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Long Range Daily Ensemble CSV File Download

Forecast Groups

Forecast Group

Filename

Date/Time Last Modified

Size

Klamath2026102312_klamath_hefs_csv_daily.zip23-Oct-2026 06:49 PM PST1184K
North Coast2026102312_NorthCoast_hefs_csv_daily.zip23-Oct-2026 03:29 PM PST1118K
Russian/Napa2026102312_RussianNapa_hefs_csv_daily.zip23-Oct-2026 03:30 PM PST1554K
Upper Sacramento2026102312_UpperSacramento_hefs_csv_daily.zip23-Oct-2026 03:06 PM PST1383K
Feather/Yuba2026102312_FeatherYuba_hefs_csv_daily.zip23-Oct-2026 03:12 PM PST2181K
Cache/Putah2026102312_cacheputah_hefs_csv_daily.zip23-Oct-2026 03:30 PM PST211K
American2026102312_american_hefs_csv_daily.zip23-Oct-2026 03:16 PM PST1764K
Salinas/Pajaro2026102312_SalinasPajaro_hefs_csv_daily.zip23-Oct-2026 03:23 PM PST561K
South Bay2026102312_SouthBay_hefs_csv_daily.zip23-Oct-2026 03:12 PM PST452K
Southern California2026102312_SouthernCalifornia_hefs_csv_daily.zip23-Oct-2026 03:04 PM PST1120K
San Diego/Inland2026102312_SanDiego_Inland_hefs_csv_daily.zip23-Oct-2026 03:13 PM PST730K
Tulare2026102312_Tulare_hefs_csv_daily.zip23-Oct-2026 03:33 PM PST862K
San Joaquin2026102312_SanJoaquin_hefs_csv_daily.zip23-Oct-2026 03:12 PM PST1284K
North San Joaquin2026102312_n_sanjoaquin_hefs_csv_daily.zip23-Oct-2026 03:34 PM PST777K
East Sierra2026102312_EastSierra_hefs_csv_daily.zip23-Oct-2026 03:05 PM PST2028K
Humboldt2026102312_Humboldt_hefs_csv_daily.zip23-Oct-2026 03:35 PM PST728K
Water Supply Indices2026102312_WSI_hefs_csv_daily.zip23-Oct-2026 03:36 PM PST213K

Note 1: Data represented in the files are in kcfs (thousands of cubic feet per second).

Note 2: Each location includes 44 ensemble members with the first column starting with year 1980 and the last column ending with year 2023. Each historical year is more meaningful beyond the first couple weeks when climatology drives the spread in the ensemble.

Note 3: On October 20, 2022 the Central Coast forecast group was split into two forecast groups (Salinas/Pajaro and South Bay) and the Southern California forecast group was split into two forecast groups (Southern California and San Diego/Inland).

Individual Points

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Forecast Groups Archive

Forecast Group

Start Date

End Date