National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

Raw ESP Water Supply Forecast

*CAUTION: Data below is raw model output and has not been reviewed
*         by a hydrologist.

Program run: 04/03/2026 1551Z
Data ending: 04/03/2026 12Z
* All units are in thousands of acre-feet.

Station: SCSC1 (Tule - Success Dam)

MONTHLY DATA

October    Obs:    3.6  Mean:    1.8  WY-to-date: Obs:    3.6 Mean:    1.8
2025       % of mean:    206% 

November   Obs:    5.6  Mean:    4.3  WY-to-date: Obs:    9.3 Mean:    6.1
2025       % of mean:    130% 

December   Obs:    7.5  Mean:    8.9  WY-to-date: Obs:   16.7 Mean:   15.0
2025       % of mean:    83% 

January    Obs:   15.3  Mean:   19.1  WY-to-date: Obs:   32.0 Mean:   34.1
2026       % of mean:    80% 

February   Obs:   13.2  Mean:   20.1  WY-to-date: Obs:   45.2 Mean:   54.1
2026       % of mean:    66% 

March      Obs:   20.7  Mean:   29.7  WY-to-date: Obs:   65.9 Mean:   83.8
2026       % of mean:    70% 

April      Obs (thru 03@12Z):    1.2    Mean:   24.6  WY-to-date: Obs:   67.2 Mean:   86.6
2026       Prob. level:      90    75    50    25    10
           Fcst Residual:     6     6     7     8    10
           Obs + Fcst:        7     8     8     9    11
           % of mean:                    33% 

May        Mean:   20.8
2026       Prob. level:      90    75    50    25    10
           Forecast:          3     3     4     5     9
           % of mean:                    19% 

June       Mean:   11.9
2026       Prob. level:      90    75    50    25    10
           Forecast:          2     2     2     2     3
           % of mean:                    17% 

July       Mean:    4.6
2026       Prob. level:      90    75    50    25    10
           Forecast:          1     1     1     1     1
           % of mean:                    18% 

August     Mean:    2.0
2026       Prob. level:      90    75    50    25    10
           Forecast:          0     0     0     0     1
           % of mean:                    12% 

September  Mean:    1.2
2026       Prob. level:      90    75    50    25    10
           Forecast:          0     0     0     0     0
           % of mean:                     7% 

-------------------------------------------------------

Water Year Obs-To-Date:   67.2    Mean:  149.0
WY2026     Prob. level:      90    75    50    25    10
           Fcst Residual:    12    12    14    18    23
           Obs + Fcst:       79    80    81    85    90
           % of mean:                    55%