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RUSSIAN RIVER - GEYSERVILLE (GEYC1)
| Latitude: 38.71º N | Longitude: 122.89º W | Elevation: 190 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Jun 22 2026 at 7:10 AM PDT | Next Issuance: | Jun 23 2026 at 9:00 AM PDT
| |
| Action/Monitor: 38.0 Feet | Minor Flood: 39.7 Feet | Moderate Flood: 46.0 Feet | Major Flood: 50.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Geyserville (GEYC1)
#
# File Generation Time: 06/22/2026 at 07:11 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/21/2026 at 02:00 PM PDT
# Maximum Observed Stage: 24.21 Feet
# Maximum Observed Flow: 102 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/23/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 24.20 Feet
# Maximum Forecast Flow: 100 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/17/2026 07 AM PDT 24.17 95 Normal
06/17/2026 08 AM PDT 24.17 95 0 Normal
06/17/2026 09 AM PDT 24.17 95 0 Normal
06/17/2026 10 AM PDT 24.16 93 - Normal
06/17/2026 11 AM PDT 24.16 93 0 Normal
06/17/2026 12 PM PDT 24.17 95 + Normal
06/17/2026 01 PM PDT 24.17 95 0 Normal
06/17/2026 02 PM PDT 24.18 97 + Normal
06/17/2026 03 PM PDT 24.18 97 0 Normal
06/17/2026 04 PM PDT 24.18 97 0 Normal
06/17/2026 05 PM PDT 24.17 95 - Normal
06/17/2026 06 PM PDT 24.17 95 0 Normal
06/17/2026 07 PM PDT 24.17 95 0 Normal
06/17/2026 08 PM PDT 24.17 95 0 Normal
06/17/2026 09 PM PDT 24.18 97 + Normal
06/17/2026 10 PM PDT 24.18 97 0 Normal
06/17/2026 11 PM PDT 24.18 97 0 Normal
06/18/2026 12 AM PDT 24.18 97 0 Normal
06/18/2026 01 AM PDT 24.18 97 0 Normal
06/18/2026 02 AM PDT 24.19 98 + Normal
06/18/2026 03 AM PDT 24.19 98 0 Normal
06/18/2026 04 AM PDT 24.19 98 0 Normal
06/18/2026 05 AM PDT 24.18 97 - Normal
06/18/2026 06 AM PDT 24.17 95 - Normal
06/18/2026 07 AM PDT 24.18 97 + Normal
06/18/2026 08 AM PDT 24.18 97 0 Normal
06/18/2026 09 AM PDT 24.17 95 - Normal
06/18/2026 10 AM PDT 24.18 97 + Normal
06/18/2026 11 AM PDT 24.17 95 - Normal
06/18/2026 12 PM PDT 24.18 97 + Normal
06/18/2026 01 PM PDT 24.18 97 0 Normal
06/18/2026 02 PM PDT 24.18 97 0 Normal
06/18/2026 03 PM PDT 24.18 97 0 Normal
06/18/2026 04 PM PDT 24.18 97 0 Normal
06/18/2026 05 PM PDT 24.18 97 0 Normal
06/18/2026 06 PM PDT 24.18 97 0 Normal
06/18/2026 07 PM PDT 24.19 98 + Normal
06/18/2026 08 PM PDT 24.19 98 0 Normal
06/18/2026 09 PM PDT 24.19 98 0 Normal
06/18/2026 10 PM PDT 24.19 98 0 Normal
06/18/2026 11 PM PDT 24.19 98 0 Normal
06/19/2026 12 AM PDT 24.19 98 0 Normal
06/19/2026 01 AM PDT 24.19 98 0 Normal
06/19/2026 02 AM PDT 24.20 100 + Normal
06/19/2026 03 AM PDT 24.19 98 - Normal
06/19/2026 04 AM PDT 24.19 98 0 Normal
06/19/2026 05 AM PDT 24.20 100 + Normal
06/19/2026 06 AM PDT 24.18 97 - Normal
06/19/2026 07 AM PDT 24.19 98 + Normal
06/19/2026 08 AM PDT 24.18 97 - Normal
06/19/2026 09 AM PDT 24.18 97 0 Normal
06/19/2026 10 AM PDT 24.18 97 0 Normal
06/19/2026 11 AM PDT 24.18 97 0 Normal
06/19/2026 12 PM PDT 24.18 97 0 Normal
06/19/2026 01 PM PDT 24.18 97 0 Normal
06/19/2026 02 PM PDT 24.18 97 0 Normal
06/19/2026 03 PM PDT 24.18 97 0 Normal
06/19/2026 04 PM PDT 24.18 97 0 Normal
06/19/2026 05 PM PDT 24.19 98 + Normal
06/19/2026 06 PM PDT 24.18 97 - Normal
06/19/2026 07 PM PDT 24.19 98 + Normal
06/19/2026 08 PM PDT 24.19 98 0 Normal
06/19/2026 09 PM PDT 24.19 98 0 Normal
06/19/2026 10 PM PDT 24.18 97 - Normal
06/19/2026 11 PM PDT 24.19 98 + Normal
06/20/2026 12 AM PDT 24.19 98 0 Normal
06/20/2026 01 AM PDT 24.20 100 + Normal
06/20/2026 02 AM PDT 24.20 100 0 Normal
06/20/2026 03 AM PDT 24.19 98 - Normal
06/20/2026 04 AM PDT 24.20 100 + Normal
06/20/2026 05 AM PDT 24.20 100 0 Normal
06/20/2026 06 AM PDT 24.20 100 0 Normal
06/20/2026 07 AM PDT 24.20 100 0 Normal
06/20/2026 08 AM PDT 24.19 98 - Normal
06/20/2026 09 AM PDT 24.20 100 + Normal
06/20/2026 10 AM PDT 24.20 100 0 Normal
06/20/2026 11 AM PDT 24.21 102 + Normal
06/20/2026 12 PM PDT 24.20 100 - Normal
06/20/2026 01 PM PDT 24.20 100 0 Normal
06/20/2026 02 PM PDT 24.21 102 + Normal
06/20/2026 03 PM PDT 24.20 100 - Normal
06/20/2026 04 PM PDT 24.19 98 - Normal
06/20/2026 05 PM PDT 24.19 98 0 Normal
06/20/2026 06 PM PDT 24.19 98 0 Normal
06/20/2026 07 PM PDT 24.20 100 + Normal
06/20/2026 08 PM PDT 24.19 98 - Normal
06/20/2026 09 PM PDT 24.19 98 0 Normal
06/20/2026 10 PM PDT 24.18 97 - Normal
06/20/2026 11 PM PDT 24.19 98 + Normal
06/21/2026 12 AM PDT 24.18 97 - Normal
06/21/2026 01 AM PDT 24.18 97 0 Normal
06/21/2026 02 AM PDT 24.19 98 + Normal
06/21/2026 03 AM PDT 24.19 98 0 Normal
06/21/2026 04 AM PDT 24.19 98 0 Normal
06/21/2026 05 AM PDT 24.19 98 0 Normal
06/21/2026 06 AM PDT 24.19 98 0 Normal
06/21/2026 07 AM PDT 24.19 98 0 Normal
06/21/2026 08 AM PDT 24.19 98 0 Normal
06/21/2026 09 AM PDT 24.19 98 0 Normal
06/21/2026 10 AM PDT 24.19 98 0 Normal
06/21/2026 11 AM PDT 24.19 98 0 Normal
06/21/2026 12 PM PDT 24.20 100 + Normal
06/21/2026 01 PM PDT 24.21 102 + Normal
06/21/2026 02 PM PDT 24.21 102 0 Normal
06/21/2026 03 PM PDT 24.20 100 - Normal
06/21/2026 04 PM PDT 24.19 98 - Normal
06/21/2026 05 PM PDT 24.19 98 0 Normal
06/21/2026 06 PM PDT 24.19 98 0 Normal
06/21/2026 07 PM PDT 24.19 98 0 Normal
06/21/2026 08 PM PDT 24.19 98 0 Normal
06/21/2026 09 PM PDT 24.19 98 0 Normal
06/21/2026 10 PM PDT 24.18 97 - Normal
06/21/2026 11 PM PDT 24.18 97 0 Normal
06/22/2026 12 AM PDT 24.18 97 0 Normal
06/22/2026 01 AM PDT 24.18 97 0 Normal
06/22/2026 02 AM PDT 24.18 97 0 Normal
06/22/2026 03 AM PDT 24.19 98 + Normal
06/22/2026 04 AM PDT 24.18 97 - Normal
06/22/2026 05 AM PDT 24.18 97 0 Normal
06/22/2026 06 AM PDT 24.18 97 0 Normal
06/22/2026 07 AM PDT 24.17 95 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/22/2026 08 AM PDT 24.17 95 Normal
06/22/2026 09 AM PDT 24.17 95 0 Normal
06/22/2026 10 AM PDT 24.16 93 - Normal
06/22/2026 11 AM PDT 24.17 95 + Normal
06/22/2026 12 PM PDT 24.17 95 0 Normal
06/22/2026 01 PM PDT 24.17 95 0 Normal
06/22/2026 02 PM PDT 24.17 95 0 Normal
06/22/2026 03 PM PDT 24.17 95 0 Normal
06/22/2026 04 PM PDT 24.17 95 0 Normal
06/22/2026 05 PM PDT 24.18 97 + Normal
06/22/2026 06 PM PDT 24.18 97 0 Normal
06/22/2026 07 PM PDT 24.18 97 0 Normal
06/22/2026 08 PM PDT 24.18 97 0 Normal
06/22/2026 09 PM PDT 24.18 97 0 Normal
06/22/2026 10 PM PDT 24.18 97 0 Normal
06/22/2026 11 PM PDT 24.19 98 + Normal
06/23/2026 12 AM PDT 24.19 98 0 Normal
06/23/2026 01 AM PDT 24.19 98 0 Normal
06/23/2026 02 AM PDT 24.19 98 0 Normal
06/23/2026 03 AM PDT 24.19 98 0 Normal
06/23/2026 04 AM PDT 24.19 98 0 Normal
06/23/2026 05 AM PDT 24.19 98 0 Normal
06/23/2026 06 AM PDT 24.19 98 0 Normal
06/23/2026 07 AM PDT 24.20 100 + Normal
06/23/2026 08 AM PDT 24.20 100 0 Normal
06/23/2026 09 AM PDT 24.20 100 0 Normal
06/23/2026 10 AM PDT 24.20 100 0 Normal
06/23/2026 11 AM PDT 24.20 100 0 Normal
06/23/2026 12 PM PDT 24.20 100 0 Normal
06/23/2026 01 PM PDT 24.20 100 0 Normal
06/23/2026 02 PM PDT 24.20 100 0 Normal
06/23/2026 03 PM PDT 24.20 100 0 Normal
06/23/2026 04 PM PDT 24.20 100 0 Normal
06/23/2026 05 PM PDT 24.20 100 0 Normal
06/23/2026 06 PM PDT 24.19 98 - Normal
06/23/2026 07 PM PDT 24.19 98 0 Normal
06/23/2026 08 PM PDT 24.19 98 0 Normal
06/23/2026 09 PM PDT 24.19 98 0 Normal
06/23/2026 10 PM PDT 24.19 98 0 Normal
06/23/2026 11 PM PDT 24.19 98 0 Normal
06/24/2026 12 AM PDT 24.19 98 0 Normal
06/24/2026 01 AM PDT 24.19 98 0 Normal
06/24/2026 02 AM PDT 24.19 98 0 Normal
06/24/2026 03 AM PDT 24.19 98 0 Normal
06/24/2026 04 AM PDT 24.19 98 0 Normal
06/24/2026 05 AM PDT 24.19 98 0 Normal
06/24/2026 06 AM PDT 24.19 98 0 Normal
06/24/2026 07 AM PDT 24.19 98 0 Normal
06/24/2026 08 AM PDT 24.19 98 0 Normal
06/24/2026 09 AM PDT 24.19 98 0 Normal
06/24/2026 10 AM PDT 24.19 98 0 Normal
06/24/2026 11 AM PDT 24.19 98 0 Normal
06/24/2026 12 PM PDT 24.19 98 0 Normal
06/24/2026 01 PM PDT 24.19 98 0 Normal
06/24/2026 02 PM PDT 24.19 98 0 Normal
06/24/2026 03 PM PDT 24.19 98 0 Normal
06/24/2026 04 PM PDT 24.18 97 - Normal
06/24/2026 05 PM PDT 24.18 97 0 Normal
06/24/2026 06 PM PDT 24.18 97 0 Normal
06/24/2026 07 PM PDT 24.18 97 0 Normal
06/24/2026 08 PM PDT 24.18 97 0 Normal
06/24/2026 09 PM PDT 24.18 97 0 Normal
06/24/2026 10 PM PDT 24.18 97 0 Normal
06/24/2026 11 PM PDT 24.18 97 0 Normal
06/25/2026 12 AM PDT 24.18 97 0 Normal
06/25/2026 01 AM PDT 24.18 97 0 Normal
06/25/2026 02 AM PDT 24.18 97 0 Normal
06/25/2026 03 AM PDT 24.18 97 0 Normal
06/25/2026 04 AM PDT 24.18 97 0 Normal
06/25/2026 05 AM PDT 24.18 97 0 Normal
06/25/2026 06 AM PDT 24.18 97 0 Normal
06/25/2026 07 AM PDT 24.18 97 0 Normal
06/25/2026 08 AM PDT 24.18 97 0 Normal
06/25/2026 09 AM PDT 24.18 97 0 Normal
06/25/2026 10 AM PDT 24.18 97 0 Normal
06/25/2026 11 AM PDT 24.18 97 0 Normal
06/25/2026 12 PM PDT 24.18 97 0 Normal
06/25/2026 01 PM PDT 24.18 97 0 Normal
06/25/2026 02 PM PDT 24.18 97 0 Normal
06/25/2026 03 PM PDT 24.18 97 0 Normal
06/25/2026 04 PM PDT 24.17 95 - Normal
06/25/2026 05 PM PDT 24.17 95 0 Normal
06/25/2026 06 PM PDT 24.17 95 0 Normal
06/25/2026 07 PM PDT 24.17 95 0 Normal
06/25/2026 08 PM PDT 24.17 95 0 Normal
06/25/2026 09 PM PDT 24.17 95 0 Normal
06/25/2026 10 PM PDT 24.17 95 0 Normal
06/25/2026 11 PM PDT 24.17 95 0 Normal
06/26/2026 12 AM PDT 24.17 95 0 Normal
06/26/2026 01 AM PDT 24.17 95 0 Normal
06/26/2026 02 AM PDT 24.17 95 0 Normal
06/26/2026 03 AM PDT 24.17 95 0 Normal
06/26/2026 04 AM PDT 24.17 95 0 Normal
06/26/2026 05 AM PDT 24.17 95 0 Normal
06/26/2026 06 AM PDT 24.17 95 0 Normal
06/26/2026 07 AM PDT 24.17 95 0 Normal
06/26/2026 08 AM PDT 24.17 95 0 Normal
06/26/2026 09 AM PDT 24.17 95 0 Normal
06/26/2026 10 AM PDT 24.17 95 0 Normal
06/26/2026 11 AM PDT 24.16 93 - Normal
06/26/2026 12 PM PDT 24.16 93 0 Normal
06/26/2026 01 PM PDT 24.16 93 0 Normal
06/26/2026 02 PM PDT 24.16 93 0 Normal
06/26/2026 03 PM PDT 24.16 93 0 Normal
06/26/2026 04 PM PDT 24.16 93 0 Normal
06/26/2026 05 PM PDT 24.16 93 0 Normal
06/26/2026 06 PM PDT 24.16 93 0 Normal
06/26/2026 07 PM PDT 24.16 93 0 Normal
06/26/2026 08 PM PDT 24.16 93 0 Normal
06/26/2026 09 PM PDT 24.16 93 0 Normal
06/26/2026 10 PM PDT 24.16 93 0 Normal
06/26/2026 11 PM PDT 24.16 93 0 Normal
06/27/2026 12 AM PDT 24.16 93 0 Normal
06/27/2026 01 AM PDT 24.16 93 0 Normal
06/27/2026 02 AM PDT 24.16 93 0 Normal
06/27/2026 03 AM PDT 24.16 93 0 Normal
06/27/2026 04 AM PDT 24.16 93 0 Normal
06/27/2026 05 AM PDT 24.16 93 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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