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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: | Mar 23 2026 at 1:07 PM PDT | Next Issuance: | Mar 24 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: 03/23/2026 at 01:08 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/18/2026 at 04:00 PM PDT
# Maximum Observed Stage: 1.50 Feet
# Maximum Observed Flow: 268 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/23/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 1.38 Feet
# Maximum Forecast Flow: 243 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 01 PM PDT 1.50 268 Normal
03/18/2026 02 PM PDT 1.50 268 0 Normal
03/18/2026 03 PM PDT 1.49 266 - Normal
03/18/2026 04 PM PDT 1.50 268 + Normal
03/18/2026 05 PM PDT 1.49 266 - Normal
03/18/2026 06 PM PDT 1.49 266 0 Normal
03/18/2026 07 PM PDT 1.49 266 0 Normal
03/18/2026 08 PM PDT 1.49 266 0 Normal
03/18/2026 09 PM PDT 1.48 264 - Normal
03/18/2026 10 PM PDT 1.49 266 + Normal
03/18/2026 11 PM PDT 1.48 264 - Normal
03/19/2026 12 AM PDT 1.48 264 0 Normal
03/19/2026 01 AM PDT 1.48 264 0 Normal
03/19/2026 02 AM PDT 1.48 264 0 Normal
03/19/2026 03 AM PDT 1.47 262 - Normal
03/19/2026 04 AM PDT 1.47 262 0 Normal
03/19/2026 05 AM PDT 1.47 262 0 Normal
03/19/2026 06 AM PDT 1.47 262 0 Normal
03/19/2026 07 AM PDT 1.47 262 0 Normal
03/19/2026 08 AM PDT 1.46 260 - Normal
03/19/2026 09 AM PDT 1.46 260 0 Normal
03/19/2026 10 AM PDT 1.46 260 0 Normal
03/19/2026 11 AM PDT 1.46 260 0 Normal
03/19/2026 12 PM PDT 1.46 260 0 Normal
03/19/2026 01 PM PDT 1.45 258 - Normal
03/19/2026 02 PM PDT 1.45 258 0 Normal
03/19/2026 03 PM PDT 1.45 258 0 Normal
03/19/2026 04 PM PDT 1.45 258 0 Normal
03/19/2026 05 PM PDT 1.46 260 + Normal
03/19/2026 06 PM PDT 1.45 258 - Normal
03/19/2026 07 PM PDT 1.45 258 0 Normal
03/19/2026 08 PM PDT 1.45 258 0 Normal
03/19/2026 09 PM PDT 1.46 260 + Normal
03/19/2026 10 PM PDT 1.45 258 - Normal
03/19/2026 11 PM PDT 1.45 258 0 Normal
03/20/2026 12 AM PDT 1.45 258 0 Normal
03/20/2026 01 AM PDT 1.45 258 0 Normal
03/20/2026 02 AM PDT 1.44 256 - Normal
03/20/2026 03 AM PDT 1.45 258 + Normal
03/20/2026 04 AM PDT 1.44 256 - Normal
03/20/2026 05 AM PDT 1.44 256 0 Normal
03/20/2026 06 AM PDT 1.45 258 + Normal
03/20/2026 07 AM PDT 1.44 256 - Normal
03/20/2026 08 AM PDT 1.43 253 - Normal
03/20/2026 09 AM PDT 1.43 253 0 Normal
03/20/2026 10 AM PDT 1.43 253 0 Normal
03/20/2026 11 AM PDT 1.43 253 0 Normal
03/20/2026 12 PM PDT 1.43 253 0 Normal
03/20/2026 01 PM PDT 1.42 251 - Normal
03/20/2026 02 PM PDT 1.43 253 + Normal
03/20/2026 03 PM PDT 1.42 251 - Normal
03/20/2026 04 PM PDT 1.44 256 + Normal
03/20/2026 05 PM PDT 1.45 258 + Normal
03/20/2026 06 PM PDT 1.47 262 + Normal
03/20/2026 07 PM PDT 1.47 262 0 Normal
03/20/2026 08 PM PDT 1.47 262 0 Normal
03/20/2026 09 PM PDT 1.46 260 - Normal
03/20/2026 10 PM PDT 1.46 260 0 Normal
03/20/2026 11 PM PDT 1.46 260 0 Normal
03/21/2026 12 AM PDT 1.46 260 0 Normal
03/21/2026 01 AM PDT 1.46 260 0 Normal
03/21/2026 02 AM PDT 1.45 258 - Normal
03/21/2026 03 AM PDT 1.45 258 0 Normal
03/21/2026 04 AM PDT 1.44 256 - Normal
03/21/2026 05 AM PDT 1.44 256 0 Normal
03/21/2026 06 AM PDT 1.44 256 0 Normal
03/21/2026 07 AM PDT 1.44 256 0 Normal
03/21/2026 08 AM PDT 1.43 253 - Normal
03/21/2026 09 AM PDT 1.43 253 0 Normal
03/21/2026 10 AM PDT 1.44 256 + Normal
03/21/2026 11 AM PDT 1.44 256 0 Normal
03/21/2026 12 PM PDT 1.44 256 0 Normal
03/21/2026 01 PM PDT 1.44 256 0 Normal
03/21/2026 02 PM PDT 1.43 253 - Normal
03/21/2026 03 PM PDT 1.44 256 + Normal
03/21/2026 04 PM PDT 1.44 256 0 Normal
03/21/2026 05 PM PDT 1.43 253 - Normal
03/21/2026 06 PM PDT 1.43 253 0 Normal
03/21/2026 07 PM PDT 1.43 253 0 Normal
03/21/2026 08 PM PDT 1.43 253 0 Normal
03/21/2026 09 PM PDT 1.42 251 - Normal
03/21/2026 10 PM PDT 1.42 251 0 Normal
03/21/2026 11 PM PDT 1.42 251 0 Normal
03/22/2026 12 AM PDT 1.42 251 0 Normal
03/22/2026 01 AM PDT 1.42 251 0 Normal
03/22/2026 02 AM PDT 1.42 251 0 Normal
03/22/2026 03 AM PDT 1.42 251 0 Normal
03/22/2026 04 AM PDT 1.41 249 - Normal
03/22/2026 05 AM PDT 1.41 249 0 Normal
03/22/2026 06 AM PDT 1.42 251 + Normal
03/22/2026 07 AM PDT 1.41 249 - Normal
03/22/2026 08 AM PDT 1.41 249 0 Normal
03/22/2026 09 AM PDT 1.41 249 0 Normal
03/22/2026 10 AM PDT 1.40 247 - Normal
03/22/2026 11 AM PDT 1.40 247 0 Normal
03/22/2026 12 PM PDT 1.41 249 + Normal
03/22/2026 01 PM PDT 1.40 247 - Normal
03/22/2026 02 PM PDT 1.40 247 0 Normal
03/22/2026 03 PM PDT 1.40 247 0 Normal
03/22/2026 04 PM PDT 1.40 247 0 Normal
03/22/2026 05 PM PDT 1.39 245 - Normal
03/22/2026 06 PM PDT 1.40 247 + Normal
03/22/2026 07 PM PDT 1.40 247 0 Normal
03/22/2026 08 PM PDT 1.39 245 - Normal
03/22/2026 09 PM PDT 1.40 247 + Normal
03/22/2026 10 PM PDT 1.39 245 - Normal
03/22/2026 11 PM PDT 1.40 247 + Normal
03/23/2026 12 AM PDT 1.40 247 0 Normal
03/23/2026 01 AM PDT 1.39 245 - Normal
03/23/2026 02 AM PDT 1.39 245 0 Normal
03/23/2026 03 AM PDT 1.39 245 0 Normal
03/23/2026 04 AM PDT 1.39 245 0 Normal
03/23/2026 05 AM PDT 1.39 245 0 Normal
03/23/2026 06 AM PDT 1.39 245 0 Normal
03/23/2026 07 AM PDT 1.38 243 - Normal
03/23/2026 08 AM PDT 1.38 243 0 Normal
03/23/2026 09 AM PDT 1.39 245 + Normal
03/23/2026 10 AM PDT 1.38 243 - Normal
03/23/2026 11 AM PDT 1.38 243 0 Normal
03/23/2026 12 PM PDT 1.38 243 0 Normal
03/23/2026 01 PM PDT 1.38 243 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 02 PM PDT 1.38 243 Normal
03/23/2026 03 PM PDT 1.38 243 0 Normal
03/23/2026 04 PM PDT 1.38 243 0 Normal
03/23/2026 05 PM PDT 1.37 241 - Normal
03/23/2026 06 PM PDT 1.37 241 0 Normal
03/23/2026 07 PM PDT 1.37 241 0 Normal
03/23/2026 08 PM PDT 1.37 241 0 Normal
03/23/2026 09 PM PDT 1.37 241 0 Normal
03/23/2026 10 PM PDT 1.37 241 0 Normal
03/23/2026 11 PM PDT 1.36 239 - Normal
03/24/2026 12 AM PDT 1.36 239 0 Normal
03/24/2026 01 AM PDT 1.36 239 0 Normal
03/24/2026 02 AM PDT 1.36 239 0 Normal
03/24/2026 03 AM PDT 1.36 239 0 Normal
03/24/2026 04 AM PDT 1.36 239 0 Normal
03/24/2026 05 AM PDT 1.36 239 0 Normal
03/24/2026 06 AM PDT 1.36 239 0 Normal
03/24/2026 07 AM PDT 1.36 239 0 Normal
03/24/2026 08 AM PDT 1.36 239 0 Normal
03/24/2026 09 AM PDT 1.35 237 - Normal
03/24/2026 10 AM PDT 1.35 237 0 Normal
03/24/2026 11 AM PDT 1.35 237 0 Normal
03/24/2026 12 PM PDT 1.35 237 0 Normal
03/24/2026 01 PM PDT 1.35 237 0 Normal
03/24/2026 02 PM PDT 1.35 237 0 Normal
03/24/2026 03 PM PDT 1.35 237 0 Normal
03/24/2026 04 PM PDT 1.35 237 0 Normal
03/24/2026 05 PM PDT 1.35 237 0 Normal
03/24/2026 06 PM PDT 1.35 237 0 Normal
03/24/2026 07 PM PDT 1.35 237 0 Normal
03/24/2026 08 PM PDT 1.34 235 - Normal
03/24/2026 09 PM PDT 1.34 235 0 Normal
03/24/2026 10 PM PDT 1.34 235 0 Normal
03/24/2026 11 PM PDT 1.34 235 0 Normal
03/25/2026 12 AM PDT 1.34 235 0 Normal
03/25/2026 01 AM PDT 1.34 235 0 Normal
03/25/2026 02 AM PDT 1.34 235 0 Normal
03/25/2026 03 AM PDT 1.34 235 0 Normal
03/25/2026 04 AM PDT 1.34 235 0 Normal
03/25/2026 05 AM PDT 1.34 235 0 Normal
03/25/2026 06 AM PDT 1.34 235 0 Normal
03/25/2026 07 AM PDT 1.34 235 0 Normal
03/25/2026 08 AM PDT 1.34 235 0 Normal
03/25/2026 09 AM PDT 1.33 233 - Normal
03/25/2026 10 AM PDT 1.33 233 0 Normal
03/25/2026 11 AM PDT 1.33 233 0 Normal
03/25/2026 12 PM PDT 1.33 233 0 Normal
03/25/2026 01 PM PDT 1.33 233 0 Normal
03/25/2026 02 PM PDT 1.33 233 0 Normal
03/25/2026 03 PM PDT 1.33 233 0 Normal
03/25/2026 04 PM PDT 1.33 233 0 Normal
03/25/2026 05 PM PDT 1.33 233 0 Normal
03/25/2026 06 PM PDT 1.33 233 0 Normal
03/25/2026 07 PM PDT 1.33 233 0 Normal
03/25/2026 08 PM PDT 1.33 233 0 Normal
03/25/2026 09 PM PDT 1.32 231 - Normal
03/25/2026 10 PM PDT 1.32 231 0 Normal
03/25/2026 11 PM PDT 1.32 231 0 Normal
03/26/2026 12 AM PDT 1.32 231 0 Normal
03/26/2026 01 AM PDT 1.32 231 0 Normal
03/26/2026 02 AM PDT 1.32 231 0 Normal
03/26/2026 03 AM PDT 1.32 231 0 Normal
03/26/2026 04 AM PDT 1.32 231 0 Normal
03/26/2026 05 AM PDT 1.32 231 0 Normal
03/26/2026 06 AM PDT 1.32 231 0 Normal
03/26/2026 07 AM PDT 1.32 231 0 Normal
03/26/2026 08 AM PDT 1.32 231 0 Normal
03/26/2026 09 AM PDT 1.32 231 0 Normal
03/26/2026 10 AM PDT 1.32 231 0 Normal
03/26/2026 11 AM PDT 1.31 229 - Normal
03/26/2026 12 PM PDT 1.31 229 0 Normal
03/26/2026 01 PM PDT 1.31 229 0 Normal
03/26/2026 02 PM PDT 1.31 229 0 Normal
03/26/2026 03 PM PDT 1.31 229 0 Normal
03/26/2026 04 PM PDT 1.31 229 0 Normal
03/26/2026 05 PM PDT 1.31 229 0 Normal
03/26/2026 06 PM PDT 1.31 229 0 Normal
03/26/2026 07 PM PDT 1.31 229 0 Normal
03/26/2026 08 PM PDT 1.31 229 0 Normal
03/26/2026 09 PM PDT 1.31 229 0 Normal
03/26/2026 10 PM PDT 1.31 229 0 Normal
03/26/2026 11 PM PDT 1.31 229 0 Normal
03/27/2026 12 AM PDT 1.31 229 0 Normal
03/27/2026 01 AM PDT 1.30 227 - Normal
03/27/2026 02 AM PDT 1.30 227 0 Normal
03/27/2026 03 AM PDT 1.30 227 0 Normal
03/27/2026 04 AM PDT 1.30 227 0 Normal
03/27/2026 05 AM PDT 1.30 227 0 Normal
03/27/2026 06 AM PDT 1.30 227 0 Normal
03/27/2026 07 AM PDT 1.30 227 0 Normal
03/27/2026 08 AM PDT 1.30 227 0 Normal
03/27/2026 09 AM PDT 1.30 227 0 Normal
03/27/2026 10 AM PDT 1.30 227 0 Normal
03/27/2026 11 AM PDT 1.30 227 0 Normal
03/27/2026 12 PM PDT 1.30 227 0 Normal
03/27/2026 01 PM PDT 1.30 227 0 Normal
03/27/2026 02 PM PDT 1.30 227 0 Normal
03/27/2026 03 PM PDT 1.30 227 0 Normal
03/27/2026 04 PM PDT 1.30 227 0 Normal
03/27/2026 05 PM PDT 1.29 225 - Normal
03/27/2026 06 PM PDT 1.29 225 0 Normal
03/27/2026 07 PM PDT 1.29 225 0 Normal
03/27/2026 08 PM PDT 1.29 225 0 Normal
03/27/2026 09 PM PDT 1.29 225 0 Normal
03/27/2026 10 PM PDT 1.29 225 0 Normal
03/27/2026 11 PM PDT 1.29 225 0 Normal
03/28/2026 12 AM PDT 1.29 225 0 Normal
03/28/2026 01 AM PDT 1.29 225 0 Normal
03/28/2026 02 AM PDT 1.29 225 0 Normal
03/28/2026 03 AM PDT 1.29 225 0 Normal
03/28/2026 04 AM PDT 1.29 225 0 Normal
03/28/2026 05 AM PDT 1.29 225 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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