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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 02 2026 at 7:20 AM PDT | Next Issuance: | Jul 03 2026 at 9:00 AM PDT
| |
| 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: 07/02/2026 at 07:23 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/28/2026 at 11:00 AM PDT
# Maximum Observed Stage: 1.17 Feet
# Maximum Observed Flow: 118 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/02/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 0.79 Feet
# Maximum Forecast Flow: 82 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/27/2026 07 AM PDT 1.00 101 Normal
06/27/2026 08 AM PDT 1.01 102 + Normal
06/27/2026 09 AM PDT 1.02 103 + Normal
06/27/2026 10 AM PDT 1.03 104 + Normal
06/27/2026 11 AM PDT 1.04 105 + Normal
06/27/2026 12 PM PDT 1.04 105 0 Normal
06/27/2026 01 PM PDT 1.05 106 + Normal
06/27/2026 02 PM PDT 1.06 107 + Normal
06/27/2026 03 PM PDT 1.06 107 0 Normal
06/27/2026 04 PM PDT 1.06 107 0 Normal
06/27/2026 05 PM PDT 1.06 107 0 Normal
06/27/2026 06 PM PDT 1.05 106 - Normal
06/27/2026 07 PM PDT 1.05 106 0 Normal
06/27/2026 08 PM PDT 1.05 106 0 Normal
06/27/2026 09 PM PDT 1.05 106 0 Normal
06/27/2026 10 PM PDT 1.05 106 0 Normal
06/27/2026 11 PM PDT 1.05 106 0 Normal
06/28/2026 12 AM PDT 1.05 106 0 Normal
06/28/2026 01 AM PDT 1.05 106 0 Normal
06/28/2026 02 AM PDT 1.06 107 + Normal
06/28/2026 03 AM PDT 1.08 109 + Normal
06/28/2026 04 AM PDT 1.10 111 + Normal
06/28/2026 05 AM PDT 1.11 112 + Normal
06/28/2026 06 AM PDT 1.13 114 + Normal
06/28/2026 07 AM PDT 1.14 115 + Normal
06/28/2026 08 AM PDT 1.15 116 + Normal
06/28/2026 09 AM PDT 1.16 117 + Normal
06/28/2026 10 AM PDT 1.17 118 + Normal
06/28/2026 11 AM PDT 1.17 118 0 Normal
06/28/2026 12 PM PDT 1.16 117 - Normal
06/28/2026 01 PM PDT 1.14 115 - Normal
06/28/2026 02 PM PDT 1.12 113 - Normal
06/28/2026 03 PM PDT 1.11 112 - Normal
06/28/2026 04 PM PDT 1.09 110 - Normal
06/28/2026 05 PM PDT 1.07 108 - Normal
06/28/2026 06 PM PDT 1.06 107 - Normal
06/28/2026 07 PM PDT 1.05 106 - Normal
06/28/2026 08 PM PDT 1.05 106 0 Normal
06/28/2026 09 PM PDT 1.05 106 0 Normal
06/28/2026 10 PM PDT 1.04 105 - Normal
06/28/2026 11 PM PDT 1.04 105 0 Normal
06/29/2026 12 AM PDT 1.04 105 0 Normal
06/29/2026 01 AM PDT 1.03 104 - Normal
06/29/2026 02 AM PDT 1.03 104 0 Normal
06/29/2026 03 AM PDT 1.03 104 0 Normal
06/29/2026 04 AM PDT 1.03 104 0 Normal
06/29/2026 05 AM PDT 1.03 104 0 Normal
06/29/2026 06 AM PDT 1.03 104 0 Normal
06/29/2026 07 AM PDT 1.03 104 0 Normal
06/29/2026 08 AM PDT 1.03 104 0 Normal
06/29/2026 09 AM PDT 1.03 104 0 Normal
06/29/2026 10 AM PDT 1.03 104 0 Normal
06/29/2026 11 AM PDT 1.03 104 0 Normal
06/29/2026 12 PM PDT 1.02 103 - Normal
06/29/2026 01 PM PDT 1.02 103 0 Normal
06/29/2026 02 PM PDT 1.01 102 - Normal
06/29/2026 03 PM PDT 0.99 100 - Normal
06/29/2026 04 PM PDT 0.97 98 - Normal
06/29/2026 05 PM PDT 0.94 96 - Normal
06/29/2026 06 PM PDT 0.92 94 - Normal
06/29/2026 07 PM PDT 0.90 92 - Normal
06/29/2026 08 PM PDT 0.88 90 - Normal
06/29/2026 09 PM PDT 0.86 88 - Normal
06/29/2026 10 PM PDT 0.86 88 0 Normal
06/29/2026 11 PM PDT 0.85 88 - Normal
06/30/2026 12 AM PDT 0.85 88 0 Normal
06/30/2026 01 AM PDT 0.84 87 - Normal
06/30/2026 02 AM PDT 0.84 87 0 Normal
06/30/2026 03 AM PDT 0.84 87 0 Normal
06/30/2026 04 AM PDT 0.84 87 0 Normal
06/30/2026 05 AM PDT 0.84 87 0 Normal
06/30/2026 06 AM PDT 0.84 87 0 Normal
06/30/2026 07 AM PDT 0.84 87 0 Normal
06/30/2026 08 AM PDT 0.84 87 0 Normal
06/30/2026 09 AM PDT 0.84 87 0 Normal
06/30/2026 10 AM PDT 0.85 88 + Normal
06/30/2026 11 AM PDT 0.85 88 0 Normal
06/30/2026 12 PM PDT 0.85 88 0 Normal
06/30/2026 01 PM PDT 0.85 88 0 Normal
06/30/2026 02 PM PDT 0.85 88 0 Normal
06/30/2026 03 PM PDT 0.84 87 - Normal
06/30/2026 04 PM PDT 0.84 87 0 Normal
06/30/2026 05 PM PDT 0.84 87 0 Normal
06/30/2026 06 PM PDT 0.84 87 0 Normal
06/30/2026 07 PM PDT 0.83 86 - Normal
06/30/2026 08 PM PDT 0.82 85 - Normal
06/30/2026 09 PM PDT 0.82 85 0 Normal
06/30/2026 10 PM PDT 0.82 85 0 Normal
06/30/2026 11 PM PDT 0.82 85 0 Normal
07/01/2026 12 AM PDT 0.81 84 - Normal
07/01/2026 01 AM PDT 0.81 84 0 Normal
07/01/2026 02 AM PDT 0.80 83 - Normal
07/01/2026 03 AM PDT 0.80 83 0 Normal
07/01/2026 04 AM PDT 0.80 83 0 Normal
07/01/2026 05 AM PDT 0.80 83 0 Normal
07/01/2026 06 AM PDT 0.80 83 0 Normal
07/01/2026 07 AM PDT 0.80 83 0 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 0.79 82 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/02/2026 08 AM PDT 0.79 82 Normal
07/02/2026 09 AM PDT 0.79 82 0 Normal
07/02/2026 10 AM PDT 0.79 82 0 Normal
07/02/2026 11 AM PDT 0.79 82 0 Normal
07/02/2026 12 PM PDT 0.79 82 0 Normal
07/02/2026 01 PM PDT 0.79 82 0 Normal
07/02/2026 02 PM PDT 0.78 81 - Normal
07/02/2026 03 PM PDT 0.78 81 0 Normal
07/02/2026 04 PM PDT 0.78 81 0 Normal
07/02/2026 05 PM PDT 0.77 81 - Normal
07/02/2026 06 PM PDT 0.75 79 - Normal
07/02/2026 07 PM PDT 0.74 78 - Normal
07/02/2026 08 PM PDT 0.74 78 0 Normal
07/02/2026 09 PM PDT 0.73 77 - Normal
07/02/2026 10 PM PDT 0.72 77 - Normal
07/02/2026 11 PM PDT 0.72 77 0 Normal
07/03/2026 12 AM PDT 0.71 76 - Normal
07/03/2026 01 AM PDT 0.71 76 0 Normal
07/03/2026 02 AM PDT 0.70 75 - Normal
07/03/2026 03 AM PDT 0.70 75 0 Normal
07/03/2026 04 AM PDT 0.70 75 0 Normal
07/03/2026 05 AM PDT 0.70 75 0 Normal
07/03/2026 06 AM PDT 0.69 74 - Normal
07/03/2026 07 AM PDT 0.69 74 0 Normal
07/03/2026 08 AM PDT 0.69 74 0 Normal
07/03/2026 09 AM PDT 0.69 74 0 Normal
07/03/2026 10 AM PDT 0.69 74 0 Normal
07/03/2026 11 AM PDT 0.69 74 0 Normal
07/03/2026 12 PM PDT 0.69 74 0 Normal
07/03/2026 01 PM PDT 0.69 74 0 Normal
07/03/2026 02 PM PDT 0.69 74 0 Normal
07/03/2026 03 PM PDT 0.69 74 0 Normal
07/03/2026 04 PM PDT 0.69 74 0 Normal
07/03/2026 05 PM PDT 0.70 75 + Normal
07/03/2026 06 PM PDT 0.68 73 - Normal
07/03/2026 07 PM PDT 0.68 73 0 Normal
07/03/2026 08 PM PDT 0.68 73 0 Normal
07/03/2026 09 PM PDT 0.68 73 0 Normal
07/03/2026 10 PM PDT 0.68 73 0 Normal
07/03/2026 11 PM PDT 0.69 74 + Normal
07/04/2026 12 AM PDT 0.69 74 0 Normal
07/04/2026 01 AM PDT 0.69 74 0 Normal
07/04/2026 02 AM PDT 0.69 74 0 Normal
07/04/2026 03 AM PDT 0.69 74 0 Normal
07/04/2026 04 AM PDT 0.69 74 0 Normal
07/04/2026 05 AM PDT 0.69 74 0 Normal
07/04/2026 06 AM PDT 0.69 74 0 Normal
07/04/2026 07 AM PDT 0.69 74 0 Normal
07/04/2026 08 AM PDT 0.68 73 - Normal
07/04/2026 09 AM PDT 0.68 73 0 Normal
07/04/2026 10 AM PDT 0.68 73 0 Normal
07/04/2026 11 AM PDT 0.68 73 0 Normal
07/04/2026 12 PM PDT 0.68 73 0 Normal
07/04/2026 01 PM PDT 0.68 73 0 Normal
07/04/2026 02 PM PDT 0.68 73 0 Normal
07/04/2026 03 PM PDT 0.68 73 0 Normal
07/04/2026 04 PM PDT 0.68 73 0 Normal
07/04/2026 05 PM PDT 0.68 73 0 Normal
07/04/2026 06 PM PDT 0.66 72 - Normal
07/04/2026 07 PM PDT 0.66 72 0 Normal
07/04/2026 08 PM PDT 0.66 72 0 Normal
07/04/2026 09 PM PDT 0.66 72 0 Normal
07/04/2026 10 PM PDT 0.66 72 0 Normal
07/04/2026 11 PM PDT 0.65 71 - Normal
07/05/2026 12 AM PDT 0.65 71 0 Normal
07/05/2026 01 AM PDT 0.65 71 0 Normal
07/05/2026 02 AM PDT 0.65 71 0 Normal
07/05/2026 03 AM PDT 0.65 71 0 Normal
07/05/2026 04 AM PDT 0.65 71 0 Normal
07/05/2026 05 AM PDT 0.65 71 0 Normal
07/05/2026 06 AM PDT 0.64 70 - Normal
07/05/2026 07 AM PDT 0.64 70 0 Normal
07/05/2026 08 AM PDT 0.64 70 0 Normal
07/05/2026 09 AM PDT 0.64 70 0 Normal
07/05/2026 10 AM PDT 0.64 70 0 Normal
07/05/2026 11 AM PDT 0.64 70 0 Normal
07/05/2026 12 PM PDT 0.63 69 - Normal
07/05/2026 01 PM PDT 0.63 69 0 Normal
07/05/2026 02 PM PDT 0.63 69 0 Normal
07/05/2026 03 PM PDT 0.63 69 0 Normal
07/05/2026 04 PM PDT 0.63 69 0 Normal
07/05/2026 05 PM PDT 0.62 69 - Normal
07/05/2026 06 PM PDT 0.61 68 - Normal
07/05/2026 07 PM PDT 0.61 68 0 Normal
07/05/2026 08 PM PDT 0.60 67 - Normal
07/05/2026 09 PM PDT 0.60 67 0 Normal
07/05/2026 10 PM PDT 0.60 67 0 Normal
07/05/2026 11 PM PDT 0.60 67 0 Normal
07/06/2026 12 AM PDT 0.60 67 0 Normal
07/06/2026 01 AM PDT 0.60 67 0 Normal
07/06/2026 02 AM PDT 0.59 66 - Normal
07/06/2026 03 AM PDT 0.59 66 0 Normal
07/06/2026 04 AM PDT 0.59 66 0 Normal
07/06/2026 05 AM PDT 0.59 66 0 Normal
07/06/2026 06 AM PDT 0.59 66 0 Normal
07/06/2026 07 AM PDT 0.59 66 0 Normal
07/06/2026 08 AM PDT 0.58 66 - Normal
07/06/2026 09 AM PDT 0.58 66 0 Normal
07/06/2026 10 AM PDT 0.58 66 0 Normal
07/06/2026 11 AM PDT 0.58 66 0 Normal
07/06/2026 12 PM PDT 0.58 66 0 Normal
07/06/2026 01 PM PDT 0.58 66 0 Normal
07/06/2026 02 PM PDT 0.57 65 - Normal
07/06/2026 03 PM PDT 0.57 65 0 Normal
07/06/2026 04 PM PDT 0.57 65 0 Normal
07/06/2026 05 PM PDT 0.57 65 0 Normal
07/06/2026 06 PM PDT 0.55 63 - Normal
07/06/2026 07 PM PDT 0.55 63 0 Normal
07/06/2026 08 PM PDT 0.55 63 0 Normal
07/06/2026 09 PM PDT 0.55 63 0 Normal
07/06/2026 10 PM PDT 0.54 63 - Normal
07/06/2026 11 PM PDT 0.54 63 0 Normal
07/07/2026 12 AM PDT 0.54 63 0 Normal
07/07/2026 01 AM PDT 0.54 63 0 Normal
07/07/2026 02 AM PDT 0.54 63 0 Normal
07/07/2026 03 AM PDT 0.54 63 0 Normal
07/07/2026 04 AM PDT 0.54 63 0 Normal
07/07/2026 05 AM PDT 0.53 62 - 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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