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: 07/08/2025 1737Z
Data ending: 07/08/2025 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:  290.7  Mean:  198.1  WY-to-date: Obs: 1257.7 Mean:  762.9
2025       % of mean:    147% 

May        Obs:  235.5  Mean:  214.4  WY-to-date: Obs: 1493.2 Mean:  977.3
2025       % of mean:    110% 

June       Obs:   81.0  Mean:  121.0  WY-to-date: Obs: 1574.2 Mean: 1098.4
2025       % of mean:    67% 

July       Obs (thru 08@12Z):    9.8    Mean:   41.9  WY-to-date: Obs: 1584.0 Mean: 1116.7
2025       Prob. level:      90    75    50    25    10
           Fcst Residual:    19    19    19    19    19
           Obs + Fcst:       29    29    29    29    29
           % of mean:                    69% 

August     Mean:   12.6
2025       Prob. level:      90    75    50    25    10
           Forecast:         15    15    15    15    16
           % of mean:                   121% 

September  Mean:    7.5
2025       Prob. level:      90    75    50    25    10
           Forecast:         10    10    11    11    12
           % of mean:                   143% 

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

Water Year Obs-To-Date: 1584.0    Mean: 1162.0
WY2025     Prob. level:      90    75    50    25    10
           Fcst Residual:    44    44    45    46    48
           Obs + Fcst:     1628  1628  1629  1630  1632
           % of mean:                   140%