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: Nov 06 2026 at 12:26 PM PSTNext Issuance: Nov 07 2026 at 9:00 AM PST
Action: 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:  11/06/2026 at 12:27 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/03/2026 at 07:00 PM PST
# Maximum Observed Stage:                       1.98 Feet
# Maximum Observed Flow:                        233 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/06/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       1.84 Feet
# Maximum Forecast Flow:                        208 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/01/2026 12 PM PST            1.91            220                        Normal
  11/01/2026 01 PM PST            1.91            220         0              Normal
  11/01/2026 02 PM PST            1.90            219         -              Normal
  11/01/2026 03 PM PST            1.90            219         0              Normal
  11/01/2026 04 PM PST            1.90            219         0              Normal
  11/01/2026 05 PM PST            1.90            219         0              Normal
  11/01/2026 06 PM PST            1.90            219         0              Normal
  11/01/2026 07 PM PST            1.90            219         0              Normal
  11/01/2026 08 PM PST            1.90            219         0              Normal
  11/01/2026 09 PM PST            1.90            219         0              Normal
  11/01/2026 10 PM PST            1.90            219         0              Normal
  11/01/2026 11 PM PST            1.90            219         0              Normal
  11/02/2026 12 AM PST            1.90            219         0              Normal
  11/02/2026 01 AM PST            1.90            219         0              Normal
  11/02/2026 02 AM PST            1.90            219         0              Normal
  11/02/2026 03 AM PST            1.91            220         +              Normal
  11/02/2026 04 AM PST            1.91            220         0              Normal
  11/02/2026 05 AM PST            1.91            220         0              Normal
  11/02/2026 06 AM PST            1.91            220         0              Normal
  11/02/2026 07 AM PST            1.91            220         0              Normal
  11/02/2026 08 AM PST            1.91            220         0              Normal
  11/02/2026 09 AM PST            1.91            220         0              Normal
  11/02/2026 10 AM PST            1.91            220         0              Normal
  11/02/2026 11 AM PST            1.91            220         0              Normal
  11/02/2026 12 PM PST            1.91            220         0              Normal
  11/02/2026 01 PM PST            1.91            220         0              Normal
  11/02/2026 02 PM PST            1.90            219         -              Normal
  11/02/2026 03 PM PST            1.91            220         +              Normal
  11/02/2026 04 PM PST            1.91            220         0              Normal
  11/02/2026 05 PM PST            1.91            220         0              Normal
  11/02/2026 06 PM PST            1.91            220         0              Normal
  11/02/2026 07 PM PST            1.91            220         0              Normal
  11/02/2026 08 PM PST            1.91            220         0              Normal
  11/02/2026 09 PM PST            1.91            220         0              Normal
  11/02/2026 10 PM PST            1.91            220         0              Normal
  11/02/2026 11 PM PST            1.92            222         +              Normal
  11/03/2026 12 AM PST            1.92            222         0              Normal
  11/03/2026 01 AM PST            1.92            222         0              Normal
  11/03/2026 02 AM PST            1.93            224         +              Normal
  11/03/2026 03 AM PST            1.93            224         0              Normal
  11/03/2026 04 AM PST            1.93            224         0              Normal
  11/03/2026 05 AM PST            1.93            224         0              Normal
  11/03/2026 06 AM PST            1.93            224         0              Normal
  11/03/2026 07 AM PST            1.93            224         0              Normal
  11/03/2026 08 AM PST            1.93            224         0              Normal
  11/03/2026 09 AM PST            1.94            226         +              Normal
  11/03/2026 10 AM PST            1.95            228         +              Normal
  11/03/2026 11 AM PST            1.95            228         0              Normal
  11/03/2026 12 PM PST            1.95            228         0              Normal
  11/03/2026 01 PM PST            1.96            229         +              Normal
  11/03/2026 02 PM PST            1.96            229         0              Normal
  11/03/2026 03 PM PST            1.96            229         0              Normal
  11/03/2026 04 PM PST            1.97            231         +              Normal
  11/03/2026 05 PM PST            1.98            233         +              Normal
  11/03/2026 06 PM PST            1.98            233         0              Normal
  11/03/2026 07 PM PST            1.98            233         0              Normal
  11/03/2026 08 PM PST            1.97            231         -              Normal
  11/03/2026 09 PM PST            1.97            231         0              Normal
  11/03/2026 10 PM PST            1.97            231         0              Normal
  11/03/2026 11 PM PST            1.96            229         -              Normal
  11/04/2026 12 AM PST            1.96            229         0              Normal
  11/04/2026 01 AM PST            1.96            229         0              Normal
  11/04/2026 02 AM PST            1.95            228         -              Normal
  11/04/2026 03 AM PST            1.95            228         0              Normal
  11/04/2026 04 AM PST            1.95            228         0              Normal
  11/04/2026 05 AM PST            1.95            228         0              Normal
  11/04/2026 06 AM PST            1.94            226         -              Normal
  11/04/2026 07 AM PST            1.94            226         0              Normal
  11/04/2026 08 AM PST            1.94            226         0              Normal
  11/04/2026 09 AM PST            1.93            224         -              Normal
  11/04/2026 10 AM PST            1.93            224         0              Normal
  11/04/2026 11 AM PST            1.94            226         +              Normal
  11/04/2026 12 PM PST            1.93            224         -              Normal
  11/04/2026 01 PM PST            1.93            224         0              Normal
  11/04/2026 02 PM PST            1.92            222         -              Normal
  11/04/2026 03 PM PST            1.92            222         0              Normal
  11/04/2026 04 PM PST            1.92            222         0              Normal
  11/04/2026 05 PM PST            1.91            220         -              Normal
  11/04/2026 06 PM PST            1.91            220         0              Normal
  11/04/2026 07 PM PST            1.91            220         0              Normal
  11/04/2026 08 PM PST            1.91            220         0              Normal
  11/04/2026 09 PM PST            1.91            220         0              Normal
  11/04/2026 10 PM PST            1.91            220         0              Normal
  11/04/2026 11 PM PST            1.91            220         0              Normal
  11/05/2026 12 AM PST            1.92            222         +              Normal
  11/05/2026 01 AM PST            1.92            222         0              Normal
  11/05/2026 02 AM PST            1.92            222         0              Normal
  11/05/2026 03 AM PST            1.92            222         0              Normal
  11/05/2026 04 AM PST            1.93            224         +              Normal
  11/05/2026 05 AM PST            1.92            222         -              Normal
  11/05/2026 06 AM PST            1.92            222         0              Normal
  11/05/2026 07 AM PST            1.93            224         +              Normal
  11/05/2026 08 AM PST            1.92            222         -              Normal
  11/05/2026 09 AM PST            1.92            222         0              Normal
  11/05/2026 10 AM PST            1.92            222         0              Normal
  11/05/2026 11 AM PST            1.92            222         0              Normal
  11/05/2026 12 PM PST            1.92            222         0              Normal
  11/05/2026 01 PM PST            1.92            222         0              Normal
  11/05/2026 02 PM PST            1.91            220         -              Normal
  11/05/2026 03 PM PST            1.90            219         -              Normal
  11/05/2026 04 PM PST            1.90            219         0              Normal
  11/05/2026 05 PM PST            1.90            219         0              Normal
  11/05/2026 06 PM PST            1.89            217         -              Normal
  11/05/2026 07 PM PST            1.89            217         0              Normal
  11/05/2026 08 PM PST            1.89            217         0              Normal
  11/05/2026 09 PM PST            1.89            217         0              Normal
  11/05/2026 10 PM PST            1.88            215         -              Normal
  11/05/2026 11 PM PST            1.87            213         -              Normal
  11/06/2026 12 AM PST            1.87            213         0              Normal
  11/06/2026 01 AM PST            1.87            213         0              Normal
  11/06/2026 02 AM PST            1.87            213         0              Normal
  11/06/2026 03 AM PST            1.87            213         0              Normal
  11/06/2026 04 AM PST            1.87            213         0              Normal
  11/06/2026 05 AM PST            1.86            212         -              Normal
  11/06/2026 06 AM PST            1.86            212         0              Normal
  11/06/2026 07 AM PST            1.86            212         0              Normal
  11/06/2026 08 AM PST            1.86            212         0              Normal
  11/06/2026 09 AM PST            1.85            210         -              Normal
  11/06/2026 10 AM PST            1.85            210         0              Normal
  11/06/2026 11 AM PST            1.85            210         0              Normal
  11/06/2026 12 PM PST            1.85            210         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/06/2026 01 PM PST            1.84            208                        Normal
  11/06/2026 02 PM PST            1.84            208         0              Normal
  11/06/2026 03 PM PST            1.84            208         0              Normal
  11/06/2026 04 PM PST            1.84            208         0              Normal
  11/06/2026 05 PM PST            1.83            207         -              Normal
  11/06/2026 06 PM PST            1.83            207         0              Normal
  11/06/2026 07 PM PST            1.83            207         0              Normal
  11/06/2026 08 PM PST            1.83            207         0              Normal
  11/06/2026 09 PM PST            1.83            207         0              Normal
  11/06/2026 10 PM PST            1.83            207         0              Normal
  11/06/2026 11 PM PST            1.83            207         0              Normal
  11/07/2026 12 AM PST            1.82            205         -              Normal
  11/07/2026 01 AM PST            1.82            205         0              Normal
  11/07/2026 02 AM PST            1.82            205         0              Normal
  11/07/2026 03 AM PST            1.82            205         0              Normal
  11/07/2026 04 AM PST            1.82            205         0              Normal
  11/07/2026 05 AM PST            1.82            205         0              Normal
  11/07/2026 06 AM PST            1.82            205         0              Normal
  11/07/2026 07 AM PST            1.82            205         0              Normal
  11/07/2026 08 AM PST            1.82            205         0              Normal
  11/07/2026 09 AM PST            1.82            205         0              Normal
  11/07/2026 10 AM PST            1.83            207         +              Normal
  11/07/2026 11 AM PST            1.83            207         0              Normal
  11/07/2026 12 PM PST            1.83            207         0              Normal
  11/07/2026 01 PM PST            1.83            207         0              Normal
  11/07/2026 02 PM PST            1.83            207         0              Normal
  11/07/2026 03 PM PST            1.83            207         0              Normal
  11/07/2026 04 PM PST            1.83            207         0              Normal
  11/07/2026 05 PM PST            1.83            207         0              Normal
  11/07/2026 06 PM PST            1.83            207         0              Normal
  11/07/2026 07 PM PST            1.83            207         0              Normal
  11/07/2026 08 PM PST            1.83            207         0              Normal
  11/07/2026 09 PM PST            1.83            207         0              Normal
  11/07/2026 10 PM PST            1.83            207         0              Normal
  11/07/2026 11 PM PST            1.83            207         0              Normal
  11/08/2026 12 AM PST            1.83            207         0              Normal
  11/08/2026 01 AM PST            1.83            207         0              Normal
  11/08/2026 02 AM PST            1.83            207         0              Normal
  11/08/2026 03 AM PST            1.83            207         0              Normal
  11/08/2026 04 AM PST            1.83            207         0              Normal
  11/08/2026 05 AM PST            1.83            207         0              Normal
  11/08/2026 06 AM PST            1.83            207         0              Normal
  11/08/2026 07 AM PST            1.83            207         0              Normal
  11/08/2026 08 AM PST            1.83            207         0              Normal
  11/08/2026 09 AM PST            1.83            207         0              Normal
  11/08/2026 10 AM PST            1.83            207         0              Normal
  11/08/2026 11 AM PST            1.83            207         0              Normal
  11/08/2026 12 PM PST            1.83            207         0              Normal
  11/08/2026 01 PM PST            1.83            207         0              Normal
  11/08/2026 02 PM PST            1.83            207         0              Normal
  11/08/2026 03 PM PST            1.83            207         0              Normal
  11/08/2026 04 PM PST            1.83            207         0              Normal
  11/08/2026 05 PM PST            1.83            207         0              Normal
  11/08/2026 06 PM PST            1.83            207         0              Normal
  11/08/2026 07 PM PST            1.83            207         0              Normal
  11/08/2026 08 PM PST            1.83            207         0              Normal
  11/08/2026 09 PM PST            1.83            207         0              Normal
  11/08/2026 10 PM PST            1.83            207         0              Normal
  11/08/2026 11 PM PST            1.83            207         0              Normal
  11/09/2026 12 AM PST            1.83            207         0              Normal
  11/09/2026 01 AM PST            1.83            207         0              Normal
  11/09/2026 02 AM PST            1.83            207         0              Normal
  11/09/2026 03 AM PST            1.83            207         0              Normal
  11/09/2026 04 AM PST            1.83            207         0              Normal
  11/09/2026 05 AM PST            1.83            207         0              Normal
  11/09/2026 06 AM PST            1.83            207         0              Normal
  11/09/2026 07 AM PST            1.83            207         0              Normal
  11/09/2026 08 AM PST            1.83            207         0              Normal
  11/09/2026 09 AM PST            1.83            207         0              Normal
  11/09/2026 10 AM PST            1.83            207         0              Normal
  11/09/2026 11 AM PST            1.83            207         0              Normal
  11/09/2026 12 PM PST            1.83            207         0              Normal
  11/09/2026 01 PM PST            1.83            207         0              Normal
  11/09/2026 02 PM PST            1.83            207         0              Normal
  11/09/2026 03 PM PST            1.83            207         0              Normal
  11/09/2026 04 PM PST            1.83            207         0              Normal
  11/09/2026 05 PM PST            1.83            207         0              Normal
  11/09/2026 06 PM PST            1.83            207         0              Normal
  11/09/2026 07 PM PST            1.83            207         0              Normal
  11/09/2026 08 PM PST            1.83            207         0              Normal
  11/09/2026 09 PM PST            1.83            207         0              Normal
  11/09/2026 10 PM PST            1.83            207         0              Normal
  11/09/2026 11 PM PST            1.83            207         0              Normal
  11/10/2026 12 AM PST            1.83            207         0              Normal
  11/10/2026 01 AM PST            1.83            207         0              Normal
  11/10/2026 02 AM PST            1.83            207         0              Normal
  11/10/2026 03 AM PST            1.83            207         0              Normal
  11/10/2026 04 AM PST            1.83            207         0              Normal
  11/10/2026 05 AM PST            1.83            207         0              Normal
  11/10/2026 06 AM PST            1.83            207         0              Normal
  11/10/2026 07 AM PST            1.83            207         0              Normal
  11/10/2026 08 AM PST            1.83            207         0              Normal
  11/10/2026 09 AM PST            1.83            207         0              Normal
  11/10/2026 10 AM PST            1.83            207         0              Normal
  11/10/2026 11 AM PST            1.83            207         0              Normal
  11/10/2026 12 PM PST            1.83            207         0              Normal
  11/10/2026 01 PM PST            1.83            207         0              Normal
  11/10/2026 02 PM PST            1.83            207         0              Normal
  11/10/2026 03 PM PST            1.83            207         0              Normal
  11/10/2026 04 PM PST            1.83            207         0              Normal
  11/10/2026 05 PM PST            1.84            208         +              Normal
  11/10/2026 06 PM PST            1.84            208         0              Normal
  11/10/2026 07 PM PST            1.83            207         -              Normal
  11/10/2026 08 PM PST            1.83            207         0              Normal
  11/10/2026 09 PM PST            1.83            207         0              Normal
  11/10/2026 10 PM PST            1.83            207         0              Normal
  11/10/2026 11 PM PST            1.83            207         0              Normal
  11/11/2026 12 AM PST            1.83            207         0              Normal
  11/11/2026 01 AM PST            1.83            207         0              Normal
  11/11/2026 02 AM PST            1.83            207         0              Normal
  11/11/2026 03 AM PST            1.83            207         0              Normal
  11/11/2026 04 AM PST            1.83            207         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.