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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 24 2026 at 7:17 AM PDT | Next Issuance: | Apr 25 2026 at 9:00 AM 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: 04/24/2026 at 07:17 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/20/2026 at 06:00 PM PDT
# Maximum Observed Stage: 25.78 Feet
# Maximum Observed Flow: 385 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/24/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 24.39 Feet
# Maximum Forecast Flow: 46 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/19/2026 07 AM PDT 23.89 13 Normal
04/19/2026 08 AM PDT 23.89 13 0 Normal
04/19/2026 09 AM PDT 23.89 13 0 Normal
04/19/2026 10 AM PDT 23.88 13 - Normal
04/19/2026 11 AM PDT 23.88 13 0 Normal
04/19/2026 12 PM PDT 23.88 13 0 Normal
04/19/2026 01 PM PDT 23.88 13 0 Normal
04/19/2026 02 PM PDT 23.87 12 - Normal
04/19/2026 03 PM PDT 23.87 12 0 Normal
04/19/2026 04 PM PDT 23.87 12 0 Normal
04/19/2026 05 PM PDT 23.87 12 0 Normal
04/19/2026 06 PM PDT 23.87 12 0 Normal
04/19/2026 07 PM PDT 23.87 12 0 Normal
04/19/2026 08 PM PDT 23.87 12 0 Normal
04/19/2026 09 PM PDT 23.87 12 0 Normal
04/19/2026 10 PM PDT 23.87 12 0 Normal
04/19/2026 11 PM PDT 23.87 12 0 Normal
04/20/2026 12 AM PDT 23.87 12 0 Normal
04/20/2026 01 AM PDT 23.86 12 - Normal
04/20/2026 02 AM PDT 23.86 12 0 Normal
04/20/2026 03 AM PDT 23.86 12 0 Normal
04/20/2026 04 AM PDT 23.86 12 0 Normal
04/20/2026 05 AM PDT 23.87 12 + Normal
04/20/2026 06 AM PDT 23.87 12 0 Normal
04/20/2026 07 AM PDT 23.87 12 0 Normal
04/20/2026 08 AM PDT 23.87 12 0 Normal
04/20/2026 09 AM PDT 23.87 12 0 Normal
04/20/2026 10 AM PDT 23.89 13 + Normal
04/20/2026 11 AM PDT 23.87 12 - Normal
04/20/2026 12 PM PDT 23.87 12 0 Normal
04/20/2026 01 PM PDT 23.95 16 + Normal
04/20/2026 02 PM PDT 24.12 25 + Normal
04/20/2026 03 PM PDT 24.46 52 + Normal
04/20/2026 04 PM PDT 24.88 110 + Normal
04/20/2026 05 PM PDT 25.55 305 + Normal
04/20/2026 06 PM PDT 25.78 385 + Normal
04/20/2026 07 PM PDT 25.66 343 - Normal
04/20/2026 08 PM PDT 25.47 279 - Normal
04/20/2026 09 PM PDT 25.35 240 - Normal
04/20/2026 10 PM PDT 25.21 197 - Normal
04/20/2026 11 PM PDT 25.25 209 + Normal
04/21/2026 12 AM PDT 25.45 272 + Normal
04/21/2026 01 AM PDT 25.47 279 + Normal
04/21/2026 02 AM PDT 25.34 237 - Normal
04/21/2026 03 AM PDT 25.27 216 - Normal
04/21/2026 04 AM PDT 25.16 183 - Normal
04/21/2026 05 AM PDT 25.07 157 - Normal
04/21/2026 06 AM PDT 25.05 151 - Normal
04/21/2026 07 AM PDT 25.00 137 - Normal
04/21/2026 08 AM PDT 24.96 127 - Normal
04/21/2026 09 AM PDT 24.92 118 - Normal
04/21/2026 10 AM PDT 25.14 177 + Normal
04/21/2026 11 AM PDT 25.01 140 - Normal
04/21/2026 12 PM PDT 25.21 197 + Normal
04/21/2026 01 PM PDT 25.07 157 - Normal
04/21/2026 02 PM PDT 25.02 143 - Normal
04/21/2026 03 PM PDT 24.99 135 - Normal
04/21/2026 04 PM PDT 24.96 127 - Normal
04/21/2026 05 PM PDT 24.90 114 - Normal
04/21/2026 06 PM PDT 24.88 110 - Normal
04/21/2026 07 PM PDT 24.83 101 - Normal
04/21/2026 08 PM PDT 24.79 95 - Normal
04/21/2026 09 PM PDT 24.77 92 - Normal
04/21/2026 10 PM PDT 24.73 86 - Normal
04/21/2026 11 PM PDT 24.71 83 - Normal
04/22/2026 12 AM PDT 24.68 79 - Normal
04/22/2026 01 AM PDT 24.63 72 - Normal
04/22/2026 02 AM PDT 24.63 72 0 Normal
04/22/2026 03 AM PDT 24.83 101 + Normal
04/22/2026 04 AM PDT 25.11 168 + Normal
04/22/2026 05 AM PDT 25.38 250 + Normal
04/22/2026 06 AM PDT 25.39 253 + Normal
04/22/2026 07 AM PDT 25.49 285 + Normal
04/22/2026 08 AM PDT 25.69 353 + Normal
04/22/2026 09 AM PDT 25.58 315 - Normal
04/22/2026 10 AM PDT 25.47 279 - Normal
04/22/2026 11 AM PDT 25.38 250 - Normal
04/22/2026 12 PM PDT 25.34 237 - Normal
04/22/2026 01 PM PDT 25.28 219 - Normal
04/22/2026 02 PM PDT 25.19 191 - Normal
04/22/2026 03 PM PDT 25.13 174 - Normal
04/22/2026 04 PM PDT 25.08 160 - Normal
04/22/2026 05 PM PDT 25.04 148 - Normal
04/22/2026 06 PM PDT 25.00 137 - Normal
04/22/2026 07 PM PDT 24.97 129 - Normal
04/22/2026 08 PM PDT 24.93 120 - Normal
04/22/2026 09 PM PDT 24.91 116 - Normal
04/22/2026 10 PM PDT 24.88 110 - Normal
04/22/2026 11 PM PDT 24.86 106 - Normal
04/23/2026 12 AM PDT 24.84 103 - Normal
04/23/2026 01 AM PDT 24.82 100 - Normal
04/23/2026 02 AM PDT 24.80 97 - Normal
04/23/2026 03 AM PDT 24.79 95 - Normal
04/23/2026 04 AM PDT 24.78 94 - Normal
04/23/2026 05 AM PDT 24.76 91 - Normal
04/23/2026 06 AM PDT 24.75 89 - Normal
04/23/2026 07 AM PDT 24.74 88 - Normal
04/23/2026 08 AM PDT 24.72 85 - Normal
04/23/2026 09 AM PDT 24.71 83 - Normal
04/23/2026 10 AM PDT 24.70 82 - Normal
04/23/2026 11 AM PDT 24.68 79 - Normal
04/23/2026 12 PM PDT 24.67 78 - Normal
04/23/2026 01 PM PDT 24.66 76 - Normal
04/23/2026 02 PM PDT 24.64 74 - Normal
04/23/2026 03 PM PDT 24.60 68 - Normal
04/23/2026 04 PM PDT 24.56 64 - Normal
04/23/2026 05 PM PDT 24.55 62 - Normal
04/23/2026 06 PM PDT 24.53 60 - Normal
04/23/2026 07 PM PDT 24.51 58 - Normal
04/23/2026 08 PM PDT 24.50 57 - Normal
04/23/2026 09 PM PDT 24.49 56 - Normal
04/23/2026 10 PM PDT 24.47 54 - Normal
04/23/2026 11 PM PDT 24.46 52 - Normal
04/24/2026 12 AM PDT 24.45 51 - Normal
04/24/2026 01 AM PDT 24.44 50 - Normal
04/24/2026 02 AM PDT 24.43 49 - Normal
04/24/2026 03 AM PDT 24.42 48 - Normal
04/24/2026 04 AM PDT 24.41 47 - Normal
04/24/2026 05 AM PDT 24.41 47 0 Normal
04/24/2026 06 AM PDT 24.40 47 - Normal
04/24/2026 07 AM PDT 24.40 47 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/24/2026 08 AM PDT 24.39 46 Normal
04/24/2026 09 AM PDT 24.39 46 0 Normal
04/24/2026 10 AM PDT 24.38 45 - Normal
04/24/2026 11 AM PDT 24.38 45 0 Normal
04/24/2026 12 PM PDT 24.38 45 0 Normal
04/24/2026 01 PM PDT 24.37 44 - Normal
04/24/2026 02 PM PDT 24.37 44 0 Normal
04/24/2026 03 PM PDT 24.36 43 - Normal
04/24/2026 04 PM PDT 24.36 43 0 Normal
04/24/2026 05 PM PDT 24.36 43 0 Normal
04/24/2026 06 PM PDT 24.35 42 - Normal
04/24/2026 07 PM PDT 24.35 42 0 Normal
04/24/2026 08 PM PDT 24.35 42 0 Normal
04/24/2026 09 PM PDT 24.34 41 - Normal
04/24/2026 10 PM PDT 24.34 41 0 Normal
04/24/2026 11 PM PDT 24.33 40 - Normal
04/25/2026 12 AM PDT 24.33 40 0 Normal
04/25/2026 01 AM PDT 24.33 40 0 Normal
04/25/2026 02 AM PDT 24.32 39 - Normal
04/25/2026 03 AM PDT 24.32 39 0 Normal
04/25/2026 04 AM PDT 24.31 38 - Normal
04/25/2026 05 AM PDT 24.31 38 0 Normal
04/25/2026 06 AM PDT 24.31 38 0 Normal
04/25/2026 07 AM PDT 24.30 38 - Normal
04/25/2026 08 AM PDT 24.30 38 0 Normal
04/25/2026 09 AM PDT 24.30 38 0 Normal
04/25/2026 10 AM PDT 24.29 37 - Normal
04/25/2026 11 AM PDT 24.29 37 0 Normal
04/25/2026 12 PM PDT 24.29 37 0 Normal
04/25/2026 01 PM PDT 24.28 36 - Normal
04/25/2026 02 PM PDT 24.28 36 0 Normal
04/25/2026 03 PM PDT 24.27 35 - Normal
04/25/2026 04 PM PDT 24.27 35 0 Normal
04/25/2026 05 PM PDT 24.27 35 0 Normal
04/25/2026 06 PM PDT 24.27 35 0 Normal
04/25/2026 07 PM PDT 24.26 34 - Normal
04/25/2026 08 PM PDT 24.26 34 0 Normal
04/25/2026 09 PM PDT 24.25 34 - Normal
04/25/2026 10 PM PDT 24.25 34 0 Normal
04/25/2026 11 PM PDT 24.25 34 0 Normal
04/26/2026 12 AM PDT 24.24 33 - Normal
04/26/2026 01 AM PDT 24.24 33 0 Normal
04/26/2026 02 AM PDT 24.24 33 0 Normal
04/26/2026 03 AM PDT 24.23 32 - Normal
04/26/2026 04 AM PDT 24.23 32 0 Normal
04/26/2026 05 AM PDT 24.23 32 0 Normal
04/26/2026 06 AM PDT 24.22 31 - Normal
04/26/2026 07 AM PDT 24.22 31 0 Normal
04/26/2026 08 AM PDT 24.22 31 0 Normal
04/26/2026 09 AM PDT 24.21 31 - Normal
04/26/2026 10 AM PDT 24.21 31 0 Normal
04/26/2026 11 AM PDT 24.20 30 - Normal
04/26/2026 12 PM PDT 24.20 30 0 Normal
04/26/2026 01 PM PDT 24.20 30 0 Normal
04/26/2026 02 PM PDT 24.20 30 0 Normal
04/26/2026 03 PM PDT 24.19 29 - Normal
04/26/2026 04 PM PDT 24.19 29 0 Normal
04/26/2026 05 PM PDT 24.18 29 - Normal
04/26/2026 06 PM PDT 24.18 29 0 Normal
04/26/2026 07 PM PDT 24.18 29 0 Normal
04/26/2026 08 PM PDT 24.18 29 0 Normal
04/26/2026 09 PM PDT 24.17 28 - Normal
04/26/2026 10 PM PDT 24.17 28 0 Normal
04/26/2026 11 PM PDT 24.16 27 - Normal
04/27/2026 12 AM PDT 24.16 27 0 Normal
04/27/2026 01 AM PDT 24.16 27 0 Normal
04/27/2026 02 AM PDT 24.15 27 - Normal
04/27/2026 03 AM PDT 24.15 27 0 Normal
04/27/2026 04 AM PDT 24.15 27 0 Normal
04/27/2026 05 AM PDT 24.14 26 - Normal
04/27/2026 06 AM PDT 24.14 26 0 Normal
04/27/2026 07 AM PDT 24.14 26 0 Normal
04/27/2026 08 AM PDT 24.14 26 0 Normal
04/27/2026 09 AM PDT 24.14 26 0 Normal
04/27/2026 10 AM PDT 24.13 25 - Normal
04/27/2026 11 AM PDT 24.13 25 0 Normal
04/27/2026 12 PM PDT 24.13 25 0 Normal
04/27/2026 01 PM PDT 24.13 25 0 Normal
04/27/2026 02 PM PDT 24.13 25 0 Normal
04/27/2026 03 PM PDT 24.12 25 - Normal
04/27/2026 04 PM PDT 24.12 25 0 Normal
04/27/2026 05 PM PDT 24.12 25 0 Normal
04/27/2026 06 PM PDT 24.12 25 0 Normal
04/27/2026 07 PM PDT 24.12 25 0 Normal
04/27/2026 08 PM PDT 24.12 25 0 Normal
04/27/2026 09 PM PDT 24.12 25 0 Normal
04/27/2026 10 PM PDT 24.11 24 - Normal
04/27/2026 11 PM PDT 24.11 24 0 Normal
04/28/2026 12 AM PDT 24.11 24 0 Normal
04/28/2026 01 AM PDT 24.11 24 0 Normal
04/28/2026 02 AM PDT 24.11 24 0 Normal
04/28/2026 03 AM PDT 24.11 24 0 Normal
04/28/2026 04 AM PDT 24.11 24 0 Normal
04/28/2026 05 AM PDT 24.10 24 - Normal
04/28/2026 06 AM PDT 24.10 24 0 Normal
04/28/2026 07 AM PDT 24.10 24 0 Normal
04/28/2026 08 AM PDT 24.10 24 0 Normal
04/28/2026 09 AM PDT 24.10 24 0 Normal
04/28/2026 10 AM PDT 24.10 24 0 Normal
04/28/2026 11 AM PDT 24.10 24 0 Normal
04/28/2026 12 PM PDT 24.10 24 0 Normal
04/28/2026 01 PM PDT 24.09 23 - Normal
04/28/2026 02 PM PDT 24.09 23 0 Normal
04/28/2026 03 PM PDT 24.09 23 0 Normal
04/28/2026 04 PM PDT 24.09 23 0 Normal
04/28/2026 05 PM PDT 24.09 23 0 Normal
04/28/2026 06 PM PDT 24.09 23 0 Normal
04/28/2026 07 PM PDT 24.09 23 0 Normal
04/28/2026 08 PM PDT 24.09 23 0 Normal
04/28/2026 09 PM PDT 24.08 22 - Normal
04/28/2026 10 PM PDT 24.08 22 0 Normal
04/28/2026 11 PM PDT 24.08 22 0 Normal
04/29/2026 12 AM PDT 24.08 22 0 Normal
04/29/2026 01 AM PDT 24.08 22 0 Normal
04/29/2026 02 AM PDT 24.08 22 0 Normal
04/29/2026 03 AM PDT 24.08 22 0 Normal
04/29/2026 04 AM PDT 24.08 22 0 Normal
04/29/2026 05 AM PDT 24.07 22 - 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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