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SANTA ROSA CREEK - SANTA ROSA (SSAC1)
| Latitude: 38.44º N | Longitude: 122.72º W | Elevation: 138 Feet | | | |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Dec 25 2025 at 1:11 PM PST | Next Issuance: | Dec 26 2025 at 9:00 AM PST
| |
| 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: 12/25/2025 at 01:13 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/21/2025 at 10:00 PM PST
# Maximum Observed Stage: 31.03 Feet
# Maximum Observed Flow: 2636 cfs
#
# Earliest Date & Time of Maximum Forecast: 12/25/2025 at 11:00 PM PST
# Maximum Forecast Stage: 27.72 Feet
# Maximum Forecast Flow: 1045 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
12/20/2025 01 PM PST 24.59 77 Normal
12/20/2025 02 PM PST 24.55 72 - Normal
12/20/2025 03 PM PST 24.52 68 - Normal
12/20/2025 04 PM PST 24.48 62 - Normal
12/20/2025 05 PM PST 24.45 59 - Normal
12/20/2025 06 PM PST 24.42 55 - Normal
12/20/2025 07 PM PST 24.40 53 - Normal
12/20/2025 08 PM PST 24.43 56 + Normal
12/20/2025 09 PM PST 24.43 56 0 Normal
12/20/2025 10 PM PST 24.49 64 + Normal
12/20/2025 11 PM PST 24.65 87 + Normal
12/21/2025 12 AM PST 24.82 118 + Normal
12/21/2025 01 AM PST 24.90 137 + Normal
12/21/2025 02 AM PST 25.01 165 + Normal
12/21/2025 03 AM PST 25.05 176 + Normal
12/21/2025 04 AM PST 25.20 218 + Normal
12/21/2025 05 AM PST 25.25 233 + Normal
12/21/2025 06 AM PST 25.29 245 + Normal
12/21/2025 07 AM PST 25.37 269 + Normal
12/21/2025 08 AM PST 25.50 309 + Normal
12/21/2025 09 AM PST 25.68 367 + Normal
12/21/2025 10 AM PST 25.79 404 + Normal
12/21/2025 11 AM PST 25.77 397 - Normal
12/21/2025 12 PM PST 25.75 390 - Normal
12/21/2025 01 PM PST 25.73 384 - Normal
12/21/2025 02 PM PST 25.74 387 + Normal
12/21/2025 03 PM PST 25.84 421 + Normal
12/21/2025 04 PM PST 26.35 601 + Normal
12/21/2025 05 PM PST 27.39 927 + Normal
12/21/2025 06 PM PST 29.17 1648 + Normal
12/21/2025 07 PM PST 30.06 2090 + Normal
12/21/2025 08 PM PST 30.36 2252 + Normal
12/21/2025 09 PM PST 30.73 2460 + Normal
12/21/2025 10 PM PST 31.03 2636 + Normal
12/21/2025 11 PM PST 30.76 2477 - Normal
12/22/2025 12 AM PST 30.34 2241 - Normal
12/22/2025 01 AM PST 30.32 2230 - Normal
12/22/2025 02 AM PST 30.38 2263 + Normal
12/22/2025 03 AM PST 30.57 2369 + Normal
12/22/2025 04 AM PST 30.26 2197 - Normal
12/22/2025 05 AM PST 29.90 2007 - Normal
12/22/2025 06 AM PST 29.33 1723 - Normal
12/22/2025 07 AM PST 28.83 1493 - Normal
12/22/2025 08 AM PST 28.43 1322 - Normal
12/22/2025 09 AM PST 28.04 1165 - Normal
12/22/2025 10 AM PST 27.67 1026 - Normal
12/22/2025 11 AM PST 27.39 927 - Normal
12/22/2025 12 PM PST 27.05 814 - Normal
12/22/2025 01 PM PST 26.86 755 - Normal
12/22/2025 02 PM PST 26.64 692 - Normal
12/22/2025 03 PM PST 26.55 664 - Normal
12/22/2025 04 PM PST 26.47 639 - Normal
12/22/2025 05 PM PST 26.44 629 - Normal
12/22/2025 06 PM PST 26.37 608 - Normal
12/22/2025 07 PM PST 26.24 564 - Normal
12/22/2025 08 PM PST 26.16 534 - Normal
12/22/2025 09 PM PST 26.09 509 - Normal
12/22/2025 10 PM PST 26.02 484 - Normal
12/22/2025 11 PM PST 25.96 463 - Normal
12/23/2025 12 AM PST 25.91 445 - Normal
12/23/2025 01 AM PST 25.85 424 - Normal
12/23/2025 02 AM PST 25.80 407 - Normal
12/23/2025 03 AM PST 25.74 387 - Normal
12/23/2025 04 AM PST 25.72 380 - Normal
12/23/2025 05 AM PST 25.67 364 - Normal
12/23/2025 06 AM PST 25.60 341 - Normal
12/23/2025 07 AM PST 25.57 331 - Normal
12/23/2025 08 AM PST 25.52 315 - Normal
12/23/2025 09 AM PST 25.50 309 - Normal
12/23/2025 10 AM PST 25.49 306 - Normal
12/23/2025 11 AM PST 25.43 287 - Normal
12/23/2025 12 PM PST 25.40 278 - Normal
12/23/2025 01 PM PST 25.37 269 - Normal
12/23/2025 02 PM PST 25.35 263 - Normal
12/23/2025 03 PM PST 25.33 256 - Normal
12/23/2025 04 PM PST 25.31 250 - Normal
12/23/2025 05 PM PST 25.29 245 - Normal
12/23/2025 06 PM PST 25.28 242 - Normal
12/23/2025 07 PM PST 25.29 245 + Normal
12/23/2025 08 PM PST 25.28 242 - Normal
12/23/2025 09 PM PST 25.30 248 + Normal
12/23/2025 10 PM PST 25.27 239 - Normal
12/23/2025 11 PM PST 25.30 248 + Normal
12/24/2025 12 AM PST 25.39 275 + Normal
12/24/2025 01 AM PST 25.94 456 + Normal
12/24/2025 02 AM PST 26.35 601 + Normal
12/24/2025 03 AM PST 26.59 676 + Normal
12/24/2025 04 AM PST 26.54 661 - Normal
12/24/2025 05 AM PST 26.35 601 - Normal
12/24/2025 06 AM PST 26.42 623 + Normal
12/24/2025 07 AM PST 26.32 592 - Normal
12/24/2025 08 AM PST 26.12 520 - Normal
12/24/2025 09 AM PST 26.02 484 - Normal
12/24/2025 10 AM PST 25.92 449 - Normal
12/24/2025 11 AM PST 25.83 418 - Normal
12/24/2025 12 PM PST 25.75 390 - Normal
12/24/2025 01 PM PST 25.67 364 - Normal
12/24/2025 02 PM PST 25.60 341 - Normal
12/24/2025 03 PM PST 25.55 325 - Normal
12/24/2025 04 PM PST 25.53 318 - Normal
12/24/2025 05 PM PST 25.50 309 - Normal
12/24/2025 06 PM PST 25.49 306 - Normal
12/24/2025 07 PM PST 25.57 331 + Normal
12/24/2025 08 PM PST 25.91 445 + Normal
12/24/2025 09 PM PST 26.04 491 + Normal
12/24/2025 10 PM PST 25.96 463 - Normal
12/24/2025 11 PM PST 25.99 473 + Normal
12/25/2025 12 AM PST 26.18 542 + Normal
12/25/2025 01 AM PST 26.15 531 - Normal
12/25/2025 02 AM PST 26.54 661 + Normal
12/25/2025 03 AM PST 27.56 987 + Normal
12/25/2025 04 AM PST 28.29 1265 + Normal
12/25/2025 05 AM PST 28.90 1525 + Normal
12/25/2025 06 AM PST 28.45 1330 - Normal
12/25/2025 07 AM PST 27.75 1056 - Normal
12/25/2025 08 AM PST 27.22 870 - Normal
12/25/2025 09 AM PST 27.01 801 - Normal
12/25/2025 10 AM PST 27.04 811 + Normal
12/25/2025 11 AM PST 26.96 785 - Normal
12/25/2025 12 PM PST 26.91 770 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
12/25/2025 01 PM PST 26.84 749 Normal
12/25/2025 02 PM PST 26.78 732 - Normal
12/25/2025 03 PM PST 26.75 723 - Normal
12/25/2025 04 PM PST 26.75 723 0 Normal
12/25/2025 05 PM PST 26.77 729 + Normal
12/25/2025 06 PM PST 26.85 752 + Normal
12/25/2025 07 PM PST 27.04 811 + Normal
12/25/2025 08 PM PST 27.26 883 + Normal
12/25/2025 09 PM PST 27.44 945 + Normal
12/25/2025 10 PM PST 27.61 1005 + Normal
12/25/2025 11 PM PST 27.72 1045 + Normal
12/26/2025 12 AM PST 27.68 1030 - Normal
12/26/2025 01 AM PST 27.49 962 - Normal
12/26/2025 02 AM PST 27.24 876 - Normal
12/26/2025 03 AM PST 27.02 805 - Normal
12/26/2025 04 AM PST 26.85 752 - Normal
12/26/2025 05 AM PST 26.71 712 - Normal
12/26/2025 06 AM PST 26.59 676 - Normal
12/26/2025 07 AM PST 26.45 632 - Normal
12/26/2025 08 AM PST 26.31 589 - Normal
12/26/2025 09 AM PST 26.22 556 - Normal
12/26/2025 10 AM PST 26.15 531 - Normal
12/26/2025 11 AM PST 26.11 516 - Normal
12/26/2025 12 PM PST 26.10 512 - Normal
12/26/2025 01 PM PST 26.15 531 + Normal
12/26/2025 02 PM PST 26.22 556 + Normal
12/26/2025 03 PM PST 26.28 579 + Normal
12/26/2025 04 PM PST 26.34 598 + Normal
12/26/2025 05 PM PST 26.37 608 + Normal
12/26/2025 06 PM PST 26.38 611 + Normal
12/26/2025 07 PM PST 26.31 589 - Normal
12/26/2025 08 PM PST 26.21 553 - Normal
12/26/2025 09 PM PST 26.14 527 - Normal
12/26/2025 10 PM PST 26.08 505 - Normal
12/26/2025 11 PM PST 26.04 491 - Normal
12/27/2025 12 AM PST 26.00 477 - Normal
12/27/2025 01 AM PST 25.94 456 - Normal
12/27/2025 02 AM PST 25.86 428 - Normal
12/27/2025 03 AM PST 25.78 401 - Normal
12/27/2025 04 AM PST 25.71 377 - Normal
12/27/2025 05 AM PST 25.66 360 - Normal
12/27/2025 06 AM PST 25.61 344 - Normal
12/27/2025 07 AM PST 25.57 331 - Normal
12/27/2025 08 AM PST 25.52 315 - Normal
12/27/2025 09 AM PST 25.47 299 - Normal
12/27/2025 10 AM PST 25.42 284 - Normal
12/27/2025 11 AM PST 25.39 275 - Normal
12/27/2025 12 PM PST 25.36 266 - Normal
12/27/2025 01 PM PST 25.34 259 - Normal
12/27/2025 02 PM PST 25.31 250 - Normal
12/27/2025 03 PM PST 25.29 245 - Normal
12/27/2025 04 PM PST 25.27 239 - Normal
12/27/2025 05 PM PST 25.25 233 - Normal
12/27/2025 06 PM PST 25.24 230 - Normal
12/27/2025 07 PM PST 25.23 227 - Normal
12/27/2025 08 PM PST 25.21 221 - Normal
12/27/2025 09 PM PST 25.19 215 - Normal
12/27/2025 10 PM PST 25.18 212 - Normal
12/27/2025 11 PM PST 25.17 210 - Normal
12/28/2025 12 AM PST 25.16 207 - Normal
12/28/2025 01 AM PST 25.15 204 - Normal
12/28/2025 02 AM PST 25.14 201 - Normal
12/28/2025 03 AM PST 25.12 195 - Normal
12/28/2025 04 AM PST 25.11 193 - Normal
12/28/2025 05 AM PST 25.10 190 - Normal
12/28/2025 06 AM PST 25.10 190 0 Normal
12/28/2025 07 AM PST 25.09 187 - Normal
12/28/2025 08 AM PST 25.08 184 - Normal
12/28/2025 09 AM PST 25.07 182 - Normal
12/28/2025 10 AM PST 25.06 179 - Normal
12/28/2025 11 AM PST 25.05 176 - Normal
12/28/2025 12 PM PST 25.05 176 0 Normal
12/28/2025 01 PM PST 25.04 173 - Normal
12/28/2025 02 PM PST 25.03 171 - Normal
12/28/2025 03 PM PST 25.02 168 - Normal
12/28/2025 04 PM PST 25.02 168 0 Normal
12/28/2025 05 PM PST 25.01 165 - Normal
12/28/2025 06 PM PST 25.00 163 - Normal
12/28/2025 07 PM PST 25.00 163 0 Normal
12/28/2025 08 PM PST 24.99 160 - Normal
12/28/2025 09 PM PST 24.98 157 - Normal
12/28/2025 10 PM PST 24.98 157 0 Normal
12/28/2025 11 PM PST 24.97 155 - Normal
12/29/2025 12 AM PST 24.96 152 - Normal
12/29/2025 01 AM PST 24.96 152 0 Normal
12/29/2025 02 AM PST 24.95 150 - Normal
12/29/2025 03 AM PST 24.95 150 0 Normal
12/29/2025 04 AM PST 24.94 147 - Normal
12/29/2025 05 AM PST 24.93 144 - Normal
12/29/2025 06 AM PST 24.93 144 0 Normal
12/29/2025 07 AM PST 24.93 144 0 Normal
12/29/2025 08 AM PST 24.92 142 - Normal
12/29/2025 09 AM PST 24.91 139 - Normal
12/29/2025 10 AM PST 24.91 139 0 Normal
12/29/2025 11 AM PST 24.90 137 - Normal
12/29/2025 12 PM PST 24.90 137 0 Normal
12/29/2025 01 PM PST 24.89 134 - Normal
12/29/2025 02 PM PST 24.89 134 0 Normal
12/29/2025 03 PM PST 24.88 132 - Normal
12/29/2025 04 PM PST 24.88 132 0 Normal
12/29/2025 05 PM PST 24.87 129 - Normal
12/29/2025 06 PM PST 24.87 129 0 Normal
12/29/2025 07 PM PST 24.86 127 - Normal
12/29/2025 08 PM PST 24.86 127 0 Normal
12/29/2025 09 PM PST 24.85 124 - Normal
12/29/2025 10 PM PST 24.85 124 0 Normal
12/29/2025 11 PM PST 24.84 122 - Normal
12/30/2025 12 AM PST 24.84 122 0 Normal
12/30/2025 01 AM PST 24.84 122 0 Normal
12/30/2025 02 AM PST 24.83 120 - Normal
12/30/2025 03 AM PST 24.82 118 - Normal
12/30/2025 04 AM PST 24.82 118 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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