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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 | |
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| Klamath |  | 2026100712_klamath_hefs_csv_hourly.zip | 07-Oct-2026 07:17 AM PDT | 1430K |  |
| North Coast | | 2026100712_NorthCoast_hefs_csv_hourly.zip | 07-Oct-2026 07:22 AM PDT | 686K | |
| Russian/Napa | | 2026100712_RussianNapa_hefs_csv_hourly.zip | 07-Oct-2026 07:23 AM PDT | 926K | |
| Upper Sacramento | | 2026100712_UpperSacramento_hefs_csv_hourly.zip | 07-Oct-2026 07:11 AM PDT | 2012K | |
| Feather/Yuba | | 2026100712_FeatherYuba_hefs_csv_hourly.zip | 07-Oct-2026 07:12 AM PDT | 2120K | |
| Cache/Putah | | 2026100712_cacheputah_hefs_csv_hourly.zip | 07-Oct-2026 07:14 AM PDT | 265K | |
| American | | 2026100712_american_hefs_csv_hourly.zip | 07-Oct-2026 07:10 AM PDT | 1790K | |
| Lower Sacramento | | 2026100712_LowerSacramento_hefs_csv_hourly.zip | 07-Oct-2026 07:33 AM PDT | 154K | |
| Salinas/Pajaro | | 2026100712_SalinasPajaro_hefs_csv_hourly.zip | 07-Oct-2026 07:26 AM PDT | 247K | |
| South Bay | | 2026100712_SouthBay_hefs_csv_hourly.zip | 07-Oct-2026 07:26 AM PDT | 515K | |
| Southern California | | 2026100712_SouthernCalifornia_hefs_csv_hourly.zip | 07-Oct-2026 07:28 AM PDT | 648K | |
| San Diego/Inland | | 2026100712_SanDiego_Inland_hefs_csv_hourly.zip | 07-Oct-2026 07:29 AM PDT | 372K | |
| Tulare | | 2026100712_Tulare_hefs_csv_hourly.zip | 07-Oct-2026 07:10 AM PDT | 645K | |
| San Joaquin | | 2026100712_SanJoaquin_hefs_csv_hourly.zip | 07-Oct-2026 07:11 AM PDT | 1402K | |
| North San Joaquin | | 2026100712_n_sanjoaquin_hefs_csv_hourly.zip | 07-Oct-2026 07:15 AM PDT | 321K | |
| East Sierra | | 2026100712_EastSierra_hefs_csv_hourly.zip | 07-Oct-2026 07:30 AM PDT | 2062K | |
| Humboldt | | 2026100712_Humboldt_hefs_csv_hourly.zip | 07-Oct-2026 07:34 AM PDT | 396K | |
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Note 1: Data represented in the files are in kcfs (thousands of cubic feet per second). |
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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. | |||||
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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). |
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Individual Points Enter desired location(s) below (some older browsers may allow only one file download at a time): |
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Forecast Groups Archive | |||||
| Forecast Group | Start Date | Start Hour (Forecast Cycle) | End Date | End Hour (Forecast Cycle) | |
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