SANTA ROSA CREEK - SANTA ROSA (SSAC1)
Latitude: 38.44º NLongitude: 122.72º WElevation: 138 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 24 2026 at 7:53 AM PSTNext Issuance: Feb 24 2026 at 3:00 PM 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:  02/24/2026 at 07:55 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/19/2026 at 11:00 AM PST
# Maximum Observed Stage:                       25.88 Feet
# Maximum Observed Flow:                        435 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/24/2026 at 06:00 PM PST
# Maximum Forecast Stage:                       27.84 Feet
# Maximum Forecast Flow:                        1089 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/19/2026 07 AM PST           25.56            328                        Normal
  02/19/2026 08 AM PST           25.62            347         +              Normal
  02/19/2026 09 AM PST           25.64            354         +              Normal
  02/19/2026 10 AM PST           25.77            397         +              Normal
  02/19/2026 11 AM PST           25.88            435         +              Normal
  02/19/2026 12 PM PST           25.78            401         -              Normal
  02/19/2026 01 PM PST           25.68            367         -              Normal
  02/19/2026 02 PM PST           25.57            331         -              Normal
  02/19/2026 03 PM PST           25.50            309         -              Normal
  02/19/2026 04 PM PST           25.41            281         -              Normal
  02/19/2026 05 PM PST           25.38            272         -              Normal
  02/19/2026 06 PM PST           25.31            250         -              Normal
  02/19/2026 07 PM PST           25.28            242         -              Normal
  02/19/2026 08 PM PST           25.24            230         -              Normal
  02/19/2026 09 PM PST           25.21            221         -              Normal
  02/19/2026 10 PM PST           25.19            215         -              Normal
  02/19/2026 11 PM PST           25.17            210         -              Normal
  02/20/2026 12 AM PST           25.15            204         -              Normal
  02/20/2026 01 AM PST           25.13            198         -              Normal
  02/20/2026 02 AM PST           25.11            193         -              Normal
  02/20/2026 03 AM PST           25.10            190         -              Normal
  02/20/2026 04 AM PST           25.09            187         -              Normal
  02/20/2026 05 AM PST           25.08            184         -              Normal
  02/20/2026 06 AM PST           25.06            179         -              Normal
  02/20/2026 07 AM PST           25.05            176         -              Normal
  02/20/2026 08 AM PST           25.05            176         0              Normal
  02/20/2026 09 AM PST           25.03            171         -              Normal
  02/20/2026 10 AM PST           25.03            171         0              Normal
  02/20/2026 11 AM PST           25.02            168         -              Normal
  02/20/2026 12 PM PST           25.01            165         -              Normal
  02/20/2026 01 PM PST           25.01            165         0              Normal
  02/20/2026 02 PM PST           25.00            163         -              Normal
  02/20/2026 03 PM PST           24.99            160         -              Normal
  02/20/2026 04 PM PST           24.99            160         0              Normal
  02/20/2026 05 PM PST           24.98            157         -              Normal
  02/20/2026 06 PM PST           24.97            155         -              Normal
  02/20/2026 07 PM PST           24.96            152         -              Normal
  02/20/2026 08 PM PST           24.95            150         -              Normal
  02/20/2026 09 PM PST           24.95            150         0              Normal
  02/20/2026 10 PM PST           24.94            147         -              Normal
  02/20/2026 11 PM PST           24.94            147         0              Normal
  02/21/2026 12 AM PST           24.92            142         -              Normal
  02/21/2026 01 AM PST           24.92            142         0              Normal
  02/21/2026 02 AM PST           24.90            137         -              Normal
  02/21/2026 03 AM PST           24.90            137         0              Normal
  02/21/2026 04 AM PST           24.89            134         -              Normal
  02/21/2026 05 AM PST           24.89            134         0              Normal
  02/21/2026 06 AM PST           24.88            132         -              Normal
  02/21/2026 07 AM PST           24.87            129         -              Normal
  02/21/2026 08 AM PST           24.86            127         -              Normal
  02/21/2026 09 AM PST           24.86            127         0              Normal
  02/21/2026 10 AM PST           24.86            127         0              Normal
  02/21/2026 11 AM PST           24.85            124         -              Normal
  02/21/2026 12 PM PST           24.84            122         -              Normal
  02/21/2026 01 PM PST           24.84            122         0              Normal
  02/21/2026 02 PM PST           24.83            120         -              Normal
  02/21/2026 03 PM PST           24.82            118         -              Normal
  02/21/2026 04 PM PST           24.82            118         0              Normal
  02/21/2026 05 PM PST           24.81            115         -              Normal
  02/21/2026 06 PM PST           24.80            113         -              Normal
  02/21/2026 07 PM PST           24.79            111         -              Normal
  02/21/2026 08 PM PST           24.78            109         -              Normal
  02/21/2026 09 PM PST           24.78            109         0              Normal
  02/21/2026 10 PM PST           24.76            105         -              Normal
  02/21/2026 11 PM PST           24.72             98         -              Normal
  02/22/2026 12 AM PST           24.68             92         -              Normal
  02/22/2026 01 AM PST           24.67             90         -              Normal
  02/22/2026 02 AM PST           24.66             88         -              Normal
  02/22/2026 03 AM PST           24.65             87         -              Normal
  02/22/2026 04 AM PST           24.64             85         -              Normal
  02/22/2026 05 AM PST           24.64             85         0              Normal
  02/22/2026 06 AM PST           24.64             85         0              Normal
  02/22/2026 07 AM PST           24.64             85         0              Normal
  02/22/2026 08 AM PST           24.64             85         0              Normal
  02/22/2026 09 AM PST           24.62             82         -              Normal
  02/22/2026 10 AM PST           24.62             82         0              Normal
  02/22/2026 11 AM PST           24.62             82         0              Normal
  02/22/2026 12 PM PST           24.62             82         0              Normal
  02/22/2026 01 PM PST           24.60             79         -              Normal
  02/22/2026 02 PM PST           24.61             80         +              Normal
  02/22/2026 03 PM PST           24.60             79         -              Normal
  02/22/2026 04 PM PST           24.59             77         -              Normal
  02/22/2026 05 PM PST           24.59             77         0              Normal
  02/22/2026 06 PM PST           24.57             75         -              Normal
  02/22/2026 07 PM PST           24.57             75         0              Normal
  02/22/2026 08 PM PST           24.57             75         0              Normal
  02/22/2026 09 PM PST           24.56             73         -              Normal
  02/22/2026 10 PM PST           24.56             73         0              Normal
  02/22/2026 11 PM PST           24.56             73         0              Normal
  02/23/2026 12 AM PST           24.54             70         -              Normal
  02/23/2026 01 AM PST           24.54             70         0              Normal
  02/23/2026 02 AM PST           24.54             70         0              Normal
  02/23/2026 03 AM PST           24.54             70         0              Normal
  02/23/2026 04 AM PST           24.54             70         0              Normal
  02/23/2026 05 AM PST           24.54             70         0              Normal
  02/23/2026 06 AM PST           24.53             69         -              Normal
  02/23/2026 07 AM PST           24.53             69         0              Normal
  02/23/2026 08 AM PST           24.53             69         0              Normal
  02/23/2026 09 AM PST           24.52             68         -              Normal
  02/23/2026 10 AM PST           24.52             68         0              Normal
  02/23/2026 11 AM PST           24.52             68         0              Normal
  02/23/2026 12 PM PST           24.52             68         0              Normal
  02/23/2026 01 PM PST           24.52             68         0              Normal
  02/23/2026 02 PM PST           24.52             68         0              Normal
  02/23/2026 03 PM PST           24.51             66         -              Normal
  02/23/2026 04 PM PST           24.51             66         0              Normal
  02/23/2026 05 PM PST           24.51             66         0              Normal
  02/23/2026 06 PM PST           24.50             65         -              Normal
  02/23/2026 07 PM PST           24.49             64         -              Normal
  02/23/2026 08 PM PST           24.49             64         0              Normal
  02/23/2026 09 PM PST           24.49             64         0              Normal
  02/23/2026 10 PM PST           24.48             62         -              Normal
  02/23/2026 11 PM PST           24.49             64         +              Normal
  02/24/2026 12 AM PST           24.50             65         +              Normal
  02/24/2026 01 AM PST           24.49             64         -              Normal
  02/24/2026 02 AM PST           24.51             66         +              Normal
  02/24/2026 03 AM PST           24.50             65         -              Normal
  02/24/2026 04 AM PST           24.50             65         0              Normal
  02/24/2026 05 AM PST           24.50             65         0              Normal
  02/24/2026 06 AM PST           24.49             64         -              Normal
  02/24/2026 07 AM PST           24.50             65         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/24/2026 08 AM PST           24.52             68                        Normal
  02/24/2026 09 AM PST           24.56             73         +              Normal
  02/24/2026 10 AM PST           24.59             77         +              Normal
  02/24/2026 11 AM PST           24.61             80         +              Normal
  02/24/2026 12 PM PST           24.67             90         +              Normal
  02/24/2026 01 PM PST           24.99            160         +              Normal
  02/24/2026 02 PM PST           25.65            357         +              Normal
  02/24/2026 03 PM PST           26.49            645         +              Normal
  02/24/2026 04 PM PST           27.21            866         +              Normal
  02/24/2026 05 PM PST           27.57            990         +              Normal
  02/24/2026 06 PM PST           27.84           1089         +              Normal
  02/24/2026 07 PM PST           27.76           1059         -              Normal
  02/24/2026 08 PM PST           27.60           1001         -              Normal
  02/24/2026 09 PM PST           27.54            980         -              Normal
  02/24/2026 10 PM PST           27.48            959         -              Normal
  02/24/2026 11 PM PST           27.40            931         -              Normal
  02/25/2026 12 AM PST           27.28            890         -              Normal
  02/25/2026 01 AM PST           27.00            798         -              Normal
  02/25/2026 02 AM PST           26.60            679         -              Normal
  02/25/2026 03 AM PST           26.31            589         -              Normal
  02/25/2026 04 AM PST           26.13            523         -              Normal
  02/25/2026 05 AM PST           26.02            484         -              Normal
  02/25/2026 06 AM PST           25.94            456         -              Normal
  02/25/2026 07 AM PST           25.84            421         -              Normal
  02/25/2026 08 AM PST           25.73            384         -              Normal
  02/25/2026 09 AM PST           25.63            351         -              Normal
  02/25/2026 10 AM PST           25.53            318         -              Normal
  02/25/2026 11 AM PST           25.46            296         -              Normal
  02/25/2026 12 PM PST           25.40            278         -              Normal
  02/25/2026 01 PM PST           25.35            263         -              Normal
  02/25/2026 02 PM PST           25.30            248         -              Normal
  02/25/2026 03 PM PST           25.25            233         -              Normal
  02/25/2026 04 PM PST           25.20            218         -              Normal
  02/25/2026 05 PM PST           25.16            207         -              Normal
  02/25/2026 06 PM PST           25.12            195         -              Normal
  02/25/2026 07 PM PST           25.09            187         -              Normal
  02/25/2026 08 PM PST           25.07            182         -              Normal
  02/25/2026 09 PM PST           25.04            173         -              Normal
  02/25/2026 10 PM PST           25.01            165         -              Normal
  02/25/2026 11 PM PST           25.00            163         -              Normal
  02/26/2026 12 AM PST           24.98            157         -              Normal
  02/26/2026 01 AM PST           24.97            155         -              Normal
  02/26/2026 02 AM PST           24.96            152         -              Normal
  02/26/2026 03 AM PST           24.94            147         -              Normal
  02/26/2026 04 AM PST           24.93            144         -              Normal
  02/26/2026 05 AM PST           24.92            142         -              Normal
  02/26/2026 06 AM PST           24.91            139         -              Normal
  02/26/2026 07 AM PST           24.90            137         -              Normal
  02/26/2026 08 AM PST           24.89            134         -              Normal
  02/26/2026 09 AM PST           24.89            134         0              Normal
  02/26/2026 10 AM PST           24.88            132         -              Normal
  02/26/2026 11 AM PST           24.87            129         -              Normal
  02/26/2026 12 PM PST           24.86            127         -              Normal
  02/26/2026 01 PM PST           24.86            127         0              Normal
  02/26/2026 02 PM PST           24.85            124         -              Normal
  02/26/2026 03 PM PST           24.84            122         -              Normal
  02/26/2026 04 PM PST           24.84            122         0              Normal
  02/26/2026 05 PM PST           24.83            120         -              Normal
  02/26/2026 06 PM PST           24.83            120         0              Normal
  02/26/2026 07 PM PST           24.82            118         -              Normal
  02/26/2026 08 PM PST           24.82            118         0              Normal
  02/26/2026 09 PM PST           24.81            115         -              Normal
  02/26/2026 10 PM PST           24.80            113         -              Normal
  02/26/2026 11 PM PST           24.80            113         0              Normal
  02/27/2026 12 AM PST           24.79            111         -              Normal
  02/27/2026 01 AM PST           24.79            111         0              Normal
  02/27/2026 02 AM PST           24.78            109         -              Normal
  02/27/2026 03 AM PST           24.78            109         0              Normal
  02/27/2026 04 AM PST           24.77            107         -              Normal
  02/27/2026 05 AM PST           24.77            107         0              Normal
  02/27/2026 06 AM PST           24.76            105         -              Normal
  02/27/2026 07 AM PST           24.76            105         0              Normal
  02/27/2026 08 AM PST           24.75            103         -              Normal
  02/27/2026 09 AM PST           24.75            103         0              Normal
  02/27/2026 10 AM PST           24.74            102         -              Normal
  02/27/2026 11 AM PST           24.73            100         -              Normal
  02/27/2026 12 PM PST           24.73            100         0              Normal
  02/27/2026 01 PM PST           24.73            100         0              Normal
  02/27/2026 02 PM PST           24.72             98         -              Normal
  02/27/2026 03 PM PST           24.71             96         -              Normal
  02/27/2026 04 PM PST           24.71             96         0              Normal
  02/27/2026 05 PM PST           24.70             95         -              Normal
  02/27/2026 06 PM PST           24.70             95         0              Normal
  02/27/2026 07 PM PST           24.70             95         0              Normal
  02/27/2026 08 PM PST           24.69             93         -              Normal
  02/27/2026 09 PM PST           24.69             93         0              Normal
  02/27/2026 10 PM PST           24.68             92         -              Normal
  02/27/2026 11 PM PST           24.68             92         0              Normal
  02/28/2026 12 AM PST           24.67             90         -              Normal
  02/28/2026 01 AM PST           24.67             90         0              Normal
  02/28/2026 02 AM PST           24.67             90         0              Normal
  02/28/2026 03 AM PST           24.66             88         -              Normal
  02/28/2026 04 AM PST           24.66             88         0              Normal
  02/28/2026 05 AM PST           24.65             87         -              Normal
  02/28/2026 06 AM PST           24.65             87         0              Normal
  02/28/2026 07 AM PST           24.64             85         -              Normal
  02/28/2026 08 AM PST           24.64             85         0              Normal
  02/28/2026 09 AM PST           24.64             85         0              Normal
  02/28/2026 10 AM PST           24.63             84         -              Normal
  02/28/2026 11 AM PST           24.63             84         0              Normal
  02/28/2026 12 PM PST           24.62             82         -              Normal
  02/28/2026 01 PM PST           24.62             82         0              Normal
  02/28/2026 02 PM PST           24.62             82         0              Normal
  02/28/2026 03 PM PST           24.61             80         -              Normal
  02/28/2026 04 PM PST           24.61             80         0              Normal
  02/28/2026 05 PM PST           24.60             79         -              Normal
  02/28/2026 06 PM PST           24.60             79         0              Normal
  02/28/2026 07 PM PST           24.60             79         0              Normal
  02/28/2026 08 PM PST           24.59             77         -              Normal
  02/28/2026 09 PM PST           24.59             77         0              Normal
  02/28/2026 10 PM PST           24.59             77         0              Normal
  02/28/2026 11 PM PST           24.58             76         -              Normal
  03/01/2026 12 AM PST           24.58             76         0              Normal
  03/01/2026 01 AM PST           24.58             76         0              Normal
  03/01/2026 02 AM PST           24.57             75         -              Normal
  03/01/2026 03 AM PST           24.57             75         0              Normal
  03/01/2026 04 AM PST           24.56             73         -              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.