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: 04/07/2026 1508Z
Data ending: 04/07/2026 12Z
* All units are in thousands of acre-feet.

Station: MFAC1 (Mf American - Foresthill, Nr)

MONTHLY DATA

October    Obs:    7.4  Mean:   12.2  WY-to-date: Obs:    7.4 Mean:   12.2
2025       % of mean:    61% 

November   Obs:   23.4  Mean:   30.8  WY-to-date: Obs:   30.9 Mean:   42.9
2025       % of mean:    76% 

December   Obs:  136.0  Mean:   78.3  WY-to-date: Obs:  166.9 Mean:  121.3
2025       % of mean:    174% 

January    Obs:  135.4  Mean:  106.5  WY-to-date: Obs:  302.2 Mean:  227.8
2026       % of mean:    127% 

February   Obs:   95.6  Mean:  118.4  WY-to-date: Obs:  397.8 Mean:  345.3
2026       % of mean:    81% 

March      Obs:  142.6  Mean:  154.6  WY-to-date: Obs:  540.4 Mean:  499.9
2026       % of mean:    92% 

April      Obs (thru 07@12Z):   43.0    Mean:  169.8  WY-to-date: Obs:  583.4 Mean:  537.8
2026       Prob. level:      90    75    50    25    10
           Fcst Residual:    83    98   122   158   188
           Obs + Fcst:      126   141   165   201   231
           % of mean:                    97% 

May        Mean:  173.8
2026       Prob. level:      90    75    50    25    10
           Forecast:         43    48    59    78   166
           % of mean:                    34% 

June       Mean:   89.8
2026       Prob. level:      90    75    50    25    10
           Forecast:         16    18    20    33    45
           % of mean:                    23% 

July       Mean:   25.1
2026       Prob. level:      90    75    50    25    10
           Forecast:          8     9    10    13    15
           % of mean:                    42% 

August     Mean:    7.0
2026       Prob. level:      90    75    50    25    10
           Forecast:          5     6     6     8     9
           % of mean:                    91% 

September  Mean:    5.3
2026       Prob. level:      90    75    50    25    10
           Forecast:          4     4     5     6     8
           % of mean:                    93% 

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

Water Year Obs-To-Date:  583.4    Mean:  971.6
WY2026     Prob. level:      90    75    50    25    10
           Fcst Residual:   169   192   233   327   400
           Obs + Fcst:      752   775   816   910   984
           % of mean:                    84%