RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
Latitude: 38.51º NLongitude: 122.93º WElevation: 20 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: May 12 2025 at 7:25 AM PDTNext Issuance: May 13 2025 at 9:00 AM PDT
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:  05/12/2025 at 07:26 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/07/2025 at 09:00 AM PDT
# Maximum Observed Stage:                       3.92 Feet
# Maximum Observed Flow:                        598 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/13/2025 at 05:00 PM PDT
# Maximum Forecast Stage:                       3.73 Feet
# Maximum Forecast Flow:                        541 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/07/2025 07 AM PDT            3.92            598                        Normal
  05/07/2025 08 AM PDT            3.92            598         0              Normal
  05/07/2025 09 AM PDT            3.92            598         0              Normal
  05/07/2025 10 AM PDT            3.91            595         -              Normal
  05/07/2025 11 AM PDT            3.91            595         0              Normal
  05/07/2025 12 PM PDT            3.91            595         0              Normal
  05/07/2025 01 PM PDT            3.91            595         0              Normal
  05/07/2025 02 PM PDT            3.90            592         -              Normal
  05/07/2025 03 PM PDT            3.90            592         0              Normal
  05/07/2025 04 PM PDT            3.90            592         0              Normal
  05/07/2025 05 PM PDT            3.90            592         0              Normal
  05/07/2025 06 PM PDT            3.90            592         0              Normal
  05/07/2025 07 PM PDT            3.89            589         -              Normal
  05/07/2025 08 PM PDT            3.89            589         0              Normal
  05/07/2025 09 PM PDT            3.89            589         0              Normal
  05/07/2025 10 PM PDT            3.88            586         -              Normal
  05/07/2025 11 PM PDT            3.88            586         0              Normal
  05/08/2025 12 AM PDT            3.88            586         0              Normal
  05/08/2025 01 AM PDT            3.87            583         -              Normal
  05/08/2025 02 AM PDT            3.87            583         0              Normal
  05/08/2025 03 AM PDT            3.87            583         0              Normal
  05/08/2025 04 AM PDT            3.87            583         0              Normal
  05/08/2025 05 AM PDT            3.87            583         0              Normal
  05/08/2025 06 AM PDT            3.86            580         -              Normal
  05/08/2025 07 AM PDT            3.86            580         0              Normal
  05/08/2025 08 AM PDT            3.86            580         0              Normal
  05/08/2025 09 AM PDT            3.86            580         0              Normal
  05/08/2025 10 AM PDT            3.86            580         0              Normal
  05/08/2025 11 AM PDT            3.85            577         -              Normal
  05/08/2025 12 PM PDT            3.85            577         0              Normal
  05/08/2025 01 PM PDT            3.85            577         0              Normal
  05/08/2025 02 PM PDT            3.85            577         0              Normal
  05/08/2025 03 PM PDT            3.85            577         0              Normal
  05/08/2025 04 PM PDT            3.85            577         0              Normal
  05/08/2025 05 PM PDT            3.85            577         0              Normal
  05/08/2025 06 PM PDT            3.85            577         0              Normal
  05/08/2025 07 PM PDT            3.84            574         -              Normal
  05/08/2025 08 PM PDT            3.84            574         0              Normal
  05/08/2025 09 PM PDT            3.84            574         0              Normal
  05/08/2025 10 PM PDT            3.84            574         0              Normal
  05/08/2025 11 PM PDT            3.83            571         -              Normal
  05/09/2025 12 AM PDT            3.83            571         0              Normal
  05/09/2025 01 AM PDT            3.82            568         -              Normal
  05/09/2025 02 AM PDT            3.82            568         0              Normal
  05/09/2025 03 AM PDT            3.82            568         0              Normal
  05/09/2025 04 AM PDT            3.82            568         0              Normal
  05/09/2025 05 AM PDT            3.82            568         0              Normal
  05/09/2025 06 AM PDT            3.82            568         0              Normal
  05/09/2025 07 AM PDT            3.83            571         +              Normal
  05/09/2025 08 AM PDT            3.81            565         -              Normal
  05/09/2025 09 AM PDT            3.81            565         0              Normal
  05/09/2025 10 AM PDT            3.81            565         0              Normal
  05/09/2025 11 AM PDT            3.81            565         0              Normal
  05/09/2025 12 PM PDT            3.81            565         0              Normal
  05/09/2025 01 PM PDT            3.80            562         -              Normal
  05/09/2025 02 PM PDT            3.81            565         +              Normal
  05/09/2025 03 PM PDT            3.81            565         0              Normal
  05/09/2025 04 PM PDT            3.81            565         0              Normal
  05/09/2025 05 PM PDT            3.80            562         -              Normal
  05/09/2025 06 PM PDT            3.80            562         0              Normal
  05/09/2025 07 PM PDT            3.79            559         -              Normal
  05/09/2025 08 PM PDT            3.79            559         0              Normal
  05/09/2025 09 PM PDT            3.78            556         -              Normal
  05/09/2025 10 PM PDT            3.78            556         0              Normal
  05/09/2025 11 PM PDT            3.77            553         -              Normal
  05/10/2025 12 AM PDT            3.77            553         0              Normal
  05/10/2025 01 AM PDT            3.77            553         0              Normal
  05/10/2025 02 AM PDT            3.76            550         -              Normal
  05/10/2025 03 AM PDT            3.76            550         0              Normal
  05/10/2025 04 AM PDT            3.76            550         0              Normal
  05/10/2025 05 AM PDT            3.76            550         0              Normal
  05/10/2025 06 AM PDT            3.76            550         0              Normal
  05/10/2025 07 AM PDT            3.76            550         0              Normal
  05/10/2025 08 AM PDT            3.76            550         0              Normal
  05/10/2025 09 AM PDT            3.75            547         -              Normal
  05/10/2025 10 AM PDT            3.75            547         0              Normal
  05/10/2025 11 AM PDT            3.73            541         -              Normal
  05/10/2025 12 PM PDT            3.73            541         0              Normal
  05/10/2025 01 PM PDT            3.73            541         0              Normal
  05/10/2025 02 PM PDT            3.73            541         0              Normal
  05/10/2025 03 PM PDT            3.73            541         0              Normal
  05/10/2025 04 PM PDT            3.73            541         0              Normal
  05/10/2025 05 PM PDT            3.73            541         0              Normal
  05/10/2025 06 PM PDT            3.73            541         0              Normal
  05/10/2025 07 PM PDT            3.71            535         -              Normal
  05/10/2025 08 PM PDT            3.71            535         0              Normal
  05/10/2025 09 PM PDT            3.70            532         -              Normal
  05/10/2025 10 PM PDT            3.70            532         0              Normal
  05/10/2025 11 PM PDT            3.70            532         0              Normal
  05/11/2025 12 AM PDT            3.69            529         -              Normal
  05/11/2025 01 AM PDT            3.69            529         0              Normal
  05/11/2025 02 AM PDT            3.69            529         0              Normal
  05/11/2025 03 AM PDT            3.69            529         0              Normal
  05/11/2025 04 AM PDT            3.69            529         0              Normal
  05/11/2025 05 AM PDT            3.69            529         0              Normal
  05/11/2025 06 AM PDT            3.69            529         0              Normal
  05/11/2025 07 AM PDT            3.69            529         0              Normal
  05/11/2025 08 AM PDT            3.69            529         0              Normal
  05/11/2025 09 AM PDT            3.69            529         0              Normal
  05/11/2025 10 AM PDT            3.69            529         0              Normal
  05/11/2025 11 AM PDT            3.70            532         +              Normal
  05/11/2025 12 PM PDT            3.70            532         0              Normal
  05/11/2025 01 PM PDT            3.70            532         0              Normal
  05/11/2025 02 PM PDT            3.70            532         0              Normal
  05/11/2025 03 PM PDT            3.69            529         -              Normal
  05/11/2025 04 PM PDT            3.69            529         0              Normal
  05/11/2025 05 PM PDT            3.69            529         0              Normal
  05/11/2025 06 PM PDT            3.68            526         -              Normal
  05/11/2025 07 PM PDT            3.68            526         0              Normal
  05/11/2025 08 PM PDT            3.67            523         -              Normal
  05/11/2025 09 PM PDT            3.67            523         0              Normal
  05/11/2025 10 PM PDT            3.67            523         0              Normal
  05/11/2025 11 PM PDT            3.66            520         -              Normal
  05/12/2025 12 AM PDT            3.66            520         0              Normal
  05/12/2025 01 AM PDT            3.66            520         0              Normal
  05/12/2025 02 AM PDT            3.66            520         0              Normal
  05/12/2025 03 AM PDT            3.66            520         0              Normal
  05/12/2025 04 AM PDT            3.67            523         +              Normal
  05/12/2025 05 AM PDT            3.68            526         +              Normal
  05/12/2025 06 AM PDT            3.68            526         0              Normal
  05/12/2025 07 AM PDT            3.68            526         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/12/2025 08 AM PDT            3.67            523                        Normal
  05/12/2025 09 AM PDT            3.67            523         0              Normal
  05/12/2025 10 AM PDT            3.67            523         0              Normal
  05/12/2025 11 AM PDT            3.67            523         0              Normal
  05/12/2025 12 PM PDT            3.67            523         0              Normal
  05/12/2025 01 PM PDT            3.67            523         0              Normal
  05/12/2025 02 PM PDT            3.67            523         0              Normal
  05/12/2025 03 PM PDT            3.67            523         0              Normal
  05/12/2025 04 PM PDT            3.67            523         0              Normal
  05/12/2025 05 PM PDT            3.67            523         0              Normal
  05/12/2025 06 PM PDT            3.67            523         0              Normal
  05/12/2025 07 PM PDT            3.68            526         +              Normal
  05/12/2025 08 PM PDT            3.68            526         0              Normal
  05/12/2025 09 PM PDT            3.69            529         +              Normal
  05/12/2025 10 PM PDT            3.69            529         0              Normal
  05/12/2025 11 PM PDT            3.69            529         0              Normal
  05/13/2025 12 AM PDT            3.70            532         +              Normal
  05/13/2025 01 AM PDT            3.70            532         0              Normal
  05/13/2025 02 AM PDT            3.71            535         +              Normal
  05/13/2025 03 AM PDT            3.71            535         0              Normal
  05/13/2025 04 AM PDT            3.71            535         0              Normal
  05/13/2025 05 AM PDT            3.71            535         0              Normal
  05/13/2025 06 AM PDT            3.71            535         0              Normal
  05/13/2025 07 AM PDT            3.71            535         0              Normal
  05/13/2025 08 AM PDT            3.72            538         +              Normal
  05/13/2025 09 AM PDT            3.72            538         0              Normal
  05/13/2025 10 AM PDT            3.72            538         0              Normal
  05/13/2025 11 AM PDT            3.72            538         0              Normal
  05/13/2025 12 PM PDT            3.72            538         0              Normal
  05/13/2025 01 PM PDT            3.72            538         0              Normal
  05/13/2025 02 PM PDT            3.72            538         0              Normal
  05/13/2025 03 PM PDT            3.72            538         0              Normal
  05/13/2025 04 PM PDT            3.72            538         0              Normal
  05/13/2025 05 PM PDT            3.73            541         +              Normal
  05/13/2025 06 PM PDT            3.72            538         -              Normal
  05/13/2025 07 PM PDT            3.72            538         0              Normal
  05/13/2025 08 PM PDT            3.72            538         0              Normal
  05/13/2025 09 PM PDT            3.72            538         0              Normal
  05/13/2025 10 PM PDT            3.72            538         0              Normal
  05/13/2025 11 PM PDT            3.72            538         0              Normal
  05/14/2025 12 AM PDT            3.72            538         0              Normal
  05/14/2025 01 AM PDT            3.71            535         -              Normal
  05/14/2025 02 AM PDT            3.71            535         0              Normal
  05/14/2025 03 AM PDT            3.71            535         0              Normal
  05/14/2025 04 AM PDT            3.71            535         0              Normal
  05/14/2025 05 AM PDT            3.70            532         -              Normal
  05/14/2025 06 AM PDT            3.70            532         0              Normal
  05/14/2025 07 AM PDT            3.70            532         0              Normal
  05/14/2025 08 AM PDT            3.69            529         -              Normal
  05/14/2025 09 AM PDT            3.69            529         0              Normal
  05/14/2025 10 AM PDT            3.68            526         -              Normal
  05/14/2025 11 AM PDT            3.68            526         0              Normal
  05/14/2025 12 PM PDT            3.67            523         -              Normal
  05/14/2025 01 PM PDT            3.67            523         0              Normal
  05/14/2025 02 PM PDT            3.67            523         0              Normal
  05/14/2025 03 PM PDT            3.66            520         -              Normal
  05/14/2025 04 PM PDT            3.66            520         0              Normal
  05/14/2025 05 PM PDT            3.65            517         -              Normal
  05/14/2025 06 PM PDT            3.65            517         0              Normal
  05/14/2025 07 PM PDT            3.64            514         -              Normal
  05/14/2025 08 PM PDT            3.64            514         0              Normal
  05/14/2025 09 PM PDT            3.63            511         -              Normal
  05/14/2025 10 PM PDT            3.63            511         0              Normal
  05/14/2025 11 PM PDT            3.63            511         0              Normal
  05/15/2025 12 AM PDT            3.62            509         -              Normal
  05/15/2025 01 AM PDT            3.62            509         0              Normal
  05/15/2025 02 AM PDT            3.62            509         0              Normal
  05/15/2025 03 AM PDT            3.62            509         0              Normal
  05/15/2025 04 AM PDT            3.61            506         -              Normal
  05/15/2025 05 AM PDT            3.61            506         0              Normal
  05/15/2025 06 AM PDT            3.61            506         0              Normal
  05/15/2025 07 AM PDT            3.60            503         -              Normal
  05/15/2025 08 AM PDT            3.60            503         0              Normal
  05/15/2025 09 AM PDT            3.60            503         0              Normal
  05/15/2025 10 AM PDT            3.60            503         0              Normal
  05/15/2025 11 AM PDT            3.60            503         0              Normal
  05/15/2025 12 PM PDT            3.59            500         -              Normal
  05/15/2025 01 PM PDT            3.59            500         0              Normal
  05/15/2025 02 PM PDT            3.59            500         0              Normal
  05/15/2025 03 PM PDT            3.59            500         0              Normal
  05/15/2025 04 PM PDT            3.59            500         0              Normal
  05/15/2025 05 PM PDT            3.58            497         -              Normal
  05/15/2025 06 PM PDT            3.58            497         0              Normal
  05/15/2025 07 PM PDT            3.58            497         0              Normal
  05/15/2025 08 PM PDT            3.57            494         -              Normal
  05/15/2025 09 PM PDT            3.57            494         0              Normal
  05/15/2025 10 PM PDT            3.57            494         0              Normal
  05/15/2025 11 PM PDT            3.57            494         0              Normal
  05/16/2025 12 AM PDT            3.57            494         0              Normal
  05/16/2025 01 AM PDT            3.56            491         -              Normal
  05/16/2025 02 AM PDT            3.56            491         0              Normal
  05/16/2025 03 AM PDT            3.56            491         0              Normal
  05/16/2025 04 AM PDT            3.56            491         0              Normal
  05/16/2025 05 AM PDT            3.56            491         0              Normal
  05/16/2025 06 AM PDT            3.56            491         0              Normal
  05/16/2025 07 AM PDT            3.56            491         0              Normal
  05/16/2025 08 AM PDT            3.55            489         -              Normal
  05/16/2025 09 AM PDT            3.55            489         0              Normal
  05/16/2025 10 AM PDT            3.55            489         0              Normal
  05/16/2025 11 AM PDT            3.55            489         0              Normal
  05/16/2025 12 PM PDT            3.55            489         0              Normal
  05/16/2025 01 PM PDT            3.55            489         0              Normal
  05/16/2025 02 PM PDT            3.55            489         0              Normal
  05/16/2025 03 PM PDT            3.54            486         -              Normal
  05/16/2025 04 PM PDT            3.54            486         0              Normal
  05/16/2025 05 PM PDT            3.54            486         0              Normal
  05/16/2025 06 PM PDT            3.54            486         0              Normal
  05/16/2025 07 PM PDT            3.54            486         0              Normal
  05/16/2025 08 PM PDT            3.54            486         0              Normal
  05/16/2025 09 PM PDT            3.53            483         -              Normal
  05/16/2025 10 PM PDT            3.53            483         0              Normal
  05/16/2025 11 PM PDT            3.53            483         0              Normal
  05/17/2025 12 AM PDT            3.53            483         0              Normal
  05/17/2025 01 AM PDT            3.53            483         0              Normal
  05/17/2025 02 AM PDT            3.53            483         0              Normal
  05/17/2025 03 AM PDT            3.53            483         0              Normal
  05/17/2025 04 AM PDT            3.52            480         -              Normal
  05/17/2025 05 AM PDT            3.52            480         0              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.