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RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
| Latitude: 38.51º N | Longitude: 122.93º W | Elevation: 20 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Jul 06 2026 at 7:03 AM PDT | Next Issuance: | Jul 07 2026 at 9:00 AM PDT
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| Action/Monitor: 31.0 Feet | Minor Flood: 34.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time: 07/06/2026 at 07:04 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/06/2026 at 06:00 AM PDT
# Maximum Observed Stage: 1.26 Feet
# Maximum Observed Flow: 128 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/08/2026 at 02:00 AM PDT
# Maximum Forecast Stage: 1.28 Feet
# Maximum Forecast Flow: 130 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/01/2026 07 AM PDT 0.80 83 Normal
07/01/2026 08 AM PDT 0.80 83 0 Normal
07/01/2026 09 AM PDT 0.80 83 0 Normal
07/01/2026 10 AM PDT 0.80 83 0 Normal
07/01/2026 11 AM PDT 0.81 84 + Normal
07/01/2026 12 PM PDT 0.81 84 0 Normal
07/01/2026 01 PM PDT 0.81 84 0 Normal
07/01/2026 02 PM PDT 0.81 84 0 Normal
07/01/2026 03 PM PDT 0.81 84 0 Normal
07/01/2026 04 PM PDT 0.81 84 0 Normal
07/01/2026 05 PM PDT 0.81 84 0 Normal
07/01/2026 06 PM PDT 0.81 84 0 Normal
07/01/2026 07 PM PDT 0.80 83 - Normal
07/01/2026 08 PM PDT 0.80 83 0 Normal
07/01/2026 09 PM PDT 0.80 83 0 Normal
07/01/2026 10 PM PDT 0.80 83 0 Normal
07/01/2026 11 PM PDT 0.79 82 - Normal
07/02/2026 12 AM PDT 0.79 82 0 Normal
07/02/2026 01 AM PDT 0.79 82 0 Normal
07/02/2026 02 AM PDT 0.79 82 0 Normal
07/02/2026 03 AM PDT 0.79 82 0 Normal
07/02/2026 04 AM PDT 0.79 82 0 Normal
07/02/2026 05 AM PDT 0.79 82 0 Normal
07/02/2026 06 AM PDT 0.79 82 0 Normal
07/02/2026 07 AM PDT 0.80 83 + Normal
07/02/2026 08 AM PDT 0.80 83 0 Normal
07/02/2026 09 AM PDT 0.80 83 0 Normal
07/02/2026 10 AM PDT 0.80 83 0 Normal
07/02/2026 11 AM PDT 0.81 84 + Normal
07/02/2026 12 PM PDT 0.81 84 0 Normal
07/02/2026 01 PM PDT 0.81 84 0 Normal
07/02/2026 02 PM PDT 0.81 84 0 Normal
07/02/2026 03 PM PDT 0.81 84 0 Normal
07/02/2026 04 PM PDT 0.82 85 + Normal
07/02/2026 05 PM PDT 0.81 84 - Normal
07/02/2026 06 PM PDT 0.81 84 0 Normal
07/02/2026 07 PM PDT 0.81 84 0 Normal
07/02/2026 08 PM PDT 0.82 85 + Normal
07/02/2026 09 PM PDT 0.82 85 0 Normal
07/02/2026 10 PM PDT 0.82 85 0 Normal
07/02/2026 11 PM PDT 0.83 86 + Normal
07/03/2026 12 AM PDT 0.83 86 0 Normal
07/03/2026 01 AM PDT 0.83 86 0 Normal
07/03/2026 02 AM PDT 0.84 87 + Normal
07/03/2026 03 AM PDT 0.84 87 0 Normal
07/03/2026 04 AM PDT 0.85 88 + Normal
07/03/2026 05 AM PDT 0.85 88 0 Normal
07/03/2026 06 AM PDT 0.86 88 + Normal
07/03/2026 07 AM PDT 0.88 90 + Normal
07/03/2026 08 AM PDT 0.89 91 + Normal
07/03/2026 09 AM PDT 0.91 93 + Normal
07/03/2026 10 AM PDT 0.94 96 + Normal
07/03/2026 11 AM PDT 0.96 97 + Normal
07/03/2026 12 PM PDT 0.98 99 + Normal
07/03/2026 01 PM PDT 1.00 101 + Normal
07/03/2026 02 PM PDT 1.03 104 + Normal
07/03/2026 03 PM PDT 1.05 106 + Normal
07/03/2026 04 PM PDT 1.05 106 0 Normal
07/03/2026 05 PM PDT 1.07 108 + Normal
07/03/2026 06 PM PDT 1.07 108 0 Normal
07/03/2026 07 PM PDT 1.08 109 + Normal
07/03/2026 08 PM PDT 1.09 110 + Normal
07/03/2026 09 PM PDT 1.10 111 + Normal
07/03/2026 10 PM PDT 1.10 111 0 Normal
07/03/2026 11 PM PDT 1.10 111 0 Normal
07/04/2026 12 AM PDT 1.10 111 0 Normal
07/04/2026 01 AM PDT 1.10 111 0 Normal
07/04/2026 02 AM PDT 1.10 111 0 Normal
07/04/2026 03 AM PDT 1.11 112 + Normal
07/04/2026 04 AM PDT 1.11 112 0 Normal
07/04/2026 05 AM PDT 1.11 112 0 Normal
07/04/2026 06 AM PDT 1.11 112 0 Normal
07/04/2026 07 AM PDT 1.11 112 0 Normal
07/04/2026 08 AM PDT 1.12 113 + Normal
07/04/2026 09 AM PDT 1.12 113 0 Normal
07/04/2026 10 AM PDT 1.12 113 0 Normal
07/04/2026 11 AM PDT 1.12 113 0 Normal
07/04/2026 12 PM PDT 1.12 113 0 Normal
07/04/2026 01 PM PDT 1.13 114 + Normal
07/04/2026 02 PM PDT 1.13 114 0 Normal
07/04/2026 03 PM PDT 1.14 115 + Normal
07/04/2026 04 PM PDT 1.14 115 0 Normal
07/04/2026 05 PM PDT 1.15 116 + Normal
07/04/2026 06 PM PDT 1.15 116 0 Normal
07/04/2026 07 PM PDT 1.15 116 0 Normal
07/04/2026 08 PM PDT 1.15 116 0 Normal
07/04/2026 09 PM PDT 1.15 116 0 Normal
07/04/2026 10 PM PDT 1.15 116 0 Normal
07/04/2026 11 PM PDT 1.15 116 0 Normal
07/05/2026 12 AM PDT 1.16 117 + Normal
07/05/2026 01 AM PDT 1.16 117 0 Normal
07/05/2026 02 AM PDT 1.16 117 0 Normal
07/05/2026 03 AM PDT 1.17 118 + Normal
07/05/2026 04 AM PDT 1.17 118 0 Normal
07/05/2026 05 AM PDT 1.18 119 + Normal
07/05/2026 06 AM PDT 1.18 119 0 Normal
07/05/2026 07 AM PDT 1.19 121 + Normal
07/05/2026 08 AM PDT 1.19 121 0 Normal
07/05/2026 09 AM PDT 1.20 122 + Normal
07/05/2026 10 AM PDT 1.20 122 0 Normal
07/05/2026 11 AM PDT 1.20 122 0 Normal
07/05/2026 12 PM PDT 1.21 123 + Normal
07/05/2026 01 PM PDT 1.22 124 + Normal
07/05/2026 02 PM PDT 1.21 123 - Normal
07/05/2026 03 PM PDT 1.21 123 0 Normal
07/05/2026 04 PM PDT 1.22 124 + Normal
07/05/2026 05 PM PDT 1.22 124 0 Normal
07/05/2026 06 PM PDT 1.22 124 0 Normal
07/05/2026 07 PM PDT 1.23 125 + Normal
07/05/2026 08 PM PDT 1.23 125 0 Normal
07/05/2026 09 PM PDT 1.24 126 + Normal
07/05/2026 10 PM PDT 1.24 126 0 Normal
07/05/2026 11 PM PDT 1.25 127 + Normal
07/06/2026 12 AM PDT 1.25 127 0 Normal
07/06/2026 01 AM PDT 1.25 127 0 Normal
07/06/2026 02 AM PDT 1.25 127 0 Normal
07/06/2026 03 AM PDT 1.25 127 0 Normal
07/06/2026 04 AM PDT 1.25 127 0 Normal
07/06/2026 05 AM PDT 1.26 128 + Normal
07/06/2026 06 AM PDT 1.26 128 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/06/2026 07 AM PDT 1.26 128 Normal
07/06/2026 08 AM PDT 1.26 128 0 Normal
07/06/2026 09 AM PDT 1.26 128 0 Normal
07/06/2026 10 AM PDT 1.25 127 - Normal
07/06/2026 11 AM PDT 1.25 127 0 Normal
07/06/2026 12 PM PDT 1.25 127 0 Normal
07/06/2026 01 PM PDT 1.25 127 0 Normal
07/06/2026 02 PM PDT 1.25 127 0 Normal
07/06/2026 03 PM PDT 1.25 127 0 Normal
07/06/2026 04 PM PDT 1.25 127 0 Normal
07/06/2026 05 PM PDT 1.25 127 0 Normal
07/06/2026 06 PM PDT 1.23 125 - Normal
07/06/2026 07 PM PDT 1.23 125 0 Normal
07/06/2026 08 PM PDT 1.23 125 0 Normal
07/06/2026 09 PM PDT 1.22 124 - Normal
07/06/2026 10 PM PDT 1.22 124 0 Normal
07/06/2026 11 PM PDT 1.22 124 0 Normal
07/07/2026 12 AM PDT 1.22 124 0 Normal
07/07/2026 01 AM PDT 1.22 124 0 Normal
07/07/2026 02 AM PDT 1.22 124 0 Normal
07/07/2026 03 AM PDT 1.22 124 0 Normal
07/07/2026 04 AM PDT 1.22 124 0 Normal
07/07/2026 05 AM PDT 1.22 124 0 Normal
07/07/2026 06 AM PDT 1.23 125 + Normal
07/07/2026 07 AM PDT 1.23 125 0 Normal
07/07/2026 08 AM PDT 1.23 125 0 Normal
07/07/2026 09 AM PDT 1.24 126 + Normal
07/07/2026 10 AM PDT 1.24 126 0 Normal
07/07/2026 11 AM PDT 1.25 127 + Normal
07/07/2026 12 PM PDT 1.25 127 0 Normal
07/07/2026 01 PM PDT 1.25 127 0 Normal
07/07/2026 02 PM PDT 1.26 128 + Normal
07/07/2026 03 PM PDT 1.26 128 0 Normal
07/07/2026 04 PM PDT 1.26 128 0 Normal
07/07/2026 05 PM PDT 1.27 129 + Normal
07/07/2026 06 PM PDT 1.26 128 - Normal
07/07/2026 07 PM PDT 1.26 128 0 Normal
07/07/2026 08 PM PDT 1.27 129 + Normal
07/07/2026 09 PM PDT 1.27 129 0 Normal
07/07/2026 10 PM PDT 1.27 129 0 Normal
07/07/2026 11 PM PDT 1.27 129 0 Normal
07/08/2026 12 AM PDT 1.27 129 0 Normal
07/08/2026 01 AM PDT 1.27 129 0 Normal
07/08/2026 02 AM PDT 1.28 130 + Normal
07/08/2026 03 AM PDT 1.28 130 0 Normal
07/08/2026 04 AM PDT 1.28 130 0 Normal
07/08/2026 05 AM PDT 1.28 130 0 Normal
07/08/2026 06 AM PDT 1.28 130 0 Normal
07/08/2026 07 AM PDT 1.28 130 0 Normal
07/08/2026 08 AM PDT 1.28 130 0 Normal
07/08/2026 09 AM PDT 1.28 130 0 Normal
07/08/2026 10 AM PDT 1.28 130 0 Normal
07/08/2026 11 AM PDT 1.27 129 - Normal
07/08/2026 12 PM PDT 1.27 129 0 Normal
07/08/2026 01 PM PDT 1.27 129 0 Normal
07/08/2026 02 PM PDT 1.27 129 0 Normal
07/08/2026 03 PM PDT 1.27 129 0 Normal
07/08/2026 04 PM PDT 1.27 129 0 Normal
07/08/2026 05 PM PDT 1.27 129 0 Normal
07/08/2026 06 PM PDT 1.26 128 - Normal
07/08/2026 07 PM PDT 1.26 128 0 Normal
07/08/2026 08 PM PDT 1.25 127 - Normal
07/08/2026 09 PM PDT 1.25 127 0 Normal
07/08/2026 10 PM PDT 1.25 127 0 Normal
07/08/2026 11 PM PDT 1.25 127 0 Normal
07/09/2026 12 AM PDT 1.25 127 0 Normal
07/09/2026 01 AM PDT 1.25 127 0 Normal
07/09/2026 02 AM PDT 1.25 127 0 Normal
07/09/2026 03 AM PDT 1.25 127 0 Normal
07/09/2026 04 AM PDT 1.25 127 0 Normal
07/09/2026 05 AM PDT 1.24 126 - Normal
07/09/2026 06 AM PDT 1.24 126 0 Normal
07/09/2026 07 AM PDT 1.24 126 0 Normal
07/09/2026 08 AM PDT 1.24 126 0 Normal
07/09/2026 09 AM PDT 1.24 126 0 Normal
07/09/2026 10 AM PDT 1.24 126 0 Normal
07/09/2026 11 AM PDT 1.23 125 - Normal
07/09/2026 12 PM PDT 1.23 125 0 Normal
07/09/2026 01 PM PDT 1.23 125 0 Normal
07/09/2026 02 PM PDT 1.23 125 0 Normal
07/09/2026 03 PM PDT 1.23 125 0 Normal
07/09/2026 04 PM PDT 1.23 125 0 Normal
07/09/2026 05 PM PDT 1.22 124 - Normal
07/09/2026 06 PM PDT 1.21 123 - Normal
07/09/2026 07 PM PDT 1.21 123 0 Normal
07/09/2026 08 PM PDT 1.21 123 0 Normal
07/09/2026 09 PM PDT 1.21 123 0 Normal
07/09/2026 10 PM PDT 1.21 123 0 Normal
07/09/2026 11 PM PDT 1.20 122 - Normal
07/10/2026 12 AM PDT 1.20 122 0 Normal
07/10/2026 01 AM PDT 1.20 122 0 Normal
07/10/2026 02 AM PDT 1.20 122 0 Normal
07/10/2026 03 AM PDT 1.20 122 0 Normal
07/10/2026 04 AM PDT 1.20 122 0 Normal
07/10/2026 05 AM PDT 1.19 121 - Normal
07/10/2026 06 AM PDT 1.19 121 0 Normal
07/10/2026 07 AM PDT 1.19 121 0 Normal
07/10/2026 08 AM PDT 1.19 121 0 Normal
07/10/2026 09 AM PDT 1.19 121 0 Normal
07/10/2026 10 AM PDT 1.19 121 0 Normal
07/10/2026 11 AM PDT 1.19 121 0 Normal
07/10/2026 12 PM PDT 1.18 119 - Normal
07/10/2026 01 PM PDT 1.18 119 0 Normal
07/10/2026 02 PM PDT 1.18 119 0 Normal
07/10/2026 03 PM PDT 1.18 119 0 Normal
07/10/2026 04 PM PDT 1.18 119 0 Normal
07/10/2026 05 PM PDT 1.18 119 0 Normal
07/10/2026 06 PM PDT 1.16 117 - Normal
07/10/2026 07 PM PDT 1.16 117 0 Normal
07/10/2026 08 PM PDT 1.16 117 0 Normal
07/10/2026 09 PM PDT 1.16 117 0 Normal
07/10/2026 10 PM PDT 1.16 117 0 Normal
07/10/2026 11 PM PDT 1.15 116 - Normal
07/11/2026 12 AM PDT 1.15 116 0 Normal
07/11/2026 01 AM PDT 1.15 116 0 Normal
07/11/2026 02 AM PDT 1.15 116 0 Normal
07/11/2026 03 AM PDT 1.15 116 0 Normal
07/11/2026 04 AM PDT 1.15 116 0 Normal
07/11/2026 05 AM PDT 1.14 115 - 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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