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: 05/03/2025 1759Z
Data ending: 05/03/2025 12Z
* All units are in thousands of acre-feet.

Station: WHSC1 (Clear Ck - Whiskeytown Res)

MONTHLY DATA

October    Obs:    4.7  Mean:    4.0  WY-to-date: Obs:    4.7 Mean:    4.0
2024       % of mean:    119% 

November   Obs:   23.9  Mean:   10.1  WY-to-date: Obs:   28.6 Mean:   14.1
2024       % of mean:    236% 

December   Obs:   57.8  Mean:   28.8  WY-to-date: Obs:   86.4 Mean:   42.9
2024       % of mean:    201% 

January    Obs:   32.7  Mean:   46.8  WY-to-date: Obs:  119.1 Mean:   89.7
2025       % of mean:    70% 

February   Obs:   83.9  Mean:   55.3  WY-to-date: Obs:  202.9 Mean:  144.4
2025       % of mean:    152% 

March      Obs:   52.0  Mean:   60.0  WY-to-date: Obs:  254.9 Mean:  204.4
2025       % of mean:    87% 

April      Obs:   37.9  Mean:   36.4  WY-to-date: Obs:  292.9 Mean:  240.8
2025       % of mean:    104% 

May        Obs (thru 03@12Z):    1.7    Mean:   21.5  WY-to-date: Obs:  294.6 Mean:  244.2
2025       Prob. level:      90    75    50    25    10
           Fcst Residual:    12    12    13    14    17
           Obs + Fcst:       14    14    14    15    18
           % of mean:                    66% 

June       Mean:    9.8
2025       Prob. level:      90    75    50    25    10
           Forecast:          8     8     9     9    11
           % of mean:                    88% 

July       Mean:    4.2
2025       Prob. level:      90    75    50    25    10
           Forecast:          6     6     6     6     6
           % of mean:                   136% 

August     Mean:    2.8
2025       Prob. level:      90    75    50    25    10
           Forecast:          4     4     4     4     4
           % of mean:                   127% 

September  Mean:    2.7
2025       Prob. level:      90    75    50    25    10
           Forecast:          2     2     2     3     3
           % of mean:                    88% 

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

Water Year Obs-To-Date:  294.6    Mean:  282.5
WY2025     Prob. level:      90    75    50    25    10
           Fcst Residual:    32    32    33    35    38
           Obs + Fcst:      327   327   328   329   333
           % of mean:                   116%