SANTA ROSA CREEK - SANTA ROSA (SSAC1)
Latitude: 38.44º NLongitude: 122.72º WElevation: 138 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 10 2026 at 12:55 PM PSTNext Issuance: Feb 11 2026 at 9:00 AM PST
Action/Monitor: 40.0 FeetMinor Flood: 41.0 FeetModerate Flood: 45.0 FeetMajor Flood: 50.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Rosa Creek - Santa Rosa (SSAC1)
#
# File Generation Time:  02/10/2026 at 12:57 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/05/2026 at 10:00 PM PST
# Maximum Observed Stage:                       23.92 Feet
# Maximum Observed Flow:                        16 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/11/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       24.26 Feet
# Maximum Forecast Flow:                        39 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/05/2026 12 PM PST           23.91             15                        Normal
  02/05/2026 01 PM PST           23.91             15         0              Normal
  02/05/2026 02 PM PST           23.92             16         +              Normal
  02/05/2026 03 PM PST           23.92             16         0              Normal
  02/05/2026 04 PM PST           23.92             16         0              Normal
  02/05/2026 05 PM PST           23.92             16         0              Normal
  02/05/2026 06 PM PST           23.92             16         0              Normal
  02/05/2026 07 PM PST           23.92             16         0              Normal
  02/05/2026 08 PM PST           23.92             16         0              Normal
  02/05/2026 09 PM PST           23.92             16         0              Normal
  02/05/2026 10 PM PST           23.92             16         0              Normal
  02/05/2026 11 PM PST           23.91             15         -              Normal
  02/06/2026 12 AM PST           23.91             15         0              Normal
  02/06/2026 01 AM PST           23.91             15         0              Normal
  02/06/2026 02 AM PST           23.91             15         0              Normal
  02/06/2026 03 AM PST           23.91             15         0              Normal
  02/06/2026 04 AM PST           23.91             15         0              Normal
  02/06/2026 05 AM PST           23.91             15         0              Normal
  02/06/2026 06 AM PST           23.91             15         0              Normal
  02/06/2026 07 AM PST           23.90             15         -              Normal
  02/06/2026 08 AM PST           23.90             15         0              Normal
  02/06/2026 09 AM PST           23.90             15         0              Normal
  02/06/2026 10 AM PST           23.89             14         -              Normal
  02/06/2026 11 AM PST           23.89             14         0              Normal
  02/06/2026 12 PM PST           23.90             15         +              Normal
  02/06/2026 01 PM PST           23.90             15         0              Normal
  02/06/2026 02 PM PST           23.91             15         +              Normal
  02/06/2026 03 PM PST           23.91             15         0              Normal
  02/06/2026 04 PM PST           23.91             15         0              Normal
  02/06/2026 05 PM PST           23.91             15         0              Normal
  02/06/2026 06 PM PST           23.91             15         0              Normal
  02/06/2026 07 PM PST           23.91             15         0              Normal
  02/06/2026 08 PM PST           23.90             15         -              Normal
  02/06/2026 09 PM PST           23.91             15         +              Normal
  02/06/2026 10 PM PST           23.90             15         -              Normal
  02/06/2026 11 PM PST           23.90             15         0              Normal
  02/07/2026 12 AM PST           23.90             15         0              Normal
  02/07/2026 01 AM PST           23.90             15         0              Normal
  02/07/2026 02 AM PST           23.90             15         0              Normal
  02/07/2026 03 AM PST           23.90             15         0              Normal
  02/07/2026 04 AM PST           23.90             15         0              Normal
  02/07/2026 05 AM PST           23.89             14         -              Normal
  02/07/2026 06 AM PST           23.90             15         +              Normal
  02/07/2026 07 AM PST           23.89             14         -              Normal
  02/07/2026 08 AM PST           23.89             14         0              Normal
  02/07/2026 09 AM PST           23.88             14         -              Normal
  02/07/2026 10 AM PST           23.88             14         0              Normal
  02/07/2026 11 AM PST           23.88             14         0              Normal
  02/07/2026 12 PM PST           23.88             14         0              Normal
  02/07/2026 01 PM PST           23.88             14         0              Normal
  02/07/2026 02 PM PST           23.88             14         0              Normal
  02/07/2026 03 PM PST           23.88             14         0              Normal
  02/07/2026 04 PM PST           23.89             14         +              Normal
  02/07/2026 05 PM PST           23.89             14         0              Normal
  02/07/2026 06 PM PST           23.89             14         0              Normal
  02/07/2026 07 PM PST           23.89             14         0              Normal
  02/07/2026 08 PM PST           23.89             14         0              Normal
  02/07/2026 09 PM PST           23.89             14         0              Normal
  02/07/2026 10 PM PST           23.89             14         0              Normal
  02/07/2026 11 PM PST           23.89             14         0              Normal
  02/08/2026 12 AM PST           23.89             14         0              Normal
  02/08/2026 01 AM PST           23.89             14         0              Normal
  02/08/2026 02 AM PST           23.89             14         0              Normal
  02/08/2026 03 AM PST           23.89             14         0              Normal
  02/08/2026 04 AM PST           23.89             14         0              Normal
  02/08/2026 05 AM PST           23.89             14         0              Normal
  02/08/2026 06 AM PST           23.89             14         0              Normal
  02/08/2026 07 AM PST           23.89             14         0              Normal
  02/08/2026 08 AM PST           23.88             14         -              Normal
  02/08/2026 09 AM PST           23.89             14         +              Normal
  02/08/2026 10 AM PST           23.89             14         0              Normal
  02/08/2026 11 AM PST           23.89             14         0              Normal
  02/08/2026 12 PM PST           23.89             14         0              Normal
  02/08/2026 01 PM PST           23.89             14         0              Normal
  02/08/2026 02 PM PST           23.89             14         0              Normal
  02/08/2026 03 PM PST           23.89             14         0              Normal
  02/08/2026 04 PM PST           23.89             14         0              Normal
  02/08/2026 05 PM PST           23.89             14         0              Normal
  02/08/2026 06 PM PST           23.89             14         0              Normal
  02/08/2026 07 PM PST           23.89             14         0              Normal
  02/08/2026 08 PM PST           23.89             14         0              Normal
  02/08/2026 09 PM PST           23.89             14         0              Normal
  02/08/2026 10 PM PST           23.89             14         0              Normal
  02/08/2026 11 PM PST           23.89             14         0              Normal
  02/09/2026 12 AM PST           23.89             14         0              Normal
  02/09/2026 01 AM PST           23.88             14         -              Normal
  02/09/2026 02 AM PST           23.88             14         0              Normal
  02/09/2026 03 AM PST           23.88             14         0              Normal
  02/09/2026 04 AM PST           23.88             14         0              Normal
  02/09/2026 05 AM PST           23.88             14         0              Normal
  02/09/2026 06 AM PST           23.88             14         0              Normal
  02/09/2026 07 AM PST           23.88             14         0              Normal
  02/09/2026 08 AM PST           23.88             14         0              Normal
  02/09/2026 09 AM PST           23.88             14         0              Normal
  02/09/2026 10 AM PST           23.88             14         0              Normal
  02/09/2026 11 AM PST           23.88             14         0              Normal
  02/09/2026 12 PM PST           23.88             14         0              Normal
  02/09/2026 01 PM PST           23.88             14         0              Normal
  02/09/2026 02 PM PST           23.88             14         0              Normal
  02/09/2026 03 PM PST           23.88             14         0              Normal
  02/09/2026 04 PM PST           23.88             14         0              Normal
  02/09/2026 05 PM PST           23.89             14         +              Normal
  02/09/2026 06 PM PST           23.88             14         -              Normal
  02/09/2026 07 PM PST           23.88             14         0              Normal
  02/09/2026 08 PM PST           23.88             14         0              Normal
  02/09/2026 09 PM PST           23.88             14         0              Normal
  02/09/2026 10 PM PST           23.88             14         0              Normal
  02/09/2026 11 PM PST           23.88             14         0              Normal
  02/10/2026 12 AM PST           23.88             14         0              Normal
  02/10/2026 01 AM PST           23.88             14         0              Normal
  02/10/2026 02 AM PST           23.88             14         0              Normal
  02/10/2026 03 AM PST           23.88             14         0              Normal
  02/10/2026 04 AM PST           23.88             14         0              Normal
  02/10/2026 05 AM PST           23.88             14         0              Normal
  02/10/2026 06 AM PST           23.88             14         0              Normal
  02/10/2026 07 AM PST           23.88             14         0              Normal
  02/10/2026 08 AM PST           23.88             14         0              Normal
  02/10/2026 09 AM PST           23.88             14         0              Normal
  02/10/2026 10 AM PST           23.88             14         0              Normal
  02/10/2026 11 AM PST           23.88             14         0              Normal
  02/10/2026 12 PM PST           23.88             14         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/10/2026 01 PM PST           23.88             14                        Normal
  02/10/2026 02 PM PST           23.90             15         +              Normal
  02/10/2026 03 PM PST           23.92             16         +              Normal
  02/10/2026 04 PM PST           23.94             17         +              Normal
  02/10/2026 05 PM PST           23.96             18         +              Normal
  02/10/2026 06 PM PST           23.97             18         +              Normal
  02/10/2026 07 PM PST           23.99             19         +              Normal
  02/10/2026 08 PM PST           24.02             21         +              Normal
  02/10/2026 09 PM PST           24.05             23         +              Normal
  02/10/2026 10 PM PST           24.08             25         +              Normal
  02/10/2026 11 PM PST           24.11             27         +              Normal
  02/11/2026 12 AM PST           24.12             27         +              Normal
  02/11/2026 01 AM PST           24.14             29         +              Normal
  02/11/2026 02 AM PST           24.16             30         +              Normal
  02/11/2026 03 AM PST           24.18             32         +              Normal
  02/11/2026 04 AM PST           24.19             33         +              Normal
  02/11/2026 05 AM PST           24.20             34         +              Normal
  02/11/2026 06 AM PST           24.21             34         +              Normal
  02/11/2026 07 AM PST           24.22             35         +              Normal
  02/11/2026 08 AM PST           24.23             36         +              Normal
  02/11/2026 09 AM PST           24.24             37         +              Normal
  02/11/2026 10 AM PST           24.24             37         0              Normal
  02/11/2026 11 AM PST           24.25             38         +              Normal
  02/11/2026 12 PM PST           24.25             38         0              Normal
  02/11/2026 01 PM PST           24.26             39         +              Normal
  02/11/2026 02 PM PST           24.26             39         0              Normal
  02/11/2026 03 PM PST           24.25             38         -              Normal
  02/11/2026 04 PM PST           24.25             38         0              Normal
  02/11/2026 05 PM PST           24.24             37         -              Normal
  02/11/2026 06 PM PST           24.24             37         0              Normal
  02/11/2026 07 PM PST           24.24             37         0              Normal
  02/11/2026 08 PM PST           24.24             37         0              Normal
  02/11/2026 09 PM PST           24.24             37         0              Normal
  02/11/2026 10 PM PST           24.24             37         0              Normal
  02/11/2026 11 PM PST           24.24             37         0              Normal
  02/12/2026 12 AM PST           24.24             37         0              Normal
  02/12/2026 01 AM PST           24.24             37         0              Normal
  02/12/2026 02 AM PST           24.21             34         -              Normal
  02/12/2026 03 AM PST           24.17             31         -              Normal
  02/12/2026 04 AM PST           24.14             29         -              Normal
  02/12/2026 05 AM PST           24.10             26         -              Normal
  02/12/2026 06 AM PST           24.07             24         -              Normal
  02/12/2026 07 AM PST           24.04             22         -              Normal
  02/12/2026 08 AM PST           24.00             20         -              Normal
  02/12/2026 09 AM PST           23.97             18         -              Normal
  02/12/2026 10 AM PST           23.94             17         -              Normal
  02/12/2026 11 AM PST           23.92             16         -              Normal
  02/12/2026 12 PM PST           23.90             15         -              Normal
  02/12/2026 01 PM PST           23.89             14         -              Normal
  02/12/2026 02 PM PST           23.88             14         -              Normal
  02/12/2026 03 PM PST           23.87             13         -              Normal
  02/12/2026 04 PM PST           23.86             13         -              Normal
  02/12/2026 05 PM PST           23.86             13         0              Normal
  02/12/2026 06 PM PST           23.86             13         0              Normal
  02/12/2026 07 PM PST           23.86             13         0              Normal
  02/12/2026 08 PM PST           23.86             13         0              Normal
  02/12/2026 09 PM PST           23.85             12         -              Normal
  02/12/2026 10 PM PST           23.85             12         0              Normal
  02/12/2026 11 PM PST           23.85             12         0              Normal
  02/13/2026 12 AM PST           23.85             12         0              Normal
  02/13/2026 01 AM PST           23.85             12         0              Normal
  02/13/2026 02 AM PST           23.85             12         0              Normal
  02/13/2026 03 AM PST           23.85             12         0              Normal
  02/13/2026 04 AM PST           23.85             12         0              Normal
  02/13/2026 05 AM PST           23.85             12         0              Normal
  02/13/2026 06 AM PST           23.85             12         0              Normal
  02/13/2026 07 AM PST           23.85             12         0              Normal
  02/13/2026 08 AM PST           23.85             12         0              Normal
  02/13/2026 09 AM PST           23.84             12         -              Normal
  02/13/2026 10 AM PST           23.84             12         0              Normal
  02/13/2026 11 AM PST           23.84             12         0              Normal
  02/13/2026 12 PM PST           23.84             12         0              Normal
  02/13/2026 01 PM PST           23.84             12         0              Normal
  02/13/2026 02 PM PST           23.84             12         0              Normal
  02/13/2026 03 PM PST           23.84             12         0              Normal
  02/13/2026 04 PM PST           23.84             12         0              Normal
  02/13/2026 05 PM PST           23.84             12         0              Normal
  02/13/2026 06 PM PST           23.84             12         0              Normal
  02/13/2026 07 PM PST           23.84             12         0              Normal
  02/13/2026 08 PM PST           23.84             12         0              Normal
  02/13/2026 09 PM PST           23.84             12         0              Normal
  02/13/2026 10 PM PST           23.84             12         0              Normal
  02/13/2026 11 PM PST           23.84             12         0              Normal
  02/14/2026 12 AM PST           23.84             12         0              Normal
  02/14/2026 01 AM PST           23.84             12         0              Normal
  02/14/2026 02 AM PST           23.84             12         0              Normal
  02/14/2026 03 AM PST           23.83             12         -              Normal
  02/14/2026 04 AM PST           23.83             12         0              Normal
  02/14/2026 05 AM PST           23.83             12         0              Normal
  02/14/2026 06 AM PST           23.83             12         0              Normal
  02/14/2026 07 AM PST           23.83             12         0              Normal
  02/14/2026 08 AM PST           23.83             12         0              Normal
  02/14/2026 09 AM PST           23.83             12         0              Normal
  02/14/2026 10 AM PST           23.83             12         0              Normal
  02/14/2026 11 AM PST           23.83             12         0              Normal
  02/14/2026 12 PM PST           23.83             12         0              Normal
  02/14/2026 01 PM PST           23.83             12         0              Normal
  02/14/2026 02 PM PST           23.83             12         0              Normal
  02/14/2026 03 PM PST           23.83             12         0              Normal
  02/14/2026 04 PM PST           23.83             12         0              Normal
  02/14/2026 05 PM PST           23.82             11         -              Normal
  02/14/2026 06 PM PST           23.83             12         +              Normal
  02/14/2026 07 PM PST           23.83             12         0              Normal
  02/14/2026 08 PM PST           23.86             13         +              Normal
  02/14/2026 09 PM PST           23.90             15         +              Normal
  02/14/2026 10 PM PST           23.94             17         +              Normal
  02/14/2026 11 PM PST           23.97             18         +              Normal
  02/15/2026 12 AM PST           23.99             19         +              Normal
  02/15/2026 01 AM PST           24.01             20         +              Normal
  02/15/2026 02 AM PST           24.03             21         +              Normal
  02/15/2026 03 AM PST           24.05             23         +              Normal
  02/15/2026 04 AM PST           24.06             23         +              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.