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Short Range Hourly Ensemble CSV File Download

Forecast Groups

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Forecast Group

Filename

Date/Time Last Modified

Size

ID Help Doc

Klamath2026071512_klamath_hefs_csv_hourly.zip15-Jul-2026 07:10 AM PDT1164K
North Coast2026071512_NorthCoast_hefs_csv_hourly.zip15-Jul-2026 07:09 AM PDT384K
Russian/Napa2026071512_RussianNapa_hefs_csv_hourly.zip15-Jul-2026 07:10 AM PDT276K
Upper Sacramento2026071512_UpperSacramento_hefs_csv_hourly.zip15-Jul-2026 06:52 AM PDT1482K
Feather/Yuba2026071512_FeatherYuba_hefs_csv_hourly.zip15-Jul-2026 06:51 AM PDT1204K
Cache/Putah2026071512_cacheputah_hefs_csv_hourly.zip15-Jul-2026 06:58 AM PDT89K
American2026071512_american_hefs_csv_hourly.zip15-Jul-2026 06:50 AM PDT1631K
Lower Sacramento2026071512_LowerSacramento_hefs_csv_hourly.zip15-Jul-2026 07:06 AM PDT143K
Salinas/Pajaro2026071512_SalinasPajaro_hefs_csv_hourly.zip15-Jul-2026 07:16 AM PDT97K
South Bay2026071512_SouthBay_hefs_csv_hourly.zip15-Jul-2026 07:12 AM PDT140K
Southern California2026071512_SouthernCalifornia_hefs_csv_hourly.zip15-Jul-2026 07:16 AM PDT286K
San Diego/Inland2026071512_SanDiego_Inland_hefs_csv_hourly.zip15-Jul-2026 07:28 AM PDT174K
Tulare2026071512_Tulare_hefs_csv_hourly.zip15-Jul-2026 06:58 AM PDT526K
San Joaquin2026071512_SanJoaquin_hefs_csv_hourly.zip15-Jul-2026 06:51 AM PDT1016K
North San Joaquin2026071512_n_sanjoaquin_hefs_csv_hourly.zip15-Jul-2026 07:06 AM PDT170K
East Sierra2026071512_EastSierra_hefs_csv_hourly.zip15-Jul-2026 07:29 AM PDT1556K
Humboldt2026071512_Humboldt_hefs_csv_hourly.zip15-Jul-2026 07:27 AM PDT298K

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

Start Hour
(Forecast Cycle)


End Date

End Hour
(Forecast Cycle)