CNRFC - Hydrology - River Guidance - Tabular Data

Location:

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KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">RUSSIAN RIVER - GEYSERVILLE (GEYC1)
Latitude: 38.71º N Longitude: 122.89º W Elevation: 190 Feet
Location: Sonoma County in California Bulletin Group: Russian Napa River Group: Russian Napa
Issuance Time: Dec 26 2025 at 7:56 AM PST Next Issuance: Dec 26 2025 at 3:00 PM PST width="16%">
Action/Monitor: 38.0 Feet Minor Flood: 39.7 Feet Moderate Flood: 46.0 Feet Major Flood: 50.0 Feet

# Tabular Observed and Forecast Hydrograph Information River - Geyserville (GEYC1) 12/26/2025 at 07:57 AM PST Date & Time of Maximum Observed: 12/22/2025 at 01:00 AM PST 40.15 Feet 22023 cfs & Time of Maximum Forecast: 12/26/2025 at 08:00 AM PST 36.50 Feet 12276 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 28.79 2226 Normal 29.56 2740 + Normal 30.30 3294 + Normal 30.78 3682 + Normal 31.06 3925 + Normal 31.27 4113 + Normal 31.45 4279 + Normal 31.71 4541 + Normal 32.15 5051 + Normal 32.67 5700 + Normal 33.35 6631 + Normal 34.31 8111 + Normal 35.41 10059 + Normal 36.46 12189 + Normal 37.50 14576 + Normal 38.51 17174 + Action/Monitor 39.40 19706 + Action/Monitor 39.79 20889 + Minor Flood 40.15 22023 + Minor Flood 40.11 21895 - Minor Flood 40.01 21577 - Minor Flood 39.76 20796 - Minor Flood 39.50 20005 - Action/Monitor 39.26 19292 - Action/Monitor 39.04 18654 - Action/Monitor 38.82 18030 - Action/Monitor 38.60 17420 - Action/Monitor 38.35 16744 - Action/Monitor 38.12 16137 - Action/Monitor 37.89 15546 - Normal 37.62 14870 - Normal 37.49 14551 - Normal 37.33 14166 - Normal 37.16 13764 - Normal 36.99 13370 - Normal 36.78 12893 - Normal 36.48 12232 - Normal 36.04 11304 - Normal 35.64 10503 - Normal 35.13 9537 - Normal 34.61 8615 - Normal 34.12 7802 - Normal 33.68 7118 - Normal 33.33 6603 - Normal 33.04 6195 - Normal 32.79 5858 - Normal 32.59 5597 - Normal 32.45 5419 - Normal 32.34 5282 - Normal 32.20 5111 - Normal 32.10 4991 - Normal 32.03 4908 - Normal 31.99 4861 - Normal 31.93 4791 - Normal 31.83 4676 - Normal 31.76 4597 - Normal 31.68 4507 - Normal 31.62 4441 - Normal 31.58 4401 - Normal 31.56 4383 - Normal 31.51 4335 - Normal 31.50 4326 - Normal 31.52 4345 + Normal 31.56 4383 + Normal 31.68 4507 + Normal 31.88 4733 + Normal 32.26 5184 + Normal 32.73 5779 + Normal 33.31 6574 + Normal 34.06 7706 + Normal 34.87 9068 + Normal 35.77 10759 + Normal 36.67 12648 + Normal 37.48 14527 + Normal 38.15 16215 + Action/Monitor 38.59 17392 + Action/Monitor 38.78 17918 + Action/Monitor 38.74 17806 - Action/Monitor 38.55 17283 - Action/Monitor 38.26 16504 - Action/Monitor 37.92 15622 - Normal 37.57 14747 - Normal 37.24 13952 - Normal 36.94 13255 - Normal 36.67 12648 - Normal 36.42 12103 - Normal 36.25 11741 - Normal 36.09 11407 - Normal 35.91 11039 - Normal 35.83 10878 - Normal 35.84 10898 + Normal 35.88 10979 + Normal 36.03 11284 + Normal 36.24 11720 + Normal 36.40 12060 + Normal 36.47 12211 + Normal 37.12 13671 + Normal 37.27 14023 + Normal 37.63 14894 + Normal 37.68 15018 + Normal 37.72 15118 + Normal 37.57 14747 - Normal 37.44 14430 - Normal 37.34 14190 - Normal 37.32 14142 - Normal 37.21 13882 - Normal 37.07 13554 - Normal 36.93 13232 - Normal 36.85 13051 - Normal 36.82 12983 - Normal 36.80 12938 - Normal 36.79 12916 - Normal 36.84 13028 + Normal 36.98 13347 + Normal 37.08 13578 + Normal 37.14 13717 + Normal 37.19 13834 + Normal 37.13 13694 - Normal 37.01 13416 - Normal 36.85 13051 - Normal 36.68 12670 - Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 36.50 12276 Normal 36.34 11932 - Normal 36.21 11657 - Normal 36.12 11469 - Normal 36.04 11304 - Normal 35.97 11161 - Normal 35.92 11060 - Normal 35.88 10979 - Normal 35.88 10979 0 Normal 35.92 11060 + Normal 36.03 11284 + Normal 36.15 11532 + Normal 36.25 11741 + Normal 36.33 11910 + Normal 36.37 11996 + Normal 36.32 11889 - Normal 36.17 11573 - Normal 35.98 11181 - Normal 35.81 10838 - Normal 35.61 10444 - Normal 35.39 10021 - Normal 35.17 9610 - Normal 34.97 9246 - Normal 34.76 8874 - Normal 34.60 8598 - Normal 34.43 8310 - Normal 34.27 8045 - Normal 34.10 7770 - Normal 33.93 7501 - Normal 33.76 7239 - Normal 33.59 6983 - Normal 33.42 6733 - Normal 33.27 6517 - Normal 33.15 6348 - Normal 33.01 6154 - Normal 32.88 5978 - Normal 32.74 5792 - Normal 32.61 5623 - Normal 32.48 5457 - Normal 32.35 5294 - Normal 32.22 5135 - Normal 32.08 4967 - Normal 31.95 4814 - Normal 31.83 4676 - Normal 31.71 4541 - Normal 31.59 4411 - Normal 31.45 4279 - Normal 31.34 4177 - Normal 31.25 4095 - Normal 31.16 4014 - Normal 31.07 3934 - Normal 30.98 3855 - Normal 30.89 3777 - Normal 30.80 3699 - Normal 30.72 3632 - Normal 30.63 3558 - Normal 30.55 3493 - Normal 30.47 3429 - Normal 30.39 3365 - Normal 30.31 3301 - Normal 30.24 3246 - Normal 30.17 3192 - Normal 30.10 3138 - Normal 30.04 3091 - Normal 29.98 3046 - Normal 29.91 2992 - Normal 29.85 2947 - Normal 29.80 2910 - Normal 29.75 2873 - Normal 29.69 2831 - Normal 29.63 2788 - Normal 29.57 2747 - Normal 29.52 2712 - Normal 29.48 2684 - Normal 29.46 2670 - Normal 29.40 2629 - Normal 29.36 2602 - Normal 29.31 2568 - Normal 29.27 2541 - Normal 29.23 2514 - Normal 29.19 2488 - Normal 29.16 2468 - Normal 29.12 2441 - Normal 29.08 2415 - Normal 29.05 2395 - Normal 29.02 2375 - Normal 28.98 2349 - Normal 28.95 2329 - Normal 28.92 2310 - Normal 28.89 2291 - Normal 28.86 2271 - Normal 28.83 2252 - Normal 28.80 2233 - Normal 28.78 2220 - Normal 28.75 2201 - Normal 28.72 2182 - Normal 28.69 2163 - Normal 28.66 2144 - Normal 28.64 2132 - Normal 28.61 2113 - Normal 28.59 2100 - Normal 28.56 2082 - Normal 28.54 2069 - Normal 28.52 2057 - Normal 28.49 2038 - Normal 28.47 2026 - Normal 28.45 2014 - Normal 28.42 1996 - Normal 28.41 1989 - Normal 28.39 1977 - Normal 28.37 1965 - Normal 28.34 1947 - Normal 28.32 1935 - Normal 28.30 1923 - Normal 28.28 1911 - Normal 28.26 1899 - Normal 28.24 1887 - Normal 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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