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SANTA ROSA CREEK - SANTA ROSA (SSAC1)
| Latitude: 38.44º N | Longitude: 122.72º W | Elevation: 138 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Apr 10 2026 at 8:03 AM PDT | Next Issuance: | Apr 10 2026 at 3:00 PM PDT
| |
| Action/Monitor: 40.0 Feet | Minor Flood: 41.0 Feet | Moderate Flood: 45.0 Feet | Major Flood: 50.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Rosa Creek - Santa Rosa (SSAC1)
#
# File Generation Time: 04/10/2026 at 08:05 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/10/2026 at 07:00 AM PDT
# Maximum Observed Stage: 24.93 Feet
# Maximum Observed Flow: 120 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 25.50 Feet
# Maximum Forecast Flow: 289 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/05/2026 08 AM PDT 23.82 11 Normal
04/05/2026 09 AM PDT 23.82 11 0 Normal
04/05/2026 10 AM PDT 23.82 11 0 Normal
04/05/2026 11 AM PDT 23.82 11 0 Normal
04/05/2026 12 PM PDT 23.83 11 + Normal
04/05/2026 01 PM PDT 23.83 11 0 Normal
04/05/2026 02 PM PDT 23.83 11 0 Normal
04/05/2026 03 PM PDT 23.83 11 0 Normal
04/05/2026 04 PM PDT 23.83 11 0 Normal
04/05/2026 05 PM PDT 23.82 11 - Normal
04/05/2026 06 PM PDT 23.82 11 0 Normal
04/05/2026 07 PM PDT 23.81 10 - Normal
04/05/2026 08 PM PDT 23.81 10 0 Normal
04/05/2026 09 PM PDT 23.81 10 0 Normal
04/05/2026 10 PM PDT 23.81 10 0 Normal
04/05/2026 11 PM PDT 23.81 10 0 Normal
04/06/2026 12 AM PDT 23.81 10 0 Normal
04/06/2026 01 AM PDT 23.80 10 - Normal
04/06/2026 02 AM PDT 23.80 10 0 Normal
04/06/2026 03 AM PDT 23.80 10 0 Normal
04/06/2026 04 AM PDT 23.80 10 0 Normal
04/06/2026 05 AM PDT 23.80 10 0 Normal
04/06/2026 06 AM PDT 23.80 10 0 Normal
04/06/2026 07 AM PDT 23.80 10 0 Normal
04/06/2026 08 AM PDT 23.80 10 0 Normal
04/06/2026 09 AM PDT 23.80 10 0 Normal
04/06/2026 10 AM PDT 23.79 10 - Normal
04/06/2026 11 AM PDT 23.79 10 0 Normal
04/06/2026 12 PM PDT 23.79 10 0 Normal
04/06/2026 01 PM PDT 23.79 10 0 Normal
04/06/2026 02 PM PDT 23.79 10 0 Normal
04/06/2026 03 PM PDT 23.79 10 0 Normal
04/06/2026 04 PM PDT 23.79 10 0 Normal
04/06/2026 05 PM PDT 23.79 10 0 Normal
04/06/2026 06 PM PDT 23.79 10 0 Normal
04/06/2026 07 PM PDT 23.79 10 0 Normal
04/06/2026 08 PM PDT 23.78 9 - Normal
04/06/2026 09 PM PDT 23.78 9 0 Normal
04/06/2026 10 PM PDT 23.79 10 + Normal
04/06/2026 11 PM PDT 23.78 9 - Normal
04/07/2026 12 AM PDT 23.78 9 0 Normal
04/07/2026 01 AM PDT 23.78 9 0 Normal
04/07/2026 02 AM PDT 23.78 9 0 Normal
04/07/2026 03 AM PDT 23.78 9 0 Normal
04/07/2026 04 AM PDT 23.78 9 0 Normal
04/07/2026 05 AM PDT 23.77 9 - Normal
04/07/2026 06 AM PDT 23.77 9 0 Normal
04/07/2026 07 AM PDT 23.84 11 + Normal
04/07/2026 08 AM PDT 23.91 14 + Normal
04/07/2026 09 AM PDT 23.96 16 + Normal
04/07/2026 10 AM PDT 24.01 19 + Normal
04/07/2026 11 AM PDT 24.01 19 0 Normal
04/07/2026 12 PM PDT 24.01 19 0 Normal
04/07/2026 01 PM PDT 24.01 19 0 Normal
04/07/2026 02 PM PDT 24.01 19 0 Normal
04/07/2026 03 PM PDT 24.01 19 0 Normal
04/07/2026 04 PM PDT 24.01 19 0 Normal
04/07/2026 05 PM PDT 24.01 19 0 Normal
04/07/2026 06 PM PDT 24.01 19 0 Normal
04/07/2026 07 PM PDT 24.01 19 0 Normal
04/07/2026 08 PM PDT 24.01 19 0 Normal
04/07/2026 09 PM PDT 24.01 19 0 Normal
04/07/2026 10 PM PDT 24.01 19 0 Normal
04/07/2026 11 PM PDT 24.01 19 0 Normal
04/08/2026 12 AM PDT 24.01 19 0 Normal
04/08/2026 01 AM PDT 24.01 19 0 Normal
04/08/2026 02 AM PDT 24.01 19 0 Normal
04/08/2026 03 AM PDT 24.01 19 0 Normal
04/08/2026 04 AM PDT 24.01 19 0 Normal
04/08/2026 05 AM PDT 24.01 19 0 Normal
04/08/2026 06 AM PDT 24.01 19 0 Normal
04/08/2026 07 AM PDT 24.01 19 0 Normal
04/08/2026 08 AM PDT 24.01 19 0 Normal
04/08/2026 09 AM PDT 24.01 19 0 Normal
04/08/2026 10 AM PDT 24.00 18 - Normal
04/08/2026 11 AM PDT 24.00 18 0 Normal
04/08/2026 12 PM PDT 23.96 16 - Normal
04/08/2026 01 PM PDT 23.91 14 - Normal
04/08/2026 02 PM PDT 23.85 12 - Normal
04/08/2026 03 PM PDT 23.78 9 - Normal
04/08/2026 04 PM PDT 23.78 9 0 Normal
04/08/2026 05 PM PDT 23.78 9 0 Normal
04/08/2026 06 PM PDT 23.78 9 0 Normal
04/08/2026 07 PM PDT 23.78 9 0 Normal
04/08/2026 08 PM PDT 23.78 9 0 Normal
04/08/2026 09 PM PDT 23.78 9 0 Normal
04/08/2026 10 PM PDT 23.78 9 0 Normal
04/08/2026 11 PM PDT 23.77 9 - Normal
04/09/2026 12 AM PDT 23.77 9 0 Normal
04/09/2026 01 AM PDT 23.77 9 0 Normal
04/09/2026 02 AM PDT 23.77 9 0 Normal
04/09/2026 03 AM PDT 23.77 9 0 Normal
04/09/2026 04 AM PDT 23.77 9 0 Normal
04/09/2026 05 AM PDT 23.77 9 0 Normal
04/09/2026 06 AM PDT 23.77 9 0 Normal
04/09/2026 07 AM PDT 23.77 9 0 Normal
04/09/2026 08 AM PDT 23.77 9 0 Normal
04/09/2026 09 AM PDT 23.77 9 0 Normal
04/09/2026 10 AM PDT 23.77 9 0 Normal
04/09/2026 11 AM PDT 23.77 9 0 Normal
04/09/2026 12 PM PDT 23.77 9 0 Normal
04/09/2026 01 PM PDT 23.78 9 + Normal
04/09/2026 02 PM PDT 23.78 9 0 Normal
04/09/2026 03 PM PDT 23.78 9 0 Normal
04/09/2026 04 PM PDT 23.78 9 0 Normal
04/09/2026 05 PM PDT 23.77 9 - Normal
04/09/2026 06 PM PDT 23.77 9 0 Normal
04/09/2026 07 PM PDT 23.77 9 0 Normal
04/09/2026 08 PM PDT 23.77 9 0 Normal
04/09/2026 09 PM PDT 23.76 9 - Normal
04/09/2026 10 PM PDT 23.76 9 0 Normal
04/09/2026 11 PM PDT 23.76 9 0 Normal
04/10/2026 12 AM PDT 23.76 9 0 Normal
04/10/2026 01 AM PDT 23.76 9 0 Normal
04/10/2026 02 AM PDT 23.76 9 0 Normal
04/10/2026 03 AM PDT 23.76 9 0 Normal
04/10/2026 04 AM PDT 23.76 9 0 Normal
04/10/2026 05 AM PDT 23.76 9 0 Normal
04/10/2026 06 AM PDT 24.39 46 + Normal
04/10/2026 07 AM PDT 24.93 120 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/10/2026 08 AM PDT 24.97 129 Normal
04/10/2026 09 AM PDT 24.99 135 + Normal
04/10/2026 10 AM PDT 24.98 132 - Normal
04/10/2026 11 AM PDT 24.97 129 - Normal
04/10/2026 12 PM PDT 24.94 122 - Normal
04/10/2026 01 PM PDT 24.83 101 - Normal
04/10/2026 02 PM PDT 24.72 85 - Normal
04/10/2026 03 PM PDT 24.62 71 - Normal
04/10/2026 04 PM PDT 24.54 61 - Normal
04/10/2026 05 PM PDT 24.47 54 - Normal
04/10/2026 06 PM PDT 24.41 47 - Normal
04/10/2026 07 PM PDT 24.34 41 - Normal
04/10/2026 08 PM PDT 24.28 36 - Normal
04/10/2026 09 PM PDT 24.24 33 - Normal
04/10/2026 10 PM PDT 24.22 31 - Normal
04/10/2026 11 PM PDT 24.20 30 - Normal
04/11/2026 12 AM PDT 24.18 29 - Normal
04/11/2026 01 AM PDT 24.17 28 - Normal
04/11/2026 02 AM PDT 24.16 27 - Normal
04/11/2026 03 AM PDT 24.15 27 - Normal
04/11/2026 04 AM PDT 24.14 26 - Normal
04/11/2026 05 AM PDT 24.14 26 0 Normal
04/11/2026 06 AM PDT 24.15 27 + Normal
04/11/2026 07 AM PDT 24.16 27 + Normal
04/11/2026 08 AM PDT 24.18 29 + Normal
04/11/2026 09 AM PDT 24.19 29 + Normal
04/11/2026 10 AM PDT 24.20 30 + Normal
04/11/2026 11 AM PDT 24.20 30 0 Normal
04/11/2026 12 PM PDT 24.25 34 + Normal
04/11/2026 01 PM PDT 24.31 38 + Normal
04/11/2026 02 PM PDT 24.35 42 + Normal
04/11/2026 03 PM PDT 24.39 46 + Normal
04/11/2026 04 PM PDT 24.41 47 + Normal
04/11/2026 05 PM PDT 24.43 49 + Normal
04/11/2026 06 PM PDT 24.64 74 + Normal
04/11/2026 07 PM PDT 24.91 116 + Normal
04/11/2026 08 PM PDT 25.04 148 + Normal
04/11/2026 09 PM PDT 25.13 174 + Normal
04/11/2026 10 PM PDT 25.19 191 + Normal
04/11/2026 11 PM PDT 25.24 206 + Normal
04/12/2026 12 AM PDT 25.30 225 + Normal
04/12/2026 01 AM PDT 25.37 247 + Normal
04/12/2026 02 AM PDT 25.42 263 + Normal
04/12/2026 03 AM PDT 25.46 276 + Normal
04/12/2026 04 AM PDT 25.49 285 + Normal
04/12/2026 05 AM PDT 25.50 289 + Normal
04/12/2026 06 AM PDT 25.50 289 0 Normal
04/12/2026 07 AM PDT 25.48 282 - Normal
04/12/2026 08 AM PDT 25.46 276 - Normal
04/12/2026 09 AM PDT 25.44 269 - Normal
04/12/2026 10 AM PDT 25.43 266 - Normal
04/12/2026 11 AM PDT 25.42 263 - Normal
04/12/2026 12 PM PDT 25.40 256 - Normal
04/12/2026 01 PM PDT 25.38 250 - Normal
04/12/2026 02 PM PDT 25.36 243 - Normal
04/12/2026 03 PM PDT 25.34 237 - Normal
04/12/2026 04 PM PDT 25.33 234 - Normal
04/12/2026 05 PM PDT 25.32 231 - Normal
04/12/2026 06 PM PDT 25.24 206 - Normal
04/12/2026 07 PM PDT 25.10 165 - Normal
04/12/2026 08 PM PDT 24.98 132 - Normal
04/12/2026 09 PM PDT 24.87 108 - Normal
04/12/2026 10 PM PDT 24.75 89 - Normal
04/12/2026 11 PM PDT 24.66 76 - Normal
04/13/2026 12 AM PDT 24.58 66 - Normal
04/13/2026 01 AM PDT 24.49 56 - Normal
04/13/2026 02 AM PDT 24.43 49 - Normal
04/13/2026 03 AM PDT 24.38 45 - Normal
04/13/2026 04 AM PDT 24.34 41 - Normal
04/13/2026 05 AM PDT 24.33 40 - Normal
04/13/2026 06 AM PDT 24.31 38 - Normal
04/13/2026 07 AM PDT 24.29 37 - Normal
04/13/2026 08 AM PDT 24.28 36 - Normal
04/13/2026 09 AM PDT 24.27 35 - Normal
04/13/2026 10 AM PDT 24.27 35 0 Normal
04/13/2026 11 AM PDT 24.27 35 0 Normal
04/13/2026 12 PM PDT 24.26 34 - Normal
04/13/2026 01 PM PDT 24.25 34 - Normal
04/13/2026 02 PM PDT 24.25 34 0 Normal
04/13/2026 03 PM PDT 24.25 34 0 Normal
04/13/2026 04 PM PDT 24.24 33 - Normal
04/13/2026 05 PM PDT 24.24 33 0 Normal
04/13/2026 06 PM PDT 24.24 33 0 Normal
04/13/2026 07 PM PDT 24.23 32 - Normal
04/13/2026 08 PM PDT 24.23 32 0 Normal
04/13/2026 09 PM PDT 24.23 32 0 Normal
04/13/2026 10 PM PDT 24.23 32 0 Normal
04/13/2026 11 PM PDT 24.23 32 0 Normal
04/14/2026 12 AM PDT 24.22 31 - Normal
04/14/2026 01 AM PDT 24.22 31 0 Normal
04/14/2026 02 AM PDT 24.21 31 - Normal
04/14/2026 03 AM PDT 24.21 31 0 Normal
04/14/2026 04 AM PDT 24.21 31 0 Normal
04/14/2026 05 AM PDT 24.21 31 0 Normal
04/14/2026 06 AM PDT 24.21 31 0 Normal
04/14/2026 07 AM PDT 24.20 30 - Normal
04/14/2026 08 AM PDT 24.20 30 0 Normal
04/14/2026 09 AM PDT 24.20 30 0 Normal
04/14/2026 10 AM PDT 24.20 30 0 Normal
04/14/2026 11 AM PDT 24.20 30 0 Normal
04/14/2026 12 PM PDT 24.19 29 - Normal
04/14/2026 01 PM PDT 24.19 29 0 Normal
04/14/2026 02 PM PDT 24.19 29 0 Normal
04/14/2026 03 PM PDT 24.18 29 - Normal
04/14/2026 04 PM PDT 24.18 29 0 Normal
04/14/2026 05 PM PDT 24.18 29 0 Normal
04/14/2026 06 PM PDT 24.18 29 0 Normal
04/14/2026 07 PM PDT 24.18 29 0 Normal
04/14/2026 08 PM PDT 24.17 28 - Normal
04/14/2026 09 PM PDT 24.17 28 0 Normal
04/14/2026 10 PM PDT 24.17 28 0 Normal
04/14/2026 11 PM PDT 24.17 28 0 Normal
04/15/2026 12 AM PDT 24.17 28 0 Normal
04/15/2026 01 AM PDT 24.16 27 - Normal
04/15/2026 02 AM PDT 24.16 27 0 Normal
04/15/2026 03 AM PDT 24.16 27 0 Normal
04/15/2026 04 AM PDT 24.16 27 0 Normal
04/15/2026 05 AM PDT 24.16 27 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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