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: 04/30/2025 1629Z
Data ending: 04/30/2025 12Z
* All units are in thousands of acre-feet.

Station: CEGC1 (Trinity R - Trinity Lake)

MONTHLY DATA

October    Obs:    3.9  Mean:   15.8  WY-to-date: Obs:    3.9 Mean:   15.8
2024       % of mean:    24% 

November   Obs:   71.2  Mean:   41.6  WY-to-date: Obs:   75.0 Mean:   57.5
2024       % of mean:    171% 

December   Obs:  214.1  Mean:   84.2  WY-to-date: Obs:  289.1 Mean:  141.7
2024       % of mean:    254% 

January    Obs:  178.7  Mean:  118.3  WY-to-date: Obs:  467.9 Mean:  260.0
2025       % of mean:    151% 

February   Obs:  272.1  Mean:  131.0  WY-to-date: Obs:  740.0 Mean:  389.4
2025       % of mean:    208% 

March      Obs:  226.9  Mean:  175.4  WY-to-date: Obs:  966.9 Mean:  564.8
2025       % of mean:    129% 

April      Obs:  290.4    Mean:  198.1  WY-to-date: Obs: 1257.3 Mean  762.9
2025       % of mean:    147% 

May        Mean:  214.4
2025       Prob. level:      90    75    50    25    10
           Forecast:        266   286   312   333   375
           % of mean:                   146% 

June       Mean:  121.0
2025       Prob. level:      90    75    50    25    10
           Forecast:        110   123   137   153   202
           % of mean:                   113% 

July       Mean:   41.9
2025       Prob. level:      90    75    50    25    10
           Forecast:         28    31    34    38    50
           % of mean:                    81% 

August     Mean:   12.6
2025       Prob. level:      90    75    50    25    10
           Forecast:         15    16    16    17    19
           % of mean:                   129% 

September  Mean:    7.5
2025       Prob. level:      90    75    50    25    10
           Forecast:         11    11    11    12    13
           % of mean:                   151% 

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

Water Year Obs-To-Date: 1257.3    Mean: 1162.0
WY2025     Prob. level:      90    75    50    25    10
           Fcst Residual:   480   490   513   560   613
           Obs + Fcst:     1737  1748  1770  1818  1870
           % of mean:                   152%