National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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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: Jul 01 2025 at 7:37 AM PDTNext Issuance: Jul 02 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:  07/01/2025 at 07:39 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/26/2025 at 12:00 PM PDT
# Maximum Observed Stage:                       2.32 Feet
# Maximum Observed Flow:                        238 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/01/2025 at 03:00 PM PDT
# Maximum Forecast Stage:                       2.27 Feet
# Maximum Forecast Flow:                        228 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/26/2025 07 AM PDT            2.29            232                        Normal
  06/26/2025 08 AM PDT            2.30            234         +              Normal
  06/26/2025 09 AM PDT            2.31            236         +              Normal
  06/26/2025 10 AM PDT            2.32            238         +              Normal
  06/26/2025 11 AM PDT            2.32            238         0              Normal
  06/26/2025 12 PM PDT            2.32            238         0              Normal
  06/26/2025 01 PM PDT            2.30            234         -              Normal
  06/26/2025 02 PM PDT            2.27            228         -              Normal
  06/26/2025 03 PM PDT            2.22            218         -              Normal
  06/26/2025 04 PM PDT            2.15            204         -              Normal
  06/26/2025 05 PM PDT            2.08            191         -              Normal
  06/26/2025 06 PM PDT            2.02            180         -              Normal
  06/26/2025 07 PM PDT            1.97            171         -              Normal
  06/26/2025 08 PM PDT            1.94            166         -              Normal
  06/26/2025 09 PM PDT            1.95            168         +              Normal
  06/26/2025 10 PM PDT            1.97            171         +              Normal
  06/26/2025 11 PM PDT            2.01            178         +              Normal
  06/27/2025 12 AM PDT            2.05            185         +              Normal
  06/27/2025 01 AM PDT            2.08            191         +              Normal
  06/27/2025 02 AM PDT            2.11            197         +              Normal
  06/27/2025 03 AM PDT            2.14            202         +              Normal
  06/27/2025 04 AM PDT            2.16            206         +              Normal
  06/27/2025 05 AM PDT            2.18            210         +              Normal
  06/27/2025 06 AM PDT            2.19            212         +              Normal
  06/27/2025 07 AM PDT            2.20            214         +              Normal
  06/27/2025 08 AM PDT            2.22            218         +              Normal
  06/27/2025 09 AM PDT            2.23            220         +              Normal
  06/27/2025 10 AM PDT            2.24            222         +              Normal
  06/27/2025 11 AM PDT            2.24            222         0              Normal
  06/27/2025 12 PM PDT            2.23            220         -              Normal
  06/27/2025 01 PM PDT            2.19            212         -              Normal
  06/27/2025 02 PM PDT            2.13            200         -              Normal
  06/27/2025 03 PM PDT            2.06            187         -              Normal
  06/27/2025 04 PM PDT            1.98            173         -              Normal
  06/27/2025 05 PM PDT            1.92            162         -              Normal
  06/27/2025 06 PM PDT            1.87            154         -              Normal
  06/27/2025 07 PM PDT            1.82            146         -              Normal
  06/27/2025 08 PM PDT            1.79            141         -              Normal
  06/27/2025 09 PM PDT            1.78            139         -              Normal
  06/27/2025 10 PM PDT            1.79            141         +              Normal
  06/27/2025 11 PM PDT            1.82            146         +              Normal
  06/28/2025 12 AM PDT            1.85            151         +              Normal
  06/28/2025 01 AM PDT            1.89            157         +              Normal
  06/28/2025 02 AM PDT            1.92            162         +              Normal
  06/28/2025 03 AM PDT            1.94            166         +              Normal
  06/28/2025 04 AM PDT            1.97            171         +              Normal
  06/28/2025 05 AM PDT            2.00            176         +              Normal
  06/28/2025 06 AM PDT            2.03            182         +              Normal
  06/28/2025 07 AM PDT            2.05            185         +              Normal
  06/28/2025 08 AM PDT            2.07            189         +              Normal
  06/28/2025 09 AM PDT            2.09            193         +              Normal
  06/28/2025 10 AM PDT            2.11            197         +              Normal
  06/28/2025 11 AM PDT            2.13            200         +              Normal
  06/28/2025 12 PM PDT            2.14            202         +              Normal
  06/28/2025 01 PM PDT            2.15            204         +              Normal
  06/28/2025 02 PM PDT            2.16            206         +              Normal
  06/28/2025 03 PM PDT            2.16            206         0              Normal
  06/28/2025 04 PM PDT            2.18            210         +              Normal
  06/28/2025 05 PM PDT            2.18            210         0              Normal
  06/28/2025 06 PM PDT            2.19            212         +              Normal
  06/28/2025 07 PM PDT            2.18            210         -              Normal
  06/28/2025 08 PM PDT            2.18            210         0              Normal
  06/28/2025 09 PM PDT            2.18            210         0              Normal
  06/28/2025 10 PM PDT            2.18            210         0              Normal
  06/28/2025 11 PM PDT            2.18            210         0              Normal
  06/29/2025 12 AM PDT            2.18            210         0              Normal
  06/29/2025 01 AM PDT            2.18            210         0              Normal
  06/29/2025 02 AM PDT            2.18            210         0              Normal
  06/29/2025 03 AM PDT            2.19            212         +              Normal
  06/29/2025 04 AM PDT            2.19            212         0              Normal
  06/29/2025 05 AM PDT            2.19            212         0              Normal
  06/29/2025 06 AM PDT            2.19            212         0              Normal
  06/29/2025 07 AM PDT            2.20            214         +              Normal
  06/29/2025 08 AM PDT            2.20            214         0              Normal
  06/29/2025 09 AM PDT            2.20            214         0              Normal
  06/29/2025 10 AM PDT            2.21            216         +              Normal
  06/29/2025 11 AM PDT            2.20            214         -              Normal
  06/29/2025 12 PM PDT            2.20            214         0              Normal
  06/29/2025 01 PM PDT            2.20            214         0              Normal
  06/29/2025 02 PM PDT            2.22            218         +              Normal
  06/29/2025 03 PM PDT            2.21            216         -              Normal
  06/29/2025 04 PM PDT            2.22            218         +              Normal
  06/29/2025 05 PM PDT            2.21            216         -              Normal
  06/29/2025 06 PM PDT            2.21            216         0              Normal
  06/29/2025 07 PM PDT            2.20            214         -              Normal
  06/29/2025 08 PM PDT            2.21            216         +              Normal
  06/29/2025 09 PM PDT            2.19            212         -              Normal
  06/29/2025 10 PM PDT            2.19            212         0              Normal
  06/29/2025 11 PM PDT            2.18            210         -              Normal
  06/30/2025 12 AM PDT            2.17            208         -              Normal
  06/30/2025 01 AM PDT            2.17            208         0              Normal
  06/30/2025 02 AM PDT            2.17            208         0              Normal
  06/30/2025 03 AM PDT            2.17            208         0              Normal
  06/30/2025 04 AM PDT            2.17            208         0              Normal
  06/30/2025 05 AM PDT            2.17            208         0              Normal
  06/30/2025 06 AM PDT            2.17            208         0              Normal
  06/30/2025 07 AM PDT            2.17            208         0              Normal
  06/30/2025 08 AM PDT            2.18            210         +              Normal
  06/30/2025 09 AM PDT            2.18            210         0              Normal
  06/30/2025 10 AM PDT            2.18            210         0              Normal
  06/30/2025 11 AM PDT            2.18            210         0              Normal
  06/30/2025 12 PM PDT            2.18            210         0              Normal
  06/30/2025 01 PM PDT            2.15            204         -              Normal
  06/30/2025 02 PM PDT            2.10            195         -              Normal
  06/30/2025 03 PM PDT            2.00            176         -              Normal
  06/30/2025 04 PM PDT            1.91            161         -              Normal
  06/30/2025 05 PM PDT            1.85            151         -              Normal
  06/30/2025 06 PM PDT            1.82            146         -              Normal
  06/30/2025 07 PM PDT            1.82            146         0              Normal
  06/30/2025 08 PM PDT            1.86            152         +              Normal
  06/30/2025 09 PM PDT            1.89            157         +              Normal
  06/30/2025 10 PM PDT            1.93            164         +              Normal
  06/30/2025 11 PM PDT            1.96            169         +              Normal
  07/01/2025 12 AM PDT            1.98            173         +              Normal
  07/01/2025 01 AM PDT            2.01            178         +              Normal
  07/01/2025 02 AM PDT            2.03            182         +              Normal
  07/01/2025 03 AM PDT            2.04            184         +              Normal
  07/01/2025 04 AM PDT            2.05            185         +              Normal
  07/01/2025 05 AM PDT            2.06            187         +              Normal
  07/01/2025 06 AM PDT            2.07            189         +              Normal
  07/01/2025 07 AM PDT            2.12            198         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/01/2025 08 AM PDT            2.15            204                        Normal
  07/01/2025 09 AM PDT            2.18            210         +              Normal
  07/01/2025 10 AM PDT            2.20            214         +              Normal
  07/01/2025 11 AM PDT            2.22            218         +              Normal
  07/01/2025 12 PM PDT            2.24            222         +              Normal
  07/01/2025 01 PM PDT            2.25            224         +              Normal
  07/01/2025 02 PM PDT            2.26            226         +              Normal
  07/01/2025 03 PM PDT            2.27            228         +              Normal
  07/01/2025 04 PM PDT            2.27            228         0              Normal
  07/01/2025 05 PM PDT            2.27            228         0              Normal
  07/01/2025 06 PM PDT            2.27            228         0              Normal
  07/01/2025 07 PM PDT            2.27            228         0              Normal
  07/01/2025 08 PM PDT            2.26            226         -              Normal
  07/01/2025 09 PM PDT            2.26            226         0              Normal
  07/01/2025 10 PM PDT            2.26            226         0              Normal
  07/01/2025 11 PM PDT            2.26            226         0              Normal
  07/02/2025 12 AM PDT            2.26            226         0              Normal
  07/02/2025 01 AM PDT            2.25            224         -              Normal
  07/02/2025 02 AM PDT            2.25            224         0              Normal
  07/02/2025 03 AM PDT            2.25            224         0              Normal
  07/02/2025 04 AM PDT            2.25            224         0              Normal
  07/02/2025 05 AM PDT            2.24            222         -              Normal
  07/02/2025 06 AM PDT            2.24            222         0              Normal
  07/02/2025 07 AM PDT            2.24            222         0              Normal
  07/02/2025 08 AM PDT            2.24            222         0              Normal
  07/02/2025 09 AM PDT            2.24            222         0              Normal
  07/02/2025 10 AM PDT            2.23            220         -              Normal
  07/02/2025 11 AM PDT            2.23            220         0              Normal
  07/02/2025 12 PM PDT            2.23            220         0              Normal
  07/02/2025 01 PM PDT            2.23            220         0              Normal
  07/02/2025 02 PM PDT            2.23            220         0              Normal
  07/02/2025 03 PM PDT            2.23            220         0              Normal
  07/02/2025 04 PM PDT            2.23            220         0              Normal
  07/02/2025 05 PM PDT            2.22            218         -              Normal
  07/02/2025 06 PM PDT            2.22            218         0              Normal
  07/02/2025 07 PM PDT            2.21            216         -              Normal
  07/02/2025 08 PM PDT            2.21            216         0              Normal
  07/02/2025 09 PM PDT            2.21            216         0              Normal
  07/02/2025 10 PM PDT            2.21            216         0              Normal
  07/02/2025 11 PM PDT            2.21            216         0              Normal
  07/03/2025 12 AM PDT            2.21            216         0              Normal
  07/03/2025 01 AM PDT            2.21            216         0              Normal
  07/03/2025 02 AM PDT            2.21            216         0              Normal
  07/03/2025 03 AM PDT            2.21            216         0              Normal
  07/03/2025 04 AM PDT            2.21            216         0              Normal
  07/03/2025 05 AM PDT            2.21            216         0              Normal
  07/03/2025 06 AM PDT            2.21            216         0              Normal
  07/03/2025 07 AM PDT            2.21            216         0              Normal
  07/03/2025 08 AM PDT            2.20            214         -              Normal
  07/03/2025 09 AM PDT            2.20            214         0              Normal
  07/03/2025 10 AM PDT            2.20            214         0              Normal
  07/03/2025 11 AM PDT            2.20            214         0              Normal
  07/03/2025 12 PM PDT            2.20            214         0              Normal
  07/03/2025 01 PM PDT            2.20            214         0              Normal
  07/03/2025 02 PM PDT            2.20            214         0              Normal
  07/03/2025 03 PM PDT            2.20            214         0              Normal
  07/03/2025 04 PM PDT            2.20            214         0              Normal
  07/03/2025 05 PM PDT            2.20            214         0              Normal
  07/03/2025 06 PM PDT            2.19            212         -              Normal
  07/03/2025 07 PM PDT            2.19            212         0              Normal
  07/03/2025 08 PM PDT            2.19            212         0              Normal
  07/03/2025 09 PM PDT            2.19            212         0              Normal
  07/03/2025 10 PM PDT            2.19            212         0              Normal
  07/03/2025 11 PM PDT            2.19            212         0              Normal
  07/04/2025 12 AM PDT            2.19            212         0              Normal
  07/04/2025 01 AM PDT            2.19            212         0              Normal
  07/04/2025 02 AM PDT            2.19            212         0              Normal
  07/04/2025 03 AM PDT            2.19            212         0              Normal
  07/04/2025 04 AM PDT            2.19            212         0              Normal
  07/04/2025 05 AM PDT            2.19            212         0              Normal
  07/04/2025 06 AM PDT            2.18            210         -              Normal
  07/04/2025 07 AM PDT            2.18            210         0              Normal
  07/04/2025 08 AM PDT            2.18            210         0              Normal
  07/04/2025 09 AM PDT            2.18            210         0              Normal
  07/04/2025 10 AM PDT            2.18            210         0              Normal
  07/04/2025 11 AM PDT            2.18            210         0              Normal
  07/04/2025 12 PM PDT            2.18            210         0              Normal
  07/04/2025 01 PM PDT            2.18            210         0              Normal
  07/04/2025 02 PM PDT            2.18            210         0              Normal
  07/04/2025 03 PM PDT            2.18            210         0              Normal
  07/04/2025 04 PM PDT            2.18            210         0              Normal
  07/04/2025 05 PM PDT            2.18            210         0              Normal
  07/04/2025 06 PM PDT            2.17            208         -              Normal
  07/04/2025 07 PM PDT            2.17            208         0              Normal
  07/04/2025 08 PM PDT            2.17            208         0              Normal
  07/04/2025 09 PM PDT            2.17            208         0              Normal
  07/04/2025 10 PM PDT            2.17            208         0              Normal
  07/04/2025 11 PM PDT            2.17            208         0              Normal
  07/05/2025 12 AM PDT            2.17            208         0              Normal
  07/05/2025 01 AM PDT            2.17            208         0              Normal
  07/05/2025 02 AM PDT            2.17            208         0              Normal
  07/05/2025 03 AM PDT            2.17            208         0              Normal
  07/05/2025 04 AM PDT            2.17            208         0              Normal
  07/05/2025 05 AM PDT            2.16            206         -              Normal
  07/05/2025 06 AM PDT            2.16            206         0              Normal
  07/05/2025 07 AM PDT            2.16            206         0              Normal
  07/05/2025 08 AM PDT            2.16            206         0              Normal
  07/05/2025 09 AM PDT            2.16            206         0              Normal
  07/05/2025 10 AM PDT            2.16            206         0              Normal
  07/05/2025 11 AM PDT            2.16            206         0              Normal
  07/05/2025 12 PM PDT            2.16            206         0              Normal
  07/05/2025 01 PM PDT            2.16            206         0              Normal
  07/05/2025 02 PM PDT            2.16            206         0              Normal
  07/05/2025 03 PM PDT            2.16            206         0              Normal
  07/05/2025 04 PM PDT            2.16            206         0              Normal
  07/05/2025 05 PM PDT            2.16            206         0              Normal
  07/05/2025 06 PM PDT            2.15            204         -              Normal
  07/05/2025 07 PM PDT            2.15            204         0              Normal
  07/05/2025 08 PM PDT            2.15            204         0              Normal
  07/05/2025 09 PM PDT            2.15            204         0              Normal
  07/05/2025 10 PM PDT            2.15            204         0              Normal
  07/05/2025 11 PM PDT            2.15            204         0              Normal
  07/06/2025 12 AM PDT            2.15            204         0              Normal
  07/06/2025 01 AM PDT            2.15            204         0              Normal
  07/06/2025 02 AM PDT            2.15            204         0              Normal
  07/06/2025 03 AM PDT            2.14            202         -              Normal
  07/06/2025 04 AM PDT            2.14            202         0              Normal
  07/06/2025 05 AM PDT            2.14            202         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.