RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
Latitude: 38.51º NLongitude: 122.93º WElevation: 20 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 28 2026 at 7:42 AM PSTNext Issuance: Mar 01 2026 at 9:00 AM PST
Action/Monitor: 31.0 FeetMinor Flood: 34.0 FeetModerate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time:  02/28/2026 at 07:44 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/26/2026 at 04:00 AM PST
# Maximum Observed Stage:                       22.39 Feet
# Maximum Observed Flow:                        16094 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/28/2026 at 08:00 AM PST
# Maximum Forecast Stage:                       14.12 Feet
# Maximum Forecast Flow:                        6752 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/23/2026 07 AM PST            9.18           3000                        Normal
  02/23/2026 08 AM PST            9.19           3006         +              Normal
  02/23/2026 09 AM PST            9.23           3031         +              Normal
  02/23/2026 10 AM PST            9.25           3043         +              Normal
  02/23/2026 11 AM PST            9.28           3062         +              Normal
  02/23/2026 12 PM PST            9.30           3074         +              Normal
  02/23/2026 01 PM PST            9.32           3087         +              Normal
  02/23/2026 02 PM PST            9.35           3106         +              Normal
  02/23/2026 03 PM PST            9.37           3118         +              Normal
  02/23/2026 04 PM PST            9.40           3137         +              Normal
  02/23/2026 05 PM PST            9.42           3149         +              Normal
  02/23/2026 06 PM PST            9.44           3162         +              Normal
  02/23/2026 07 PM PST            9.45           3168         +              Normal
  02/23/2026 08 PM PST            9.46           3175         +              Normal
  02/23/2026 09 PM PST            9.48           3187         +              Normal
  02/23/2026 10 PM PST            9.48           3187         0              Normal
  02/23/2026 11 PM PST            9.49           3194         +              Normal
  02/24/2026 12 AM PST            9.49           3194         0              Normal
  02/24/2026 01 AM PST            9.50           3200         +              Normal
  02/24/2026 02 AM PST            9.49           3194         -              Normal
  02/24/2026 03 AM PST            9.49           3194         0              Normal
  02/24/2026 04 AM PST            9.49           3194         0              Normal
  02/24/2026 05 AM PST            9.48           3187         -              Normal
  02/24/2026 06 AM PST            9.50           3200         +              Normal
  02/24/2026 07 AM PST            9.52           3213         +              Normal
  02/24/2026 08 AM PST            9.51           3206         -              Normal
  02/24/2026 09 AM PST            9.53           3219         +              Normal
  02/24/2026 10 AM PST            9.54           3225         +              Normal
  02/24/2026 11 AM PST            9.57           3245         +              Normal
  02/24/2026 12 PM PST            9.59           3257         +              Normal
  02/24/2026 01 PM PST            9.65           3296         +              Normal
  02/24/2026 02 PM PST            9.71           3335         +              Normal
  02/24/2026 03 PM PST            9.80           3393         +              Normal
  02/24/2026 04 PM PST            9.92           3472         +              Normal
  02/24/2026 05 PM PST           10.11           3598         +              Normal
  02/24/2026 06 PM PST           10.38           3781         +              Normal
  02/24/2026 07 PM PST           10.77           4053         +              Normal
  02/24/2026 08 PM PST           11.30           4437         +              Normal
  02/24/2026 09 PM PST           11.86           4861         +              Normal
  02/24/2026 10 PM PST           12.41           5294         +              Normal
  02/24/2026 11 PM PST           12.93           5720         +              Normal
  02/25/2026 12 AM PST           13.37           6092         +              Normal
  02/25/2026 01 AM PST           13.80           6467         +              Normal
  02/25/2026 02 AM PST           14.26           6879         +              Normal
  02/25/2026 03 AM PST           14.73           7312         +              Normal
  02/25/2026 04 AM PST           15.21           7767         +              Normal
  02/25/2026 05 AM PST           15.76           8305         +              Normal
  02/25/2026 06 AM PST           16.31           8859         +              Normal
  02/25/2026 07 AM PST           16.80           9368         +              Normal
  02/25/2026 08 AM PST           17.40          10008         +              Normal
  02/25/2026 09 AM PST           17.94          10601         +              Normal
  02/25/2026 10 AM PST           18.40          11119         +              Normal
  02/25/2026 11 AM PST           19.01          11824         +              Normal
  02/25/2026 12 PM PST           19.46          12356         +              Normal
  02/25/2026 01 PM PST           19.94          12937         +              Normal
  02/25/2026 02 PM PST           20.37          13468         +              Normal
  02/25/2026 03 PM PST           20.82          14034         +              Normal
  02/25/2026 04 PM PST           21.17          14481         +              Normal
  02/25/2026 05 PM PST           21.43          14818         +              Normal
  02/25/2026 06 PM PST           21.67          15132         +              Normal
  02/25/2026 07 PM PST           21.81          15317         +              Normal
  02/25/2026 08 PM PST           22.04          15623         +              Normal
  02/25/2026 09 PM PST           22.11          15717         +              Normal
  02/25/2026 10 PM PST           22.28          15945         +              Normal
  02/25/2026 11 PM PST           22.31          15985         +              Normal
  02/26/2026 12 AM PST           22.38          16080         +              Normal
  02/26/2026 01 AM PST           22.37          16067         -              Normal
  02/26/2026 02 AM PST           22.33          16012         -              Normal
  02/26/2026 03 AM PST           22.38          16080         +              Normal
  02/26/2026 04 AM PST           22.39          16094         +              Normal
  02/26/2026 05 AM PST           22.37          16067         -              Normal
  02/26/2026 06 AM PST           22.30          15972         -              Normal
  02/26/2026 07 AM PST           22.27          15932         -              Normal
  02/26/2026 08 AM PST           22.17          15797         -              Normal
  02/26/2026 09 AM PST           22.10          15703         -              Normal
  02/26/2026 10 AM PST           22.00          15570         -              Normal
  02/26/2026 11 AM PST           21.73          15211         -              Normal
  02/26/2026 12 PM PST           21.53          14949         -              Normal
  02/26/2026 01 PM PST           21.26          14598         -              Normal
  02/26/2026 02 PM PST           21.01          14276         -              Normal
  02/26/2026 03 PM PST           20.75          13945         -              Normal
  02/26/2026 04 PM PST           20.43          13542         -              Normal
  02/26/2026 05 PM PST           20.07          13096         -              Normal
  02/26/2026 06 PM PST           19.73          12681         -              Normal
  02/26/2026 07 PM PST           19.38          12261         -              Normal
  02/26/2026 08 PM PST           19.05          11871         -              Normal
  02/26/2026 09 PM PST           18.74          11509         -              Normal
  02/26/2026 10 PM PST           18.38          11096         -              Normal
  02/26/2026 11 PM PST           18.15          10836         -              Normal
  02/27/2026 12 AM PST           17.94          10601         -              Normal
  02/27/2026 01 AM PST           17.66          10291         -              Normal
  02/27/2026 02 AM PST           17.46          10073         -              Normal
  02/27/2026 03 AM PST           17.21           9803         -              Normal
  02/27/2026 04 AM PST           16.99           9568         -              Normal
  02/27/2026 05 AM PST           16.84           9410         -              Normal
  02/27/2026 06 AM PST           16.64           9200         -              Normal
  02/27/2026 07 AM PST           16.46           9014         -              Normal
  02/27/2026 08 AM PST           16.31           8859         -              Normal
  02/27/2026 09 AM PST           16.14           8686         -              Normal
  02/27/2026 10 AM PST           15.98           8525         -              Normal
  02/27/2026 11 AM PST           15.89           8434         -              Normal
  02/27/2026 12 PM PST           15.75           8295         -              Normal
  02/27/2026 01 PM PST           15.61           8157         -              Normal
  02/27/2026 02 PM PST           15.51           8058         -              Normal
  02/27/2026 03 PM PST           15.38           7932         -              Normal
  02/27/2026 04 PM PST           15.27           7825         -              Normal
  02/27/2026 05 PM PST           15.17           7729         -              Normal
  02/27/2026 06 PM PST           15.05           7614         -              Normal
  02/27/2026 07 PM PST           15.01           7576         -              Normal
  02/27/2026 08 PM PST           14.93           7500         -              Normal
  02/27/2026 09 PM PST           14.85           7425         -              Normal
  02/27/2026 10 PM PST           14.77           7349         -              Normal
  02/27/2026 11 PM PST           14.75           7331         -              Normal
  02/28/2026 12 AM PST           14.63           7219         -              Normal
  02/28/2026 01 AM PST           14.61           7200         -              Normal
  02/28/2026 02 AM PST           14.50           7098         -              Normal
  02/28/2026 03 AM PST           14.43           7034         -              Normal
  02/28/2026 04 AM PST           14.38           6988         -              Normal
  02/28/2026 05 AM PST           14.31           6924         -              Normal
  02/28/2026 06 AM PST           14.25           6870         -              Normal
  02/28/2026 07 AM PST           14.19           6815         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/28/2026 08 AM PST           14.12           6752                        Normal
  02/28/2026 09 AM PST           14.06           6698         -              Normal
  02/28/2026 10 AM PST           14.00           6644         -              Normal
  02/28/2026 11 AM PST           13.94           6591         -              Normal
  02/28/2026 12 PM PST           13.88           6537         -              Normal
  02/28/2026 01 PM PST           13.82           6484         -              Normal
  02/28/2026 02 PM PST           13.76           6431         -              Normal
  02/28/2026 03 PM PST           13.70           6379         -              Normal
  02/28/2026 04 PM PST           13.64           6326         -              Normal
  02/28/2026 05 PM PST           13.58           6274         -              Normal
  02/28/2026 06 PM PST           13.53           6230         -              Normal
  02/28/2026 07 PM PST           13.47           6178         -              Normal
  02/28/2026 08 PM PST           13.41           6126         -              Normal
  02/28/2026 09 PM PST           13.36           6084         -              Normal
  02/28/2026 10 PM PST           13.30           6032         -              Normal
  02/28/2026 11 PM PST           13.24           5981         -              Normal
  03/01/2026 12 AM PST           13.19           5939         -              Normal
  03/01/2026 01 AM PST           13.13           5888         -              Normal
  03/01/2026 02 AM PST           13.08           5846         -              Normal
  03/01/2026 03 AM PST           13.03           5804         -              Normal
  03/01/2026 04 AM PST           12.98           5762         -              Normal
  03/01/2026 05 AM PST           12.93           5720         -              Normal
  03/01/2026 06 AM PST           12.88           5678         -              Normal
  03/01/2026 07 AM PST           12.84           5645         -              Normal
  03/01/2026 08 AM PST           12.79           5604         -              Normal
  03/01/2026 09 AM PST           12.75           5571         -              Normal
  03/01/2026 10 AM PST           12.70           5530         -              Normal
  03/01/2026 11 AM PST           12.66           5497         -              Normal
  03/01/2026 12 PM PST           12.62           5464         -              Normal
  03/01/2026 01 PM PST           12.58           5432         -              Normal
  03/01/2026 02 PM PST           12.54           5399         -              Normal
  03/01/2026 03 PM PST           12.49           5359         -              Normal
  03/01/2026 04 PM PST           12.46           5334         -              Normal
  03/01/2026 05 PM PST           12.42           5302         -              Normal
  03/01/2026 06 PM PST           12.38           5270         -              Normal
  03/01/2026 07 PM PST           12.34           5238         -              Normal
  03/01/2026 08 PM PST           12.30           5206         -              Normal
  03/01/2026 09 PM PST           12.26           5174         -              Normal
  03/01/2026 10 PM PST           12.23           5150         -              Normal
  03/01/2026 11 PM PST           12.19           5119         -              Normal
  03/02/2026 12 AM PST           12.15           5087         -              Normal
  03/02/2026 01 AM PST           12.12           5064         -              Normal
  03/02/2026 02 AM PST           12.08           5032         -              Normal
  03/02/2026 03 AM PST           12.05           5009         -              Normal
  03/02/2026 04 AM PST           12.01           4977         -              Normal
  03/02/2026 05 AM PST           11.98           4954         -              Normal
  03/02/2026 06 AM PST           11.95           4931         -              Normal
  03/02/2026 07 AM PST           11.91           4899         -              Normal
  03/02/2026 08 AM PST           11.88           4876         -              Normal
  03/02/2026 09 AM PST           11.85           4853         -              Normal
  03/02/2026 10 AM PST           11.81           4822         -              Normal
  03/02/2026 11 AM PST           11.79           4807         -              Normal
  03/02/2026 12 PM PST           11.76           4784         -              Normal
  03/02/2026 01 PM PST           11.73           4761         -              Normal
  03/02/2026 02 PM PST           11.70           4738         -              Normal
  03/02/2026 03 PM PST           11.68           4723         -              Normal
  03/02/2026 04 PM PST           11.65           4700         -              Normal
  03/02/2026 05 PM PST           11.63           4685         -              Normal
  03/02/2026 06 PM PST           11.61           4670         -              Normal
  03/02/2026 07 PM PST           11.59           4654         -              Normal
  03/02/2026 08 PM PST           11.57           4639         -              Normal
  03/02/2026 09 PM PST           11.55           4624         -              Normal
  03/02/2026 10 PM PST           11.53           4609         -              Normal
  03/02/2026 11 PM PST           11.51           4594         -              Normal
  03/03/2026 12 AM PST           11.48           4572         -              Normal
  03/03/2026 01 AM PST           11.47           4564         -              Normal
  03/03/2026 02 AM PST           11.45           4549         -              Normal
  03/03/2026 03 AM PST           11.43           4534         -              Normal
  03/03/2026 04 AM PST           11.41           4519         -              Normal
  03/03/2026 05 AM PST           11.39           4504         -              Normal
  03/03/2026 06 AM PST           11.37           4489         -              Normal
  03/03/2026 07 AM PST           11.35           4474         -              Normal
  03/03/2026 08 AM PST           11.33           4460         -              Normal
  03/03/2026 09 AM PST           11.31           4445         -              Normal
  03/03/2026 10 AM PST           11.29           4430         -              Normal
  03/03/2026 11 AM PST           11.27           4415         -              Normal
  03/03/2026 12 PM PST           11.25           4401         -              Normal
  03/03/2026 01 PM PST           11.23           4386         -              Normal
  03/03/2026 02 PM PST           11.21           4371         -              Normal
  03/03/2026 03 PM PST           11.19           4356         -              Normal
  03/03/2026 04 PM PST           11.17           4342         -              Normal
  03/03/2026 05 PM PST           11.15           4327         -              Normal
  03/03/2026 06 PM PST           11.13           4312         -              Normal
  03/03/2026 07 PM PST           11.12           4305         -              Normal
  03/03/2026 08 PM PST           11.10           4291         -              Normal
  03/03/2026 09 PM PST           11.08           4276         -              Normal
  03/03/2026 10 PM PST           11.06           4262         -              Normal
  03/03/2026 11 PM PST           11.04           4247         -              Normal
  03/04/2026 12 AM PST           11.02           4233         -              Normal
  03/04/2026 01 AM PST           11.00           4218         -              Normal
  03/04/2026 02 AM PST           10.98           4204         -              Normal
  03/04/2026 03 AM PST           10.96           4189         -              Normal
  03/04/2026 04 AM PST           10.94           4175         -              Normal
  03/04/2026 05 AM PST           10.92           4160         -              Normal
  03/04/2026 06 AM PST           10.90           4146         -              Normal
  03/04/2026 07 AM PST           10.88           4132         -              Normal
  03/04/2026 08 AM PST           10.86           4118         -              Normal
  03/04/2026 09 AM PST           10.84           4103         -              Normal
  03/04/2026 10 AM PST           10.82           4089         -              Normal
  03/04/2026 11 AM PST           10.80           4075         -              Normal
  03/04/2026 12 PM PST           10.78           4061         -              Normal
  03/04/2026 01 PM PST           10.76           4046         -              Normal
  03/04/2026 02 PM PST           10.74           4032         -              Normal
  03/04/2026 03 PM PST           10.72           4018         -              Normal
  03/04/2026 04 PM PST           10.70           4004         -              Normal
  03/04/2026 05 PM PST           10.67           3983         -              Normal
  03/04/2026 06 PM PST           10.65           3969         -              Normal
  03/04/2026 07 PM PST           10.63           3955         -              Normal
  03/04/2026 08 PM PST           10.61           3941         -              Normal
  03/04/2026 09 PM PST           10.59           3927         -              Normal
  03/04/2026 10 PM PST           10.57           3913         -              Normal
  03/04/2026 11 PM PST           10.55           3899         -              Normal
  03/05/2026 12 AM PST           10.54           3892         -              Normal
  03/05/2026 01 AM PST           10.52           3878         -              Normal
  03/05/2026 02 AM PST           10.50           3864         -              Normal
  03/05/2026 03 AM PST           10.48           3850         -              Normal
  03/05/2026 04 AM PST           10.46           3836         -              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.