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RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
| Latitude: 38.51º N | Longitude: 122.93º W | Elevation: 20 Feet | | | |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Jul 18 2025 at 7:15 AM PDT | Next Issuance: | Jul 19 2025 at 9:00 AM PDT
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| 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: 07/18/2025 at 07:16 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/18/2025 at 07:00 AM PDT
# Maximum Observed Stage: 1.79 Feet
# Maximum Observed Flow: 172 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/18/2025 at 08:00 AM PDT
# Maximum Forecast Stage: 1.79 Feet
# Maximum Forecast Flow: 172 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/13/2025 07 AM PDT 1.74 165 Normal
07/13/2025 08 AM PDT 1.75 166 + Normal
07/13/2025 09 AM PDT 1.75 166 0 Normal
07/13/2025 10 AM PDT 1.75 166 0 Normal
07/13/2025 11 AM PDT 1.75 166 0 Normal
07/13/2025 12 PM PDT 1.76 168 + Normal
07/13/2025 01 PM PDT 1.76 168 0 Normal
07/13/2025 02 PM PDT 1.76 168 0 Normal
07/13/2025 03 PM PDT 1.77 169 + Normal
07/13/2025 04 PM PDT 1.77 169 0 Normal
07/13/2025 05 PM PDT 1.77 169 0 Normal
07/13/2025 06 PM PDT 1.77 169 0 Normal
07/13/2025 07 PM PDT 1.77 169 0 Normal
07/13/2025 08 PM PDT 1.78 170 + Normal
07/13/2025 09 PM PDT 1.77 169 - Normal
07/13/2025 10 PM PDT 1.77 169 0 Normal
07/13/2025 11 PM PDT 1.76 168 - Normal
07/14/2025 12 AM PDT 1.77 169 + Normal
07/14/2025 01 AM PDT 1.77 169 0 Normal
07/14/2025 02 AM PDT 1.77 169 0 Normal
07/14/2025 03 AM PDT 1.77 169 0 Normal
07/14/2025 04 AM PDT 1.77 169 0 Normal
07/14/2025 05 AM PDT 1.77 169 0 Normal
07/14/2025 06 AM PDT 1.77 169 0 Normal
07/14/2025 07 AM PDT 1.77 169 0 Normal
07/14/2025 08 AM PDT 1.78 170 + Normal
07/14/2025 09 AM PDT 1.78 170 0 Normal
07/14/2025 10 AM PDT 1.79 172 + Normal
07/14/2025 11 AM PDT 1.79 172 0 Normal
07/14/2025 12 PM PDT 1.79 172 0 Normal
07/14/2025 01 PM PDT 1.78 170 - Normal
07/14/2025 02 PM PDT 1.79 172 + Normal
07/14/2025 03 PM PDT 1.78 170 - Normal
07/14/2025 04 PM PDT 1.78 170 0 Normal
07/14/2025 05 PM PDT 1.78 170 0 Normal
07/14/2025 06 PM PDT 1.78 170 0 Normal
07/14/2025 07 PM PDT 1.78 170 0 Normal
07/14/2025 08 PM PDT 1.78 170 0 Normal
07/14/2025 09 PM PDT 1.78 170 0 Normal
07/14/2025 10 PM PDT 1.78 170 0 Normal
07/14/2025 11 PM PDT 1.77 169 - Normal
07/15/2025 12 AM PDT 1.77 169 0 Normal
07/15/2025 01 AM PDT 1.77 169 0 Normal
07/15/2025 02 AM PDT 1.77 169 0 Normal
07/15/2025 03 AM PDT 1.77 169 0 Normal
07/15/2025 04 AM PDT 1.77 169 0 Normal
07/15/2025 05 AM PDT 1.77 169 0 Normal
07/15/2025 06 AM PDT 1.77 169 0 Normal
07/15/2025 07 AM PDT 1.77 169 0 Normal
07/15/2025 08 AM PDT 1.77 169 0 Normal
07/15/2025 09 AM PDT 1.77 169 0 Normal
07/15/2025 10 AM PDT 1.78 170 + Normal
07/15/2025 11 AM PDT 1.78 170 0 Normal
07/15/2025 12 PM PDT 1.78 170 0 Normal
07/15/2025 01 PM PDT 1.79 172 + Normal
07/15/2025 02 PM PDT 1.79 172 0 Normal
07/15/2025 03 PM PDT 1.78 170 - Normal
07/15/2025 04 PM PDT 1.78 170 0 Normal
07/15/2025 05 PM PDT 1.78 170 0 Normal
07/15/2025 06 PM PDT 1.79 172 + Normal
07/15/2025 07 PM PDT 1.79 172 0 Normal
07/15/2025 08 PM PDT 1.79 172 0 Normal
07/15/2025 09 PM PDT 1.79 172 0 Normal
07/15/2025 10 PM PDT 1.79 172 0 Normal
07/15/2025 11 PM PDT 1.79 172 0 Normal
07/16/2025 12 AM PDT 1.79 172 0 Normal
07/16/2025 01 AM PDT 1.79 172 0 Normal
07/16/2025 02 AM PDT 1.78 170 - Normal
07/16/2025 03 AM PDT 1.78 170 0 Normal
07/16/2025 04 AM PDT 1.78 170 0 Normal
07/16/2025 05 AM PDT 1.78 170 0 Normal
07/16/2025 06 AM PDT 1.78 170 0 Normal
07/16/2025 07 AM PDT 1.78 170 0 Normal
07/16/2025 08 AM PDT 1.78 170 0 Normal
07/16/2025 09 AM PDT 1.77 169 - Normal
07/16/2025 10 AM PDT 1.77 169 0 Normal
07/16/2025 11 AM PDT 1.77 169 0 Normal
07/16/2025 12 PM PDT 1.77 169 0 Normal
07/16/2025 01 PM PDT 1.77 169 0 Normal
07/16/2025 02 PM PDT 1.77 169 0 Normal
07/16/2025 03 PM PDT 1.77 169 0 Normal
07/16/2025 04 PM PDT 1.77 169 0 Normal
07/16/2025 05 PM PDT 1.77 169 0 Normal
07/16/2025 06 PM PDT 1.77 169 0 Normal
07/16/2025 07 PM PDT 1.77 169 0 Normal
07/16/2025 08 PM PDT 1.77 169 0 Normal
07/16/2025 09 PM PDT 1.78 170 + Normal
07/16/2025 10 PM PDT 1.78 170 0 Normal
07/16/2025 11 PM PDT 1.78 170 0 Normal
07/17/2025 12 AM PDT 1.78 170 0 Normal
07/17/2025 01 AM PDT 1.78 170 0 Normal
07/17/2025 02 AM PDT 1.77 169 - Normal
07/17/2025 03 AM PDT 1.78 170 + Normal
07/17/2025 04 AM PDT 1.78 170 0 Normal
07/17/2025 05 AM PDT 1.78 170 0 Normal
07/17/2025 06 AM PDT 1.78 170 0 Normal
07/17/2025 07 AM PDT 1.78 170 0 Normal
07/17/2025 08 AM PDT 1.78 170 0 Normal
07/17/2025 09 AM PDT 1.78 170 0 Normal
07/17/2025 10 AM PDT 1.78 170 0 Normal
07/17/2025 11 AM PDT 1.78 170 0 Normal
07/17/2025 12 PM PDT 1.79 172 + Normal
07/17/2025 01 PM PDT 1.79 172 0 Normal
07/17/2025 02 PM PDT 1.79 172 0 Normal
07/17/2025 03 PM PDT 1.79 172 0 Normal
07/17/2025 04 PM PDT 1.78 170 - Normal
07/17/2025 05 PM PDT 1.79 172 + Normal
07/17/2025 06 PM PDT 1.79 172 0 Normal
07/17/2025 07 PM PDT 1.79 172 0 Normal
07/17/2025 08 PM PDT 1.79 172 0 Normal
07/17/2025 09 PM PDT 1.79 172 0 Normal
07/17/2025 10 PM PDT 1.79 172 0 Normal
07/17/2025 11 PM PDT 1.79 172 0 Normal
07/18/2025 12 AM PDT 1.79 172 0 Normal
07/18/2025 01 AM PDT 1.79 172 0 Normal
07/18/2025 02 AM PDT 1.79 172 0 Normal
07/18/2025 03 AM PDT 1.79 172 0 Normal
07/18/2025 04 AM PDT 1.79 172 0 Normal
07/18/2025 05 AM PDT 1.79 172 0 Normal
07/18/2025 06 AM PDT 1.79 172 0 Normal
07/18/2025 07 AM PDT 1.79 172 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/18/2025 08 AM PDT 1.79 172 Normal
07/18/2025 09 AM PDT 1.79 172 0 Normal
07/18/2025 10 AM PDT 1.79 172 0 Normal
07/18/2025 11 AM PDT 1.79 172 0 Normal
07/18/2025 12 PM PDT 1.79 172 0 Normal
07/18/2025 01 PM PDT 1.79 172 0 Normal
07/18/2025 02 PM PDT 1.79 172 0 Normal
07/18/2025 03 PM PDT 1.79 172 0 Normal
07/18/2025 04 PM PDT 1.79 172 0 Normal
07/18/2025 05 PM PDT 1.79 172 0 Normal
07/18/2025 06 PM PDT 1.79 172 0 Normal
07/18/2025 07 PM PDT 1.78 170 - Normal
07/18/2025 08 PM PDT 1.78 170 0 Normal
07/18/2025 09 PM PDT 1.78 170 0 Normal
07/18/2025 10 PM PDT 1.78 170 0 Normal
07/18/2025 11 PM PDT 1.78 170 0 Normal
07/19/2025 12 AM PDT 1.77 169 - Normal
07/19/2025 01 AM PDT 1.77 169 0 Normal
07/19/2025 02 AM PDT 1.77 169 0 Normal
07/19/2025 03 AM PDT 1.76 168 - Normal
07/19/2025 04 AM PDT 1.76 168 0 Normal
07/19/2025 05 AM PDT 1.76 168 0 Normal
07/19/2025 06 AM PDT 1.75 166 - Normal
07/19/2025 07 AM PDT 1.75 166 0 Normal
07/19/2025 08 AM PDT 1.74 165 - Normal
07/19/2025 09 AM PDT 1.74 165 0 Normal
07/19/2025 10 AM PDT 1.73 164 - Normal
07/19/2025 11 AM PDT 1.73 164 0 Normal
07/19/2025 12 PM PDT 1.73 164 0 Normal
07/19/2025 01 PM PDT 1.72 162 - Normal
07/19/2025 02 PM PDT 1.72 162 0 Normal
07/19/2025 03 PM PDT 1.71 161 - Normal
07/19/2025 04 PM PDT 1.71 161 0 Normal
07/19/2025 05 PM PDT 1.71 161 0 Normal
07/19/2025 06 PM PDT 1.70 160 - Normal
07/19/2025 07 PM PDT 1.70 160 0 Normal
07/19/2025 08 PM PDT 1.70 160 0 Normal
07/19/2025 09 PM PDT 1.70 160 0 Normal
07/19/2025 10 PM PDT 1.69 159 - Normal
07/19/2025 11 PM PDT 1.69 159 0 Normal
07/20/2025 12 AM PDT 1.69 159 0 Normal
07/20/2025 01 AM PDT 1.69 159 0 Normal
07/20/2025 02 AM PDT 1.69 159 0 Normal
07/20/2025 03 AM PDT 1.68 157 - Normal
07/20/2025 04 AM PDT 1.68 157 0 Normal
07/20/2025 05 AM PDT 1.68 157 0 Normal
07/20/2025 06 AM PDT 1.68 157 0 Normal
07/20/2025 07 AM PDT 1.68 157 0 Normal
07/20/2025 08 AM PDT 1.68 157 0 Normal
07/20/2025 09 AM PDT 1.68 157 0 Normal
07/20/2025 10 AM PDT 1.67 156 - Normal
07/20/2025 11 AM PDT 1.67 156 0 Normal
07/20/2025 12 PM PDT 1.67 156 0 Normal
07/20/2025 01 PM PDT 1.67 156 0 Normal
07/20/2025 02 PM PDT 1.67 156 0 Normal
07/20/2025 03 PM PDT 1.67 156 0 Normal
07/20/2025 04 PM PDT 1.67 156 0 Normal
07/20/2025 05 PM PDT 1.67 156 0 Normal
07/20/2025 06 PM PDT 1.67 156 0 Normal
07/20/2025 07 PM PDT 1.66 155 - Normal
07/20/2025 08 PM PDT 1.66 155 0 Normal
07/20/2025 09 PM PDT 1.66 155 0 Normal
07/20/2025 10 PM PDT 1.66 155 0 Normal
07/20/2025 11 PM PDT 1.66 155 0 Normal
07/21/2025 12 AM PDT 1.66 155 0 Normal
07/21/2025 01 AM PDT 1.66 155 0 Normal
07/21/2025 02 AM PDT 1.66 155 0 Normal
07/21/2025 03 AM PDT 1.66 155 0 Normal
07/21/2025 04 AM PDT 1.66 155 0 Normal
07/21/2025 05 AM PDT 1.66 155 0 Normal
07/21/2025 06 AM PDT 1.66 155 0 Normal
07/21/2025 07 AM PDT 1.66 155 0 Normal
07/21/2025 08 AM PDT 1.66 155 0 Normal
07/21/2025 09 AM PDT 1.65 154 - Normal
07/21/2025 10 AM PDT 1.65 154 0 Normal
07/21/2025 11 AM PDT 1.65 154 0 Normal
07/21/2025 12 PM PDT 1.65 154 0 Normal
07/21/2025 01 PM PDT 1.65 154 0 Normal
07/21/2025 02 PM PDT 1.65 154 0 Normal
07/21/2025 03 PM PDT 1.65 154 0 Normal
07/21/2025 04 PM PDT 1.65 154 0 Normal
07/21/2025 05 PM PDT 1.65 154 0 Normal
07/21/2025 06 PM PDT 1.65 154 0 Normal
07/21/2025 07 PM PDT 1.65 154 0 Normal
07/21/2025 08 PM PDT 1.65 154 0 Normal
07/21/2025 09 PM PDT 1.65 154 0 Normal
07/21/2025 10 PM PDT 1.65 154 0 Normal
07/21/2025 11 PM PDT 1.65 154 0 Normal
07/22/2025 12 AM PDT 1.64 152 - Normal
07/22/2025 01 AM PDT 1.64 152 0 Normal
07/22/2025 02 AM PDT 1.64 152 0 Normal
07/22/2025 03 AM PDT 1.64 152 0 Normal
07/22/2025 04 AM PDT 1.64 152 0 Normal
07/22/2025 05 AM PDT 1.64 152 0 Normal
07/22/2025 06 AM PDT 1.64 152 0 Normal
07/22/2025 07 AM PDT 1.64 152 0 Normal
07/22/2025 08 AM PDT 1.64 152 0 Normal
07/22/2025 09 AM PDT 1.64 152 0 Normal
07/22/2025 10 AM PDT 1.64 152 0 Normal
07/22/2025 11 AM PDT 1.64 152 0 Normal
07/22/2025 12 PM PDT 1.64 152 0 Normal
07/22/2025 01 PM PDT 1.64 152 0 Normal
07/22/2025 02 PM PDT 1.64 152 0 Normal
07/22/2025 03 PM PDT 1.64 152 0 Normal
07/22/2025 04 PM PDT 1.63 151 - Normal
07/22/2025 05 PM PDT 1.63 151 0 Normal
07/22/2025 06 PM PDT 1.63 151 0 Normal
07/22/2025 07 PM PDT 1.63 151 0 Normal
07/22/2025 08 PM PDT 1.63 151 0 Normal
07/22/2025 09 PM PDT 1.63 151 0 Normal
07/22/2025 10 PM PDT 1.63 151 0 Normal
07/22/2025 11 PM PDT 1.63 151 0 Normal
07/23/2025 12 AM PDT 1.63 151 0 Normal
07/23/2025 01 AM PDT 1.63 151 0 Normal
07/23/2025 02 AM PDT 1.63 151 0 Normal
07/23/2025 03 AM PDT 1.63 151 0 Normal
07/23/2025 04 AM PDT 1.63 151 0 Normal
07/23/2025 05 AM PDT 1.63 151 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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