Raw ESP Water Supply Forecast *CAUTION: Data below is raw model output and has not been reviewed
* by a hydrologist.
Program run: 07/10/2026 1500Z
Data ending: 07/10/2026 12Z
* All units are in thousands of acre-feet.
Station: SHDC1 (Sacramento - Shasta Dam)
MONTHLY DATA
October Obs: 219.6 Mean: 225.5 WY-to-date: Obs: 219.6 Mean: 225.5
2025 % of mean: 97%
November Obs: 389.5 Mean: 299.1 WY-to-date: Obs: 609.1 Mean: 524.5
2025 % of mean: 130%
December Obs: 818.2 Mean: 529.3 WY-to-date: Obs: 1427.3 Mean: 1053.8
2025 % of mean: 155%
January Obs: 991.2 Mean: 707.5 WY-to-date: Obs: 2418.5 Mean: 1761.3
2026 % of mean: 140%
February Obs: 553.3 Mean: 801.9 WY-to-date: Obs: 2971.9 Mean: 2555.4
2026 % of mean: 69%
March Obs: 497.1 Mean: 917.6 WY-to-date: Obs: 3468.9 Mean: 3472.9
2026 % of mean: 54%
April Obs: 408.3 Mean: 647.8 WY-to-date: Obs: 3877.2 Mean: 4120.7
2026 % of mean: 63%
May Obs: 314.8 Mean: 505.4 WY-to-date: Obs: 4192.1 Mean: 4626.1
2026 % of mean: 62%
June Obs: 233.0 Mean: 316.1 WY-to-date: Obs: 4425.1 Mean: 4942.3
2026 % of mean: 74%
July Obs (thru 10@12Z): 70.5 Mean: 229.2 WY-to-date: Obs: 4495.6 Mean: 5030.0
2026 Prob. level: 90 75 50 25 10
Fcst Residual: 133 133 133 134 135
Obs + Fcst: 203 203 203 204 205
% of mean: 89%
August Mean: 201.8
2026 Prob. level: 90 75 50 25 10
Forecast: 174 175 176 178 181
% of mean: 87%
September Mean: 194.3
2026 Prob. level: 90 75 50 25 10
Forecast: 164 164 167 172 178
% of mean: 86%
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Water Year Obs-To-Date: 4495.6 Mean: 5575.4
WY2026 Prob. level: 90 75 50 25 10
Fcst Residual: 466 467 473 477 486
Obs + Fcst: 4961 4963 4968 4973 4982
% of mean: 89%
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