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RUSSIAN RIVER - HOPLAND (HOPC1)
| Latitude: 39.03º N | Longitude: 123.13º W | Elevation: 498 Feet | | Forecast Type: Official Location |
| Location: Mendocino County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Apr 24 2026 at 7:17 AM PDT | Next Issuance: | Apr 25 2026 at 9:00 AM PDT
| |
| Action/Monitor: N/A | Minor Flood: 15.0 Feet | Moderate Flood: 23.0 Feet | Major Flood: 26.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hopland (HOPC1)
#
# File Generation Time: 04/24/2026 at 07:17 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/21/2026 at 03:00 PM PDT
# Maximum Observed Stage: 1.27 Feet
# Maximum Observed Flow: 221 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/24/2026 at 12:00 PM PDT
# Maximum Forecast Stage: 0.89 Feet
# Maximum Forecast Flow: 150 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/19/2026 07 AM PDT 0.94 159 Normal
04/19/2026 08 AM PDT 0.94 159 0 Normal
04/19/2026 09 AM PDT 0.94 159 0 Normal
04/19/2026 10 AM PDT 0.93 157 - Normal
04/19/2026 11 AM PDT 0.93 157 0 Normal
04/19/2026 12 PM PDT 0.92 155 - Normal
04/19/2026 01 PM PDT 0.93 157 + Normal
04/19/2026 02 PM PDT 0.92 155 - Normal
04/19/2026 03 PM PDT 0.92 155 0 Normal
04/19/2026 04 PM PDT 0.92 155 0 Normal
04/19/2026 05 PM PDT 0.92 155 0 Normal
04/19/2026 06 PM PDT 0.92 155 0 Normal
04/19/2026 07 PM PDT 0.91 154 - Normal
04/19/2026 08 PM PDT 0.91 154 0 Normal
04/19/2026 09 PM PDT 0.91 154 0 Normal
04/19/2026 10 PM PDT 0.91 154 0 Normal
04/19/2026 11 PM PDT 0.91 154 0 Normal
04/20/2026 12 AM PDT 0.91 154 0 Normal
04/20/2026 01 AM PDT 0.91 154 0 Normal
04/20/2026 02 AM PDT 0.90 152 - Normal
04/20/2026 03 AM PDT 0.90 152 0 Normal
04/20/2026 04 AM PDT 0.90 152 0 Normal
04/20/2026 05 AM PDT 0.90 152 0 Normal
04/20/2026 06 AM PDT 0.91 154 + Normal
04/20/2026 07 AM PDT 0.91 154 0 Normal
04/20/2026 08 AM PDT 0.91 154 0 Normal
04/20/2026 09 AM PDT 0.92 155 + Normal
04/20/2026 10 AM PDT 0.91 154 - Normal
04/20/2026 11 AM PDT 0.92 155 + Normal
04/20/2026 12 PM PDT 0.92 155 0 Normal
04/20/2026 01 PM PDT 0.93 157 + Normal
04/20/2026 02 PM PDT 0.93 157 0 Normal
04/20/2026 03 PM PDT 0.92 155 - Normal
04/20/2026 04 PM PDT 0.91 154 - Normal
04/20/2026 05 PM PDT 0.92 155 + Normal
04/20/2026 06 PM PDT 0.93 157 + Normal
04/20/2026 07 PM PDT 0.94 159 + Normal
04/20/2026 08 PM PDT 0.96 163 + Normal
04/20/2026 09 PM PDT 0.97 164 + Normal
04/20/2026 10 PM PDT 0.99 168 + Normal
04/20/2026 11 PM PDT 1.01 172 + Normal
04/21/2026 12 AM PDT 1.04 177 + Normal
04/21/2026 01 AM PDT 1.06 181 + Normal
04/21/2026 02 AM PDT 1.09 186 + Normal
04/21/2026 03 AM PDT 1.10 188 + Normal
04/21/2026 04 AM PDT 1.15 198 + Normal
04/21/2026 05 AM PDT 1.18 204 + Normal
04/21/2026 06 AM PDT 1.17 202 - Normal
04/21/2026 07 AM PDT 1.15 198 - Normal
04/21/2026 08 AM PDT 1.13 194 - Normal
04/21/2026 09 AM PDT 1.13 194 0 Normal
04/21/2026 10 AM PDT 1.13 194 0 Normal
04/21/2026 11 AM PDT 1.14 196 + Normal
04/21/2026 12 PM PDT 1.17 202 + Normal
04/21/2026 01 PM PDT 1.20 207 + Normal
04/21/2026 02 PM PDT 1.24 215 + Normal
04/21/2026 03 PM PDT 1.27 221 + Normal
04/21/2026 04 PM PDT 1.25 217 - Normal
04/21/2026 05 PM PDT 1.22 211 - Normal
04/21/2026 06 PM PDT 1.19 205 - Normal
04/21/2026 07 PM PDT 1.17 202 - Normal
04/21/2026 08 PM PDT 1.16 200 - Normal
04/21/2026 09 PM PDT 1.16 200 0 Normal
04/21/2026 10 PM PDT 1.15 198 - Normal
04/21/2026 11 PM PDT 1.15 198 0 Normal
04/22/2026 12 AM PDT 1.15 198 0 Normal
04/22/2026 01 AM PDT 1.15 198 0 Normal
04/22/2026 02 AM PDT 1.16 200 + Normal
04/22/2026 03 AM PDT 1.16 200 0 Normal
04/22/2026 04 AM PDT 1.15 198 - Normal
04/22/2026 05 AM PDT 1.14 196 - Normal
04/22/2026 06 AM PDT 1.14 196 0 Normal
04/22/2026 07 AM PDT 1.13 194 - Normal
04/22/2026 08 AM PDT 1.13 194 0 Normal
04/22/2026 09 AM PDT 1.13 194 0 Normal
04/22/2026 10 AM PDT 1.13 194 0 Normal
04/22/2026 11 AM PDT 1.11 190 - Normal
04/22/2026 12 PM PDT 1.10 188 - Normal
04/22/2026 01 PM PDT 1.09 186 - Normal
04/22/2026 02 PM PDT 1.07 183 - Normal
04/22/2026 03 PM PDT 1.05 179 - Normal
04/22/2026 04 PM PDT 1.03 175 - Normal
04/22/2026 05 PM PDT 1.02 173 - Normal
04/22/2026 06 PM PDT 1.01 172 - Normal
04/22/2026 07 PM PDT 1.01 172 0 Normal
04/22/2026 08 PM PDT 1.01 172 0 Normal
04/22/2026 09 PM PDT 1.01 172 0 Normal
04/22/2026 10 PM PDT 1.00 170 - Normal
04/22/2026 11 PM PDT 0.99 168 - Normal
04/23/2026 12 AM PDT 0.98 166 - Normal
04/23/2026 01 AM PDT 0.98 166 0 Normal
04/23/2026 02 AM PDT 0.97 164 - Normal
04/23/2026 03 AM PDT 0.97 164 0 Normal
04/23/2026 04 AM PDT 0.96 163 - Normal
04/23/2026 05 AM PDT 0.96 163 0 Normal
04/23/2026 06 AM PDT 0.95 161 - Normal
04/23/2026 07 AM PDT 0.95 161 0 Normal
04/23/2026 08 AM PDT 0.95 161 0 Normal
04/23/2026 09 AM PDT 0.94 159 - Normal
04/23/2026 10 AM PDT 0.93 157 - Normal
04/23/2026 11 AM PDT 0.93 157 0 Normal
04/23/2026 12 PM PDT 0.92 155 - Normal
04/23/2026 01 PM PDT 0.92 155 0 Normal
04/23/2026 02 PM PDT 0.91 154 - Normal
04/23/2026 03 PM PDT 0.91 154 0 Normal
04/23/2026 04 PM PDT 0.90 152 - Normal
04/23/2026 05 PM PDT 0.90 152 0 Normal
04/23/2026 06 PM PDT 0.90 152 0 Normal
04/23/2026 07 PM PDT 0.90 152 0 Normal
04/23/2026 08 PM PDT 0.88 148 - Normal
04/23/2026 09 PM PDT 0.88 148 0 Normal
04/23/2026 10 PM PDT 0.88 148 0 Normal
04/23/2026 11 PM PDT 0.87 147 - Normal
04/24/2026 12 AM PDT 0.87 147 0 Normal
04/24/2026 01 AM PDT 0.87 147 0 Normal
04/24/2026 02 AM PDT 0.86 145 - Normal
04/24/2026 03 AM PDT 0.86 145 0 Normal
04/24/2026 04 AM PDT 0.86 145 0 Normal
04/24/2026 05 AM PDT 0.85 143 - Normal
04/24/2026 06 AM PDT 0.85 143 0 Normal
04/24/2026 07 AM PDT 0.86 145 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/24/2026 08 AM PDT 0.87 147 Normal
04/24/2026 09 AM PDT 0.88 148 + Normal
04/24/2026 10 AM PDT 0.88 148 0 Normal
04/24/2026 11 AM PDT 0.88 148 0 Normal
04/24/2026 12 PM PDT 0.89 150 + Normal
04/24/2026 01 PM PDT 0.89 150 0 Normal
04/24/2026 02 PM PDT 0.89 150 0 Normal
04/24/2026 03 PM PDT 0.89 150 0 Normal
04/24/2026 04 PM PDT 0.89 150 0 Normal
04/24/2026 05 PM PDT 0.89 150 0 Normal
04/24/2026 06 PM PDT 0.89 150 0 Normal
04/24/2026 07 PM PDT 0.88 148 - Normal
04/24/2026 08 PM PDT 0.88 148 0 Normal
04/24/2026 09 PM PDT 0.88 148 0 Normal
04/24/2026 10 PM PDT 0.88 148 0 Normal
04/24/2026 11 PM PDT 0.87 147 - Normal
04/25/2026 12 AM PDT 0.87 147 0 Normal
04/25/2026 01 AM PDT 0.86 145 - Normal
04/25/2026 02 AM PDT 0.86 145 0 Normal
04/25/2026 03 AM PDT 0.86 145 0 Normal
04/25/2026 04 AM PDT 0.85 143 - Normal
04/25/2026 05 AM PDT 0.85 143 0 Normal
04/25/2026 06 AM PDT 0.85 143 0 Normal
04/25/2026 07 AM PDT 0.84 141 - Normal
04/25/2026 08 AM PDT 0.84 141 0 Normal
04/25/2026 09 AM PDT 0.84 141 0 Normal
04/25/2026 10 AM PDT 0.83 140 - Normal
04/25/2026 11 AM PDT 0.83 140 0 Normal
04/25/2026 12 PM PDT 0.83 140 0 Normal
04/25/2026 01 PM PDT 0.82 138 - Normal
04/25/2026 02 PM PDT 0.82 138 0 Normal
04/25/2026 03 PM PDT 0.81 136 - Normal
04/25/2026 04 PM PDT 0.81 136 0 Normal
04/25/2026 05 PM PDT 0.81 136 0 Normal
04/25/2026 06 PM PDT 0.80 135 - Normal
04/25/2026 07 PM PDT 0.80 135 0 Normal
04/25/2026 08 PM PDT 0.80 135 0 Normal
04/25/2026 09 PM PDT 0.79 133 - Normal
04/25/2026 10 PM PDT 0.79 133 0 Normal
04/25/2026 11 PM PDT 0.78 131 - Normal
04/26/2026 12 AM PDT 0.78 131 0 Normal
04/26/2026 01 AM PDT 0.78 131 0 Normal
04/26/2026 02 AM PDT 0.77 130 - Normal
04/26/2026 03 AM PDT 0.77 130 0 Normal
04/26/2026 04 AM PDT 0.77 130 0 Normal
04/26/2026 05 AM PDT 0.76 128 - Normal
04/26/2026 06 AM PDT 0.76 128 0 Normal
04/26/2026 07 AM PDT 0.76 128 0 Normal
04/26/2026 08 AM PDT 0.75 126 - Normal
04/26/2026 09 AM PDT 0.75 126 0 Normal
04/26/2026 10 AM PDT 0.75 126 0 Normal
04/26/2026 11 AM PDT 0.75 126 0 Normal
04/26/2026 12 PM PDT 0.74 125 - Normal
04/26/2026 01 PM PDT 0.74 125 0 Normal
04/26/2026 02 PM PDT 0.74 125 0 Normal
04/26/2026 03 PM PDT 0.74 125 0 Normal
04/26/2026 04 PM PDT 0.73 123 - Normal
04/26/2026 05 PM PDT 0.73 123 0 Normal
04/26/2026 06 PM PDT 0.73 123 0 Normal
04/26/2026 07 PM PDT 0.73 123 0 Normal
04/26/2026 08 PM PDT 0.73 123 0 Normal
04/26/2026 09 PM PDT 0.73 123 0 Normal
04/26/2026 10 PM PDT 0.73 123 0 Normal
04/26/2026 11 PM PDT 0.73 123 0 Normal
04/27/2026 12 AM PDT 0.72 121 - Normal
04/27/2026 01 AM PDT 0.72 121 0 Normal
04/27/2026 02 AM PDT 0.72 121 0 Normal
04/27/2026 03 AM PDT 0.72 121 0 Normal
04/27/2026 04 AM PDT 0.72 121 0 Normal
04/27/2026 05 AM PDT 0.72 121 0 Normal
04/27/2026 06 AM PDT 0.72 121 0 Normal
04/27/2026 07 AM PDT 0.72 121 0 Normal
04/27/2026 08 AM PDT 0.72 121 0 Normal
04/27/2026 09 AM PDT 0.72 121 0 Normal
04/27/2026 10 AM PDT 0.72 121 0 Normal
04/27/2026 11 AM PDT 0.71 120 - Normal
04/27/2026 12 PM PDT 0.71 120 0 Normal
04/27/2026 01 PM PDT 0.71 120 0 Normal
04/27/2026 02 PM PDT 0.71 120 0 Normal
04/27/2026 03 PM PDT 0.71 120 0 Normal
04/27/2026 04 PM PDT 0.71 120 0 Normal
04/27/2026 05 PM PDT 0.71 120 0 Normal
04/27/2026 06 PM PDT 0.71 120 0 Normal
04/27/2026 07 PM PDT 0.71 120 0 Normal
04/27/2026 08 PM PDT 0.71 120 0 Normal
04/27/2026 09 PM PDT 0.71 120 0 Normal
04/27/2026 10 PM PDT 0.71 120 0 Normal
04/27/2026 11 PM PDT 0.71 120 0 Normal
04/28/2026 12 AM PDT 0.71 120 0 Normal
04/28/2026 01 AM PDT 0.70 118 - Normal
04/28/2026 02 AM PDT 0.70 118 0 Normal
04/28/2026 03 AM PDT 0.70 118 0 Normal
04/28/2026 04 AM PDT 0.70 118 0 Normal
04/28/2026 05 AM PDT 0.70 118 0 Normal
04/28/2026 06 AM PDT 0.70 118 0 Normal
04/28/2026 07 AM PDT 0.70 118 0 Normal
04/28/2026 08 AM PDT 0.70 118 0 Normal
04/28/2026 09 AM PDT 0.70 118 0 Normal
04/28/2026 10 AM PDT 0.70 118 0 Normal
04/28/2026 11 AM PDT 0.70 118 0 Normal
04/28/2026 12 PM PDT 0.70 118 0 Normal
04/28/2026 01 PM PDT 0.70 118 0 Normal
04/28/2026 02 PM PDT 0.70 118 0 Normal
04/28/2026 03 PM PDT 0.69 116 - Normal
04/28/2026 04 PM PDT 0.69 116 0 Normal
04/28/2026 05 PM PDT 0.69 116 0 Normal
04/28/2026 06 PM PDT 0.69 116 0 Normal
04/28/2026 07 PM PDT 0.69 116 0 Normal
04/28/2026 08 PM PDT 0.69 116 0 Normal
04/28/2026 09 PM PDT 0.69 116 0 Normal
04/28/2026 10 PM PDT 0.69 116 0 Normal
04/28/2026 11 PM PDT 0.69 116 0 Normal
04/29/2026 12 AM PDT 0.69 116 0 Normal
04/29/2026 01 AM PDT 0.69 116 0 Normal
04/29/2026 02 AM PDT 0.69 116 0 Normal
04/29/2026 03 AM PDT 0.69 116 0 Normal
04/29/2026 04 AM PDT 0.69 116 0 Normal
04/29/2026 05 AM PDT 0.69 116 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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