December 24-Month Study Date: December 12, 2018 From: To: Water Resources Group, Salt Lake City All Colorado River Annual Operating Plan (AOP) Recipients Current Reservoir Status Reservoir Fontenelle Flaming Gorge Blue Mesa Navajo Powell November Inflow (unregulated) (acre-feet) 38,400 39,800 21,500 15,300 254,400 Percent of Average (%) December 11, Midnight Elevation (feet) December 11, Midnight Reservoir Storage (acre-feet) 91 78 69 46 54 6,486.43 6,028.53 7,437.70 6,017.11 3,584.90 204,000 3,293,000 248,000 885,000 10,365,000 _______________________________________________________________________ Expected Operations The operation of Lake Powell and Lake Mead in this December 2018 24-Month Study is pursuant to the December 2007 Record of Decision on Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations of Lake Powell and Lake Mead (Interim Guidelines) and reflects the 2018 Annual Operating Plan (AOP) and draft 2019 AOP. Pursuant to the Interim Guidelines, the August 2018 24-Month Study projections of the January 1, 2019, system storage and reservoir water surface elevations set the operational tier for the coordinated operation of Lake Powell and Lake Mead during 2019. Consistent with Section 6.B of the Interim Guidelines, the Lake Powell operational tier for water year 2019 will be governed by the Upper Elevation Balancing Tier, with an initial water year release volume of 8.23 million acre-feet (maf) and the potential for an April adjustment to equalization or balancing releases in April 2019. This December 2018 24-Month Study indicates that, consistent with Section 6.B.4 of the Interim Guidelines, an April adjustment to balancing releases is projected to occur and the contents of Lake Powell and Lake Mead will be balanced by the end of the water year, but not more than 9.0 maf and not less than 8.23 maf shall be released from Lake Powell. Based on the most probable inflow forecast, this December 24-Month Study projects a balancing release of 8.66 maf in water year 2019. Consistent with Section 2.B.5 of the Interim Guidelines, the Intentionally Created Surplus (ICS) Surplus Condition is the criterion governing the operation of Lake Mead for calendar years 2018 and 2019. The 2019 operational tier determinations will be documented in the 2019 AOP, which is currently in development. The Interim Guidelines are available for download at: https://www.usbr.gov/lc/region/programs/strategies/RecordofDecision.pdf. The 2018 AOP is available for download at: https://www.usbr.gov/lc/region/g4000/aop/AOP18.pdf The draft 2019 AOP is available for download at: https://www.usbr.gov/lc/region/g4000/AOP2019/AOP19_draft.pdf Fontenelle Reservoir – Fontenelle Reservoir is currently at elevation 6486.8 feet above sea level (feet), which amounts to 60 percent of live storage capacity. Inflows for the month of November totaled 38,500 acre-feet (af), or 91 percent of average. Average inflows are occurring and releases are being adjusted to maintain capacity in the reservoir. Releases are currently set at 1,000 cubic feet per second (cfs) (12/10/2018). The Colorado Basin River Forecast Center has forecasted inflows that are at or above average. December, January, and February forecasted inflow volumes amount to 31,000 af (97 percent of average), 30,000 af (99 percent of average), and 28,000 af (101 percent of average), respectively. The next Fontenelle Working Group meeting is scheduled for 10:00 a.m., April 24, 2019. The meeting will be held at the Seedskadee National Wildlife Refuge. The Fontenelle Working Group is an open public forum for information exchange between Reclamation and other parties associated with the operation of Fontenelle Reservoir. Flaming Gorge Reservoir – Releases are currently set at 2,000 cfs with fluctuations for hydropower. Average daily releases will likely remain at 2,000 cfs through the end of February. Inflow into Flaming Gorge Reservoir during the month of November was 61,300 af, or 95 percent of average. The current reservoir elevation is 6028.7 feet (88 percent of live capacity) and decreasing. The December final forecast for inflows for the next three months projects near average conditions: December, January, and February forecasted inflow volumes at 61,500 af (105 percent of average), 67,500 af (104 percent of average), and 66,500 af (100 percent of average), respectively. The Flaming Gorge Working Group is an open public forum for information exchange between Reclamation and the stakeholders of Flaming Gorge Dam. The public is encouraged to attend and comment on the operations and plans presented by Reclamation at these meetings. Meeting notes from past Working Group meetings are posted on the Working Group webpage. For more information on this group and these meetings please contact Dale Hamilton at 801-379-1186 or Jed Parker at 801-524-3816. Reclamation will be holding the Flaming Gorge Working Group meeting on Thursday, March 14, 2019 at 10:00 a.m. at the Uintah Conference Center, 313 E 200 S, Vernal, Utah. Aspinall Unit Reservoirs – As of December 11, 2018 releases from Crystal Dam are approximately 340 cfs. Uncompahgre Valley Water Users Association has stopped diversions through the Gunnison Tunnel except for periodic diversions to fill Fairview Reservoir. Flows through the Black Canyon are approximately 320 cfs. There is currently about a 20 cfs loss to the Gunnison River between Crystal Dam and the Gunnison Tunnel Diversion. As of December 11, 2018, Blue Mesa Reservoir elevation is 7437.70 feet which corresponds to storage content of 248,220 af (30 percent of capacity). The November unregulated inflow to Blue Mesa Reservoir was 21,500 af (69 percent of average). Unregulated Inflows to Blue Mesa for the next three months (December, January and February) are projected to be: 18,000 af (69 percent of average), 15,000 af (62 percent of average) and 14,000 af (63 percent of average), respectively. For water year 2019, the unregulated inflow volume is forecasted to be 684,400 af (71 percent of average) with 490,000 af (72 percent of average) of unregulated inflow occurring during the April through July period. The December 24-Month Study is reflective of this new forecast. Conditions are clearly very dry. Blue Mesa Reservoir did not fill in water year 2018 and will most likely not fill in water year 2019 either. Current projections indicate Blue Mesa storage will remain near the current level till March of 2019 before rebounding during the spring runoff. Current projections show Blue Mesa will reach a low elevation for water year 2019 of about 7,436.5 feet near the end of February 2019 and a peak elevation for water year 2019 of about 7472 feet in late July 2019. The projected end of water year 2019 elevation of Blue Mesa is 7464.3 feet which corresponds to a live storage content of 398,300 acre-feet (48 percent of full capacity). The Aspinall Unit Working Group is an open public forum for information exchange between Reclamation and the stakeholders of the Aspinall Unit. The public is encouraged to attend and comments on the operations and plans presented by Reclamation at these meetings. Meeting notes from past working Group meetings are posted on the Working Group webpage. For more information on this group and these meetings please contact Erik Knight in the Grand Junction Area Office at (970) 248-0629. Meeting notes from past working Group meetings are posted on the Working Group webpage at: https://www.usbr.gov/uc/wcao/water/rsvrs/mtgs/amcurrnt.html The next meeting of the Aspinall Unit Working Group will be held on Thursday, January 17, 2019 at 1:00 pm at the Holiday Inn Express located in Montrose, Colorado. Navajo Reservoir – The current (December 10th) daily average release rate from Navajo Dam is 289 cfs and the observed inflow to Navajo Reservoir is 205 cfs. The Navajo Indian Irrigation Project (NIIP) has shut down for the season. The NIIP diversion total for the year was 222,800 af. The reservoir elevation is 6017.17 feet which corresponds to a live storage of 0.886 maf (52 percent of live storage capacity). This elevation also corresponds to an active storage of 0.224 maf (22 percent of active storage capacity). The river flow measured at the San Juan River at Four Corners USGS gage is 565 cfs. River flow at the Animas River at Farmington USGS gage is at 225 cfs. Releases from Navajo Dam are made for the authorized purposes of the Navajo Unit, and pursuant to the 2006 Record of Decision, to attempt to maintain a target base flow through the endangered fish critical habitat reach of the San Juan River (Farmington to Lake Powell). The San Juan River Basin Recovery Implementation Program (SJRIP) recommends a target base flow of between 500 cfs and 1,000 cfs through the critical habitat area. The target base flow is calculated as the weekly average of gaged flows throughout the critical habitat area. Preliminary modified-unregulated inflow into Navajo (inflow adjusted for upstream change in storage, reservoir evaporation and exportation from the basin) in November was 15,278 af (46 percent of average). Forecast modified-unregulated inflow to Navajo over the next three months (December, January, and February are projected to be: 13,000 af (52 percent of average), 13,000 af (59 percent of average), and 16,000 af (53 percent of average), respectively. Releases for the winter will be made to maintain the minimum target baseflow in the critical habitat reach and will decrease as irrigation in the basin decreases. When conditions allow, the release will be reduced to as low as the minimum release of 250 cfs, so long as the target baseflow downstream is still met. Reclamation conducts Public Operations Meetings three times per year to gather input for determining upcoming operations for Navajo Reservoir. Input from individuals, organizations, and agencies along with other factors such as weather, water rights, endangered species requirements, flood control, hydro power, recreation, fish and wildlife management, and reservoir levels, will be considered in the development of these reservoir operation plans. In addition, the meetings are used to coordinate activities and exchange information among agencies, water users, and other interested parties concerning the San Juan River and Navajo Reservoir. The next Navajo Public Operations Coordination Meeting is scheduled for Tuesday, January 29th, 2019, at 1:00 p.m. at the Farmington Civic Center, Farmington, NM. Glen Canyon Dam / Lake Powell Current Status The unregulated inflow in November was 253 thousand acre-feet (kaf) (54 percent of average). November precipitation in the Upper Colorado Basin was 100 percent of average, but the extremely dry soil conditions decreased the amount of observed runoff. The release volume from Glen Canyon Dam in November was 661 kaf. The end of November elevation and storage of Lake Powell were 3,586.50 feet (113.5 feet from full pool) 10.50 maf (43 percent of full capacity). Current Operations The operating tier for water year 2019 was established in August 2018 as the Upper Elevation Balancing Tier. As described in the Interim Guidelines, under balancing, the contents of Lake Powell and Lake Mead are to be balanced by the end of the water year, but not more than 9.0 maf and not less than 8.23 maf is to be released from Lake Powell. Under this Tier the initial annual water year release volume is 8.23 maf but there is potential for an April 2019 adjustment to equalization or balancing releases. Based on the current forecast, an April adjustment to balancing releases is projected and Lake Powell is currently projected to release 8.66 maf in water year 2019. This projection will be updated each month throughout the water year. In December, the release volume will be approximately 740 kaf, with fluctuations anticipated between about 8,415 cfs in the nighttime to about 15,165 cfs in the daytime and consistent with the Glen Canyon Dam, Record of Decision on LTEMP (dated December, 2016). The anticipated release volume for January is 860 kaf. In addition to daily scheduled fluctuations for power generation, the instantaneous releases from Glen Canyon Dam may also fluctuate to provide 40 megawatts (mw) of system regulation. These instantaneous release adjustments stabilize the electrical generation and transmission system and translate to a range of about 1,200 cfs above or below the hourly scheduled release rate. Under normal conditions, fluctuations for regulation are typically short lived and generally balance out over the hour with minimal or no noticeable impacts on downstream river flow conditions. Releases from Glen Canyon Dam can also fluctuate beyond scheduled releases when called upon to respond to power system emergencies. Depending on the severity of the system emergency, the response from Glen Canyon Dam can be significant and within the full range of the operating capacity of the power plant for as long as is necessary to maintain balance in the transmission system. Glen Canyon Dam currently maintains 28 mw (approximately 830 cfs) of generation capacity in reserve in order to respond to a system emergency even when generation rates are already high. System emergencies occur fairly infrequently and typically require small responses from Glen Canyon Dam. However, these responses can have a noticeable impact on the river downstream of Glen Canyon Dam. Inflow Forecasts and Model Projections The forecast for water year 2019 unregulated inflow to Lake Powell, issued on December 1, 2018, by the Colorado Basin River Forecast Center, projects that the most probable (median) unregulated inflow volume next year will be 7.1 maf (66 percent of average). There is significant uncertainty regarding next season’s snow pack development and resulting runoff into Lake Powell. The forecast ranges from a minimum probable of 4.6 maf (42 percent of average) to a maximum probable of 15.4 maf (142 percent of average). There is a 10 percent chance that inflows could be higher than the current maximum probable forecast and a 10 percent chance that inflows could be lower than the minimum probable forecast. Based on the current forecast, the December 24-Month Study projects Lake Powell elevation will end water year 2019 near 3,571.23 feet with approximately 9.21 maf in storage (38 percent of capacity). Note that projections of elevation and storage for water year 2019 have significant uncertainty at this point in the season. Projections of end of water year 2019 elevation and storage using the minimum and maximum probable inflow forecast from October 2018 are 3,556 feet (8.027 maf, 33 percent of capacity) and 3,636 feet (15.54 maf, 64 percent of capacity), respectively. Under these scenarios, there is a 10 percent chance that inflows will be higher, resulting in higher elevation and storage, and 10 percent chance that inflows will be lower, resulting in lower elevation and storage. The annual release volume from Lake Powell during water year 2019 is projected to be 8.66 maf under the December most probable scenario, and 9.0 maf under the October maximum probable inflow scenarios and 8.23 maf under the October minimum probable inflow scenario. Upper Colorado River Basin Hydrology Upper Colorado River Basin regularly experiences significant year to year hydrologic variability. During the 19-year period 2000 to 2018, however, the unregulated inflow to Lake Powell, which is a good measure of hydrologic conditions in the Colorado River Basin, was above average in only 4 out of the past 19 years. The period 2000-2018 is the lowest 19-year period since the closure of Glen Canyon Dam in 1963, with an average unregulated inflow of 8.54 maf, or 79 percent of the 30-year average (1981-2010). (For comparison, the 1981-2010 total water year average is 10.83 maf.) The unregulated inflow during the 2000-2018 period has ranged from a low of 2.64 maf (24 percent of average) in water year 2002 to a high of 15.97 maf (147 percent of average) in water year 2011. In water year 2018 unregulated inflow volume to Lake Powell was 4.6 maf (43 percent of average), the third driest year on record above 2002 and 1977. Under the current most probable forecast, the total water year 2019 unregulated inflow to Lake Powell is projected to be 7.6 maf (70 percent of average). At the beginning of water year 2019, total system storage in the Colorado River Basin was 28.01 maf (47 percent of 59.6 maf total system capacity). This is a decrease of 4.91 maf over the total storage at the beginning of water year 2018 when total system storage was 32.92 maf (55 percent of capacity). Since the beginning of water year 2000, total Colorado Basin storage has experienced year to year increases and decreases in response to wet and dry hydrology, ranging from a high of 94 percent of capacity at the beginning of 2000 to the now current level of 47 percent of capacity at the beginning of water year 2019. Based on current inflow forecasts, the current projected end of water year total Colorado Basin reservoir storage for water year 2019 is approximately 25.14 maf (42 percent of total system capacity). The actual end of water year 2019 system storage may vary from this projection, primarily due to uncertainty regarding this season’s runoff and reservoir inflow. TO ALL ANNUAL OPERATING PLAN RECIPIENTS MAILED FROM UPPER COLORADO REGION WATER RESOURCES GROUP ATTENTION UC-430 125 SOUTH STATE STREET, ROOM 8100 SALT LAKE CITY, UT 84138-5571 PHONE 801-524-3709 Obs nov aug sep oct nov %Avg 11.2 0.92 351 253 53%: 50 30 42 38 90%: 42 17.3 54 40 78%: 18.6 11.6 23 22 71%: 19.0 13.8 24 23 69%: 21 15.2 27 26 68%: 3.2 2.9 4.6 3.3 65%: 5.4 3.3 8.5 5.2 59%: -6.92 2.5 23 15.3 46%: 0.73 0.48 1.85 1.02 61%: 7.8 3.1 4.7 2.0 33%: 2.8 2.6 3.3 3.7 66%: 3.9 1.79 18.3 18.5 55%: Forecast dec jan 240/ 235/ 31/ 30/ 31/ 36/ 18/ 15/ 19/ 16/ 21/ 18/ 3/ 3/ 3.5/ 3/ 13/ 13/ 0.5/ 0.5/ 1.5/ 2/ 3/ 2.5/ 16/ 16/ feb 260/ 28/ 39/ 14/ 15/ 17/ 2.5/ 2.5/ 16 0.5/ 2/ 2/ 18/: ******************************************************************************** RUNOFF AND INFLOW PROJECTIONS INTO UPPER BASIN RESERVOIRS ARE PROVIDED BY THE COLORADO RIVER FORECASTING SERVICE THROUGH THE NATIONAL WEATHER SERVICES'S COLORADO BASIN RIVER FORECAST CENTER AND ARE AS FOLLOWS : : GLDA3:Lake Powell GBRW4:Fontenelle GRNU1:Flaming Gorge BMDC2:Blue Mesa MPSC2:Morrow Point CLSC2:Crystal TPIC2:Taylor Park VCRC2:Vallecito NVRN5:Navajo LEMC2:Lemon MPHC2:McPhee RBSC2:Ridgway YDLC2:Deerlodge O T S I H * Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 1397 30 50 138 404 354 101 58 38 42 46 Regulated Inflow (1000 Ac-Ft) 1 1 15 2 2 3 2 2 1 0 0 1 1 Evap Losses (1000 Ac-Ft) 60 45 856 7 75 92 101 100 83 16 72 79 72 Power Release (1000 Ac-Ft) 0 20 528 58 1 8 269 123 4 56 0 1 8 Bypass Release (1000 Ac-Ft) 60 65 1382 65 76 100 370 223 87 71 72 80 80 Total Release (1000 Ac-Ft) 6488.29 6491.62 6495.11 6500.10 6503.79 6499.18 6494.84 6472.76 6469.78 6472.86 6479.83 6486.39 216 238 262 299 327 292 260 130 117 131 165 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 125 70 45 28 30 31 2 1 1 0 0 1 1 102 102 73 61 58 56 61 61 8 20 0 0 0 0 0 0 110 122 73 61 58 56 61 61 6503.98 6498.42 6480.80 6470.26 6468.31 6471.58 6477.52 6483.36 298 325 330 287 171 120 112 126 154 186 Model Run ID: 3081 OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* R Aug 2018 42 Fontenelle Reservoir I WY 2018 Sep 2018 38 May 2019 240 3 6503.35 204 C Oct 2018 Live Storage (1000 Ac-Ft) A Nov 2018 Jun 2019 155 6499.94 Reservoir Elev End of Month (Ft) * L Jul 2019 68 273 65 246 0 6496.52 208 68 69 6492.69 169 2 0 67 6486.96 131 65 69 0 69 6480.37 113 Aug 2019 1 67 0 69 6472.79 120 861 45 1 69 0 65 6468.49 166 77 Oct 2019 41 1 69 0 71 6470.27 291 29 Nov 2019 32 1 65 0 77 6479.87 324 36 Dec 2019 30 0 71 0 117 6498.88 300 784 Jan 2020 28 0 77 19 173 6503.26 2 Feb 2020 53 1 98 71 141 249 15 Mar 2020 85 1 102 39 6500.13 41 Apr 2020 164 2 102 6493.07 910 May 2020 299 3 98 WY 2019 Jun 2020 178 95 Sep 2019 Jul 2020 0 198 98 144 2 6485.34 77 6475.57 Aug 2020 98 1112 95 75 0 203 0 21 98 909 95 2 1 15 1 46 49 1077 42 WY 2020 Oct 2020 Sep 2020 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS Most Probable Inflow* December 2018 24-Month Study R O T S I H * Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 54 1594 17 42 140 435 422 121 86 57 52 52 Unreg Inflow (1000 Ac-Ft) 61 77 1580 52 68 102 401 290 108 99 91 90 86 Reg Inflow (1000 Ac-Ft) 4 7 82 11 13 14 11 8 5 3 2 2 2 Evap Losses (1000 Ac-Ft) 93 99 1608 119 124 120 125 163 101 106 155 175 174 Power Release (1000 Ac-Ft) 0 0 7 0 0 0 0 6 0 0 1 0 0 Bypass Release (1000 Ac-Ft) 93 99 1616 119 124 120 125 169 101 106 157 175 174 Total Release (1000 Ac-Ft) 133 135 136 139 142 143 133 128 128 129 131 135 Bank Storage (1000 Ac-Ft) 6029.15 6030.03 6030.75 6032.67 6034.33 6035.09 6028.57 6025.69 6025.65 6025.91 6027.65 6029.85 3316 3350 3378 3453 3519 3550 3294 3186 3184 3194 3259 3343 121 131 132 142 141 278 572 277 178 197 208 Flaming Gorge Reservoir I WY 2018 Sep 2018 40 Aug 2020 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 WY 2019 Sep 2019 Aug 2019 Jul 2019 Jun 2019 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 1447 55 89 210 390 245 134 102 45 40 35 49 54 1118 48 73 175 270 160 105 88 39 36 31 104 109 1482 104 111 174 263 198 125 120 82 79 72 75 78 1069 72 76 130 152 108 96 101 67 67 61 3 7 80 11 13 14 11 8 5 3 2 2 2 3 7 80 11 13 13 10 8 5 3 2 2 2 119 123 1279 119 123 123 207 92 77 80 104 111 111 65 68 1159 101 105 85 137 61 60 61 111 123 123 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 119 123 1279 119 123 123 207 92 77 80 104 111 111 65 68 1159 101 105 85 137 61 60 61 111 123 123 133 133 134 135 136 135 133 129 127 126 127 128 130 130 129 131 133 131 131 130 128 127 129 131 6028.60 6029.06 6029.60 6030.24 6030.87 6029.94 6028.79 6026.29 6025.17 6024.19 6024.82 6025.68 6026.72 6026.56 6026.48 6027.49 6028.54 6027.76 6027.64 6026.66 6025.83 6024.88 6026.09 6027.55 3295 3313 3333 3358 3383 3347 3303 3208 3167 3130 3154 3185 3224 3218 3215 3253 3293 3263 3259 3222 3191 3156 3201 3256 138 148 223 627 624 293 157 131 136 136 94 115 123 153 562 501 210 116 129 139 139 2638 197 C Oct 2018 Jensen Flow (1000 Ac-Ft) A Nov 2018 Sep 2020 59 Reservoir Elev Live End of Month Storage (Ft) (1000 Ac-Ft) * L WY 2020 51 151 155 2801 94 2440 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM R O T S I H * Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 5 88 3 3 5 13 24 8 5 4 4 Regulated Inflow Date (1000 Ac-Ft) Dec 2017 4 3 3 108 8 13 14 15 12 7 6 6 6 9302.61 9302.60 9301.71 9305.51 9311.71 9317.29 9318.33 9311.18 9310.51 9311.50 9312.64 59 59 58 63 73 82 84 72 71 72 74 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 21 4 3 3 3 3 15 10 3 3 3 3 3 9322.56 9309.86 9302.54 9301.83 9302.26 9302.47 9302.54 81 89 92 70 59 58 58 59 59 December 2018 24-Month Study Most Probable Inflow* Taylor Park Reservoir Model Run ID: 3081 OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS I WY 2018 Sep 2018 3 May 2019 37 9320.95 76 C Oct 2018 Live Storage (1000 Ac-Ft) A Nov 2018 Total Reservoir Elev Release End of Month (1000 Ac-Ft) (Ft) 6 9313.84 * L Jun 2019 18 74 15 73 Jul 2019 9312.24 73 74 6 9312.08 72 9316.48 6 5 9311.76 71 9312.34 Oct 2019 5 5 9311.24 67 15 Nov 2019 5 5 9310.55 68 7 Dec 2019 4 5 9308.29 66 Aug 2019 Jan 2020 4 8 9308.78 78 93 Feb 2020 4 8 9307.67 88 13 Mar 2020 9 30 9314.91 90 6 Apr 2020 28 30 9320.64 109 May 2020 42 10 90 WY 2019 Jun 2020 20 9321.89 Sep 2019 Jul 2020 9321.55 90 8 91 8 9321.90 10 9321.96 Aug 2020 6 128 5 7 7 144 5 WY 2020 Oct 2020 Sep 2020 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS Most Probable Inflow* December 2018 24-Month Study I H * Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 48 28 23 20 25 UnReg Inflow (1000 Ac-Ft) 100 47 29 25 22 27 Regulated Inflow (1000 Ac-Ft) 1 1 1 0 0 0 0 101 98 85 82 43 32 60 93 0 0 0 0 0 0 0 0 101 98 85 82 43 32 60 93 7464.43 7475.06 7480.90 7478.94 7483.73 7485.54 7486.51 7491.44 334 399 471 513 498 534 547 554 593 Blue Mesa Reservoir S Apr 2018 112 57 1 282 Model Run ID: 3081 Reservoir Elev Live End of Month Storage (Ft) (1000 Ac-Ft) T May 2018 56 31 7453.77 Total Release (1000 Ac-Ft) O Jun 2018 21 7444.44 Bypass Release (1000 Ac-Ft) R Jul 2018 93 Evap Power Losses Release (1000 Ac-Ft) (1000 Ac-Ft) I 68 249 0 245 93 7437.79 243 1 7437.07 251 28 19 7436.60 256 19 18 7438.19 285 Aug 2018 0 16 7439.37 440 C 0 18 7444.94 449 895 19 0 43 7470.57 427 39 18 0 105 7471.95 399 39 0 16 0 37 7468.66 30 0 18 0 72 7464.34 391 856 18 0 43 0 74 408 7 15 0 105 0 67 7463.12 420 1 18 14 0 37 0 546 7465.77 432 17 15 26 1 72 0 42 7467.68 443 453 14 49 1 74 11 13 7469.43 468 12 25 134 1 67 0 14 7471.02 509 433 Dec 2018 50 193 1 536 0 13 7474.63 535 WY 2018 Jan 2019 145 83 1 42 0 13 7480.34 759 Sep 2018 Feb 2019 215 53 6 13 0 14 7483.91 774 A Mar 2019 80 40 0 14 0 35 7511.50 735 248 Apr 2019 45 668 0 13 14 195 7513.23 674 250 May 2019 33 35 0 13 35 24 7508.75 7437.59 Jun 2019 684 30 0 0 189 90 7501.58 647 7438.08 Jul 2019 35 26 0 0 0 99 641 56 Aug 2019 30 25 0 6 0 98 7498.21 19 WY 2019 Sep 2019 26 23 1 24 0 650 7497.55 0 Oct 2019 24 40 1 90 0 65 11 Nov 2019 22 76 1 99 238 36 46 Dec 2019 36 223 2 98 0 19 Jan 2020 77 249 1 412 0 0 Feb 2020 221 107 1 65 0 Mar 2020 261 61 8 36 22 Apr 2020 117 39 1 21 May 2020 63 934 0 23 Jun 2020 38 38 22 Jul 2020 951 31 Oct 2018 Aug 2020 38 Nov 2018 WY 2020 Sep 2020 31 * Oct 2020 L Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS Most Probable Inflow* December 2018 24-Month Study I H * Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 121 54 29 24 22 26 Unreg Inflow (1000 Ac-Ft) 101 98 85 82 43 32 60 93 Blue Mesa Release (1000 Ac-Ft) 1 2 8 6 1 1 2 1 Side Inflow (1000 Ac-Ft) 102 99 94 87 44 33 62 94 Total Inflow (1000 Ac-Ft) 101 99 94 79 49 34 62 94 Power Release (1000 Ac-Ft) 0 0 0 0 0 0 0 0 Bypass Release (1000 Ac-Ft) 101 99 94 79 49 34 63 94 Total Release (1000 Ac-Ft) 7155.49 7154.16 7153.76 7154.30 7143.05 7149.19 7150.65 7152.45 113 112 112 112 104 108 110 Morrow Point Reservoir S Apr 2018 57 94 0 84 94 7135.77 7153.96 98 112 111 T May 2018 22 Live Storage (1000 Ac-Ft) O Jul 2018 Jun 2018 93 Reservoir Elev End of Month (Ft) I R 0 112 93 112 19 7153.73 112 Aug 2018 7153.73 112 C 13 7153.73 112 937 19 7153.73 112 0 0 17 7153.73 112 0 0 21 7153.73 112 84 13 0 50 7153.73 112 935 19 0 120 7153.73 112 70 20 17 0 52 7153.73 922 19 21 0 75 7153.73 112 2 1 17 50 0 76 112 27 1 21 120 0 69 7153.73 112 68 19 1 50 52 0 585 7153.73 112 895 18 3 120 75 0 45 7153.73 112 14 19 16 7 52 76 0 15 7153.73 112 460 16 18 15 75 69 0 16 7153.73 112 WY 2018 Dec 2018 15 43 15 76 583 0 16 7153.73 112 Sep 2018 Jan 2019 28 105 3 69 45 0 15 7153.73 112 A Feb 2019 57 37 2 598 15 0 18 7153.73 112 99 Mar 2019 160 72 2 45 16 0 46 7153.73 112 104 Apr 2019 230 74 52 15 16 0 221 7153.73 112 7136.92 May 2019 83 67 2 16 15 0 44 7153.73 7143.47 Jun 2019 47 546 2 16 18 0 96 7153.73 112 56 Jul 2019 35 42 2 15 46 0 103 112 15 Aug 2019 737 13 2 18 221 0 101 7153.73 0 Sep 2019 37 14 3 46 44 0 735 7153.73 0 WY 2019 32 13 4 221 96 0 67 56 Oct 2019 28 13 11 44 103 0 38 13 Nov 2019 27 14 26 96 101 0 57 Dec 2019 25 35 20 103 735 0 20 Jan 2020 40 195 6 101 67 1 Feb 2020 88 24 3 735 38 1 Mar 2020 247 90 3 67 56 Apr 2020 281 99 84 38 19 May 2020 123 98 3 24 Jun 2020 67 650 2 23 Jul 2020 41 65 Oct 2018 Aug 2020 1035 36 Nov 2018 Sep 2020 41 * WY 2020 33 L Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* I R O T S I H * Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 505 15 21 24 61 129 60 33 27 25 29 Unreg Inflow (1000 Ac-Ft) 937 84 94 101 99 94 79 49 34 63 94 Morrow Release (1000 Ac-Ft) 45 1 2 2 3 9 6 4 3 3 3 Side Inflow (1000 Ac-Ft) 982 85 96 103 102 102 84 52 37 66 97 Total Inflow (1000 Ac-Ft) 959 87 98 103 102 102 84 53 16 62 97 Power Release (1000 Ac-Ft) 26 0 0 0 0 0 0 0 20 4 0 Bypass Release (1000 Ac-Ft) 985 87 98 103 102 102 84 53 36 66 97 Total Release (1000 Ac-Ft) 6737.22 6744.83 6750.59 6750.48 6749.41 6749.35 6747.97 6750.06 6747.99 6749.23 13 15 16 16 16 16 16 16 16 16 1 33 438 59 65 64 63 62 53 13 0 1 1 Tunnel Flow (1000 Ac-Ft) 19 24 553 33 36 41 42 39 28 38 34 65 98 Below Tunnel Flow (1000 Ac-Ft) Crystal Reservoir C WY 2018 Sep 2018 17 Reservoir Elev Live End of Month Storage (Ft) (1000 Ac-Ft) A 14 12 6751.87 21 6743.11 0 19 55 17 0 20 21 6753.04 17 0 16 0 12 6753.04 17 5 78 0 0 21 6753.04 17 42 16 55 12 0 19 6753.04 17 62 17 21 15 21 0 25 6753.04 17 61 17 59 2 21 19 0 58 6753.04 17 65 18 19 13 2 19 25 0 140 6753.04 17 65 3 21 19 2 25 58 6 77 6753.04 17 4 Dec 2018 18 17 4 58 134 0 82 6753.04 56 Jan 2019 17 21 8 140 77 0 82 15 Feb 2019 32 50 20 77 82 0 27 Mar 2019 65 120 25 82 82 26 Apr 2019 180 52 7 82 279 Oct 2018 May 2019 255 75 6 55 Nov 2018 Jun 2019 90 76 389 * Jul 2019 53 17 L Aug 2019 6753.04 19 73 19 667 30 20 6 17 0 20 0 6753.04 17 0 19 73 49 6753.04 17 0 20 660 0 19 6753.04 17 0 73 49 0 20 6753.04 17 671 49 19 0 20 6753.04 16 4 5 19 20 0 19 5 86 45 4 20 20 19 42 69 42 15 5 20 0 17 585 Oct 2019 36 16 5 19 17 39 Nov 2019 32 16 4 6753.04 823 Dec 2019 31 15 6753.04 WY 2019 Jan 2020 29 25 Sep 2019 Feb 2020 58 17 194 0 62 46 0 17 61 46 25 6753.04 17 65 52 58 256 6753.04 17 65 25 121 78 6753.04 17 58 134 0 111 6753.04 6 256 78 0 111 12 34 78 111 0 18 221 34 111 111 46 281 44 14 111 46 May 2020 315 96 8 101 Jun 2020 138 103 Apr 2020 Jul 2020 75 Mar 2020 Aug 2020 488 43 55 43 385 0 30 17 17 6753.04 17 873 6753.04 107 6753.04 0 73 140 43 732 0 107 0 873 73 107 43 6 73 138 43 735 6 101 5 47 67 1173 38 WY 2020 47 Sep 2020 38 Processed On: 12/13/2018 9:33:27AM Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast R O T S I H * Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 9 102 3 5 8 14 30 15 4 3 3 Regulated Inflow Date (1000 Ac-Ft) Dec 2017 3 0 3 153 4 19 35 35 31 3 0 0 0 7621.25 7617.56 7613.06 7613.87 7624.15 7639.22 7648.91 7649.29 7644.11 7642.57 7641.42 31 26 21 22 35 63 84 85 73 70 67 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 48 42 12 4 3 3 4 40 41 30 0 0 0 0 0 7633.79 7643.32 7640.52 7634.71 7628.48 7626.39 7625.07 7623.39 30 52 71 65 54 42 39 37 34 December 2018 24-Month Study Most Probable Inflow* Vallecito Reservoir Model Run ID: 3081 OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS I WY 2018 Sep 2018 5 Jun 2019 21 65 C Oct 2018 Live Storage (1000 Ac-Ft) A Nov 2018 Total Reservoir Elev Release End of Month (1000 Ac-Ft) (Ft) 1 7640.27 * L Jul 2019 9 12 14 7620.30 7599.97 19 7604.25 7606.78 22 37 16 7611.40 25 29 12 2 7614.59 32 15 Oct 2019 8 2 7617.07 53 Aug 2019 Nov 2019 6 2 7622.07 93 183 Dec 2019 5 2 7634.61 120 12 Jan 2020 5 2 7652.53 177 Feb 2020 9 2 7663.07 WY 2019 Mar 2020 23 31 Sep 2019 Apr 2020 43 89 107 71 7658.11 70 41 7650.77 Jun 2020 29 7645.63 May 2020 Jul 2020 38 77 29 76 20 82 Aug 2020 7645.18 209 7647.86 17 2 16 277 9 16 WY 2020 Oct 2020 Sep 2020 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* S I H * May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date -7 -9 6 88 70 24 13 12 11 Mod Unreg Inflow (1000 Ac-Ft) 36 0 0 0 3 16 13 2 0 0 0 Azetea Tunnel Div (1000 Ac-Ft) 10 17 283 3 7 18 24 71 46 19 11 9 1 1 24 2 3 4 4 3 2 2 1 1 0 7 224 27 42 42 42 36 20 6 1 0 0 18 31 405 46 51 51 42 32 38 21 17 23 25 6017.43 6018.35 6020.80 6028.27 6036.94 6044.23 6049.80 6049.73 6050.92 6051.73 6052.47 6053.69 888 897 919 991 1080 1159 1223 1222 1236 1246 1255 1270 34 40 42 48 53 49 69 42 30 33 40 Navajo Reservoir T Jun 2018 2 1 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 34 150 144 77 41 16 13 13 1 1 18 17 7 1 0 0 0 0 550 46 53 36 127 125 64 37 14 10 10 20 2 3 3 3 3 2 1 1 0 0 251 26 48 57 52 36 21 5 0 0 0 259 24 28 27 21 21 16 16 16 21 20 6022.80 6023.44 6026.09 6031.26 6026.15 6019.24 6016.45 6014.78 6015.12 6016.31 938 944 970 1021 970 905 879 864 867 878 44 52 71 126 109 44 27 22 28 27 540 40 O Jul 2018 268 0 Farmington Flow (1000 Ac-Ft) R Aug 2018 23 Jun 2019 32 45 Reservoir Elev Live End of Month Storage (Ft) (1000 Ac-Ft) I WY 2018 Sep 2018 15 Jul 2019 30 Total Release (1000 Ac-Ft) C Oct 2018 NIIP Diversion (1000 Ac-Ft) A Nov 2018 Reg Evap Inflow Losses (1000 Ac-Ft) (1000 Ac-Ft) 9 1 * L Aug 2019 588 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 43 45 66 224 277 170 92 30 22 25 30 37 104 2 5 29 37 21 9 0 0 0 0 1 1 891 53 58 50 159 216 140 85 27 18 20 24 40 25 3 3 4 4 3 2 1 1 0 0 1 1 257 26 48 57 53 36 22 6 0 0 0 0 10 255 21 22 22 21 22 21 22 20 22 22 21 22 6055.64 6055.34 6056.60 6059.24 6052.62 6038.94 6029.70 6023.90 6023.24 6023.63 6023.79 6023.54 1293 1290 1305 1338 1257 1101 1006 949 942 946 948 945 53 61 89 172 168 73 44 33 35 37 37 42 624 WY 2019 Sep 2019 Aug 2020 1062 34 47 2 2 25 46 1 2 0 0 21 22 6057.75 6057.47 1319 1316 39 50 844 WY 2020 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* O T S I H * Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 4612 1 11 123 883 1214 382 332 269 262 299 Unreg Inflow (1000 Ac-Ft) 307 477 5459 230 260 252 635 968 419 395 387 442 483 Regulated Inflow (1000 Ac-Ft) 29 30 386 45 50 53 45 29 25 16 10 9 29 Evap Losses (1000 Ac-Ft) 585 625 9000 670 900 860 760 705 705 800 730 860 740 PowerPlant Release (1000 Ac-Ft) 77 0 0 0 0 0 0 0 0 0 0 0 0 Bypass Release (1000 Ac-Ft) 662 625 9000 670 900 860 760 705 705 800 730 860 740 3586.50 3590.46 3592.28 3597.12 3603.80 3609.98 3611.54 3609.39 3612.23 3616.02 3619.14 3622.85 4894 4923 4936 4972 5023 5072 5085 5067 5090 5121 5147 5179 10507 10862 11028 11477 12116 12728 12886 12669 12956 13346 13672 14068 668 650 690 911 877 781 730 738 835 750 861 Lake Powell R Aug 2018 351 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 760 2000 1260 620 415 260 235 240 449 476 730 1628 1041 528 361 335 333 329 303 38 42 43 35 21 18 11 7 7 23 8581 650 860 800 700 635 635 750 740 860 740 77 0 0 0 0 0 0 0 0 0 0 8658 650 860 800 700 635 635 750 740 860 740 3571.23 3573.93 3578.64 3579.87 3569.92 3565.45 3566.91 3571.51 3576.13 3581.93 4790 4808 4840 4848 4782 4753 4762 4792 4823 4862 9207 9429 9824 9928 9101 8744 8860 9230 9611 10105 661 878 819 708 641 643 755 744 871 745 9158 733 I WY 2018 Sep 2018 254 Lees Ferry Gage (1000 Ac-Ft) C Oct 2018 Jun 2019 370 6994 EOM Storage (1000 Ac-Ft) A Nov 2018 Jul 2019 340 Total Reservoir Elev Bank Release End of Month Storage (1000 Ac-Ft) (Ft) (1000 Ac-Ft) * L Aug 2019 7105 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 408 500 1091 2666 2343 1056 665 393 361 363 447 455 9832 538 600 1018 2133 1966 838 556 432 420 423 438 471 311 44 48 48 38 21 17 10 6 6 20 25 26 7480 565 760 710 630 600 600 675 640 720 600 500 480 0 0 0 0 0 0 0 0 0 0 0 0 0 7480 565 760 710 630 600 600 675 640 720 600 500 480 3593.02 3593.74 3595.82 3593.23 3577.88 3562.49 3559.82 3561.39 3563.95 3567.55 3569.82 3570.83 4941 4947 4962 4943 4834 4735 4718 4728 4744 4767 4781 4788 11096 11163 11356 11115 9759 8514 8310 8429 8627 8910 9093 9174 576 778 729 638 606 608 680 644 731 605 500 486 8783 WY 2019 Sep 2019 Aug 2020 10747 473 512 535 579 29 31 640 640 0 0 640 640 3590.74 3592.10 4925 4935 10887 11012 640 646 7580 WY 2020 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* Dec 2017 Date 860 740 Glen Release (1000 Ac-Ft) 60 78 43 28 30 37 687 449 594 12.4 7.3 9.7 Total Release (1000 CFS) 10 10 12 SNWP Use (1000 Ac-Ft) 693 448 593 696 692 664 1088.21 1087.50 1082.52 Reservoir Elev End of Month (Ft) 10694 10703 10642 10221 EOM Storage (1000 Ac-Ft) Hoover Dam - Lake Mead * Jan 2018 730 Downstream Bank Requirements Storage (1000 Ac-Ft) (1000 Ac-Ft) H Feb 2018 10387 Side Inflow Evap Total Glen to Hoover Losses Release (1000 Ac-Ft) (1000 Ac-Ft) (1000 Ac-Ft) I 1088.11 9748 10011 1084.49 1080.00 9799 695 1076.81 9918 675 651 1077.43 9870 832 634 1078.88 1015 1054 637 1078.29 14 985 645 21 27 819 642 13.5 28 748 17.1 17.1 27 723 833 1055 16.6 28 9237 1015 986 13.3 24 32 44 820 12.2 241 39 53 749 12.2 70 21 65 725 43 27 70 9240 800 705 106 58 705 May 2018 760 74 541 Apr 2018 O Jun 2018 860 84 Mar 2018 R Jul 2018 900 690 T I Aug 2018 670 S C 9000 10127 WY 2018 10449 Sep 2018 1081.40 10528 A 1085.23 9889 658 1086.17 9872 679 1078.52 472 684 1078.32 554 643 10 710 642 11 634 7.7 10 689 9.0 23 472 12.8 16 554 9888 10303 10.4 36 710 1083.49 9505 11.6 30 670 1078.51 9232 641 50 28 996 643 1073.82 9174 690 78 20 1062 618 1070.40 9264 42 740 93 16.2 24 997 600 1069.67 42 860 996 17.8 33 919 596 68 Dec 2018 740 31 1062 16.2 33 843 9207 100 Jan 2019 56 38 997 15.4 36 1070.81 625 Feb 2019 750 48 43 919 13.7 1070.09 662 Mar 2019 635 31 51 843 602 Oct 2018 Apr 2019 635 12 64 598 Nov 2018 May 2019 700 81 775 * Jun 2019 800 735 L Jul 2019 33 9161 12.6 9045 775 1069.52 9047 68 595 1068.05 9186 112 528 588 1068.07 9212 860 28 624 588 1069.83 8923 Aug 2019 8.6 20 598 597 1070.15 8538 9386 528 10.5 16 607 599 1066.49 8203 26 40 624 9.7 14 663 580 1061.51 7860 276 69 40 598 9.9 17 988 555 1057.08 7756 12.3 480 61 35 607 11.5 22 997 533 1052.44 7765 735 Oct 2019 500 50 28 663 16.1 25 917 511 1051.01 9393 Nov 2019 600 78 26 988 16.8 31 929 504 56 Dec 2019 720 93 29 997 14.9 31 813 7665 530 Jan 2020 640 56 36 917 15.6 31 1051.13 834 Feb 2020 675 48 40 929 13.2 1049.75 105 Mar 2020 600 31 47 813 505 650 Apr 2020 600 12 58 498 8658 May 2020 630 81 773 WY 2019 Jun 2020 710 701 Sep 2019 Jul 2020 28 7828 12.6 7840 773 1052.01 62 1052.16 112 509 760 510 Aug 2020 473 9139 634 25 25 286 17 11.8 7.7 701 10.7 9139 473 51 634 493 37 796 37 105 69 565 61 7480 640 WY 2020 640 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* O T S I H * Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 9240 725 749 820 986 1055 1015 833 687 449 594 Hoover Release (1000 Ac-Ft) -28 -11 -103 -11 -13 -6 -21 -11 -3 -1 -4 2 -16 Side Inflow (1000 Ac-Ft) 11 15 198 18 23 26 26 22 17 13 10 10 9 610 635 8981 814 730 827 909 1001 1001 836 611 437 552 0 0 0 0 0 0 0 0 0 0 0 0 0 Spill Release (1000 Ac-Ft) 610 635 8981 814 730 827 909 1001 1001 836 611 437 552 Total Release (1000 Ac-Ft) 10.3 10.3 13.7 11.9 13.4 15.3 16.3 16.8 13.6 11.0 7.1 9.0 638.62 637.08 637.87 642.29 642.91 644.29 643.17 642.40 642.57 643.18 640.86 640.68 1581 1540 1561 1679 1696 1734 1703 1682 1687 1704 1641 Davis Dam - Lake Mohave R Aug 2018 641 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 919 997 1062 996 710 554 472 -15 -15 -12 -20 -17 -15 -19 -12 25 25 22 17 13 10 10 9 830 878 963 1027 931 685 442 449 0 0 0 0 0 0 0 0 830 878 963 1027 931 685 442 449 12.7 12.0 13.5 14.8 15.7 17.3 15.1 12.3 7.2 7.3 640.01 642.00 642.00 643.00 643.00 643.00 643.05 641.80 641.80 638.70 1618 1671 1671 1699 1699 1699 1700 1666 1666 1583 1636 I WY 2018 Sep 2018 690 EOM Storage (1000 Ac-Ft) C Oct 2018 Jun 2019 843 740 Total Reservoir Elev Release End of Month (1000 CFS) (Ft) A Nov 2018 Evap Power Losses Release (1000 Ac-Ft) (1000 Ac-Ft) * L Jul 2019 758 1434 0 1486 740 633.00 1583 23 11.3 635.00 1666 -12 693 9.2 638.71 1666 775 0 550 7.8 641.80 1700 Aug 2019 693 0 479 8.1 641.80 1699 8948 15 550 0 496 11.1 643.05 1699 0 -4 10 479 0 638 15.0 643.00 1699 0 528 -12 9 496 0 923 16.2 643.00 1671 758 Oct 2019 624 -12 10 638 0 962 14.3 643.00 1671 8948 Nov 2019 598 -19 10 923 0 882 14.9 642.00 1618 18 Dec 2019 607 -15 13 962 0 889 13.0 642.00 198 Jan 2020 663 -17 17 882 0 800 640.01 -12 Feb 2020 988 -20 22 889 0 12.0 -190 Mar 2020 997 -12 25 800 12.2 735 Apr 2020 917 -15 25 739 9393 May 2020 929 -15 724 WY 2019 Jun 2020 813 0 Sep 2019 Jul 2020 739 1434 23 1486 -12 633.00 773 635.00 Aug 2020 9.4 10.4 8775 637 0 560 0 0 724 0 8775 637 18 560 197 15 -12 10 -166 -4 701 -12 9139 473 WY 2020 634 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* R O T S I H * Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 635 8981 814 730 827 909 1001 1001 836 611 437 552 Davis Release (1000 Ac-Ft) 17 22 100 9 21 20 6 10 -8 -3 3 3 17 Side Inflow (1000 Ac-Ft) 9 12 139 15 17 17 15 13 11 9 8 6 7 Evap Losses (1000 Ac-Ft) 357 394 6479 512 611 656 712 697 735 637 429 329 335 6.0 6.4 8.6 9.9 10.7 12.0 11.3 12.4 10.4 7.7 5.3 5.5 Total Release (1000 CFS) 85 86 910 95 99 101 91 87 75 61 12 29 100 MWD Diversion (1000 Ac-Ft) 173 176 1431 164 22 72 88 178 168 139 109 90 144 CAP Diversion (1000 Ac-Ft) 447.99 448.12 448.95 447.53 448.00 448.43 448.51 447.13 447.46 448.52 445.81 446.80 580 582 598 571 580 588 590 564 570 590 539 557 97 68 94 104 133 136 124 175 195 145 125 109 Flow To Mexico (1000 Ac-Ft) 1.6 1.1 1.6 1.7 2.2 2.3 2.0 2.9 3.2 2.6 2.0 1.8 Flow To Mexico (1000 CFS) Parker Dam - Lake Havasu I WY 2018 Sep 2018 610 Jun 2019 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 740 830 878 963 1027 931 685 442 449 201 17 23 21 13 15 16 7 11 21 18 140 15 17 17 16 13 11 9 8 6 7 6438 532 598 688 720 700 739 720 441 279 270 8.9 9.7 11.2 12.1 11.4 12.4 11.7 7.9 4.5 4.4 836 68 70 70 68 70 68 16 77 85 71 1657 149 76 76 74 182 176 181 165 88 144 447.50 447.50 448.00 448.70 448.70 448.70 446.70 446.50 446.50 446.50 570 571 580 593 593 593 555 552 552 552 96 104 135 127 119 178 192 152 125 104 1.6 1.7 2.2 2.1 1.9 3.0 3.1 2.7 2.0 1.7 Reservoir Elev EOM End of Month Storage (Ft) (1000 Ac-Ft) C Oct 2018 Total Release (1000 Ac-Ft) A Nov 2018 Jul 2019 758 1504 * L Aug 2019 8948 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 724 739 800 889 882 962 923 638 496 479 550 693 200 17 23 21 13 15 16 7 11 21 18 16 23 139 15 17 17 16 13 11 9 8 6 7 9 12 6481 507 587 642 675 635 699 708 479 313 338 389 510 8.5 9.5 10.4 11.3 10.3 11.7 11.5 8.3 5.1 5.5 6.5 8.3 941 97 99 99 97 99 97 77 57 87 44 43 44 1309 112 56 62 100 137 125 125 100 106 124 120 144 447.50 447.50 448.00 448.70 448.70 448.70 446.70 446.50 446.50 446.50 447.50 447.50 570 571 580 593 593 593 555 552 552 552 571 571 86 97 107 102 100 168 191 155 134 109 99 65 1.5 1.6 1.7 1.7 1.6 2.8 3.1 2.7 2.2 1.8 1.7 1.1 1497 WY 2019 Sep 2019 Aug 2020 8775 637 16 23 9 12 396 475 6.6 7.7 54 54 112 112 447.50 447.50 571 571 112 71 1.9 1.2 1412 WY 2020 Sep 2020 560 Processed On: 12/13/2018 9:33:27AM Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* I R O T S I H * WY 2018 Sep 2018 Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 690 641 9240 725 749 820 986 1055 1015 833 687 449 594 Power Release (1000 Ac-Ft) 11.6 10.4 12.2 12.2 13.3 16.6 17.1 17.1 13.5 12.4 7.3 9.7 Power Release (1000 CFS) 1078.32 1078.52 1078.29 1078.88 1077.43 1076.81 1080.00 1084.49 1088.11 1088.21 1087.50 1082.52 9872 9889 9870 9918 9799 9748 10011 10387 10694 10703 10642 10221 -16 19 -49 119 51 -263 -376 -308 -9 61 421 131 Change In Storage (1000 Ac-Ft) 434.47 435.29 434.15 435.01 432.34 428.91 432.39 437.15 442.23 441.97 442.14 439.05 Hoover Static Head (Ft) 755.0 1406.1 1562.0 1562.0 1552.0 1552.0 1385.9 880.9 1005.9 1220.1 834.0 821.0 Hoover Gen Capacity MW 266.1 247.8 278.7 287.4 313.2 378.6 412.1 406.2 333.9 275.0 176.5 235.7 Hoover Gross Energy MKWH 49 87 100 100 100 100 88 55 62 75 51 52 Percent of Units Available 385.8 386.7 384.7 383.8 382.0 384.1 390.8 400.0 400.8 400.3 392.9 396.6 KWH/AF Hoover Dam - Lake Mead C Oct 2018 Reservoir Elev EOM End of Month Storage (Ft) (1000 Ac-Ft) A Nov 2018 Jul 2019 Jun 2019 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 735 775 843 919 997 1062 996 710 554 472 12.3 12.6 13.7 15.4 16.2 17.8 16.2 12.8 9.0 7.7 1070.09 1070.81 1069.67 1070.40 1073.82 1078.51 1083.49 1086.17 1085.23 1081.40 9207 9264 9174 9232 9505 9888 10303 10528 10449 10127 -57 90 -58 -274 -383 -414 -226 79 322 255 418.36 417.51 416.98 418.71 427.01 431.82 435.61 436.94 435.58 433.40 1528.0 1528.0 1512.0 1512.0 913.0 925.9 1010.0 1006.1 1006.1 959.9 277.5 292.7 320.7 348.1 394.5 430.7 399.5 285.8 215.8 185.1 100 100 100 100 60 60 63 63 63 61 377.7 377.8 380.4 378.8 395.5 405.6 401.2 402.5 389.5 392.3 3614.3 * L Aug 2019 9393 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 701 773 813 929 917 997 988 663 607 598 624 528 11.8 12.6 13.2 15.6 14.9 16.8 16.1 11.5 9.9 9.7 10.5 8.6 1049.75 1051.13 1051.01 1052.44 1057.08 1061.51 1066.49 1070.15 1069.83 1068.07 1068.05 1069.52 7665 7765 7756 7860 8203 8538 8923 9212 9186 9047 9045 9161 -100 9 -104 -343 -335 -385 -289 25 139 2 -116 -45 398.55 398.53 398.85 401.53 410.24 411.60 417.36 421.40 420.56 421.30 423.33 421.29 1371.5 1379.4 1378.6 1386.8 844.5 1390.9 1210.0 950.0 1056.0 1140.0 1219.0 1341.0 250.4 278.2 294.0 336.9 347.7 370.0 372.2 254.7 230.8 226.5 239.4 196.6 100 100 100 100 60 91 81 62 70 75 81 88 357.5 359.7 361.6 362.6 379.2 370.9 376.8 384.1 380.0 379.1 383.3 372.0 3664.2 WY 2019 Sep 2019 Aug 2020 9139 634 473 10.7 7.7 1052.16 1052.01 7840 7828 12 164 406.76 402.53 1108.6 1215.1 230.6 172.4 81 88 363.5 364.6 3397.4 WY 2020 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* I R O T S I H * WY 2018 Sep 2018 Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 610 635 8981 814 730 827 909 1001 1001 836 611 437 552 Power Release (1000 Ac-Ft) 10.3 10.3 13.7 11.9 13.4 15.3 16.3 16.8 13.6 11.0 7.1 9.0 Power Release (1000 CFS) 638.62 637.08 637.87 642.29 642.91 644.29 643.17 642.40 642.57 643.18 640.86 640.68 1581 1540 1561 1679 1696 1734 1703 1682 1687 1704 1641 1636 40 -21 -119 -17 -38 31 21 -5 -17 63 5 17 Change In Storage (1000 Ac-Ft) 137.20 135.95 136.59 141.02 141.79 143.00 141.89 141.14 139.99 142.18 141.78 139.44 Davis Static Head (Ft) 158.1 184.3 255.0 255.0 255.0 255.0 204.0 207.4 189.2 162.1 159.6 131.6 Davis Gen Capacity MW 78.4 77.8 101.2 92.7 105.3 115.0 126.2 125.1 105.4 76.6 55.0 69.5 Davis Gross Energy MKWH 62 72 100 100 100 100 80 81 74 64 63 52 Percent of Units Available 128.4 122.4 124.3 127.1 127.4 126.6 126.1 125.0 126.1 125.4 125.9 126.0 KWH/AF Davis Dam - Lake Mohave C Oct 2018 Reservoir Elev EOM End of Month Storage (Ft) (1000 Ac-Ft) A Nov 2018 Jul 2019 Jun 2019 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 758 740 830 878 963 1027 931 685 442 449 12.7 12.0 13.5 14.8 15.7 17.3 15.1 12.3 7.2 7.3 640.01 642.00 642.00 643.00 643.00 643.00 643.05 641.80 641.80 638.70 1618 1671 1671 1699 1699 1699 1700 1666 1666 1583 -54 0 -27 0 0 -1 34 0 83 2 133.94 134.99 135.51 136.04 136.04 136.60 136.76 136.12 135.09 134.67 255.0 255.0 255.0 255.0 255.0 234.6 207.3 207.6 189.2 153.0 94.1 92.8 104.0 110.1 120.4 127.9 116.1 85.7 55.5 55.7 100 100 100 100 100 92 81 81 74 60 124.2 125.3 125.3 125.4 125.1 124.6 124.7 125.1 125.6 124.1 1126.3 * L Aug 2019 8948 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 724 739 800 889 882 962 923 638 496 479 550 693 12.2 12.0 13.0 14.9 14.3 16.2 15.0 11.1 8.1 7.8 9.2 11.3 640.01 642.00 642.00 643.00 643.00 643.00 643.05 641.80 641.80 638.71 635.00 633.00 1618 1671 1671 1699 1699 1699 1700 1666 1666 1583 1486 1434 -54 0 -27 0 0 -1 34 0 83 97 51 -183 133.94 134.99 135.51 136.04 136.04 136.60 136.76 136.12 134.32 131.17 129.81 131.28 255.0 255.0 255.0 255.0 255.0 234.6 207.3 207.6 213.9 200.7 153.0 185.9 90.0 92.6 100.3 111.3 110.7 120.2 115.2 80.1 62.1 58.6 65.6 83.6 100 100 100 100 100 92 81 81 84 79 60 73 124.4 125.4 125.5 125.3 125.5 124.9 124.8 125.5 125.3 122.3 119.2 120.7 1118.5 WY 2019 Sep 2019 Aug 2020 8775 560 637 9.4 10.4 635.00 633.00 1486 1434 51 -183 129.81 131.28 153.0 185.9 66.7 77.1 60 73 119.1 121.0 1090.4 WY 2020 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* I R O T S I H * WY 2018 Sep 2018 Aug 2018 Jul 2018 Jun 2018 May 2018 Apr 2018 Mar 2018 Feb 2018 Jan 2018 Dec 2017 Date 350 394 6479 512 611 656 712 697 735 638 429 329 335 Power Release (1000 Ac-Ft) 6.0 6.4 8.6 9.9 10.7 12.0 11.3 12.4 10.4 7.7 5.3 5.5 Power Release (1000 CFS) 447.99 448.12 448.95 447.53 448.00 448.43 448.51 447.13 447.46 448.52 445.81 446.80 580 582 598 571 580 588 590 564 570 590 539 557 -3 -16 27 -9 -8 -1 26 -6 -20 50 -18 -20 Change In Storage (1000 Ac-Ft) 82.25 82.83 83.02 79.27 81.97 80.33 82.36 81.11 81.79 81.30 80.05 81.55 Parker Static Head (Ft) 93.0 90.0 120.0 120.0 120.0 120.0 120.0 120.0 102.6 92.1 117.1 92.9 Parker Gen Capacity MW 26.1 27.9 35.9 42.7 46.0 49.7 48.5 50.8 44.9 30.3 22.8 22.5 Parker Gross Energy MKWH 78 75 100 100 100 100 100 100 85 77 98 77 Percent of Units Available 74.4 70.9 70.1 69.9 70.2 69.9 69.6 69.1 70.4 70.6 69.2 67.0 KWH/AF Parker Dam - Lake Havasu C Oct 2018 Reservoir Elev EOM End of Month Storage (Ft) (1000 Ac-Ft) A Nov 2018 Jul 2019 Jun 2019 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 Dec 2018 532 598 688 720 700 739 720 441 279 270 8.9 9.7 11.2 12.1 11.4 12.4 11.7 7.9 4.5 4.4 447.50 447.50 448.00 448.70 448.70 448.70 446.70 446.50 446.50 446.50 570 571 580 593 593 593 555 552 552 552 0 -9 -13 0 0 38 4 0 0 -28 74.89 75.13 75.71 76.05 76.05 75.08 74.05 75.21 75.27 74.80 120.0 120.0 120.0 120.0 120.0 120.0 119.0 92.1 91.0 116.1 34.6 39.2 45.5 47.9 46.6 48.7 46.8 28.8 17.7 16.9 100 100 100 100 100 100 99 77 76 97 65.1 65.4 66.2 66.6 66.5 65.9 65.0 65.3 63.2 62.6 451.7 * L Aug 2019 6432 Jul 2020 Jun 2020 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 Dec 2019 Nov 2019 Oct 2019 507 587 642 675 635 699 708 479 313 338 389 510 8.5 9.5 10.4 11.3 10.3 11.7 11.5 8.3 5.1 5.5 6.5 8.3 447.50 447.50 448.00 448.70 448.70 448.70 446.70 446.50 446.50 446.50 447.50 447.50 570 571 580 593 593 593 555 552 552 552 571 571 0 -9 -13 0 0 38 4 0 0 -19 0 0 74.89 75.13 75.71 76.05 76.05 75.08 74.01 75.21 75.07 74.65 76.14 76.29 120.0 120.0 120.0 120.0 120.0 120.0 120.0 92.1 94.8 114.2 93.0 90.0 32.9 38.4 42.4 44.9 42.1 46.0 45.9 31.3 19.9 21.4 25.4 33.8 100 100 100 100 100 100 100 77 79 95 78 75 65.0 65.4 66.0 66.5 66.3 65.8 64.9 65.4 63.6 63.5 65.3 66.2 426.6 WY 2019 Sep 2019 Aug 2020 6481 396 475 6.6 7.7 447.50 447.50 571 571 0 0 76.19 76.29 92.0 90.0 25.9 31.4 77 75 65.4 66.0 424.4 WY 2020 Sep 2020 Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM Winter 2019 Dec 2018 Jan 2019 Feb 2019 Mar 2019 Oct 2018 Nov 2018 T Apr 2018 O May 2018 R Jun 2018 I Jul 2018 C Aug 2018 A Sep 2018 Summer 2018 1594 233 234 261 302 321 242 1678 283 325 276 278 268 248 2045 318 318 343 384 393 288 196 25 24 40 40 38 29 201 22 22 50 31 38 37 228 45 45 41 22 39 36 297 39 63 50 48 50 47 334 68 68 60 41 Flaming Gorge 1000 MWHR 0 2 7 28 31 30 68 26 12 4 4 4 4 0 107 11 27 10 20 21 19 34 5 5 4 4 11 5 133 23 23 27 27 24 8 107 27 17 9 12 Blue Mesa 1000 MWHR 184 17 80 16 35 37 36 45 16 5 6 6 5 7 160 18 43 19 27 28 25 48 4 7 6 7 19 4 193 27 33 34 36 33 29 133 33 21 12 16 Morrow Point 1000 MWHR 10 23 13 19 19 19 85 23 9 3 4 4 0 4 10 23 13 14 14 13 88 24 2 4 3 4 9 2 111 16 20 20 20 19 16 71 19 12 3 9 Crystal Reservoir 1000 MWHR 39 5 7 8 10 9 2 33 6 6 6 5 5 5 37 4 5 8 10 6 3 25 5 5 4 4 4 5 36 5 7 8 8 7 1 31 6 6 5 1 Model Run ID: 3081 OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS December 2018 24-Month Study Most Probable Inflow* Apr 2019 May 2019 Jun 2019 Jul 2019 Aug 2019 Sep 2019 178 185 221 263 232 244 28 34 76 45 45 44 8 7 Upper Basin Power Summer 2019 1323 228 13 7 Fontenelle Reservoir 1000 MWHR Oct 2019 Nov 2019 Dec 2019 Jan 2020 Feb 2020 Mar 2020 217 222 240 276 296 220 24 14 Glen Canyon 1000 MWHR Date 339 Dec 2017 394 Jan 2018 335 Feb 2018 364 Mar 2018 2013 Winter 2020 1252 20 11 Winter 2018 Apr 2020 May 2020 Jun 2020 Jul 2020 Aug 2020 Sep 2020 45 44 * H I S Summer 2020 249 247 L * Oct 2020 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast Processed On: 12/13/2018 9:33:27AM Flaming Gorge KAF Blue Mesa KAF Navajo KAF December 2018 24-Month Study Most Probable Inflow* Flood Control Criteria Beginning of Month Conditions Tot or Max Allow KAF Lake Mead KAF Total KAF 15763 17250 17505 33518 33268 653 561 581 579 818 808 2051 1948 14217 13815 17250 17505 33518 33268 5350 4580 554 472 0 0 26.9 27.1 Mead Sys FC Rel Cont KAF MAF 16268 Mead Sched Rel KAF 13815 BOM Space Required KAF 14217 Navajo KAF 808 Blue Mesa KAF 818 Flaming Gorge KAF 579 Total KAF Lake Powell KAF OPERATION PLAN FOR COLORADO RIVER SYSTEM RESERVOIRS Lake Upper Basin Lake Powell Total Mead KAF KAF KAF 581 Date 561 ****CREDITABLE SPACE**** 653 ****PREDICTED SPACE**** Jan 2019 Dec 2018 May 2019 Apr 2019 Mar 2019 Feb 2019 Jan 2019 543 664 752 791 812 740 653 390 544 573 579 587 584 581 675 726 791 817 832 829 818 14394 15221 15578 15462 15092 14711 14217 16002 17155 17694 17649 17323 16863 16268 18145 17872 17489 17074 16849 16928 17250 34147 35027 35183 34723 34172 33791 33518 90 223 321 367 393 321 234 8 185 226 233 240 238 234 9 115 218 267 288 286 275 106 522 765 866 921 845 744 14394 15221 15578 15462 15092 14711 14217 18145 17872 17489 17074 16849 16928 17250 32645 33615 33832 33403 32862 32483 32210 1500 1500 1500 1500 1500 1500 5350 843 919 997 1062 996 710 554 0 0 0 0 0 0 0 26.5 26.7 25.8 25.6 26.0 26.6 26.9 ****EFFECTIVE SPACE**** Jul 2019 Jun 2019 Nov 2019 Oct 2019 Sep 2019 Aug 2019 700 624 603 580 516 471 409 422 439 431 403 380 750 748 751 758 752 726 15412 15229 15148 15115 14893 14498 17271 17023 16940 16885 16564 16076 18330 18332 18216 18170 18113 18203 35601 35354 35156 35055 34677 34280 700 624 603 580 516 471 409 422 439 431 403 380 750 748 751 758 752 726 1859 1794 1792 1769 1671 1578 15412 15229 15148 15115 14893 14498 18330 18332 18216 18170 18113 18203 35601 35354 35156 35055 34677 34280 5350 4580 3810 3040 2270 1500 607 598 624 528 735 775 0 0 0 0 0 0 24.9 25.1 25.2 25.4 25.7 26.1 ****CREDITABLE SPACE**** Jan 2020 Dec 2019 May 2020 Apr 2020 Mar 2020 Feb 2020 Jan 2020 457 625 766 815 832 772 700 71 295 321 362 387 398 409 358 439 595 690 747 754 750 13207 14563 15808 16012 15893 15695 15412 14092 15922 17489 17879 17859 17618 17271 19517 19174 18839 18454 18165 18191 18330 33609 35096 36328 36334 36025 35808 35601 87 270 423 479 502 443 372 27 264 290 332 354 364 375 28 166 361 481 544 551 548 142 701 1074 1292 1400 1358 1295 13207 14563 15808 16012 15893 15695 15412 19517 19174 18839 18454 18165 18191 18330 32866 34438 35721 35759 35458 35243 35037 1500 1500 1500 1500 1500 1500 5350 813 929 917 997 988 663 607 0 0 0 0 0 0 0 27.4 27.2 25.7 24.5 24.4 24.7 24.9 ****EFFECTIVE SPACE**** Jul 2020 Jun 2020 Aug 2020 512 436 387 183 155 94 55 380 403 406 391 13310 13226 13159 12966 14457 14295 14096 13800 19549 19712 19612 19621 34005 34007 33708 33421 583 512 436 387 183 155 94 55 380 403 406 391 1146 1070 937 834 13310 13226 13159 12966 19549 19712 19612 19621 34005 34007 33708 33421 3810 3040 2270 1500 634 473 701 773 0 0 0 0 26.4 26.5 26.7 27.1 ****CREDITABLE SPACE**** Sep 2020 583 Processed On: 12/13/2018 9:33:27AM Oct 2020 Model Run ID: 3081 Nov 2020 * Based on the Colorado River Basin Forecast Center's Most Probable Water Supply Forecast