CNRFC - Hydrology - River Guidance - Tabular Data

Location:

# NOTE 1: # NOTE 2: # NOTE 3: # NOTE 4:

KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1)
Latitude: 38.62º N Longitude: 120.70º W Elevation: 1821 Feet Forecast Type: Unofficial Location
Location: El Dorado County in California Bulletin Group: San Joaquin River Group: North San Joaquin
Issuance Time: Jul 31 2026 at 6:59 AM PDT Next Issuance: Aug 01 2026 at 9:00 AM PDT width="16%">
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information Fork Cosumnes River - Somerset (SOSC1) 07/31/2026 at 07:01 AM PDT Date & Time of Maximum Observed: 07/26/2026 at 02:00 PM PDT 4.26 Feet 25 cfs & Time of Maximum Forecast: 07/31/2026 at 07:00 AM PDT 3.88 Feet 7 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 4.22 22 Not Applicable 4.23 23 + Not Applicable 4.23 23 0 Not Applicable 4.23 23 0 Not Applicable 4.23 23 0 Not Applicable 4.23 23 0 Not Applicable 4.22 22 - Not Applicable 4.26 25 + Not Applicable 4.04 12 - Not Applicable 4.00 11 - Not Applicable 3.99 11 - Not Applicable 3.99 11 0 Not Applicable 3.98 10 - Not Applicable 3.99 11 + Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 3.99 11 0 Not Applicable 4.00 11 + Not Applicable 4.00 11 0 Not Applicable 4.00 11 0 Not Applicable 4.00 11 0 Not Applicable 3.99 11 - Not Applicable 3.99 11 0 Not Applicable 3.97 10 - Not Applicable 3.71 3 - Not Applicable 3.61 2 - Not Applicable 3.60 2 - Not Applicable 3.60 2 0 Not Applicable 3.60 2 0 Not Applicable 3.61 2 + Not Applicable 3.61 2 0 Not Applicable 3.61 2 0 Not Applicable 3.61 2 0 Not Applicable 3.62 2 + Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.62 2 0 Not Applicable 3.63 2 + Not Applicable 3.63 2 0 Not Applicable 3.62 2 - Not Applicable 3.62 2 0 Not Applicable 3.61 2 - Not Applicable 3.61 2 0 Not Applicable 3.61 2 0 Not Applicable 3.86 6 + Not Applicable 4.07 14 + Not Applicable 4.07 14 0 Not Applicable 4.06 13 - Not Applicable 4.06 13 0 Not Applicable 4.07 14 + Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.08 14 + Not Applicable 4.08 14 0 Not Applicable 4.08 14 0 Not Applicable 4.08 14 0 Not Applicable 4.07 14 - Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.06 13 - Not Applicable 4.05 13 - Not Applicable 4.06 13 + Not Applicable 4.06 13 0 Not Applicable 4.05 13 - Not Applicable 4.06 13 + Not Applicable 4.05 13 - Not Applicable 4.06 13 + Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.06 13 0 Not Applicable 4.07 14 + Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.07 14 0 Not Applicable 4.06 13 - Not Applicable 4.05 13 - Not Applicable 4.05 13 0 Not Applicable 4.05 13 0 Not Applicable 3.89 7 - Not Applicable 3.89 7 0 Not Applicable 3.87 6 - Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.88 7 + Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 3.88 7 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.88 7 0 Not Applicable 3.87 6 - Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.87 6 0 Not Applicable 3.86 6 - Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable 3.86 6 0 Not Applicable Stages are rounded to the nearest hundredth (.01) of a foot. Flows are rounded to the nearest (1) cfs. Trends are determined using hourly change in unrounded stage and flow. Maximum Values are determined using unrounded stage and flow. End Web Content -->
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