National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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RUSSIAN RIVER - GEYSERVILLE (GEYC1)
Latitude: 38.71º NLongitude: 122.89º WElevation: 190 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 08 2025 at 8:27 AM PSTNext Issuance: Feb 09 2025 at 9:00 AM PST
Action/Monitor: 38.0 FeetMinor Flood: 39.7 FeetModerate Flood: 46.0 FeetMajor Flood: 50.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Geyserville (GEYC1)
#
# File Generation Time:  02/08/2025 at 08:28 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/04/2025 at 09:00 PM PST
# Maximum Observed Stage:                       42.56 Feet
# Maximum Observed Flow:                        33310 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/13/2025 at 04:00 AM PST
# Maximum Forecast Stage:                       35.23 Feet
# Maximum Forecast Flow:                        8670 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/03/2025 08 AM PST           33.84           6819                        Normal
  02/03/2025 09 AM PST           33.90           6885         +              Normal
  02/03/2025 10 AM PST           33.85           6830         -              Normal
  02/03/2025 11 AM PST           33.72           6689         -              Normal
  02/03/2025 12 PM PST           33.55           6506         -              Normal
  02/03/2025 01 PM PST           33.36           6305         -              Normal
  02/03/2025 02 PM PST           33.17           6106         -              Normal
  02/03/2025 03 PM PST           33.03           5962         -              Normal
  02/03/2025 04 PM PST           32.96           5890         -              Normal
  02/03/2025 05 PM PST           33.00           5931         +              Normal
  02/03/2025 06 PM PST           33.19           6127         +              Normal
  02/03/2025 07 PM PST           33.52           6474         +              Normal
  02/03/2025 08 PM PST           33.90           6885         +              Normal
  02/03/2025 09 PM PST           34.40           7466         +              Normal
  02/03/2025 10 PM PST           35.07           8397         +              Normal
  02/03/2025 11 PM PST           35.84           9800         +              Normal
  02/04/2025 12 AM PST           36.69          11760         +              Normal
  02/04/2025 01 AM PST           37.50          14041         +              Normal
  02/04/2025 02 AM PST           38.27          16475         +      Action/Monitor
  02/04/2025 03 AM PST           38.93          18779         +      Action/Monitor
  02/04/2025 04 AM PST           39.47          20610         +      Action/Monitor
  02/04/2025 05 AM PST           39.87          21954         +         Minor Flood
  02/04/2025 06 AM PST           39.91          22092         +         Minor Flood
  02/04/2025 07 AM PST           39.98          22334         +         Minor Flood
  02/04/2025 08 AM PST           40.12          22824         +         Minor Flood
  02/04/2025 09 AM PST           39.98          22334         -         Minor Flood
  02/04/2025 10 AM PST           39.85          21886         -         Minor Flood
  02/04/2025 11 AM PST           39.80          21715         -         Minor Flood
  02/04/2025 12 PM PST           39.93          22161         +         Minor Flood
  02/04/2025 01 PM PST           40.02          22474         +         Minor Flood
  02/04/2025 02 PM PST           40.39          23790         +         Minor Flood
  02/04/2025 03 PM PST           40.75          25121         +         Minor Flood
  02/04/2025 04 PM PST           40.96          25920         +         Minor Flood
  02/04/2025 05 PM PST           41.28          27172         +         Minor Flood
  02/04/2025 06 PM PST           41.68          28794         +         Minor Flood
  02/04/2025 07 PM PST           42.07          30731         +         Minor Flood
  02/04/2025 08 PM PST           42.42          32559         +         Minor Flood
  02/04/2025 09 PM PST           42.56          33310         +         Minor Flood
  02/04/2025 10 PM PST           42.55          33256         -         Minor Flood
  02/04/2025 11 PM PST           42.37          32293         -         Minor Flood
  02/05/2025 12 AM PST           42.09          30833         -         Minor Flood
  02/05/2025 01 AM PST           41.79          29320         -         Minor Flood
  02/05/2025 02 AM PST           41.47          27934         -         Minor Flood
  02/05/2025 03 AM PST           41.18          26776         -         Minor Flood
  02/05/2025 04 AM PST           40.91          25728         -         Minor Flood
  02/05/2025 05 AM PST           40.65          24746         -         Minor Flood
  02/05/2025 06 AM PST           40.39          23790         -         Minor Flood
  02/05/2025 07 AM PST           40.16          22966         -         Minor Flood
  02/05/2025 08 AM PST           39.93          22161         -         Minor Flood
  02/05/2025 09 AM PST           39.76          21579         -         Minor Flood
  02/05/2025 10 AM PST           39.57          20941         -      Action/Monitor
  02/05/2025 11 AM PST           39.44          20512         -      Action/Monitor
  02/05/2025 12 PM PST           39.29          20025         -      Action/Monitor
  02/05/2025 01 PM PST           39.15          19577         -      Action/Monitor
  02/05/2025 02 PM PST           38.98          18963         -      Action/Monitor
  02/05/2025 03 PM PST           38.78          18237         -      Action/Monitor
  02/05/2025 04 PM PST           38.50          17255         -      Action/Monitor
  02/05/2025 05 PM PST           38.18          16177         -      Action/Monitor
  02/05/2025 06 PM PST           37.80          14958         -              Normal
  02/05/2025 07 PM PST           37.40          13745         -              Normal
  02/05/2025 08 PM PST           36.97          12518         -              Normal
  02/05/2025 09 PM PST           36.54          11368         -              Normal
  02/05/2025 10 PM PST           36.16          10428         -              Normal
  02/05/2025 11 PM PST           35.83           9781         -              Normal
  02/06/2025 12 AM PST           35.55           9252         -              Normal
  02/06/2025 01 AM PST           35.31           8813         -              Normal
  02/06/2025 02 AM PST           35.09           8426         -              Normal
  02/06/2025 03 AM PST           34.89           8141         -              Normal
  02/06/2025 04 AM PST           34.72           7903         -              Normal
  02/06/2025 05 AM PST           34.55           7669         -              Normal
  02/06/2025 06 AM PST           34.40           7466         -              Normal
  02/06/2025 07 AM PST           34.24           7262         -              Normal
  02/06/2025 08 AM PST           34.10           7105         -              Normal
  02/06/2025 09 AM PST           33.97           6962         -              Normal
  02/06/2025 10 AM PST           33.85           6830         -              Normal
  02/06/2025 11 AM PST           33.75           6722         -              Normal
  02/06/2025 12 PM PST           33.67           6635         -              Normal
  02/06/2025 01 PM PST           33.61           6571         -              Normal
  02/06/2025 02 PM PST           33.59           6549         -              Normal
  02/06/2025 03 PM PST           33.64           6603         +              Normal
  02/06/2025 04 PM PST           33.77           6743         +              Normal
  02/06/2025 05 PM PST           34.07           7072         +              Normal
  02/06/2025 06 PM PST           34.37           7426         +              Normal
  02/06/2025 07 PM PST           34.67           7834         +              Normal
  02/06/2025 08 PM PST           34.93           8198         +              Normal
  02/06/2025 09 PM PST           35.26           8723         +              Normal
  02/06/2025 10 PM PST           35.66           9458         +              Normal
  02/06/2025 11 PM PST           36.13          10368         +              Normal
  02/07/2025 12 AM PST           36.57          11446         +              Normal
  02/07/2025 01 AM PST           36.92          12380         +              Normal
  02/07/2025 02 AM PST           37.12          12937         +              Normal
  02/07/2025 03 AM PST           37.14          12993         +              Normal
  02/07/2025 04 AM PST           37.02          12656         -              Normal
  02/07/2025 05 AM PST           36.84          12162         -              Normal
  02/07/2025 06 AM PST           36.68          11734         -              Normal
  02/07/2025 07 AM PST           36.51          11291         -              Normal
  02/07/2025 08 AM PST           36.35          10884         -              Normal
  02/07/2025 09 AM PST           36.21          10537         -              Normal
  02/07/2025 10 AM PST           36.06          10229         -              Normal
  02/07/2025 11 AM PST           35.91           9935         -              Normal
  02/07/2025 12 PM PST           35.74           9609         -              Normal
  02/07/2025 01 PM PST           35.55           9252         -              Normal
  02/07/2025 02 PM PST           35.35           8885         -              Normal
  02/07/2025 03 PM PST           35.15           8528         -              Normal
  02/07/2025 04 PM PST           34.95           8226         -              Normal
  02/07/2025 05 PM PST           34.75           7945         -              Normal
  02/07/2025 06 PM PST           34.57           7697         -              Normal
  02/07/2025 07 PM PST           34.37           7426         -              Normal
  02/07/2025 08 PM PST           34.21           7228         -              Normal
  02/07/2025 09 PM PST           34.06           7061         -              Normal
  02/07/2025 10 PM PST           33.92           6907         -              Normal
  02/07/2025 11 PM PST           33.80           6776         -              Normal
  02/08/2025 12 AM PST           33.67           6635         -              Normal
  02/08/2025 01 AM PST           33.56           6517         -              Normal
  02/08/2025 02 AM PST           33.47           6421         -              Normal
  02/08/2025 03 AM PST           33.41           6358         -              Normal
  02/08/2025 04 AM PST           33.41           6358         0              Normal
  02/08/2025 05 AM PST           33.44           6389         +              Normal
  02/08/2025 06 AM PST           33.52           6474         +              Normal
  02/08/2025 07 AM PST           33.52           6474         0              Normal
  02/08/2025 08 AM PST           33.51           6464         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/08/2025 09 AM PST           33.49           6443                        Normal
  02/08/2025 10 AM PST           33.48           6432         -              Normal
  02/08/2025 11 AM PST           33.48           6432         0              Normal
  02/08/2025 12 PM PST           33.48           6432         0              Normal
  02/08/2025 01 PM PST           33.48           6432         0              Normal
  02/08/2025 02 PM PST           33.48           6432         0              Normal
  02/08/2025 03 PM PST           33.47           6421         -              Normal
  02/08/2025 04 PM PST           33.45           6400         -              Normal
  02/08/2025 05 PM PST           33.42           6368         -              Normal
  02/08/2025 06 PM PST           33.39           6337         -              Normal
  02/08/2025 07 PM PST           33.36           6305         -              Normal
  02/08/2025 08 PM PST           33.32           6263         -              Normal
  02/08/2025 09 PM PST           33.27           6211         -              Normal
  02/08/2025 10 PM PST           33.22           6158         -              Normal
  02/08/2025 11 PM PST           33.18           6117         -              Normal
  02/09/2025 12 AM PST           33.13           6065         -              Normal
  02/09/2025 01 AM PST           33.09           6024         -              Normal
  02/09/2025 02 AM PST           33.04           5972         -              Normal
  02/09/2025 03 AM PST           32.99           5921         -              Normal
  02/09/2025 04 AM PST           32.94           5870         -              Normal
  02/09/2025 05 AM PST           32.89           5819         -              Normal
  02/09/2025 06 AM PST           32.85           5778         -              Normal
  02/09/2025 07 AM PST           32.81           5738         -              Normal
  02/09/2025 08 AM PST           32.76           5688         -              Normal
  02/09/2025 09 AM PST           32.72           5648         -              Normal
  02/09/2025 10 AM PST           32.68           5608         -              Normal
  02/09/2025 11 AM PST           32.64           5568         -              Normal
  02/09/2025 12 PM PST           32.60           5528         -              Normal
  02/09/2025 01 PM PST           32.56           5488         -              Normal
  02/09/2025 02 PM PST           32.53           5459         -              Normal
  02/09/2025 03 PM PST           32.49           5419         -              Normal
  02/09/2025 04 PM PST           32.46           5390         -              Normal
  02/09/2025 05 PM PST           32.42           5351         -              Normal
  02/09/2025 06 PM PST           32.39           5321         -              Normal
  02/09/2025 07 PM PST           32.36           5292         -              Normal
  02/09/2025 08 PM PST           32.33           5263         -              Normal
  02/09/2025 09 PM PST           32.30           5234         -              Normal
  02/09/2025 10 PM PST           32.27           5205         -              Normal
  02/09/2025 11 PM PST           32.24           5176         -              Normal
  02/10/2025 12 AM PST           32.21           5147         -              Normal
  02/10/2025 01 AM PST           32.18           5118         -              Normal
  02/10/2025 02 AM PST           32.16           5099         -              Normal
  02/10/2025 03 AM PST           32.13           5070         -              Normal
  02/10/2025 04 AM PST           32.10           5042         -              Normal
  02/10/2025 05 AM PST           32.08           5023         -              Normal
  02/10/2025 06 AM PST           32.05           4994         -              Normal
  02/10/2025 07 AM PST           32.03           4975         -              Normal
  02/10/2025 08 AM PST           32.00           4947         -              Normal
  02/10/2025 09 AM PST           31.98           4928         -              Normal
  02/10/2025 10 AM PST           31.96           4909         -              Normal
  02/10/2025 11 AM PST           31.93           4881         -              Normal
  02/10/2025 12 PM PST           31.91           4862         -              Normal
  02/10/2025 01 PM PST           31.89           4844         -              Normal
  02/10/2025 02 PM PST           31.87           4825         -              Normal
  02/10/2025 03 PM PST           31.85           4806         -              Normal
  02/10/2025 04 PM PST           31.83           4788         -              Normal
  02/10/2025 05 PM PST           31.81           4769         -              Normal
  02/10/2025 06 PM PST           31.79           4750         -              Normal
  02/10/2025 07 PM PST           31.77           4732         -              Normal
  02/10/2025 08 PM PST           31.75           4713         -              Normal
  02/10/2025 09 PM PST           31.73           4695         -              Normal
  02/10/2025 10 PM PST           31.71           4677         -              Normal
  02/10/2025 11 PM PST           31.69           4658         -              Normal
  02/11/2025 12 AM PST           31.67           4640         -              Normal
  02/11/2025 01 AM PST           31.66           4631         -              Normal
  02/11/2025 02 AM PST           31.64           4612         -              Normal
  02/11/2025 03 AM PST           31.62           4594         -              Normal
  02/11/2025 04 AM PST           31.60           4576         -              Normal
  02/11/2025 05 AM PST           31.59           4567         -              Normal
  02/11/2025 06 AM PST           31.57           4548         -              Normal
  02/11/2025 07 AM PST           31.55           4530         -              Normal
  02/11/2025 08 AM PST           31.54           4521         -              Normal
  02/11/2025 09 AM PST           31.52           4503         -              Normal
  02/11/2025 10 AM PST           31.50           4485         -              Normal
  02/11/2025 11 AM PST           31.49           4476         -              Normal
  02/11/2025 12 PM PST           31.47           4458         -              Normal
  02/11/2025 01 PM PST           31.46           4449         -              Normal
  02/11/2025 02 PM PST           31.44           4431         -              Normal
  02/11/2025 03 PM PST           31.43           4422         -              Normal
  02/11/2025 04 PM PST           31.41           4404         -              Normal
  02/11/2025 05 PM PST           31.40           4395         -              Normal
  02/11/2025 06 PM PST           31.38           4377         -              Normal
  02/11/2025 07 PM PST           31.37           4368         -              Normal
  02/11/2025 08 PM PST           31.36           4359         -              Normal
  02/11/2025 09 PM PST           31.34           4342         -              Normal
  02/11/2025 10 PM PST           31.33           4333         -              Normal
  02/11/2025 11 PM PST           31.31           4315         -              Normal
  02/12/2025 12 AM PST           31.30           4306         -              Normal
  02/12/2025 01 AM PST           31.29           4297         -              Normal
  02/12/2025 02 AM PST           31.28           4288         -              Normal
  02/12/2025 03 AM PST           31.26           4271         -              Normal
  02/12/2025 04 AM PST           31.25           4262         -              Normal
  02/12/2025 05 AM PST           31.24           4253         -              Normal
  02/12/2025 06 AM PST           31.23           4244         -              Normal
  02/12/2025 07 AM PST           31.22           4235         -              Normal
  02/12/2025 08 AM PST           31.21           4226         -              Normal
  02/12/2025 09 AM PST           31.20           4218         -              Normal
  02/12/2025 10 AM PST           31.19           4209         -              Normal
  02/12/2025 11 AM PST           31.18           4200         -              Normal
  02/12/2025 12 PM PST           31.17           4191         -              Normal
  02/12/2025 01 PM PST           31.17           4191         0              Normal
  02/12/2025 02 PM PST           31.20           4218         +              Normal
  02/12/2025 03 PM PST           31.25           4262         +              Normal
  02/12/2025 04 PM PST           31.30           4306         +              Normal
  02/12/2025 05 PM PST           31.35           4350         +              Normal
  02/12/2025 06 PM PST           31.43           4422         +              Normal
  02/12/2025 07 PM PST           31.57           4548         +              Normal
  02/12/2025 08 PM PST           31.87           4825         +              Normal
  02/12/2025 09 PM PST           32.30           5234         +              Normal
  02/12/2025 10 PM PST           32.72           5648         +              Normal
  02/12/2025 11 PM PST           33.13           6065         +              Normal
  02/13/2025 12 AM PST           33.50           6453         +              Normal
  02/13/2025 01 AM PST           33.90           6885         +              Normal
  02/13/2025 02 AM PST           34.36           7412         +              Normal
  02/13/2025 03 AM PST           34.89           8141         +              Normal
  02/13/2025 04 AM PST           35.23           8670         +              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.