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 12 2026 at 1:22 PM PSTNext Issuance: Nov 13 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:  11/12/2026 at 01:23 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/08/2026 at 01:00 PM PST
# Maximum Observed Stage:                       1.82 Feet
# Maximum Observed Flow:                        205 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/16/2026 at 05:00 PM PST
# Maximum Forecast Stage:                       2.42 Feet
# Maximum Forecast Flow:                        322 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/07/2026 01 PM PST            1.82            205                        Normal
  11/07/2026 02 PM PST            1.81            203         -              Normal
  11/07/2026 03 PM PST            1.81            203         0              Normal
  11/07/2026 04 PM PST            1.81            203         0              Normal
  11/07/2026 05 PM PST            1.81            203         0              Normal
  11/07/2026 06 PM PST            1.81            203         0              Normal
  11/07/2026 07 PM PST            1.81            203         0              Normal
  11/07/2026 08 PM PST            1.81            203         0              Normal
  11/07/2026 09 PM PST            1.81            203         0              Normal
  11/07/2026 10 PM PST            1.81            203         0              Normal
  11/07/2026 11 PM PST            1.81            203         0              Normal
  11/08/2026 12 AM PST            1.81            203         0              Normal
  11/08/2026 01 AM PST            1.81            203         0              Normal
  11/08/2026 02 AM PST            1.81            203         0              Normal
  11/08/2026 03 AM PST            1.81            203         0              Normal
  11/08/2026 04 AM PST            1.81            203         0              Normal
  11/08/2026 05 AM PST            1.81            203         0              Normal
  11/08/2026 06 AM PST            1.81            203         0              Normal
  11/08/2026 07 AM PST            1.81            203         0              Normal
  11/08/2026 08 AM PST            1.81            203         0              Normal
  11/08/2026 09 AM PST            1.81            203         0              Normal
  11/08/2026 10 AM PST            1.81            203         0              Normal
  11/08/2026 11 AM PST            1.82            205         +              Normal
  11/08/2026 12 PM PST            1.82            205         0              Normal
  11/08/2026 01 PM PST            1.82            205         0              Normal
  11/08/2026 02 PM PST            1.81            203         -              Normal
  11/08/2026 03 PM PST            1.81            203         0              Normal
  11/08/2026 04 PM PST            1.81            203         0              Normal
  11/08/2026 05 PM PST            1.80            202         -              Normal
  11/08/2026 06 PM PST            1.80            202         0              Normal
  11/08/2026 07 PM PST            1.80            202         0              Normal
  11/08/2026 08 PM PST            1.80            202         0              Normal
  11/08/2026 09 PM PST            1.80            202         0              Normal
  11/08/2026 10 PM PST            1.80            202         0              Normal
  11/08/2026 11 PM PST            1.79            200         -              Normal
  11/09/2026 12 AM PST            1.79            200         0              Normal
  11/09/2026 01 AM PST            1.79            200         0              Normal
  11/09/2026 02 AM PST            1.79            200         0              Normal
  11/09/2026 03 AM PST            1.79            200         0              Normal
  11/09/2026 04 AM PST            1.79            200         0              Normal
  11/09/2026 05 AM PST            1.79            200         0              Normal
  11/09/2026 06 AM PST            1.79            200         0              Normal
  11/09/2026 07 AM PST            1.79            200         0              Normal
  11/09/2026 08 AM PST            1.79            200         0              Normal
  11/09/2026 09 AM PST            1.79            200         0              Normal
  11/09/2026 10 AM PST            1.78            198         -              Normal
  11/09/2026 11 AM PST            1.79            200         +              Normal
  11/09/2026 12 PM PST            1.78            198         -              Normal
  11/09/2026 01 PM PST            1.78            198         0              Normal
  11/09/2026 02 PM PST            1.78            198         0              Normal
  11/09/2026 03 PM PST            1.77            197         -              Normal
  11/09/2026 04 PM PST            1.77            197         0              Normal
  11/09/2026 05 PM PST            1.77            197         0              Normal
  11/09/2026 06 PM PST            1.76            195         -              Normal
  11/09/2026 07 PM PST            1.76            195         0              Normal
  11/09/2026 08 PM PST            1.76            195         0              Normal
  11/09/2026 09 PM PST            1.77            197         +              Normal
  11/09/2026 10 PM PST            1.77            197         0              Normal
  11/09/2026 11 PM PST            1.77            197         0              Normal
  11/10/2026 12 AM PST            1.76            195         -              Normal
  11/10/2026 01 AM PST            1.77            197         +              Normal
  11/10/2026 02 AM PST            1.77            197         0              Normal
  11/10/2026 03 AM PST            1.76            195         -              Normal
  11/10/2026 04 AM PST            1.76            195         0              Normal
  11/10/2026 05 AM PST            1.76            195         0              Normal
  11/10/2026 06 AM PST            1.76            195         0              Normal
  11/10/2026 07 AM PST            1.76            195         0              Normal
  11/10/2026 08 AM PST            1.76            195         0              Normal
  11/10/2026 09 AM PST            1.76            195         0              Normal
  11/10/2026 10 AM PST            1.76            195         0              Normal
  11/10/2026 11 AM PST            1.76            195         0              Normal
  11/10/2026 12 PM PST            1.76            195         0              Normal
  11/10/2026 01 PM PST            1.76            195         0              Normal
  11/10/2026 02 PM PST            1.75            193         -              Normal
  11/10/2026 03 PM PST            1.74            192         -              Normal
  11/10/2026 04 PM PST            1.74            192         0              Normal
  11/10/2026 05 PM PST            1.73            190         -              Normal
  11/10/2026 06 PM PST            1.73            190         0              Normal
  11/10/2026 07 PM PST            1.73            190         0              Normal
  11/10/2026 08 PM PST            1.72            188         -              Normal
  11/10/2026 09 PM PST            1.72            188         0              Normal
  11/10/2026 10 PM PST            1.72            188         0              Normal
  11/10/2026 11 PM PST            1.72            188         0              Normal
  11/11/2026 12 AM PST            1.71            187         -              Normal
  11/11/2026 01 AM PST            1.71            187         0              Normal
  11/11/2026 02 AM PST            1.71            187         0              Normal
  11/11/2026 03 AM PST            1.71            187         0              Normal
  11/11/2026 04 AM PST            1.71            187         0              Normal
  11/11/2026 05 AM PST            1.70            185         -              Normal
  11/11/2026 06 AM PST            1.70            185         0              Normal
  11/11/2026 07 AM PST            1.70            185         0              Normal
  11/11/2026 08 AM PST            1.70            185         0              Normal
  11/11/2026 09 AM PST            1.70            185         0              Normal
  11/11/2026 10 AM PST            1.70            185         0              Normal
  11/11/2026 11 AM PST            1.70            185         0              Normal
  11/11/2026 12 PM PST            1.70            185         0              Normal
  11/11/2026 01 PM PST            1.69            184         -              Normal
  11/11/2026 02 PM PST            1.69            184         0              Normal
  11/11/2026 03 PM PST            1.68            182         -              Normal
  11/11/2026 04 PM PST            1.68            182         0              Normal
  11/11/2026 05 PM PST            1.68            182         0              Normal
  11/11/2026 06 PM PST            1.67            180         -              Normal
  11/11/2026 07 PM PST            1.68            182         +              Normal
  11/11/2026 08 PM PST            1.68            182         0              Normal
  11/11/2026 09 PM PST            1.67            180         -              Normal
  11/11/2026 10 PM PST            1.68            182         +              Normal
  11/11/2026 11 PM PST            1.67            180         -              Normal
  11/12/2026 12 AM PST            1.67            180         0              Normal
  11/12/2026 01 AM PST            1.67            180         0              Normal
  11/12/2026 02 AM PST            1.67            180         0              Normal
  11/12/2026 03 AM PST            1.67            180         0              Normal
  11/12/2026 04 AM PST            1.67            180         0              Normal
  11/12/2026 05 AM PST            1.67            180         0              Normal
  11/12/2026 06 AM PST            1.67            180         0              Normal
  11/12/2026 07 AM PST            1.67            180         0              Normal
  11/12/2026 08 AM PST            1.67            180         0              Normal
  11/12/2026 09 AM PST            1.67            180         0              Normal
  11/12/2026 10 AM PST            1.67            180         0              Normal
  11/12/2026 11 AM PST            1.67            180         0              Normal
  11/12/2026 12 PM PST            1.67            180         0              Normal
  11/12/2026 01 PM PST            1.67            180         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/12/2026 02 PM PST            1.66            179                        Normal
  11/12/2026 03 PM PST            1.66            179         0              Normal
  11/12/2026 04 PM PST            1.66            179         0              Normal
  11/12/2026 05 PM PST            1.66            179         0              Normal
  11/12/2026 06 PM PST            1.66            179         0              Normal
  11/12/2026 07 PM PST            1.66            179         0              Normal
  11/12/2026 08 PM PST            1.66            179         0              Normal
  11/12/2026 09 PM PST            1.66            179         0              Normal
  11/12/2026 10 PM PST            1.65            177         -              Normal
  11/12/2026 11 PM PST            1.65            177         0              Normal
  11/13/2026 12 AM PST            1.65            177         0              Normal
  11/13/2026 01 AM PST            1.65            177         0              Normal
  11/13/2026 02 AM PST            1.64            176         -              Normal
  11/13/2026 03 AM PST            1.64            176         0              Normal
  11/13/2026 04 AM PST            1.64            176         0              Normal
  11/13/2026 05 AM PST            1.64            176         0              Normal
  11/13/2026 06 AM PST            1.64            176         0              Normal
  11/13/2026 07 AM PST            1.64            176         0              Normal
  11/13/2026 08 AM PST            1.63            174         -              Normal
  11/13/2026 09 AM PST            1.63            174         0              Normal
  11/13/2026 10 AM PST            1.63            174         0              Normal
  11/13/2026 11 AM PST            1.63            174         0              Normal
  11/13/2026 12 PM PST            1.63            174         0              Normal
  11/13/2026 01 PM PST            1.63            174         0              Normal
  11/13/2026 02 PM PST            1.64            176         +              Normal
  11/13/2026 03 PM PST            1.65            177         +              Normal
  11/13/2026 04 PM PST            1.66            179         +              Normal
  11/13/2026 05 PM PST            1.68            182         +              Normal
  11/13/2026 06 PM PST            1.70            185         +              Normal
  11/13/2026 07 PM PST            1.72            188         +              Normal
  11/13/2026 08 PM PST            1.75            193         +              Normal
  11/13/2026 09 PM PST            1.78            198         +              Normal
  11/13/2026 10 PM PST            1.81            203         +              Normal
  11/13/2026 11 PM PST            1.85            210         +              Normal
  11/14/2026 12 AM PST            1.89            217         +              Normal
  11/14/2026 01 AM PST            1.92            222         +              Normal
  11/14/2026 02 AM PST            1.96            229         +              Normal
  11/14/2026 03 AM PST            1.99            235         +              Normal
  11/14/2026 04 AM PST            2.02            240         +              Normal
  11/14/2026 05 AM PST            2.05            246         +              Normal
  11/14/2026 06 AM PST            2.08            252         +              Normal
  11/14/2026 07 AM PST            2.10            256         +              Normal
  11/14/2026 08 AM PST            2.13            261         +              Normal
  11/14/2026 09 AM PST            2.15            265         +              Normal
  11/14/2026 10 AM PST            2.16            267         +              Normal
  11/14/2026 11 AM PST            2.18            271         +              Normal
  11/14/2026 12 PM PST            2.19            273         +              Normal
  11/14/2026 01 PM PST            2.20            275         +              Normal
  11/14/2026 02 PM PST            2.20            275         0              Normal
  11/14/2026 03 PM PST            2.20            275         0              Normal
  11/14/2026 04 PM PST            2.20            275         0              Normal
  11/14/2026 05 PM PST            2.20            275         0              Normal
  11/14/2026 06 PM PST            2.20            275         0              Normal
  11/14/2026 07 PM PST            2.20            275         0              Normal
  11/14/2026 08 PM PST            2.20            275         0              Normal
  11/14/2026 09 PM PST            2.20            275         0              Normal
  11/14/2026 10 PM PST            2.20            275         0              Normal
  11/14/2026 11 PM PST            2.20            275         0              Normal
  11/15/2026 12 AM PST            2.21            277         +              Normal
  11/15/2026 01 AM PST            2.21            277         0              Normal
  11/15/2026 02 AM PST            2.22            279         +              Normal
  11/15/2026 03 AM PST            2.22            279         0              Normal
  11/15/2026 04 AM PST            2.23            282         +              Normal
  11/15/2026 05 AM PST            2.23            282         0              Normal
  11/15/2026 06 AM PST            2.23            282         0              Normal
  11/15/2026 07 AM PST            2.24            284         +              Normal
  11/15/2026 08 AM PST            2.24            284         0              Normal
  11/15/2026 09 AM PST            2.23            282         -              Normal
  11/15/2026 10 AM PST            2.23            282         0              Normal
  11/15/2026 11 AM PST            2.23            282         0              Normal
  11/15/2026 12 PM PST            2.22            279         -              Normal
  11/15/2026 01 PM PST            2.22            279         0              Normal
  11/15/2026 02 PM PST            2.21            277         -              Normal
  11/15/2026 03 PM PST            2.20            275         -              Normal
  11/15/2026 04 PM PST            2.19            273         -              Normal
  11/15/2026 05 PM PST            2.19            273         0              Normal
  11/15/2026 06 PM PST            2.18            271         -              Normal
  11/15/2026 07 PM PST            2.17            269         -              Normal
  11/15/2026 08 PM PST            2.17            269         0              Normal
  11/15/2026 09 PM PST            2.17            269         0              Normal
  11/15/2026 10 PM PST            2.17            269         0              Normal
  11/15/2026 11 PM PST            2.17            269         0              Normal
  11/16/2026 12 AM PST            2.18            271         +              Normal
  11/16/2026 01 AM PST            2.19            273         +              Normal
  11/16/2026 02 AM PST            2.20            275         +              Normal
  11/16/2026 03 AM PST            2.22            279         +              Normal
  11/16/2026 04 AM PST            2.23            282         +              Normal
  11/16/2026 05 AM PST            2.25            286         +              Normal
  11/16/2026 06 AM PST            2.27            290         +              Normal
  11/16/2026 07 AM PST            2.29            294         +              Normal
  11/16/2026 08 AM PST            2.31            298         +              Normal
  11/16/2026 09 AM PST            2.33            302         +              Normal
  11/16/2026 10 AM PST            2.34            305         +              Normal
  11/16/2026 11 AM PST            2.36            309         +              Normal
  11/16/2026 12 PM PST            2.37            311         +              Normal
  11/16/2026 01 PM PST            2.38            313         +              Normal
  11/16/2026 02 PM PST            2.39            315         +              Normal
  11/16/2026 03 PM PST            2.40            318         +              Normal
  11/16/2026 04 PM PST            2.40            318         0              Normal
  11/16/2026 05 PM PST            2.42            322         +              Normal
  11/16/2026 06 PM PST            2.42            322         0              Normal
  11/16/2026 07 PM PST            2.41            320         -              Normal
  11/16/2026 08 PM PST            2.41            320         0              Normal
  11/16/2026 09 PM PST            2.41            320         0              Normal
  11/16/2026 10 PM PST            2.40            318         -              Normal
  11/16/2026 11 PM PST            2.40            318         0              Normal
  11/17/2026 12 AM PST            2.39            315         -              Normal
  11/17/2026 01 AM PST            2.39            315         0              Normal
  11/17/2026 02 AM PST            2.38            313         -              Normal
  11/17/2026 03 AM PST            2.38            313         0              Normal
  11/17/2026 04 AM PST            2.37            311         -              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.