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RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
| Latitude: 38.51º N | Longitude: 122.93º W | Elevation: 20 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Jun 10 2026 at 7:13 AM PDT | Next Issuance: | Jun 11 2026 at 9:00 AM PDT
| |
| Action/Monitor: 31.0 Feet | Minor Flood: 34.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time: 06/10/2026 at 07:14 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/05/2026 at 02:00 PM PDT
# Maximum Observed Stage: 1.62 Feet
# Maximum Observed Flow: 172 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/10/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 1.45 Feet
# Maximum Forecast Flow: 150 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/05/2026 07 AM PDT 1.62 172 Normal
06/05/2026 08 AM PDT 1.62 172 0 Normal
06/05/2026 09 AM PDT 1.62 172 0 Normal
06/05/2026 10 AM PDT 1.62 172 0 Normal
06/05/2026 11 AM PDT 1.62 172 0 Normal
06/05/2026 12 PM PDT 1.62 172 0 Normal
06/05/2026 01 PM PDT 1.61 170 - Normal
06/05/2026 02 PM PDT 1.62 172 + Normal
06/05/2026 03 PM PDT 1.61 170 - Normal
06/05/2026 04 PM PDT 1.61 170 0 Normal
06/05/2026 05 PM PDT 1.61 170 0 Normal
06/05/2026 06 PM PDT 1.60 169 - Normal
06/05/2026 07 PM PDT 1.60 169 0 Normal
06/05/2026 08 PM PDT 1.60 169 0 Normal
06/05/2026 09 PM PDT 1.60 169 0 Normal
06/05/2026 10 PM PDT 1.60 169 0 Normal
06/05/2026 11 PM PDT 1.59 168 - Normal
06/06/2026 12 AM PDT 1.59 168 0 Normal
06/06/2026 01 AM PDT 1.58 166 - Normal
06/06/2026 02 AM PDT 1.58 166 0 Normal
06/06/2026 03 AM PDT 1.57 165 - Normal
06/06/2026 04 AM PDT 1.57 165 0 Normal
06/06/2026 05 AM PDT 1.57 165 0 Normal
06/06/2026 06 AM PDT 1.56 164 - Normal
06/06/2026 07 AM PDT 1.56 164 0 Normal
06/06/2026 08 AM PDT 1.56 164 0 Normal
06/06/2026 09 AM PDT 1.56 164 0 Normal
06/06/2026 10 AM PDT 1.56 164 0 Normal
06/06/2026 11 AM PDT 1.56 164 0 Normal
06/06/2026 12 PM PDT 1.56 164 0 Normal
06/06/2026 01 PM PDT 1.56 164 0 Normal
06/06/2026 02 PM PDT 1.56 164 0 Normal
06/06/2026 03 PM PDT 1.57 165 + Normal
06/06/2026 04 PM PDT 1.56 164 - Normal
06/06/2026 05 PM PDT 1.56 164 0 Normal
06/06/2026 06 PM PDT 1.56 164 0 Normal
06/06/2026 07 PM PDT 1.55 163 - Normal
06/06/2026 08 PM PDT 1.55 163 0 Normal
06/06/2026 09 PM PDT 1.55 163 0 Normal
06/06/2026 10 PM PDT 1.55 163 0 Normal
06/06/2026 11 PM PDT 1.55 163 0 Normal
06/07/2026 12 AM PDT 1.54 161 - Normal
06/07/2026 01 AM PDT 1.54 161 0 Normal
06/07/2026 02 AM PDT 1.54 161 0 Normal
06/07/2026 03 AM PDT 1.55 163 + Normal
06/07/2026 04 AM PDT 1.55 163 0 Normal
06/07/2026 05 AM PDT 1.55 163 0 Normal
06/07/2026 06 AM PDT 1.55 163 0 Normal
06/07/2026 07 AM PDT 1.55 163 0 Normal
06/07/2026 08 AM PDT 1.55 163 0 Normal
06/07/2026 09 AM PDT 1.55 163 0 Normal
06/07/2026 10 AM PDT 1.55 163 0 Normal
06/07/2026 11 AM PDT 1.55 163 0 Normal
06/07/2026 12 PM PDT 1.55 163 0 Normal
06/07/2026 01 PM PDT 1.55 163 0 Normal
06/07/2026 02 PM PDT 1.55 163 0 Normal
06/07/2026 03 PM PDT 1.55 163 0 Normal
06/07/2026 04 PM PDT 1.55 163 0 Normal
06/07/2026 05 PM PDT 1.55 163 0 Normal
06/07/2026 06 PM PDT 1.55 163 0 Normal
06/07/2026 07 PM PDT 1.55 163 0 Normal
06/07/2026 08 PM PDT 1.55 163 0 Normal
06/07/2026 09 PM PDT 1.55 163 0 Normal
06/07/2026 10 PM PDT 1.55 163 0 Normal
06/07/2026 11 PM PDT 1.55 163 0 Normal
06/08/2026 12 AM PDT 1.55 163 0 Normal
06/08/2026 01 AM PDT 1.55 163 0 Normal
06/08/2026 02 AM PDT 1.55 163 0 Normal
06/08/2026 03 AM PDT 1.55 163 0 Normal
06/08/2026 04 AM PDT 1.55 163 0 Normal
06/08/2026 05 AM PDT 1.55 163 0 Normal
06/08/2026 06 AM PDT 1.55 163 0 Normal
06/08/2026 07 AM PDT 1.54 161 - Normal
06/08/2026 08 AM PDT 1.54 161 0 Normal
06/08/2026 09 AM PDT 1.55 163 + Normal
06/08/2026 10 AM PDT 1.55 163 0 Normal
06/08/2026 11 AM PDT 1.55 163 0 Normal
06/08/2026 12 PM PDT 1.55 163 0 Normal
06/08/2026 01 PM PDT 1.55 163 0 Normal
06/08/2026 02 PM PDT 1.55 163 0 Normal
06/08/2026 03 PM PDT 1.55 163 0 Normal
06/08/2026 04 PM PDT 1.54 161 - Normal
06/08/2026 05 PM PDT 1.54 161 0 Normal
06/08/2026 06 PM PDT 1.54 161 0 Normal
06/08/2026 07 PM PDT 1.54 161 0 Normal
06/08/2026 08 PM PDT 1.53 160 - Normal
06/08/2026 09 PM PDT 1.53 160 0 Normal
06/08/2026 10 PM PDT 1.53 160 0 Normal
06/08/2026 11 PM PDT 1.53 160 0 Normal
06/09/2026 12 AM PDT 1.53 160 0 Normal
06/09/2026 01 AM PDT 1.52 159 - Normal
06/09/2026 02 AM PDT 1.52 159 0 Normal
06/09/2026 03 AM PDT 1.52 159 0 Normal
06/09/2026 04 AM PDT 1.52 159 0 Normal
06/09/2026 05 AM PDT 1.52 159 0 Normal
06/09/2026 06 AM PDT 1.51 158 - Normal
06/09/2026 07 AM PDT 1.52 159 + Normal
06/09/2026 08 AM PDT 1.52 159 0 Normal
06/09/2026 09 AM PDT 1.52 159 0 Normal
06/09/2026 10 AM PDT 1.52 159 0 Normal
06/09/2026 11 AM PDT 1.52 159 0 Normal
06/09/2026 12 PM PDT 1.52 159 0 Normal
06/09/2026 01 PM PDT 1.51 158 - Normal
06/09/2026 02 PM PDT 1.51 158 0 Normal
06/09/2026 03 PM PDT 1.51 158 0 Normal
06/09/2026 04 PM PDT 1.50 156 - Normal
06/09/2026 05 PM PDT 1.50 156 0 Normal
06/09/2026 06 PM PDT 1.50 156 0 Normal
06/09/2026 07 PM PDT 1.50 156 0 Normal
06/09/2026 08 PM PDT 1.49 155 - Normal
06/09/2026 09 PM PDT 1.49 155 0 Normal
06/09/2026 10 PM PDT 1.49 155 0 Normal
06/09/2026 11 PM PDT 1.48 154 - Normal
06/10/2026 12 AM PDT 1.48 154 0 Normal
06/10/2026 01 AM PDT 1.48 154 0 Normal
06/10/2026 02 AM PDT 1.47 153 - Normal
06/10/2026 03 AM PDT 1.47 153 0 Normal
06/10/2026 04 AM PDT 1.47 153 0 Normal
06/10/2026 05 AM PDT 1.46 151 - Normal
06/10/2026 06 AM PDT 1.46 151 0 Normal
06/10/2026 07 AM PDT 1.45 150 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/10/2026 08 AM PDT 1.45 150 Normal
06/10/2026 09 AM PDT 1.44 149 - Normal
06/10/2026 10 AM PDT 1.44 149 0 Normal
06/10/2026 11 AM PDT 1.43 148 - Normal
06/10/2026 12 PM PDT 1.43 148 0 Normal
06/10/2026 01 PM PDT 1.43 148 0 Normal
06/10/2026 02 PM PDT 1.43 148 0 Normal
06/10/2026 03 PM PDT 1.43 148 0 Normal
06/10/2026 04 PM PDT 1.42 147 - Normal
06/10/2026 05 PM PDT 1.42 147 0 Normal
06/10/2026 06 PM PDT 1.41 145 - Normal
06/10/2026 07 PM PDT 1.41 145 0 Normal
06/10/2026 08 PM PDT 1.40 144 - Normal
06/10/2026 09 PM PDT 1.40 144 0 Normal
06/10/2026 10 PM PDT 1.40 144 0 Normal
06/10/2026 11 PM PDT 1.39 143 - Normal
06/11/2026 12 AM PDT 1.39 143 0 Normal
06/11/2026 01 AM PDT 1.38 142 - Normal
06/11/2026 02 AM PDT 1.38 142 0 Normal
06/11/2026 03 AM PDT 1.38 142 0 Normal
06/11/2026 04 AM PDT 1.37 141 - Normal
06/11/2026 05 AM PDT 1.37 141 0 Normal
06/11/2026 06 AM PDT 1.37 141 0 Normal
06/11/2026 07 AM PDT 1.37 141 0 Normal
06/11/2026 08 AM PDT 1.37 141 0 Normal
06/11/2026 09 AM PDT 1.37 141 0 Normal
06/11/2026 10 AM PDT 1.37 141 0 Normal
06/11/2026 11 AM PDT 1.37 141 0 Normal
06/11/2026 12 PM PDT 1.37 141 0 Normal
06/11/2026 01 PM PDT 1.37 141 0 Normal
06/11/2026 02 PM PDT 1.37 141 0 Normal
06/11/2026 03 PM PDT 1.37 141 0 Normal
06/11/2026 04 PM PDT 1.37 141 0 Normal
06/11/2026 05 PM PDT 1.37 141 0 Normal
06/11/2026 06 PM PDT 1.36 139 - Normal
06/11/2026 07 PM PDT 1.36 139 0 Normal
06/11/2026 08 PM PDT 1.36 139 0 Normal
06/11/2026 09 PM PDT 1.36 139 0 Normal
06/11/2026 10 PM PDT 1.36 139 0 Normal
06/11/2026 11 PM PDT 1.36 139 0 Normal
06/12/2026 12 AM PDT 1.36 139 0 Normal
06/12/2026 01 AM PDT 1.36 139 0 Normal
06/12/2026 02 AM PDT 1.36 139 0 Normal
06/12/2026 03 AM PDT 1.36 139 0 Normal
06/12/2026 04 AM PDT 1.36 139 0 Normal
06/12/2026 05 AM PDT 1.36 139 0 Normal
06/12/2026 06 AM PDT 1.36 139 0 Normal
06/12/2026 07 AM PDT 1.36 139 0 Normal
06/12/2026 08 AM PDT 1.36 139 0 Normal
06/12/2026 09 AM PDT 1.35 138 - Normal
06/12/2026 10 AM PDT 1.35 138 0 Normal
06/12/2026 11 AM PDT 1.35 138 0 Normal
06/12/2026 12 PM PDT 1.35 138 0 Normal
06/12/2026 01 PM PDT 1.35 138 0 Normal
06/12/2026 02 PM PDT 1.35 138 0 Normal
06/12/2026 03 PM PDT 1.35 138 0 Normal
06/12/2026 04 PM PDT 1.35 138 0 Normal
06/12/2026 05 PM PDT 1.34 137 - Normal
06/12/2026 06 PM PDT 1.34 137 0 Normal
06/12/2026 07 PM PDT 1.34 137 0 Normal
06/12/2026 08 PM PDT 1.34 137 0 Normal
06/12/2026 09 PM PDT 1.34 137 0 Normal
06/12/2026 10 PM PDT 1.33 136 - Normal
06/12/2026 11 PM PDT 1.33 136 0 Normal
06/13/2026 12 AM PDT 1.33 136 0 Normal
06/13/2026 01 AM PDT 1.33 136 0 Normal
06/13/2026 02 AM PDT 1.33 136 0 Normal
06/13/2026 03 AM PDT 1.33 136 0 Normal
06/13/2026 04 AM PDT 1.33 136 0 Normal
06/13/2026 05 AM PDT 1.33 136 0 Normal
06/13/2026 06 AM PDT 1.32 135 - Normal
06/13/2026 07 AM PDT 1.32 135 0 Normal
06/13/2026 08 AM PDT 1.32 135 0 Normal
06/13/2026 09 AM PDT 1.32 135 0 Normal
06/13/2026 10 AM PDT 1.32 135 0 Normal
06/13/2026 11 AM PDT 1.32 135 0 Normal
06/13/2026 12 PM PDT 1.32 135 0 Normal
06/13/2026 01 PM PDT 1.31 134 - Normal
06/13/2026 02 PM PDT 1.31 134 0 Normal
06/13/2026 03 PM PDT 1.31 134 0 Normal
06/13/2026 04 PM PDT 1.31 134 0 Normal
06/13/2026 05 PM PDT 1.31 134 0 Normal
06/13/2026 06 PM PDT 1.30 133 - Normal
06/13/2026 07 PM PDT 1.30 133 0 Normal
06/13/2026 08 PM PDT 1.30 133 0 Normal
06/13/2026 09 PM PDT 1.30 133 0 Normal
06/13/2026 10 PM PDT 1.30 133 0 Normal
06/13/2026 11 PM PDT 1.30 133 0 Normal
06/14/2026 12 AM PDT 1.30 133 0 Normal
06/14/2026 01 AM PDT 1.30 133 0 Normal
06/14/2026 02 AM PDT 1.30 133 0 Normal
06/14/2026 03 AM PDT 1.29 131 - Normal
06/14/2026 04 AM PDT 1.29 131 0 Normal
06/14/2026 05 AM PDT 1.29 131 0 Normal
06/14/2026 06 AM PDT 1.29 131 0 Normal
06/14/2026 07 AM PDT 1.29 131 0 Normal
06/14/2026 08 AM PDT 1.29 131 0 Normal
06/14/2026 09 AM PDT 1.29 131 0 Normal
06/14/2026 10 AM PDT 1.29 131 0 Normal
06/14/2026 11 AM PDT 1.28 130 - Normal
06/14/2026 12 PM PDT 1.28 130 0 Normal
06/14/2026 01 PM PDT 1.28 130 0 Normal
06/14/2026 02 PM PDT 1.28 130 0 Normal
06/14/2026 03 PM PDT 1.28 130 0 Normal
06/14/2026 04 PM PDT 1.28 130 0 Normal
06/14/2026 05 PM PDT 1.28 130 0 Normal
06/14/2026 06 PM PDT 1.27 129 - Normal
06/14/2026 07 PM PDT 1.27 129 0 Normal
06/14/2026 08 PM PDT 1.27 129 0 Normal
06/14/2026 09 PM PDT 1.27 129 0 Normal
06/14/2026 10 PM PDT 1.27 129 0 Normal
06/14/2026 11 PM PDT 1.27 129 0 Normal
06/15/2026 12 AM PDT 1.27 129 0 Normal
06/15/2026 01 AM PDT 1.27 129 0 Normal
06/15/2026 02 AM PDT 1.26 128 - Normal
06/15/2026 03 AM PDT 1.26 128 0 Normal
06/15/2026 04 AM PDT 1.26 128 0 Normal
06/15/2026 05 AM PDT 1.26 128 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.
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