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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 09 2026 at 12:58 PM PDT | Next Issuance: | Apr 10 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: 04/09/2026 at 12:58 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/05/2026 at 12:00 PM PDT
# Maximum Observed Stage: 1.38 Feet
# Maximum Observed Flow: 243 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/13/2026 at 12:00 PM PDT
# Maximum Forecast Stage: 1.69 Feet
# Maximum Forecast Flow: 309 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/04/2026 12 PM PDT 1.33 233 Normal
04/04/2026 01 PM PDT 1.34 235 + Normal
04/04/2026 02 PM PDT 1.34 235 0 Normal
04/04/2026 03 PM PDT 1.32 231 - Normal
04/04/2026 04 PM PDT 1.33 233 + Normal
04/04/2026 05 PM PDT 1.33 233 0 Normal
04/04/2026 06 PM PDT 1.35 237 + Normal
04/04/2026 07 PM PDT 1.36 239 + Normal
04/04/2026 08 PM PDT 1.37 241 + Normal
04/04/2026 09 PM PDT 1.37 241 0 Normal
04/04/2026 10 PM PDT 1.38 243 + Normal
04/04/2026 11 PM PDT 1.38 243 0 Normal
04/05/2026 12 AM PDT 1.37 241 - Normal
04/05/2026 01 AM PDT 1.37 241 0 Normal
04/05/2026 02 AM PDT 1.37 241 0 Normal
04/05/2026 03 AM PDT 1.37 241 0 Normal
04/05/2026 04 AM PDT 1.38 243 + Normal
04/05/2026 05 AM PDT 1.37 241 - Normal
04/05/2026 06 AM PDT 1.37 241 0 Normal
04/05/2026 07 AM PDT 1.37 241 0 Normal
04/05/2026 08 AM PDT 1.37 241 0 Normal
04/05/2026 09 AM PDT 1.38 243 + Normal
04/05/2026 10 AM PDT 1.37 241 - Normal
04/05/2026 11 AM PDT 1.37 241 0 Normal
04/05/2026 12 PM PDT 1.38 243 + Normal
04/05/2026 01 PM PDT 1.36 239 - Normal
04/05/2026 02 PM PDT 1.37 241 + Normal
04/05/2026 03 PM PDT 1.37 241 0 Normal
04/05/2026 04 PM PDT 1.37 241 0 Normal
04/05/2026 05 PM PDT 1.37 241 0 Normal
04/05/2026 06 PM PDT 1.37 241 0 Normal
04/05/2026 07 PM PDT 1.37 241 0 Normal
04/05/2026 08 PM PDT 1.36 239 - Normal
04/05/2026 09 PM PDT 1.36 239 0 Normal
04/05/2026 10 PM PDT 1.36 239 0 Normal
04/05/2026 11 PM PDT 1.35 237 - Normal
04/06/2026 12 AM PDT 1.36 239 + Normal
04/06/2026 01 AM PDT 1.36 239 0 Normal
04/06/2026 02 AM PDT 1.36 239 0 Normal
04/06/2026 03 AM PDT 1.36 239 0 Normal
04/06/2026 04 AM PDT 1.36 239 0 Normal
04/06/2026 05 AM PDT 1.36 239 0 Normal
04/06/2026 06 AM PDT 1.35 237 - Normal
04/06/2026 07 AM PDT 1.36 239 + Normal
04/06/2026 08 AM PDT 1.36 239 0 Normal
04/06/2026 09 AM PDT 1.36 239 0 Normal
04/06/2026 10 AM PDT 1.36 239 0 Normal
04/06/2026 11 AM PDT 1.35 237 - Normal
04/06/2026 12 PM PDT 1.35 237 0 Normal
04/06/2026 01 PM PDT 1.35 237 0 Normal
04/06/2026 02 PM PDT 1.35 237 0 Normal
04/06/2026 03 PM PDT 1.35 237 0 Normal
04/06/2026 04 PM PDT 1.35 237 0 Normal
04/06/2026 05 PM PDT 1.35 237 0 Normal
04/06/2026 06 PM PDT 1.35 237 0 Normal
04/06/2026 07 PM PDT 1.35 237 0 Normal
04/06/2026 08 PM PDT 1.34 235 - Normal
04/06/2026 09 PM PDT 1.34 235 0 Normal
04/06/2026 10 PM PDT 1.34 235 0 Normal
04/06/2026 11 PM PDT 1.34 235 0 Normal
04/07/2026 12 AM PDT 1.34 235 0 Normal
04/07/2026 01 AM PDT 1.34 235 0 Normal
04/07/2026 02 AM PDT 1.34 235 0 Normal
04/07/2026 03 AM PDT 1.34 235 0 Normal
04/07/2026 04 AM PDT 1.34 235 0 Normal
04/07/2026 05 AM PDT 1.34 235 0 Normal
04/07/2026 06 AM PDT 1.34 235 0 Normal
04/07/2026 07 AM PDT 1.34 235 0 Normal
04/07/2026 08 AM PDT 1.34 235 0 Normal
04/07/2026 09 AM PDT 1.33 233 - Normal
04/07/2026 10 AM PDT 1.33 233 0 Normal
04/07/2026 11 AM PDT 1.33 233 0 Normal
04/07/2026 12 PM PDT 1.33 233 0 Normal
04/07/2026 01 PM PDT 1.33 233 0 Normal
04/07/2026 02 PM PDT 1.32 231 - Normal
04/07/2026 03 PM PDT 1.33 233 + Normal
04/07/2026 04 PM PDT 1.34 235 + Normal
04/07/2026 05 PM PDT 1.33 233 - Normal
04/07/2026 06 PM PDT 1.32 231 - Normal
04/07/2026 07 PM PDT 1.33 233 + Normal
04/07/2026 08 PM PDT 1.33 233 0 Normal
04/07/2026 09 PM PDT 1.32 231 - Normal
04/07/2026 10 PM PDT 1.33 233 + Normal
04/07/2026 11 PM PDT 1.33 233 0 Normal
04/08/2026 12 AM PDT 1.32 231 - Normal
04/08/2026 01 AM PDT 1.32 231 0 Normal
04/08/2026 02 AM PDT 1.32 231 0 Normal
04/08/2026 03 AM PDT 1.32 231 0 Normal
04/08/2026 04 AM PDT 1.32 231 0 Normal
04/08/2026 05 AM PDT 1.32 231 0 Normal
04/08/2026 06 AM PDT 1.33 233 + Normal
04/08/2026 07 AM PDT 1.33 233 0 Normal
04/08/2026 08 AM PDT 1.33 233 0 Normal
04/08/2026 09 AM PDT 1.33 233 0 Normal
04/08/2026 10 AM PDT 1.33 233 0 Normal
04/08/2026 11 AM PDT 1.33 233 0 Normal
04/08/2026 12 PM PDT 1.32 231 - Normal
04/08/2026 01 PM PDT 1.31 229 - Normal
04/08/2026 02 PM PDT 1.31 229 0 Normal
04/08/2026 03 PM PDT 1.31 229 0 Normal
04/08/2026 04 PM PDT 1.31 229 0 Normal
04/08/2026 05 PM PDT 1.32 231 + Normal
04/08/2026 06 PM PDT 1.32 231 0 Normal
04/08/2026 07 PM PDT 1.32 231 0 Normal
04/08/2026 08 PM PDT 1.31 229 - Normal
04/08/2026 09 PM PDT 1.31 229 0 Normal
04/08/2026 10 PM PDT 1.31 229 0 Normal
04/08/2026 11 PM PDT 1.31 229 0 Normal
04/09/2026 12 AM PDT 1.31 229 0 Normal
04/09/2026 01 AM PDT 1.31 229 0 Normal
04/09/2026 02 AM PDT 1.31 229 0 Normal
04/09/2026 03 AM PDT 1.31 229 0 Normal
04/09/2026 04 AM PDT 1.32 231 + Normal
04/09/2026 05 AM PDT 1.31 229 - Normal
04/09/2026 06 AM PDT 1.32 231 + Normal
04/09/2026 07 AM PDT 1.31 229 - Normal
04/09/2026 08 AM PDT 1.32 231 + Normal
04/09/2026 09 AM PDT 1.31 229 - Normal
04/09/2026 10 AM PDT 1.32 231 + Normal
04/09/2026 11 AM PDT 1.32 231 0 Normal
04/09/2026 12 PM PDT 1.32 231 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/09/2026 01 PM PDT 1.32 231 Normal
04/09/2026 02 PM PDT 1.32 231 0 Normal
04/09/2026 03 PM PDT 1.32 231 0 Normal
04/09/2026 04 PM PDT 1.32 231 0 Normal
04/09/2026 05 PM PDT 1.32 231 0 Normal
04/09/2026 06 PM PDT 1.33 233 + Normal
04/09/2026 07 PM PDT 1.34 235 + Normal
04/09/2026 08 PM PDT 1.35 237 + Normal
04/09/2026 09 PM PDT 1.36 239 + Normal
04/09/2026 10 PM PDT 1.36 239 0 Normal
04/09/2026 11 PM PDT 1.35 237 - Normal
04/10/2026 12 AM PDT 1.35 237 0 Normal
04/10/2026 01 AM PDT 1.35 237 0 Normal
04/10/2026 02 AM PDT 1.34 235 - Normal
04/10/2026 03 AM PDT 1.34 235 0 Normal
04/10/2026 04 AM PDT 1.34 235 0 Normal
04/10/2026 05 AM PDT 1.34 235 0 Normal
04/10/2026 06 AM PDT 1.34 235 0 Normal
04/10/2026 07 AM PDT 1.35 237 + Normal
04/10/2026 08 AM PDT 1.36 239 + Normal
04/10/2026 09 AM PDT 1.38 243 + Normal
04/10/2026 10 AM PDT 1.38 243 0 Normal
04/10/2026 11 AM PDT 1.39 245 + Normal
04/10/2026 12 PM PDT 1.39 245 0 Normal
04/10/2026 01 PM PDT 1.38 243 - Normal
04/10/2026 02 PM PDT 1.39 245 + Normal
04/10/2026 03 PM PDT 1.40 247 + Normal
04/10/2026 04 PM PDT 1.41 249 + Normal
04/10/2026 05 PM PDT 1.43 253 + Normal
04/10/2026 06 PM PDT 1.44 256 + Normal
04/10/2026 07 PM PDT 1.44 256 0 Normal
04/10/2026 08 PM PDT 1.44 256 0 Normal
04/10/2026 09 PM PDT 1.44 256 0 Normal
04/10/2026 10 PM PDT 1.44 256 0 Normal
04/10/2026 11 PM PDT 1.43 253 - Normal
04/11/2026 12 AM PDT 1.43 253 0 Normal
04/11/2026 01 AM PDT 1.43 253 0 Normal
04/11/2026 02 AM PDT 1.43 253 0 Normal
04/11/2026 03 AM PDT 1.43 253 0 Normal
04/11/2026 04 AM PDT 1.43 253 0 Normal
04/11/2026 05 AM PDT 1.43 253 0 Normal
04/11/2026 06 AM PDT 1.43 253 0 Normal
04/11/2026 07 AM PDT 1.43 253 0 Normal
04/11/2026 08 AM PDT 1.43 253 0 Normal
04/11/2026 09 AM PDT 1.42 251 - Normal
04/11/2026 10 AM PDT 1.42 251 0 Normal
04/11/2026 11 AM PDT 1.42 251 0 Normal
04/11/2026 12 PM PDT 1.42 251 0 Normal
04/11/2026 01 PM PDT 1.43 253 + Normal
04/11/2026 02 PM PDT 1.44 256 + Normal
04/11/2026 03 PM PDT 1.45 258 + Normal
04/11/2026 04 PM PDT 1.46 260 + Normal
04/11/2026 05 PM PDT 1.48 264 + Normal
04/11/2026 06 PM PDT 1.51 270 + Normal
04/11/2026 07 PM PDT 1.53 274 + Normal
04/11/2026 08 PM PDT 1.55 279 + Normal
04/11/2026 09 PM PDT 1.58 285 + Normal
04/11/2026 10 PM PDT 1.60 289 + Normal
04/11/2026 11 PM PDT 1.61 291 + Normal
04/12/2026 12 AM PDT 1.61 291 0 Normal
04/12/2026 01 AM PDT 1.60 289 - Normal
04/12/2026 02 AM PDT 1.60 289 0 Normal
04/12/2026 03 AM PDT 1.59 287 - Normal
04/12/2026 04 AM PDT 1.59 287 0 Normal
04/12/2026 05 AM PDT 1.59 287 0 Normal
04/12/2026 06 AM PDT 1.59 287 0 Normal
04/12/2026 07 AM PDT 1.59 287 0 Normal
04/12/2026 08 AM PDT 1.59 287 0 Normal
04/12/2026 09 AM PDT 1.59 287 0 Normal
04/12/2026 10 AM PDT 1.59 287 0 Normal
04/12/2026 11 AM PDT 1.58 285 - Normal
04/12/2026 12 PM PDT 1.57 283 - Normal
04/12/2026 01 PM PDT 1.55 279 - Normal
04/12/2026 02 PM PDT 1.54 276 - Normal
04/12/2026 03 PM PDT 1.53 274 - Normal
04/12/2026 04 PM PDT 1.52 272 - Normal
04/12/2026 05 PM PDT 1.51 270 - Normal
04/12/2026 06 PM PDT 1.50 268 - Normal
04/12/2026 07 PM PDT 1.49 266 - Normal
04/12/2026 08 PM PDT 1.49 266 0 Normal
04/12/2026 09 PM PDT 1.48 264 - Normal
04/12/2026 10 PM PDT 1.47 262 - Normal
04/12/2026 11 PM PDT 1.46 260 - Normal
04/13/2026 12 AM PDT 1.45 258 - Normal
04/13/2026 01 AM PDT 1.44 256 - Normal
04/13/2026 02 AM PDT 1.43 253 - Normal
04/13/2026 03 AM PDT 1.42 251 - Normal
04/13/2026 04 AM PDT 1.41 249 - Normal
04/13/2026 05 AM PDT 1.42 251 + Normal
04/13/2026 06 AM PDT 1.45 258 + Normal
04/13/2026 07 AM PDT 1.50 268 + Normal
04/13/2026 08 AM PDT 1.56 281 + Normal
04/13/2026 09 AM PDT 1.62 294 + Normal
04/13/2026 10 AM PDT 1.65 300 + Normal
04/13/2026 11 AM PDT 1.67 304 + Normal
04/13/2026 12 PM PDT 1.69 309 + Normal
04/13/2026 01 PM PDT 1.69 309 0 Normal
04/13/2026 02 PM PDT 1.68 307 - Normal
04/13/2026 03 PM PDT 1.68 307 0 Normal
04/13/2026 04 PM PDT 1.66 302 - Normal
04/13/2026 05 PM PDT 1.65 300 - Normal
04/13/2026 06 PM PDT 1.63 296 - Normal
04/13/2026 07 PM PDT 1.61 291 - Normal
04/13/2026 08 PM PDT 1.59 287 - Normal
04/13/2026 09 PM PDT 1.57 283 - Normal
04/13/2026 10 PM PDT 1.55 279 - Normal
04/13/2026 11 PM PDT 1.53 274 - Normal
04/14/2026 12 AM PDT 1.51 270 - Normal
04/14/2026 01 AM PDT 1.49 266 - Normal
04/14/2026 02 AM PDT 1.48 264 - Normal
04/14/2026 03 AM PDT 1.46 260 - Normal
04/14/2026 04 AM PDT 1.45 258 - Normal
04/14/2026 05 AM PDT 1.43 253 - 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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