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 23 2026 at 1:39 PM PSTNext Issuance: Feb 24 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:  02/23/2026 at 01:40 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/18/2026 at 01:00 PM PST
# Maximum Observed Stage:                       12.05 Feet
# Maximum Observed Flow:                        5009 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/25/2026 at 09:00 AM PST
# Maximum Forecast Stage:                       24.36 Feet
# Maximum Forecast Flow:                        18865 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/18/2026 01 PM PST           12.05           5009                        Normal
  02/18/2026 02 PM PST           12.04           5001         -              Normal
  02/18/2026 03 PM PST           12.02           4985         -              Normal
  02/18/2026 04 PM PST           11.99           4962         -              Normal
  02/18/2026 05 PM PST           11.98           4954         -              Normal
  02/18/2026 06 PM PST           11.97           4946         -              Normal
  02/18/2026 07 PM PST           11.95           4931         -              Normal
  02/18/2026 08 PM PST           11.93           4915         -              Normal
  02/18/2026 09 PM PST           11.92           4907         -              Normal
  02/18/2026 10 PM PST           11.87           4869         -              Normal
  02/18/2026 11 PM PST           11.85           4853         -              Normal
  02/19/2026 12 AM PST           11.82           4830         -              Normal
  02/19/2026 01 AM PST           11.80           4815         -              Normal
  02/19/2026 02 AM PST           11.74           4769         -              Normal
  02/19/2026 03 AM PST           11.68           4723         -              Normal
  02/19/2026 04 AM PST           11.67           4715         -              Normal
  02/19/2026 05 AM PST           11.63           4685         -              Normal
  02/19/2026 06 AM PST           11.63           4685         0              Normal
  02/19/2026 07 AM PST           11.61           4670         -              Normal
  02/19/2026 08 AM PST           11.63           4685         +              Normal
  02/19/2026 09 AM PST           11.63           4685         0              Normal
  02/19/2026 10 AM PST           11.65           4700         +              Normal
  02/19/2026 11 AM PST           11.67           4715         +              Normal
  02/19/2026 12 PM PST           11.70           4738         +              Normal
  02/19/2026 01 PM PST           11.74           4769         +              Normal
  02/19/2026 02 PM PST           11.75           4776         +              Normal
  02/19/2026 03 PM PST           11.77           4792         +              Normal
  02/19/2026 04 PM PST           11.80           4815         +              Normal
  02/19/2026 05 PM PST           11.80           4815         0              Normal
  02/19/2026 06 PM PST           11.83           4838         +              Normal
  02/19/2026 07 PM PST           11.85           4853         +              Normal
  02/19/2026 08 PM PST           11.85           4853         0              Normal
  02/19/2026 09 PM PST           11.88           4876         +              Normal
  02/19/2026 10 PM PST           11.89           4884         +              Normal
  02/19/2026 11 PM PST           11.87           4869         -              Normal
  02/20/2026 12 AM PST           11.90           4892         +              Normal
  02/20/2026 01 AM PST           11.90           4892         0              Normal
  02/20/2026 02 AM PST           11.88           4876         -              Normal
  02/20/2026 03 AM PST           11.88           4876         0              Normal
  02/20/2026 04 AM PST           11.88           4876         0              Normal
  02/20/2026 05 AM PST           11.85           4853         -              Normal
  02/20/2026 06 AM PST           11.83           4838         -              Normal
  02/20/2026 07 AM PST           11.80           4815         -              Normal
  02/20/2026 08 AM PST           11.78           4799         -              Normal
  02/20/2026 09 AM PST           11.75           4776         -              Normal
  02/20/2026 10 AM PST           11.73           4761         -              Normal
  02/20/2026 11 AM PST           11.69           4730         -              Normal
  02/20/2026 12 PM PST           11.64           4692         -              Normal
  02/20/2026 01 PM PST           11.66           4708         +              Normal
  02/20/2026 02 PM PST           11.60           4662         -              Normal
  02/20/2026 03 PM PST           11.57           4639         -              Normal
  02/20/2026 04 PM PST           11.55           4624         -              Normal
  02/20/2026 05 PM PST           11.51           4594         -              Normal
  02/20/2026 06 PM PST           11.47           4564         -              Normal
  02/20/2026 07 PM PST           11.41           4519         -              Normal
  02/20/2026 08 PM PST           11.38           4497         -              Normal
  02/20/2026 09 PM PST           11.32           4452         -              Normal
  02/20/2026 10 PM PST           11.26           4408         -              Normal
  02/20/2026 11 PM PST           11.21           4371         -              Normal
  02/21/2026 12 AM PST           11.15           4327         -              Normal
  02/21/2026 01 AM PST           11.09           4283         -              Normal
  02/21/2026 02 AM PST           11.03           4240         -              Normal
  02/21/2026 03 AM PST           10.96           4189         -              Normal
  02/21/2026 04 AM PST           10.89           4139         -              Normal
  02/21/2026 05 AM PST           10.83           4096         -              Normal
  02/21/2026 06 AM PST           10.76           4046         -              Normal
  02/21/2026 07 AM PST           10.70           4004         -              Normal
  02/21/2026 08 AM PST           10.65           3969         -              Normal
  02/21/2026 09 AM PST           10.59           3927         -              Normal
  02/21/2026 10 AM PST           10.51           3871         -              Normal
  02/21/2026 11 AM PST           10.45           3830         -              Normal
  02/21/2026 12 PM PST           10.39           3788         -              Normal
  02/21/2026 01 PM PST           10.32           3740         -              Normal
  02/21/2026 02 PM PST           10.27           3706         -              Normal
  02/21/2026 03 PM PST           10.22           3672         -              Normal
  02/21/2026 04 PM PST           10.16           3632         -              Normal
  02/21/2026 05 PM PST           10.10           3591         -              Normal
  02/21/2026 06 PM PST           10.05           3558         -              Normal
  02/21/2026 07 PM PST           10.01           3531         -              Normal
  02/21/2026 08 PM PST            9.96           3498         -              Normal
  02/21/2026 09 PM PST            9.91           3465         -              Normal
  02/21/2026 10 PM PST            9.86           3432         -              Normal
  02/21/2026 11 PM PST            9.82           3406         -              Normal
  02/22/2026 12 AM PST            9.76           3367         -              Normal
  02/22/2026 01 AM PST            9.72           3341         -              Normal
  02/22/2026 02 AM PST            9.69           3322         -              Normal
  02/22/2026 03 AM PST            9.63           3283         -              Normal
  02/22/2026 04 AM PST            9.58           3251         -              Normal
  02/22/2026 05 AM PST            9.55           3232         -              Normal
  02/22/2026 06 AM PST            9.50           3200         -              Normal
  02/22/2026 07 AM PST            9.46           3175         -              Normal
  02/22/2026 08 AM PST            9.42           3149         -              Normal
  02/22/2026 09 AM PST            9.38           3124         -              Normal
  02/22/2026 10 AM PST            9.36           3112         -              Normal
  02/22/2026 11 AM PST            9.33           3093         -              Normal
  02/22/2026 12 PM PST            9.29           3068         -              Normal
  02/22/2026 01 PM PST            9.26           3049         -              Normal
  02/22/2026 02 PM PST            9.23           3031         -              Normal
  02/22/2026 03 PM PST            9.21           3018         -              Normal
  02/22/2026 04 PM PST            9.19           3006         -              Normal
  02/22/2026 05 PM PST            9.16           2988         -              Normal
  02/22/2026 06 PM PST            9.14           2975         -              Normal
  02/22/2026 07 PM PST            9.11           2957         -              Normal
  02/22/2026 08 PM PST            9.11           2957         0              Normal
  02/22/2026 09 PM PST            9.12           2963         +              Normal
  02/22/2026 10 PM PST            9.12           2963         0              Normal
  02/22/2026 11 PM PST            9.13           2969         +              Normal
  02/23/2026 12 AM PST            9.14           2975         +              Normal
  02/23/2026 01 AM PST            9.13           2969         -              Normal
  02/23/2026 02 AM PST            9.13           2969         0              Normal
  02/23/2026 03 AM PST            9.14           2975         +              Normal
  02/23/2026 04 AM PST            9.13           2969         -              Normal
  02/23/2026 05 AM PST            9.16           2988         +              Normal
  02/23/2026 06 AM PST            9.16           2988         0              Normal
  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            9.29           3068         +              Normal
  02/23/2026 01 PM PST            9.31           3081         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/23/2026 02 PM PST            9.33           3093                        Normal
  02/23/2026 03 PM PST            9.36           3112         +              Normal
  02/23/2026 04 PM PST            9.38           3124         +              Normal
  02/23/2026 05 PM PST            9.41           3143         +              Normal
  02/23/2026 06 PM PST            9.43           3156         +              Normal
  02/23/2026 07 PM PST            9.45           3168         +              Normal
  02/23/2026 08 PM PST            9.47           3181         +              Normal
  02/23/2026 09 PM PST            9.48           3187         +              Normal
  02/23/2026 10 PM PST            9.49           3194         +              Normal
  02/23/2026 11 PM PST            9.49           3194         0              Normal
  02/24/2026 12 AM PST            9.49           3194         0              Normal
  02/24/2026 01 AM PST            9.48           3187         -              Normal
  02/24/2026 02 AM PST            9.47           3181         -              Normal
  02/24/2026 03 AM PST            9.47           3181         0              Normal
  02/24/2026 04 AM PST            9.46           3175         -              Normal
  02/24/2026 05 AM PST            9.44           3162         -              Normal
  02/24/2026 06 AM PST            9.43           3156         -              Normal
  02/24/2026 07 AM PST            9.43           3156         0              Normal
  02/24/2026 08 AM PST            9.45           3168         +              Normal
  02/24/2026 09 AM PST            9.52           3213         +              Normal
  02/24/2026 10 AM PST            9.68           3315         +              Normal
  02/24/2026 11 AM PST            9.96           3498         +              Normal
  02/24/2026 12 PM PST           10.32           3740         +              Normal
  02/24/2026 01 PM PST           10.73           4025         +              Normal
  02/24/2026 02 PM PST           11.16           4334         +              Normal
  02/24/2026 03 PM PST           11.61           4670         +              Normal
  02/24/2026 04 PM PST           12.07           5024         +              Normal
  02/24/2026 05 PM PST           12.62           5464         +              Normal
  02/24/2026 06 PM PST           13.28           6015         +              Normal
  02/24/2026 07 PM PST           14.08           6716         +              Normal
  02/24/2026 08 PM PST           15.11           7671         +              Normal
  02/24/2026 09 PM PST           16.31           8859         +              Normal
  02/24/2026 10 PM PST           17.66          10291         +              Normal
  02/24/2026 11 PM PST           18.97          11777         +              Normal
  02/25/2026 12 AM PST           20.18          13232         +              Normal
  02/25/2026 01 AM PST           21.18          14494         +              Normal
  02/25/2026 02 AM PST           22.05          15636         +              Normal
  02/25/2026 03 AM PST           22.71          16530         +              Normal
  02/25/2026 04 AM PST           23.25          17278         +              Normal
  02/25/2026 05 AM PST           23.67          17871         +              Normal
  02/25/2026 06 AM PST           23.99          18329         +              Normal
  02/25/2026 07 AM PST           24.20          18632         +              Normal
  02/25/2026 08 AM PST           24.31          18792         +              Normal
  02/25/2026 09 AM PST           24.36          18865         +              Normal
  02/25/2026 10 AM PST           24.36          18865         0              Normal
  02/25/2026 11 AM PST           24.28          18748         -              Normal
  02/25/2026 12 PM PST           24.14          18545         -              Normal
  02/25/2026 01 PM PST           23.98          18314         -              Normal
  02/25/2026 02 PM PST           23.78          18028         -              Normal
  02/25/2026 03 PM PST           23.57          17729         -              Normal
  02/25/2026 04 PM PST           23.34          17404         -              Normal
  02/25/2026 05 PM PST           23.10          17069         -              Normal
  02/25/2026 06 PM PST           22.82          16681         -              Normal
  02/25/2026 07 PM PST           22.52          16270         -              Normal
  02/25/2026 08 PM PST           22.21          15851         -              Normal
  02/25/2026 09 PM PST           21.91          15450         -              Normal
  02/25/2026 10 PM PST           21.59          15027         -              Normal
  02/25/2026 11 PM PST           21.27          14610         -              Normal
  02/26/2026 12 AM PST           20.95          14199         -              Normal
  02/26/2026 01 AM PST           20.61          13768         -              Normal
  02/26/2026 02 AM PST           20.24          13306         -              Normal
  02/26/2026 03 AM PST           19.88          12864         -              Normal
  02/26/2026 04 AM PST           19.53          12440         -              Normal
  02/26/2026 05 AM PST           19.19          12035         -              Normal
  02/26/2026 06 AM PST           18.86          11648         -              Normal
  02/26/2026 07 AM PST           18.54          11279         -              Normal
  02/26/2026 08 AM PST           18.22          10915         -              Normal
  02/26/2026 09 AM PST           17.89          10545         -              Normal
  02/26/2026 10 AM PST           17.58          10204         -              Normal
  02/26/2026 11 AM PST           17.28           9878         -              Normal
  02/26/2026 12 PM PST           17.00           9579         -              Normal
  02/26/2026 01 PM PST           16.73           9294         -              Normal
  02/26/2026 02 PM PST           16.48           9034         -              Normal
  02/26/2026 03 PM PST           16.23           8778         -              Normal
  02/26/2026 04 PM PST           16.00           8545         -              Normal
  02/26/2026 05 PM PST           15.77           8315         -              Normal
  02/26/2026 06 PM PST           15.54           8088         -              Normal
  02/26/2026 07 PM PST           15.33           7883         -              Normal
  02/26/2026 08 PM PST           15.13           7691         -              Normal
  02/26/2026 09 PM PST           14.94           7510         -              Normal
  02/26/2026 10 PM PST           14.76           7340         -              Normal
  02/26/2026 11 PM PST           14.58           7172         -              Normal
  02/27/2026 12 AM PST           14.41           7016         -              Normal
  02/27/2026 01 AM PST           14.24           6860         -              Normal
  02/27/2026 02 AM PST           14.08           6716         -              Normal
  02/27/2026 03 AM PST           13.93           6582         -              Normal
  02/27/2026 04 AM PST           13.78           6449         -              Normal
  02/27/2026 05 AM PST           13.64           6326         -              Normal
  02/27/2026 06 AM PST           13.50           6204         -              Normal
  02/27/2026 07 AM PST           13.37           6092         -              Normal
  02/27/2026 08 AM PST           13.23           5972         -              Normal
  02/27/2026 09 AM PST           13.11           5871         -              Normal
  02/27/2026 10 AM PST           12.99           5770         -              Normal
  02/27/2026 11 AM PST           12.87           5670         -              Normal
  02/27/2026 12 PM PST           12.76           5579         -              Normal
  02/27/2026 01 PM PST           12.65           5489         -              Normal
  02/27/2026 02 PM PST           12.55           5407         -              Normal
  02/27/2026 03 PM PST           12.45           5326         -              Normal
  02/27/2026 04 PM PST           12.35           5246         -              Normal
  02/27/2026 05 PM PST           12.26           5174         -              Normal
  02/27/2026 06 PM PST           12.16           5095         -              Normal
  02/27/2026 07 PM PST           12.07           5024         -              Normal
  02/27/2026 08 PM PST           11.98           4954         -              Normal
  02/27/2026 09 PM PST           11.90           4892         -              Normal
  02/27/2026 10 PM PST           11.81           4822         -              Normal
  02/27/2026 11 PM PST           11.73           4761         -              Normal
  02/28/2026 12 AM PST           11.65           4700         -              Normal
  02/28/2026 01 AM PST           11.57           4639         -              Normal
  02/28/2026 02 AM PST           11.50           4587         -              Normal
  02/28/2026 03 AM PST           11.42           4527         -              Normal
  02/28/2026 04 AM PST           11.35           4474         -              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.