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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: | Jul 18 2026 at 8:18 AM PDT | Next Issuance: | Jul 19 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: 07/18/2026 at 08:18 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/18/2026 at 08:00 AM PDT
# Maximum Observed Stage: 0.68 Feet
# Maximum Observed Flow: 115 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/18/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 0.68 Feet
# Maximum Forecast Flow: 115 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/13/2026 08 AM PDT 0.54 93 Normal
07/13/2026 09 AM PDT 0.53 91 - Normal
07/13/2026 10 AM PDT 0.51 88 - Normal
07/13/2026 11 AM PDT 0.49 85 - Normal
07/13/2026 12 PM PDT 0.47 82 - Normal
07/13/2026 01 PM PDT 0.46 81 - Normal
07/13/2026 02 PM PDT 0.45 80 - Normal
07/13/2026 03 PM PDT 0.44 78 - Normal
07/13/2026 04 PM PDT 0.43 77 - Normal
07/13/2026 05 PM PDT 0.44 78 + Normal
07/13/2026 06 PM PDT 0.46 81 + Normal
07/13/2026 07 PM PDT 0.49 85 + Normal
07/13/2026 08 PM PDT 0.50 87 + Normal
07/13/2026 09 PM PDT 0.51 88 + Normal
07/13/2026 10 PM PDT 0.50 87 - Normal
07/13/2026 11 PM PDT 0.50 87 0 Normal
07/14/2026 12 AM PDT 0.50 87 0 Normal
07/14/2026 01 AM PDT 0.50 87 0 Normal
07/14/2026 02 AM PDT 0.51 88 + Normal
07/14/2026 03 AM PDT 0.51 88 0 Normal
07/14/2026 04 AM PDT 0.52 90 + Normal
07/14/2026 05 AM PDT 0.52 90 0 Normal
07/14/2026 06 AM PDT 0.53 91 + Normal
07/14/2026 07 AM PDT 0.53 91 0 Normal
07/14/2026 08 AM PDT 0.55 94 + Normal
07/14/2026 09 AM PDT 0.56 96 + Normal
07/14/2026 10 AM PDT 0.55 94 - Normal
07/14/2026 11 AM PDT 0.54 93 - Normal
07/14/2026 12 PM PDT 0.53 91 - Normal
07/14/2026 01 PM PDT 0.53 91 0 Normal
07/14/2026 02 PM PDT 0.53 91 0 Normal
07/14/2026 03 PM PDT 0.54 93 + Normal
07/14/2026 04 PM PDT 0.54 93 0 Normal
07/14/2026 05 PM PDT 0.54 93 0 Normal
07/14/2026 06 PM PDT 0.53 91 - Normal
07/14/2026 07 PM PDT 0.53 91 0 Normal
07/14/2026 08 PM PDT 0.53 91 0 Normal
07/14/2026 09 PM PDT 0.53 91 0 Normal
07/14/2026 10 PM PDT 0.56 96 + Normal
07/14/2026 11 PM PDT 0.56 96 0 Normal
07/15/2026 12 AM PDT 0.56 96 0 Normal
07/15/2026 01 AM PDT 0.56 96 0 Normal
07/15/2026 02 AM PDT 0.56 96 0 Normal
07/15/2026 03 AM PDT 0.57 97 + Normal
07/15/2026 04 AM PDT 0.57 97 0 Normal
07/15/2026 05 AM PDT 0.57 97 0 Normal
07/15/2026 06 AM PDT 0.57 97 0 Normal
07/15/2026 07 AM PDT 0.57 97 0 Normal
07/15/2026 08 AM PDT 0.58 99 + Normal
07/15/2026 09 AM PDT 0.58 99 0 Normal
07/15/2026 10 AM PDT 0.58 99 0 Normal
07/15/2026 11 AM PDT 0.57 97 - Normal
07/15/2026 12 PM PDT 0.56 96 - Normal
07/15/2026 01 PM PDT 0.53 91 - Normal
07/15/2026 02 PM PDT 0.52 90 - Normal
07/15/2026 03 PM PDT 0.51 88 - Normal
07/15/2026 04 PM PDT 0.51 88 0 Normal
07/15/2026 05 PM PDT 0.52 90 + Normal
07/15/2026 06 PM PDT 0.54 93 + Normal
07/15/2026 07 PM PDT 0.55 94 + Normal
07/15/2026 08 PM PDT 0.55 94 0 Normal
07/15/2026 09 PM PDT 0.56 96 + Normal
07/15/2026 10 PM PDT 0.57 97 + Normal
07/15/2026 11 PM PDT 0.58 99 + Normal
07/16/2026 12 AM PDT 0.60 102 + Normal
07/16/2026 01 AM PDT 0.60 102 0 Normal
07/16/2026 02 AM PDT 0.60 102 0 Normal
07/16/2026 03 AM PDT 0.61 104 + Normal
07/16/2026 04 AM PDT 0.62 105 + Normal
07/16/2026 05 AM PDT 0.61 104 - Normal
07/16/2026 06 AM PDT 0.62 105 + Normal
07/16/2026 07 AM PDT 0.62 105 0 Normal
07/16/2026 08 AM PDT 0.62 105 0 Normal
07/16/2026 09 AM PDT 0.61 104 - Normal
07/16/2026 10 AM PDT 0.60 102 - Normal
07/16/2026 11 AM PDT 0.59 101 - Normal
07/16/2026 12 PM PDT 0.58 99 - Normal
07/16/2026 01 PM PDT 0.57 97 - Normal
07/16/2026 02 PM PDT 0.57 97 0 Normal
07/16/2026 03 PM PDT 0.58 99 + Normal
07/16/2026 04 PM PDT 0.58 99 0 Normal
07/16/2026 05 PM PDT 0.57 97 - Normal
07/16/2026 06 PM PDT 0.58 99 + Normal
07/16/2026 07 PM PDT 0.57 97 - Normal
07/16/2026 08 PM PDT 0.58 99 + Normal
07/16/2026 09 PM PDT 0.58 99 0 Normal
07/16/2026 10 PM PDT 0.59 101 + Normal
07/16/2026 11 PM PDT 0.60 102 + Normal
07/17/2026 12 AM PDT 0.60 102 0 Normal
07/17/2026 01 AM PDT 0.60 102 0 Normal
07/17/2026 02 AM PDT 0.61 104 + Normal
07/17/2026 03 AM PDT 0.61 104 0 Normal
07/17/2026 04 AM PDT 0.61 104 0 Normal
07/17/2026 05 AM PDT 0.62 105 + Normal
07/17/2026 06 AM PDT 0.62 105 0 Normal
07/17/2026 07 AM PDT 0.62 105 0 Normal
07/17/2026 08 AM PDT 0.62 105 0 Normal
07/17/2026 09 AM PDT 0.62 105 0 Normal
07/17/2026 10 AM PDT 0.61 104 - Normal
07/17/2026 11 AM PDT 0.61 104 0 Normal
07/17/2026 12 PM PDT 0.60 102 - Normal
07/17/2026 01 PM PDT 0.57 97 - Normal
07/17/2026 02 PM PDT 0.56 96 - Normal
07/17/2026 03 PM PDT 0.55 94 - Normal
07/17/2026 04 PM PDT 0.59 101 + Normal
07/17/2026 05 PM PDT 0.62 105 + Normal
07/17/2026 06 PM PDT 0.64 108 + Normal
07/17/2026 07 PM PDT 0.65 110 + Normal
07/17/2026 08 PM PDT 0.66 112 + Normal
07/17/2026 09 PM PDT 0.66 112 0 Normal
07/17/2026 10 PM PDT 0.66 112 0 Normal
07/17/2026 11 PM PDT 0.66 112 0 Normal
07/18/2026 12 AM PDT 0.67 113 + Normal
07/18/2026 01 AM PDT 0.67 113 0 Normal
07/18/2026 02 AM PDT 0.67 113 0 Normal
07/18/2026 03 AM PDT 0.67 113 0 Normal
07/18/2026 04 AM PDT 0.68 115 + Normal
07/18/2026 05 AM PDT 0.68 115 0 Normal
07/18/2026 06 AM PDT 0.68 115 0 Normal
07/18/2026 07 AM PDT 0.68 115 0 Normal
07/18/2026 08 AM PDT 0.68 115 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/18/2026 09 AM PDT 0.68 115 Normal
07/18/2026 10 AM PDT 0.68 115 0 Normal
07/18/2026 11 AM PDT 0.68 115 0 Normal
07/18/2026 12 PM PDT 0.68 115 0 Normal
07/18/2026 01 PM PDT 0.68 115 0 Normal
07/18/2026 02 PM PDT 0.68 115 0 Normal
07/18/2026 03 PM PDT 0.68 115 0 Normal
07/18/2026 04 PM PDT 0.68 115 0 Normal
07/18/2026 05 PM PDT 0.68 115 0 Normal
07/18/2026 06 PM PDT 0.68 115 0 Normal
07/18/2026 07 PM PDT 0.68 115 0 Normal
07/18/2026 08 PM PDT 0.68 115 0 Normal
07/18/2026 09 PM PDT 0.68 115 0 Normal
07/18/2026 10 PM PDT 0.68 115 0 Normal
07/18/2026 11 PM PDT 0.68 115 0 Normal
07/19/2026 12 AM PDT 0.68 115 0 Normal
07/19/2026 01 AM PDT 0.68 115 0 Normal
07/19/2026 02 AM PDT 0.68 115 0 Normal
07/19/2026 03 AM PDT 0.68 115 0 Normal
07/19/2026 04 AM PDT 0.68 115 0 Normal
07/19/2026 05 AM PDT 0.68 115 0 Normal
07/19/2026 06 AM PDT 0.68 115 0 Normal
07/19/2026 07 AM PDT 0.68 115 0 Normal
07/19/2026 08 AM PDT 0.68 115 0 Normal
07/19/2026 09 AM PDT 0.68 115 0 Normal
07/19/2026 10 AM PDT 0.68 115 0 Normal
07/19/2026 11 AM PDT 0.68 115 0 Normal
07/19/2026 12 PM PDT 0.68 115 0 Normal
07/19/2026 01 PM PDT 0.68 115 0 Normal
07/19/2026 02 PM PDT 0.68 115 0 Normal
07/19/2026 03 PM PDT 0.68 115 0 Normal
07/19/2026 04 PM PDT 0.68 115 0 Normal
07/19/2026 05 PM PDT 0.68 115 0 Normal
07/19/2026 06 PM PDT 0.68 115 0 Normal
07/19/2026 07 PM PDT 0.68 115 0 Normal
07/19/2026 08 PM PDT 0.68 115 0 Normal
07/19/2026 09 PM PDT 0.68 115 0 Normal
07/19/2026 10 PM PDT 0.68 115 0 Normal
07/19/2026 11 PM PDT 0.68 115 0 Normal
07/20/2026 12 AM PDT 0.68 115 0 Normal
07/20/2026 01 AM PDT 0.68 115 0 Normal
07/20/2026 02 AM PDT 0.68 115 0 Normal
07/20/2026 03 AM PDT 0.68 115 0 Normal
07/20/2026 04 AM PDT 0.68 115 0 Normal
07/20/2026 05 AM PDT 0.68 115 0 Normal
07/20/2026 06 AM PDT 0.68 115 0 Normal
07/20/2026 07 AM PDT 0.68 115 0 Normal
07/20/2026 08 AM PDT 0.68 115 0 Normal
07/20/2026 09 AM PDT 0.68 115 0 Normal
07/20/2026 10 AM PDT 0.68 115 0 Normal
07/20/2026 11 AM PDT 0.68 115 0 Normal
07/20/2026 12 PM PDT 0.68 115 0 Normal
07/20/2026 01 PM PDT 0.68 115 0 Normal
07/20/2026 02 PM PDT 0.68 115 0 Normal
07/20/2026 03 PM PDT 0.68 115 0 Normal
07/20/2026 04 PM PDT 0.68 115 0 Normal
07/20/2026 05 PM PDT 0.68 115 0 Normal
07/20/2026 06 PM PDT 0.68 115 0 Normal
07/20/2026 07 PM PDT 0.68 115 0 Normal
07/20/2026 08 PM PDT 0.68 115 0 Normal
07/20/2026 09 PM PDT 0.68 115 0 Normal
07/20/2026 10 PM PDT 0.68 115 0 Normal
07/20/2026 11 PM PDT 0.68 115 0 Normal
07/21/2026 12 AM PDT 0.68 115 0 Normal
07/21/2026 01 AM PDT 0.68 115 0 Normal
07/21/2026 02 AM PDT 0.68 115 0 Normal
07/21/2026 03 AM PDT 0.68 115 0 Normal
07/21/2026 04 AM PDT 0.68 115 0 Normal
07/21/2026 05 AM PDT 0.68 115 0 Normal
07/21/2026 06 AM PDT 0.68 115 0 Normal
07/21/2026 07 AM PDT 0.68 115 0 Normal
07/21/2026 08 AM PDT 0.68 115 0 Normal
07/21/2026 09 AM PDT 0.68 115 0 Normal
07/21/2026 10 AM PDT 0.68 115 0 Normal
07/21/2026 11 AM PDT 0.68 115 0 Normal
07/21/2026 12 PM PDT 0.68 115 0 Normal
07/21/2026 01 PM PDT 0.68 115 0 Normal
07/21/2026 02 PM PDT 0.68 115 0 Normal
07/21/2026 03 PM PDT 0.68 115 0 Normal
07/21/2026 04 PM PDT 0.68 115 0 Normal
07/21/2026 05 PM PDT 0.68 115 0 Normal
07/21/2026 06 PM PDT 0.68 115 0 Normal
07/21/2026 07 PM PDT 0.68 115 0 Normal
07/21/2026 08 PM PDT 0.68 115 0 Normal
07/21/2026 09 PM PDT 0.68 115 0 Normal
07/21/2026 10 PM PDT 0.68 115 0 Normal
07/21/2026 11 PM PDT 0.68 115 0 Normal
07/22/2026 12 AM PDT 0.68 115 0 Normal
07/22/2026 01 AM PDT 0.68 115 0 Normal
07/22/2026 02 AM PDT 0.68 115 0 Normal
07/22/2026 03 AM PDT 0.68 115 0 Normal
07/22/2026 04 AM PDT 0.68 115 0 Normal
07/22/2026 05 AM PDT 0.68 115 0 Normal
07/22/2026 06 AM PDT 0.68 115 0 Normal
07/22/2026 07 AM PDT 0.68 115 0 Normal
07/22/2026 08 AM PDT 0.68 115 0 Normal
07/22/2026 09 AM PDT 0.68 115 0 Normal
07/22/2026 10 AM PDT 0.68 115 0 Normal
07/22/2026 11 AM PDT 0.68 115 0 Normal
07/22/2026 12 PM PDT 0.68 115 0 Normal
07/22/2026 01 PM PDT 0.68 115 0 Normal
07/22/2026 02 PM PDT 0.68 115 0 Normal
07/22/2026 03 PM PDT 0.68 115 0 Normal
07/22/2026 04 PM PDT 0.68 115 0 Normal
07/22/2026 05 PM PDT 0.68 115 0 Normal
07/22/2026 06 PM PDT 0.68 115 0 Normal
07/22/2026 07 PM PDT 0.68 115 0 Normal
07/22/2026 08 PM PDT 0.68 115 0 Normal
07/22/2026 09 PM PDT 0.68 115 0 Normal
07/22/2026 10 PM PDT 0.68 115 0 Normal
07/22/2026 11 PM PDT 0.68 115 0 Normal
07/23/2026 12 AM PDT 0.68 115 0 Normal
07/23/2026 01 AM PDT 0.68 115 0 Normal
07/23/2026 02 AM PDT 0.68 115 0 Normal
07/23/2026 03 AM PDT 0.68 115 0 Normal
07/23/2026 04 AM PDT 0.68 115 0 Normal
07/23/2026 05 AM PDT 0.68 115 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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