National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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BIG SULPHUR CREEK - CLOVERDALE (BSCC1)
Latitude: 38.83º NLongitude: 123.00º WElevation: 345 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Mar 22 2026 at 7:44 AM PDTNext Issuance: Mar 23 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Big Sulphur Creek - Cloverdale (BSCC1)
#
# File Generation Time:  03/22/2026 at 07:47 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/17/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       16.13 Feet
# Maximum Observed Flow:                        89 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/22/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       16.01 Feet
# Maximum Forecast Flow:                        74 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/17/2026 07 AM PDT           16.12             88                Not Applicable
  03/17/2026 08 AM PDT           16.13             89         +      Not Applicable
  03/17/2026 09 AM PDT           16.12             88         -      Not Applicable
  03/17/2026 10 AM PDT           16.12             88         0      Not Applicable
  03/17/2026 11 AM PDT           16.13             89         +      Not Applicable
  03/17/2026 12 PM PDT           16.13             89         0      Not Applicable
  03/17/2026 01 PM PDT           16.13             89         0      Not Applicable
  03/17/2026 02 PM PDT           16.12             88         -      Not Applicable
  03/17/2026 03 PM PDT           16.12             88         0      Not Applicable
  03/17/2026 04 PM PDT           16.13             89         +      Not Applicable
  03/17/2026 05 PM PDT           16.11             87         -      Not Applicable
  03/17/2026 06 PM PDT           16.11             87         0      Not Applicable
  03/17/2026 07 PM PDT           16.11             87         0      Not Applicable
  03/17/2026 08 PM PDT           16.11             87         0      Not Applicable
  03/17/2026 09 PM PDT           16.10             85         -      Not Applicable
  03/17/2026 10 PM PDT           16.10             85         0      Not Applicable
  03/17/2026 11 PM PDT           16.10             85         0      Not Applicable
  03/18/2026 12 AM PDT           16.09             84         -      Not Applicable
  03/18/2026 01 AM PDT           16.09             84         0      Not Applicable
  03/18/2026 02 AM PDT           16.10             85         +      Not Applicable
  03/18/2026 03 AM PDT           16.09             84         -      Not Applicable
  03/18/2026 04 AM PDT           16.09             84         0      Not Applicable
  03/18/2026 05 AM PDT           16.09             84         0      Not Applicable
  03/18/2026 06 AM PDT           16.08             83         -      Not Applicable
  03/18/2026 07 AM PDT           16.09             84         +      Not Applicable
  03/18/2026 08 AM PDT           16.09             84         0      Not Applicable
  03/18/2026 09 AM PDT           16.09             84         0      Not Applicable
  03/18/2026 10 AM PDT           16.08             83         -      Not Applicable
  03/18/2026 11 AM PDT           16.09             84         +      Not Applicable
  03/18/2026 12 PM PDT           16.09             84         0      Not Applicable
  03/18/2026 01 PM PDT           16.09             84         0      Not Applicable
  03/18/2026 02 PM PDT           16.09             84         0      Not Applicable
  03/18/2026 03 PM PDT           16.09             84         0      Not Applicable
  03/18/2026 04 PM PDT           16.09             84         0      Not Applicable
  03/18/2026 05 PM PDT           16.08             83         -      Not Applicable
  03/18/2026 06 PM PDT           16.08             83         0      Not Applicable
  03/18/2026 07 PM PDT           16.08             83         0      Not Applicable
  03/18/2026 08 PM PDT           16.07             81         -      Not Applicable
  03/18/2026 09 PM PDT           16.07             81         0      Not Applicable
  03/18/2026 10 PM PDT           16.07             81         0      Not Applicable
  03/18/2026 11 PM PDT           16.07             81         0      Not Applicable
  03/19/2026 12 AM PDT           16.07             81         0      Not Applicable
  03/19/2026 01 AM PDT           16.07             81         0      Not Applicable
  03/19/2026 02 AM PDT           16.06             80         -      Not Applicable
  03/19/2026 03 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 04 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 05 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 06 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 07 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 08 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 09 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 10 AM PDT           16.06             80         0      Not Applicable
  03/19/2026 11 AM PDT           16.05             79         -      Not Applicable
  03/19/2026 12 PM PDT           16.06             80         +      Not Applicable
  03/19/2026 01 PM PDT           16.06             80         0      Not Applicable
  03/19/2026 02 PM PDT           16.06             80         0      Not Applicable
  03/19/2026 03 PM PDT           16.06             80         0      Not Applicable
  03/19/2026 04 PM PDT           16.05             79         -      Not Applicable
  03/19/2026 05 PM PDT           16.05             79         0      Not Applicable
  03/19/2026 06 PM PDT           16.06             80         +      Not Applicable
  03/19/2026 07 PM PDT           16.04             77         -      Not Applicable
  03/19/2026 08 PM PDT           16.05             79         +      Not Applicable
  03/19/2026 09 PM PDT           16.04             77         -      Not Applicable
  03/19/2026 10 PM PDT           16.03             76         -      Not Applicable
  03/19/2026 11 PM PDT           16.04             77         +      Not Applicable
  03/20/2026 12 AM PDT           16.04             77         0      Not Applicable
  03/20/2026 01 AM PDT           16.03             76         -      Not Applicable
  03/20/2026 02 AM PDT           16.04             77         +      Not Applicable
  03/20/2026 03 AM PDT           16.03             76         -      Not Applicable
  03/20/2026 04 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 05 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 06 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 07 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 08 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 09 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 10 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 11 AM PDT           16.03             76         0      Not Applicable
  03/20/2026 12 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 01 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 02 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 03 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 04 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 05 PM PDT           16.03             76         0      Not Applicable
  03/20/2026 06 PM PDT           16.07             81         +      Not Applicable
  03/20/2026 07 PM PDT           16.07             81         0      Not Applicable
  03/20/2026 08 PM PDT           16.07             81         0      Not Applicable
  03/20/2026 09 PM PDT           16.06             80         -      Not Applicable
  03/20/2026 10 PM PDT           16.06             80         0      Not Applicable
  03/20/2026 11 PM PDT           16.06             80         0      Not Applicable
  03/21/2026 12 AM PDT           16.05             79         -      Not Applicable
  03/21/2026 01 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 02 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 03 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 04 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 05 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 06 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 07 AM PDT           16.06             80         +      Not Applicable
  03/21/2026 08 AM PDT           16.05             79         -      Not Applicable
  03/21/2026 09 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 10 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 11 AM PDT           16.05             79         0      Not Applicable
  03/21/2026 12 PM PDT           16.05             79         0      Not Applicable
  03/21/2026 01 PM PDT           16.06             80         +      Not Applicable
  03/21/2026 02 PM PDT           16.05             79         -      Not Applicable
  03/21/2026 03 PM PDT           16.05             79         0      Not Applicable
  03/21/2026 04 PM PDT           16.05             79         0      Not Applicable
  03/21/2026 05 PM PDT           16.05             79         0      Not Applicable
  03/21/2026 06 PM PDT           16.04             77         -      Not Applicable
  03/21/2026 07 PM PDT           16.04             77         0      Not Applicable
  03/21/2026 08 PM PDT           16.03             76         -      Not Applicable
  03/21/2026 09 PM PDT           16.03             76         0      Not Applicable
  03/21/2026 10 PM PDT           16.03             76         0      Not Applicable
  03/21/2026 11 PM PDT           16.02             75         -      Not Applicable
  03/22/2026 12 AM PDT           16.02             75         0      Not Applicable
  03/22/2026 01 AM PDT           16.02             75         0      Not Applicable
  03/22/2026 02 AM PDT           16.02             75         0      Not Applicable
  03/22/2026 03 AM PDT           16.02             75         0      Not Applicable
  03/22/2026 04 AM PDT           16.01             74         -      Not Applicable
  03/22/2026 05 AM PDT           16.01             74         0      Not Applicable
  03/22/2026 06 AM PDT           16.01             74         0      Not Applicable
  03/22/2026 07 AM PDT           16.01             74         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/22/2026 08 AM PDT           16.01             74                Not Applicable
  03/22/2026 09 AM PDT           16.01             74         0      Not Applicable
  03/22/2026 10 AM PDT           16.01             74         0      Not Applicable
  03/22/2026 11 AM PDT           16.01             74         0      Not Applicable
  03/22/2026 12 PM PDT           16.01             74         0      Not Applicable
  03/22/2026 01 PM PDT           16.00             73         -      Not Applicable
  03/22/2026 02 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 03 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 04 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 05 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 06 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 07 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 08 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 09 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 10 PM PDT           16.00             73         0      Not Applicable
  03/22/2026 11 PM PDT           16.00             73         0      Not Applicable
  03/23/2026 12 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 01 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 02 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 03 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 04 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 05 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 06 AM PDT           16.00             73         0      Not Applicable
  03/23/2026 07 AM PDT           15.99             71         -      Not Applicable
  03/23/2026 08 AM PDT           15.99             71         0      Not Applicable
  03/23/2026 09 AM PDT           15.99             71         0      Not Applicable
  03/23/2026 10 AM PDT           15.99             71         0      Not Applicable
  03/23/2026 11 AM PDT           15.99             71         0      Not Applicable
  03/23/2026 12 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 01 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 02 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 03 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 04 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 05 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 06 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 07 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 08 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 09 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 10 PM PDT           15.99             71         0      Not Applicable
  03/23/2026 11 PM PDT           15.99             71         0      Not Applicable
  03/24/2026 12 AM PDT           15.99             71         0      Not Applicable
  03/24/2026 01 AM PDT           15.98             70         -      Not Applicable
  03/24/2026 02 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 03 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 04 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 05 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 06 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 07 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 08 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 09 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 10 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 11 AM PDT           15.98             70         0      Not Applicable
  03/24/2026 12 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 01 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 02 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 03 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 04 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 05 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 06 PM PDT           15.98             70         0      Not Applicable
  03/24/2026 07 PM PDT           15.97             69         -      Not Applicable
  03/24/2026 08 PM PDT           15.97             69         0      Not Applicable
  03/24/2026 09 PM PDT           15.97             69         0      Not Applicable
  03/24/2026 10 PM PDT           15.97             69         0      Not Applicable
  03/24/2026 11 PM PDT           15.97             69         0      Not Applicable
  03/25/2026 12 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 01 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 02 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 03 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 04 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 05 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 06 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 07 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 08 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 09 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 10 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 11 AM PDT           15.97             69         0      Not Applicable
  03/25/2026 12 PM PDT           15.97             69         0      Not Applicable
  03/25/2026 01 PM PDT           15.96             68         -      Not Applicable
  03/25/2026 02 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 03 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 04 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 05 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 06 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 07 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 08 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 09 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 10 PM PDT           15.96             68         0      Not Applicable
  03/25/2026 11 PM PDT           15.96             68         0      Not Applicable
  03/26/2026 12 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 01 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 02 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 03 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 04 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 05 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 06 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 07 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 08 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 09 AM PDT           15.96             68         0      Not Applicable
  03/26/2026 10 AM PDT           15.95             67         -      Not Applicable
  03/26/2026 11 AM PDT           15.95             67         0      Not Applicable
  03/26/2026 12 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 01 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 02 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 03 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 04 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 05 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 06 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 07 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 08 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 09 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 10 PM PDT           15.95             67         0      Not Applicable
  03/26/2026 11 PM PDT           15.95             67         0      Not Applicable
  03/27/2026 12 AM PDT           15.95             67         0      Not Applicable
  03/27/2026 01 AM PDT           15.95             67         0      Not Applicable
  03/27/2026 02 AM PDT           15.95             67         0      Not Applicable
  03/27/2026 03 AM PDT           15.94             65         -      Not Applicable
  03/27/2026 04 AM PDT           15.94             65         0      Not Applicable
  03/27/2026 05 AM PDT           15.94             65         0      Not Applicable
#
# 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.