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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: | May 01 2026 at 7:46 AM PDT | Next Issuance: | May 02 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: 05/01/2026 at 07:46 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/27/2026 at 06:00 PM PDT
# Maximum Observed Stage: 0.80 Feet
# Maximum Observed Flow: 135 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/01/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 0.77 Feet
# Maximum Forecast Flow: 130 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/26/2026 07 AM PDT 0.79 133 Normal
04/26/2026 08 AM PDT 0.79 133 0 Normal
04/26/2026 09 AM PDT 0.79 133 0 Normal
04/26/2026 10 AM PDT 0.79 133 0 Normal
04/26/2026 11 AM PDT 0.79 133 0 Normal
04/26/2026 12 PM PDT 0.79 133 0 Normal
04/26/2026 01 PM PDT 0.79 133 0 Normal
04/26/2026 02 PM PDT 0.78 131 - Normal
04/26/2026 03 PM PDT 0.78 131 0 Normal
04/26/2026 04 PM PDT 0.78 131 0 Normal
04/26/2026 05 PM PDT 0.78 131 0 Normal
04/26/2026 06 PM PDT 0.77 130 - Normal
04/26/2026 07 PM PDT 0.78 131 + Normal
04/26/2026 08 PM PDT 0.77 130 - Normal
04/26/2026 09 PM PDT 0.78 131 + Normal
04/26/2026 10 PM PDT 0.77 130 - Normal
04/26/2026 11 PM PDT 0.77 130 0 Normal
04/27/2026 12 AM PDT 0.77 130 0 Normal
04/27/2026 01 AM PDT 0.77 130 0 Normal
04/27/2026 02 AM PDT 0.77 130 0 Normal
04/27/2026 03 AM PDT 0.76 128 - Normal
04/27/2026 04 AM PDT 0.76 128 0 Normal
04/27/2026 05 AM PDT 0.76 128 0 Normal
04/27/2026 06 AM PDT 0.76 128 0 Normal
04/27/2026 07 AM PDT 0.75 126 - Normal
04/27/2026 08 AM PDT 0.76 128 + Normal
04/27/2026 09 AM PDT 0.75 126 - Normal
04/27/2026 10 AM PDT 0.76 128 + Normal
04/27/2026 11 AM PDT 0.75 126 - Normal
04/27/2026 12 PM PDT 0.75 126 0 Normal
04/27/2026 01 PM PDT 0.75 126 0 Normal
04/27/2026 02 PM PDT 0.75 126 0 Normal
04/27/2026 03 PM PDT 0.77 130 + Normal
04/27/2026 04 PM PDT 0.78 131 + Normal
04/27/2026 05 PM PDT 0.79 133 + Normal
04/27/2026 06 PM PDT 0.80 135 + Normal
04/27/2026 07 PM PDT 0.79 133 - Normal
04/27/2026 08 PM PDT 0.79 133 0 Normal
04/27/2026 09 PM PDT 0.79 133 0 Normal
04/27/2026 10 PM PDT 0.79 133 0 Normal
04/27/2026 11 PM PDT 0.79 133 0 Normal
04/28/2026 12 AM PDT 0.78 131 - Normal
04/28/2026 01 AM PDT 0.78 131 0 Normal
04/28/2026 02 AM PDT 0.78 131 0 Normal
04/28/2026 03 AM PDT 0.78 131 0 Normal
04/28/2026 04 AM PDT 0.78 131 0 Normal
04/28/2026 05 AM PDT 0.78 131 0 Normal
04/28/2026 06 AM PDT 0.78 131 0 Normal
04/28/2026 07 AM PDT 0.78 131 0 Normal
04/28/2026 08 AM PDT 0.78 131 0 Normal
04/28/2026 09 AM PDT 0.79 133 + Normal
04/28/2026 10 AM PDT 0.78 131 - Normal
04/28/2026 11 AM PDT 0.78 131 0 Normal
04/28/2026 12 PM PDT 0.77 130 - Normal
04/28/2026 01 PM PDT 0.77 130 0 Normal
04/28/2026 02 PM PDT 0.78 131 + Normal
04/28/2026 03 PM PDT 0.77 130 - Normal
04/28/2026 04 PM PDT 0.77 130 0 Normal
04/28/2026 05 PM PDT 0.77 130 0 Normal
04/28/2026 06 PM PDT 0.77 130 0 Normal
04/28/2026 07 PM PDT 0.76 128 - Normal
04/28/2026 08 PM PDT 0.77 130 + Normal
04/28/2026 09 PM PDT 0.76 128 - Normal
04/28/2026 10 PM PDT 0.76 128 0 Normal
04/28/2026 11 PM PDT 0.76 128 0 Normal
04/29/2026 12 AM PDT 0.76 128 0 Normal
04/29/2026 01 AM PDT 0.76 128 0 Normal
04/29/2026 02 AM PDT 0.76 128 0 Normal
04/29/2026 03 AM PDT 0.76 128 0 Normal
04/29/2026 04 AM PDT 0.76 128 0 Normal
04/29/2026 05 AM PDT 0.75 126 - Normal
04/29/2026 06 AM PDT 0.75 126 0 Normal
04/29/2026 07 AM PDT 0.75 126 0 Normal
04/29/2026 08 AM PDT 0.75 126 0 Normal
04/29/2026 09 AM PDT 0.74 125 - Normal
04/29/2026 10 AM PDT 0.75 126 + Normal
04/29/2026 11 AM PDT 0.75 126 0 Normal
04/29/2026 12 PM PDT 0.75 126 0 Normal
04/29/2026 01 PM PDT 0.75 126 0 Normal
04/29/2026 02 PM PDT 0.74 125 - Normal
04/29/2026 03 PM PDT 0.74 125 0 Normal
04/29/2026 04 PM PDT 0.74 125 0 Normal
04/29/2026 05 PM PDT 0.74 125 0 Normal
04/29/2026 06 PM PDT 0.74 125 0 Normal
04/29/2026 07 PM PDT 0.74 125 0 Normal
04/29/2026 08 PM PDT 0.74 125 0 Normal
04/29/2026 09 PM PDT 0.74 125 0 Normal
04/29/2026 10 PM PDT 0.74 125 0 Normal
04/29/2026 11 PM PDT 0.74 125 0 Normal
04/30/2026 12 AM PDT 0.74 125 0 Normal
04/30/2026 01 AM PDT 0.74 125 0 Normal
04/30/2026 02 AM PDT 0.75 126 + Normal
04/30/2026 03 AM PDT 0.76 128 + Normal
04/30/2026 04 AM PDT 0.77 130 + Normal
04/30/2026 05 AM PDT 0.77 130 0 Normal
04/30/2026 06 AM PDT 0.77 130 0 Normal
04/30/2026 07 AM PDT 0.77 130 0 Normal
04/30/2026 08 AM PDT 0.77 130 0 Normal
04/30/2026 09 AM PDT 0.77 130 0 Normal
04/30/2026 10 AM PDT 0.77 130 0 Normal
04/30/2026 11 AM PDT 0.79 133 + Normal
04/30/2026 12 PM PDT 0.79 133 0 Normal
04/30/2026 01 PM PDT 0.78 131 - Normal
04/30/2026 02 PM PDT 0.78 131 0 Normal
04/30/2026 03 PM PDT 0.78 131 0 Normal
04/30/2026 04 PM PDT 0.78 131 0 Normal
04/30/2026 05 PM PDT 0.78 131 0 Normal
04/30/2026 06 PM PDT 0.78 131 0 Normal
04/30/2026 07 PM PDT 0.77 130 - Normal
04/30/2026 08 PM PDT 0.78 131 + Normal
04/30/2026 09 PM PDT 0.78 131 0 Normal
04/30/2026 10 PM PDT 0.77 130 - Normal
04/30/2026 11 PM PDT 0.77 130 0 Normal
05/01/2026 12 AM PDT 0.78 131 + Normal
05/01/2026 01 AM PDT 0.77 130 - Normal
05/01/2026 02 AM PDT 0.78 131 + Normal
05/01/2026 03 AM PDT 0.77 130 - Normal
05/01/2026 04 AM PDT 0.77 130 0 Normal
05/01/2026 05 AM PDT 0.77 130 0 Normal
05/01/2026 06 AM PDT 0.77 130 0 Normal
05/01/2026 07 AM PDT 0.77 130 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/01/2026 08 AM PDT 0.77 130 Normal
05/01/2026 09 AM PDT 0.77 130 0 Normal
05/01/2026 10 AM PDT 0.77 130 0 Normal
05/01/2026 11 AM PDT 0.77 130 0 Normal
05/01/2026 12 PM PDT 0.77 130 0 Normal
05/01/2026 01 PM PDT 0.77 130 0 Normal
05/01/2026 02 PM PDT 0.77 130 0 Normal
05/01/2026 03 PM PDT 0.77 130 0 Normal
05/01/2026 04 PM PDT 0.77 130 0 Normal
05/01/2026 05 PM PDT 0.77 130 0 Normal
05/01/2026 06 PM PDT 0.77 130 0 Normal
05/01/2026 07 PM PDT 0.77 130 0 Normal
05/01/2026 08 PM PDT 0.77 130 0 Normal
05/01/2026 09 PM PDT 0.77 130 0 Normal
05/01/2026 10 PM PDT 0.77 130 0 Normal
05/01/2026 11 PM PDT 0.76 128 - Normal
05/02/2026 12 AM PDT 0.76 128 0 Normal
05/02/2026 01 AM PDT 0.76 128 0 Normal
05/02/2026 02 AM PDT 0.76 128 0 Normal
05/02/2026 03 AM PDT 0.76 128 0 Normal
05/02/2026 04 AM PDT 0.76 128 0 Normal
05/02/2026 05 AM PDT 0.76 128 0 Normal
05/02/2026 06 AM PDT 0.76 128 0 Normal
05/02/2026 07 AM PDT 0.76 128 0 Normal
05/02/2026 08 AM PDT 0.76 128 0 Normal
05/02/2026 09 AM PDT 0.76 128 0 Normal
05/02/2026 10 AM PDT 0.76 128 0 Normal
05/02/2026 11 AM PDT 0.76 128 0 Normal
05/02/2026 12 PM PDT 0.76 128 0 Normal
05/02/2026 01 PM PDT 0.76 128 0 Normal
05/02/2026 02 PM PDT 0.76 128 0 Normal
05/02/2026 03 PM PDT 0.76 128 0 Normal
05/02/2026 04 PM PDT 0.76 128 0 Normal
05/02/2026 05 PM PDT 0.76 128 0 Normal
05/02/2026 06 PM PDT 0.76 128 0 Normal
05/02/2026 07 PM PDT 0.76 128 0 Normal
05/02/2026 08 PM PDT 0.76 128 0 Normal
05/02/2026 09 PM PDT 0.75 126 - Normal
05/02/2026 10 PM PDT 0.75 126 0 Normal
05/02/2026 11 PM PDT 0.75 126 0 Normal
05/03/2026 12 AM PDT 0.75 126 0 Normal
05/03/2026 01 AM PDT 0.75 126 0 Normal
05/03/2026 02 AM PDT 0.75 126 0 Normal
05/03/2026 03 AM PDT 0.75 126 0 Normal
05/03/2026 04 AM PDT 0.75 126 0 Normal
05/03/2026 05 AM PDT 0.75 126 0 Normal
05/03/2026 06 AM PDT 0.75 126 0 Normal
05/03/2026 07 AM PDT 0.75 126 0 Normal
05/03/2026 08 AM PDT 0.75 126 0 Normal
05/03/2026 09 AM PDT 0.75 126 0 Normal
05/03/2026 10 AM PDT 0.75 126 0 Normal
05/03/2026 11 AM PDT 0.75 126 0 Normal
05/03/2026 12 PM PDT 0.75 126 0 Normal
05/03/2026 01 PM PDT 0.75 126 0 Normal
05/03/2026 02 PM PDT 0.75 126 0 Normal
05/03/2026 03 PM PDT 0.75 126 0 Normal
05/03/2026 04 PM PDT 0.75 126 0 Normal
05/03/2026 05 PM PDT 0.75 126 0 Normal
05/03/2026 06 PM PDT 0.74 125 - Normal
05/03/2026 07 PM PDT 0.74 125 0 Normal
05/03/2026 08 PM PDT 0.74 125 0 Normal
05/03/2026 09 PM PDT 0.74 125 0 Normal
05/03/2026 10 PM PDT 0.74 125 0 Normal
05/03/2026 11 PM PDT 0.74 125 0 Normal
05/04/2026 12 AM PDT 0.74 125 0 Normal
05/04/2026 01 AM PDT 0.74 125 0 Normal
05/04/2026 02 AM PDT 0.74 125 0 Normal
05/04/2026 03 AM PDT 0.74 125 0 Normal
05/04/2026 04 AM PDT 0.74 125 0 Normal
05/04/2026 05 AM PDT 0.74 125 0 Normal
05/04/2026 06 AM PDT 0.74 125 0 Normal
05/04/2026 07 AM PDT 0.74 125 0 Normal
05/04/2026 08 AM PDT 0.74 125 0 Normal
05/04/2026 09 AM PDT 0.74 125 0 Normal
05/04/2026 10 AM PDT 0.74 125 0 Normal
05/04/2026 11 AM PDT 0.74 125 0 Normal
05/04/2026 12 PM PDT 0.74 125 0 Normal
05/04/2026 01 PM PDT 0.74 125 0 Normal
05/04/2026 02 PM PDT 0.74 125 0 Normal
05/04/2026 03 PM PDT 0.74 125 0 Normal
05/04/2026 04 PM PDT 0.74 125 0 Normal
05/04/2026 05 PM PDT 0.74 125 0 Normal
05/04/2026 06 PM PDT 0.74 125 0 Normal
05/04/2026 07 PM PDT 0.74 125 0 Normal
05/04/2026 08 PM PDT 0.74 125 0 Normal
05/04/2026 09 PM PDT 0.74 125 0 Normal
05/04/2026 10 PM PDT 0.74 125 0 Normal
05/04/2026 11 PM PDT 0.74 125 0 Normal
05/05/2026 12 AM PDT 0.74 125 0 Normal
05/05/2026 01 AM PDT 0.74 125 0 Normal
05/05/2026 02 AM PDT 0.74 125 0 Normal
05/05/2026 03 AM PDT 0.74 125 0 Normal
05/05/2026 04 AM PDT 0.73 123 - Normal
05/05/2026 05 AM PDT 0.73 123 0 Normal
05/05/2026 06 AM PDT 0.73 123 0 Normal
05/05/2026 07 AM PDT 0.73 123 0 Normal
05/05/2026 08 AM PDT 0.73 123 0 Normal
05/05/2026 09 AM PDT 0.73 123 0 Normal
05/05/2026 10 AM PDT 0.73 123 0 Normal
05/05/2026 11 AM PDT 0.73 123 0 Normal
05/05/2026 12 PM PDT 0.73 123 0 Normal
05/05/2026 01 PM PDT 0.73 123 0 Normal
05/05/2026 02 PM PDT 0.73 123 0 Normal
05/05/2026 03 PM PDT 0.73 123 0 Normal
05/05/2026 04 PM PDT 0.73 123 0 Normal
05/05/2026 05 PM PDT 0.73 123 0 Normal
05/05/2026 06 PM PDT 0.73 123 0 Normal
05/05/2026 07 PM PDT 0.73 123 0 Normal
05/05/2026 08 PM PDT 0.73 123 0 Normal
05/05/2026 09 PM PDT 0.73 123 0 Normal
05/05/2026 10 PM PDT 0.73 123 0 Normal
05/05/2026 11 PM PDT 0.73 123 0 Normal
05/06/2026 12 AM PDT 0.72 121 - Normal
05/06/2026 01 AM PDT 0.72 121 0 Normal
05/06/2026 02 AM PDT 0.72 121 0 Normal
05/06/2026 03 AM PDT 0.72 121 0 Normal
05/06/2026 04 AM PDT 0.72 121 0 Normal
05/06/2026 05 AM PDT 0.72 121 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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