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: 05/08/2025 1748Z
Data ending: 05/08/2025 12Z
* All units are in thousands of acre-feet.

Station: COTC1 (Battle Ck - Cottonwood, Nr)

MONTHLY DATA

October    Obs:   13.0  Mean:   16.8  WY-to-date: Obs:   13.0 Mean:   16.8
2024       % of mean:    77% 

November   Obs:   38.6  Mean:   20.4  WY-to-date: Obs:   51.6 Mean:   37.3
2024       % of mean:    189% 

December   Obs:   50.0  Mean:   33.1  WY-to-date: Obs:  101.6 Mean:   70.3
2024       % of mean:    151% 

January    Obs:   42.7  Mean:   39.5  WY-to-date: Obs:  144.3 Mean:  109.9
2025       % of mean:    108% 

February   Obs:   98.9  Mean:   39.5  WY-to-date: Obs:  243.2 Mean:  149.1
2025       % of mean:    250% 

March      Obs:   46.4  Mean:   45.2  WY-to-date: Obs:  289.7 Mean:  194.1
2025       % of mean:    103% 

April      Obs:   40.5  Mean:   37.3  WY-to-date: Obs:  330.2 Mean:  231.2
2025       % of mean:    109% 

May        Obs (thru 08@12Z):    9.4    Mean:   36.5  WY-to-date: Obs:  339.5 Mean:  241.7
2025       Prob. level:      90    75    50    25    10
           Fcst Residual:    22    23    24    26    28
           Obs + Fcst:       31    32    33    35    38
           % of mean:                    91% 

June       Mean:   27.9
2025       Prob. level:      90    75    50    25    10
           Forecast:         20    20    21    24    28
           % of mean:                    77% 

July       Mean:   19.8
2025       Prob. level:      90    75    50    25    10
           Forecast:         18    18    19    19    21
           % of mean:                    94% 

August     Mean:   15.8
2025       Prob. level:      90    75    50    25    10
           Forecast:         17    17    17    17    18
           % of mean:                   107% 

September  Mean:   14.8
2025       Prob. level:      90    75    50    25    10
           Forecast:         15    16    16    16    17
           % of mean:                   107% 

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

Water Year Obs-To-Date:  339.5    Mean:  346.6
WY2025     Prob. level:      90    75    50    25    10
           Fcst Residual:    93    94    96   101   113
           Obs + Fcst:      432   433   436   440   453
           % of mean:                   126%