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 09 2026 at 12:45 PM PDTNext Issuance: Mar 10 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:  03/09/2026 at 12:47 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/04/2026 at 11:00 AM PST
# Maximum Observed Stage:                       16.90 Feet
# Maximum Observed Flow:                        368 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/09/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       16.54 Feet
# Maximum Forecast Flow:                        269 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/04/2026 11 AM PST           16.90            368                Not Applicable
  03/04/2026 12 PM PST           16.89            365         -      Not Applicable
  03/04/2026 01 PM PST           16.89            365         0      Not Applicable
  03/04/2026 02 PM PST           16.88            362         -      Not Applicable
  03/04/2026 03 PM PST           16.88            362         0      Not Applicable
  03/04/2026 04 PM PST           16.88            362         0      Not Applicable
  03/04/2026 05 PM PST           16.87            359         -      Not Applicable
  03/04/2026 06 PM PST           16.85            353         -      Not Applicable
  03/04/2026 07 PM PST           16.85            353         0      Not Applicable
  03/04/2026 08 PM PST           16.84            350         -      Not Applicable
  03/04/2026 09 PM PST           16.83            347         -      Not Applicable
  03/04/2026 10 PM PST           16.83            347         0      Not Applicable
  03/04/2026 11 PM PST           16.82            345         -      Not Applicable
  03/05/2026 12 AM PST           16.82            345         0      Not Applicable
  03/05/2026 01 AM PST           16.82            345         0      Not Applicable
  03/05/2026 02 AM PST           16.82            345         0      Not Applicable
  03/05/2026 03 AM PST           16.81            342         -      Not Applicable
  03/05/2026 04 AM PST           16.79            336         -      Not Applicable
  03/05/2026 05 AM PST           16.80            339         +      Not Applicable
  03/05/2026 06 AM PST           16.80            339         0      Not Applicable
  03/05/2026 07 AM PST           16.80            339         0      Not Applicable
  03/05/2026 08 AM PST           16.80            339         0      Not Applicable
  03/05/2026 09 AM PST           16.78            333         -      Not Applicable
  03/05/2026 10 AM PST           16.79            336         +      Not Applicable
  03/05/2026 11 AM PST           16.78            333         -      Not Applicable
  03/05/2026 12 PM PST           16.77            330         -      Not Applicable
  03/05/2026 01 PM PST           16.78            333         +      Not Applicable
  03/05/2026 02 PM PST           16.78            333         0      Not Applicable
  03/05/2026 03 PM PST           16.76            328         -      Not Applicable
  03/05/2026 04 PM PST           16.76            328         0      Not Applicable
  03/05/2026 05 PM PST           16.75            325         -      Not Applicable
  03/05/2026 06 PM PST           16.76            328         +      Not Applicable
  03/05/2026 07 PM PST           16.75            325         -      Not Applicable
  03/05/2026 08 PM PST           16.74            322         -      Not Applicable
  03/05/2026 09 PM PST           16.73            319         -      Not Applicable
  03/05/2026 10 PM PST           16.74            322         +      Not Applicable
  03/05/2026 11 PM PST           16.74            322         0      Not Applicable
  03/06/2026 12 AM PST           16.73            319         -      Not Applicable
  03/06/2026 01 AM PST           16.72            316         -      Not Applicable
  03/06/2026 02 AM PST           16.72            316         0      Not Applicable
  03/06/2026 03 AM PST           16.72            316         0      Not Applicable
  03/06/2026 04 AM PST           16.72            316         0      Not Applicable
  03/06/2026 05 AM PST           16.72            316         0      Not Applicable
  03/06/2026 06 AM PST           16.70            311         -      Not Applicable
  03/06/2026 07 AM PST           16.70            311         0      Not Applicable
  03/06/2026 08 AM PST           16.70            311         0      Not Applicable
  03/06/2026 09 AM PST           16.70            311         0      Not Applicable
  03/06/2026 10 AM PST           16.70            311         0      Not Applicable
  03/06/2026 11 AM PST           16.69            308         -      Not Applicable
  03/06/2026 12 PM PST           16.70            311         +      Not Applicable
  03/06/2026 01 PM PST           16.70            311         0      Not Applicable
  03/06/2026 02 PM PST           16.69            308         -      Not Applicable
  03/06/2026 03 PM PST           16.69            308         0      Not Applicable
  03/06/2026 04 PM PST           16.69            308         0      Not Applicable
  03/06/2026 05 PM PST           16.68            306         -      Not Applicable
  03/06/2026 06 PM PST           16.67            303         -      Not Applicable
  03/06/2026 07 PM PST           16.67            303         0      Not Applicable
  03/06/2026 08 PM PST           16.66            300         -      Not Applicable
  03/06/2026 09 PM PST           16.66            300         0      Not Applicable
  03/06/2026 10 PM PST           16.66            300         0      Not Applicable
  03/06/2026 11 PM PST           16.66            300         0      Not Applicable
  03/07/2026 12 AM PST           16.65            298         -      Not Applicable
  03/07/2026 01 AM PST           16.65            298         0      Not Applicable
  03/07/2026 02 AM PST           16.65            298         0      Not Applicable
  03/07/2026 03 AM PST           16.64            295         -      Not Applicable
  03/07/2026 04 AM PST           16.64            295         0      Not Applicable
  03/07/2026 05 AM PST           16.64            295         0      Not Applicable
  03/07/2026 06 AM PST           16.63            292         -      Not Applicable
  03/07/2026 07 AM PST           16.63            292         0      Not Applicable
  03/07/2026 08 AM PST           16.64            295         +      Not Applicable
  03/07/2026 09 AM PST           16.63            292         -      Not Applicable
  03/07/2026 10 AM PST           16.63            292         0      Not Applicable
  03/07/2026 11 AM PST           16.63            292         0      Not Applicable
  03/07/2026 12 PM PST           16.62            290         -      Not Applicable
  03/07/2026 01 PM PST           16.62            290         0      Not Applicable
  03/07/2026 02 PM PST           16.62            290         0      Not Applicable
  03/07/2026 03 PM PST           16.61            287         -      Not Applicable
  03/07/2026 04 PM PST           16.61            287         0      Not Applicable
  03/07/2026 05 PM PST           16.61            287         0      Not Applicable
  03/07/2026 06 PM PST           16.60            284         -      Not Applicable
  03/07/2026 07 PM PST           16.60            284         0      Not Applicable
  03/07/2026 08 PM PST           16.60            284         0      Not Applicable
  03/07/2026 09 PM PST           16.59            282         -      Not Applicable
  03/07/2026 10 PM PST           16.60            284         +      Not Applicable
  03/07/2026 11 PM PST           16.59            282         -      Not Applicable
  03/08/2026 12 AM PST           16.59            282         0      Not Applicable
  03/08/2026 01 AM PST           16.59            282         0      Not Applicable
  03/08/2026 03 AM PDT           16.59            282         0      Not Applicable
  03/08/2026 04 AM PDT           16.58            279         -      Not Applicable
  03/08/2026 05 AM PDT           16.59            282         +      Not Applicable
  03/08/2026 06 AM PDT           16.58            279         -      Not Applicable
  03/08/2026 07 AM PDT           16.58            279         0      Not Applicable
  03/08/2026 08 AM PDT           16.58            279         0      Not Applicable
  03/08/2026 09 AM PDT           16.58            279         0      Not Applicable
  03/08/2026 10 AM PDT           16.57            277         -      Not Applicable
  03/08/2026 11 AM PDT           16.58            279         +      Not Applicable
  03/08/2026 12 PM PDT           16.58            279         0      Not Applicable
  03/08/2026 01 PM PDT           16.57            277         -      Not Applicable
  03/08/2026 02 PM PDT           16.57            277         0      Not Applicable
  03/08/2026 03 PM PDT           16.57            277         0      Not Applicable
  03/08/2026 04 PM PDT           16.57            277         0      Not Applicable
  03/08/2026 05 PM PDT           16.57            277         0      Not Applicable
  03/08/2026 06 PM PDT           16.57            277         0      Not Applicable
  03/08/2026 07 PM PDT           16.56            274         -      Not Applicable
  03/08/2026 08 PM PDT           16.56            274         0      Not Applicable
  03/08/2026 09 PM PDT           16.56            274         0      Not Applicable
  03/08/2026 10 PM PDT           16.55            272         -      Not Applicable
  03/08/2026 11 PM PDT           16.55            272         0      Not Applicable
  03/09/2026 12 AM PDT           16.55            272         0      Not Applicable
  03/09/2026 01 AM PDT           16.55            272         0      Not Applicable
  03/09/2026 02 AM PDT           16.55            272         0      Not Applicable
  03/09/2026 03 AM PDT           16.55            272         0      Not Applicable
  03/09/2026 04 AM PDT           16.54            269         -      Not Applicable
  03/09/2026 05 AM PDT           16.54            269         0      Not Applicable
  03/09/2026 06 AM PDT           16.54            269         0      Not Applicable
  03/09/2026 07 AM PDT           16.54            269         0      Not Applicable
  03/09/2026 08 AM PDT           16.53            267         -      Not Applicable
  03/09/2026 09 AM PDT           16.54            269         +      Not Applicable
  03/09/2026 10 AM PDT           16.54            269         0      Not Applicable
  03/09/2026 11 AM PDT           16.54            269         0      Not Applicable
  03/09/2026 12 PM PDT           16.54            269         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/09/2026 01 PM PDT           16.54            269                Not Applicable
  03/09/2026 02 PM PDT           16.54            269         0      Not Applicable
  03/09/2026 03 PM PDT           16.53            267         -      Not Applicable
  03/09/2026 04 PM PDT           16.53            267         0      Not Applicable
  03/09/2026 05 PM PDT           16.53            267         0      Not Applicable
  03/09/2026 06 PM PDT           16.53            267         0      Not Applicable
  03/09/2026 07 PM PDT           16.52            264         -      Not Applicable
  03/09/2026 08 PM PDT           16.52            264         0      Not Applicable
  03/09/2026 09 PM PDT           16.52            264         0      Not Applicable
  03/09/2026 10 PM PDT           16.52            264         0      Not Applicable
  03/09/2026 11 PM PDT           16.52            264         0      Not Applicable
  03/10/2026 12 AM PDT           16.52            264         0      Not Applicable
  03/10/2026 01 AM PDT           16.51            262         -      Not Applicable
  03/10/2026 02 AM PDT           16.51            262         0      Not Applicable
  03/10/2026 03 AM PDT           16.51            262         0      Not Applicable
  03/10/2026 04 AM PDT           16.51            262         0      Not Applicable
  03/10/2026 05 AM PDT           16.51            262         0      Not Applicable
  03/10/2026 06 AM PDT           16.50            259         -      Not Applicable
  03/10/2026 07 AM PDT           16.50            259         0      Not Applicable
  03/10/2026 08 AM PDT           16.50            259         0      Not Applicable
  03/10/2026 09 AM PDT           16.50            259         0      Not Applicable
  03/10/2026 10 AM PDT           16.50            259         0      Not Applicable
  03/10/2026 11 AM PDT           16.50            259         0      Not Applicable
  03/10/2026 12 PM PDT           16.49            257         -      Not Applicable
  03/10/2026 01 PM PDT           16.49            257         0      Not Applicable
  03/10/2026 02 PM PDT           16.49            257         0      Not Applicable
  03/10/2026 03 PM PDT           16.49            257         0      Not Applicable
  03/10/2026 04 PM PDT           16.49            257         0      Not Applicable
  03/10/2026 05 PM PDT           16.48            254         -      Not Applicable
  03/10/2026 06 PM PDT           16.48            254         0      Not Applicable
  03/10/2026 07 PM PDT           16.48            254         0      Not Applicable
  03/10/2026 08 PM PDT           16.48            254         0      Not Applicable
  03/10/2026 09 PM PDT           16.48            254         0      Not Applicable
  03/10/2026 10 PM PDT           16.48            254         0      Not Applicable
  03/10/2026 11 PM PDT           16.47            252         -      Not Applicable
  03/11/2026 12 AM PDT           16.47            252         0      Not Applicable
  03/11/2026 01 AM PDT           16.47            252         0      Not Applicable
  03/11/2026 02 AM PDT           16.47            252         0      Not Applicable
  03/11/2026 03 AM PDT           16.47            252         0      Not Applicable
  03/11/2026 04 AM PDT           16.46            249         -      Not Applicable
  03/11/2026 05 AM PDT           16.46            249         0      Not Applicable
  03/11/2026 06 AM PDT           16.46            249         0      Not Applicable
  03/11/2026 07 AM PDT           16.46            249         0      Not Applicable
  03/11/2026 08 AM PDT           16.46            249         0      Not Applicable
  03/11/2026 09 AM PDT           16.46            249         0      Not Applicable
  03/11/2026 10 AM PDT           16.45            247         -      Not Applicable
  03/11/2026 11 AM PDT           16.45            247         0      Not Applicable
  03/11/2026 12 PM PDT           16.45            247         0      Not Applicable
  03/11/2026 01 PM PDT           16.45            247         0      Not Applicable
  03/11/2026 02 PM PDT           16.45            247         0      Not Applicable
  03/11/2026 03 PM PDT           16.45            247         0      Not Applicable
  03/11/2026 04 PM PDT           16.45            247         0      Not Applicable
  03/11/2026 05 PM PDT           16.44            245         -      Not Applicable
  03/11/2026 06 PM PDT           16.44            245         0      Not Applicable
  03/11/2026 07 PM PDT           16.44            245         0      Not Applicable
  03/11/2026 08 PM PDT           16.44            245         0      Not Applicable
  03/11/2026 09 PM PDT           16.44            245         0      Not Applicable
  03/11/2026 10 PM PDT           16.43            242         -      Not Applicable
  03/11/2026 11 PM PDT           16.43            242         0      Not Applicable
  03/12/2026 12 AM PDT           16.43            242         0      Not Applicable
  03/12/2026 01 AM PDT           16.43            242         0      Not Applicable
  03/12/2026 02 AM PDT           16.43            242         0      Not Applicable
  03/12/2026 03 AM PDT           16.43            242         0      Not Applicable
  03/12/2026 04 AM PDT           16.42            240         -      Not Applicable
  03/12/2026 05 AM PDT           16.42            240         0      Not Applicable
  03/12/2026 06 AM PDT           16.42            240         0      Not Applicable
  03/12/2026 07 AM PDT           16.42            240         0      Not Applicable
  03/12/2026 08 AM PDT           16.42            240         0      Not Applicable
  03/12/2026 09 AM PDT           16.41            238         -      Not Applicable
  03/12/2026 10 AM PDT           16.41            238         0      Not Applicable
  03/12/2026 11 AM PDT           16.41            238         0      Not Applicable
  03/12/2026 12 PM PDT           16.41            238         0      Not Applicable
  03/12/2026 01 PM PDT           16.41            238         0      Not Applicable
  03/12/2026 02 PM PDT           16.41            238         0      Not Applicable
  03/12/2026 03 PM PDT           16.41            238         0      Not Applicable
  03/12/2026 04 PM PDT           16.40            235         -      Not Applicable
  03/12/2026 05 PM PDT           16.40            235         0      Not Applicable
  03/12/2026 06 PM PDT           16.40            235         0      Not Applicable
  03/12/2026 07 PM PDT           16.40            235         0      Not Applicable
  03/12/2026 08 PM PDT           16.40            235         0      Not Applicable
  03/12/2026 09 PM PDT           16.39            233         -      Not Applicable
  03/12/2026 10 PM PDT           16.39            233         0      Not Applicable
  03/12/2026 11 PM PDT           16.39            233         0      Not Applicable
  03/13/2026 12 AM PDT           16.39            233         0      Not Applicable
  03/13/2026 01 AM PDT           16.39            233         0      Not Applicable
  03/13/2026 02 AM PDT           16.39            233         0      Not Applicable
  03/13/2026 03 AM PDT           16.39            233         0      Not Applicable
  03/13/2026 04 AM PDT           16.38            231         -      Not Applicable
  03/13/2026 05 AM PDT           16.38            231         0      Not Applicable
  03/13/2026 06 AM PDT           16.38            231         0      Not Applicable
  03/13/2026 07 AM PDT           16.38            231         0      Not Applicable
  03/13/2026 08 AM PDT           16.38            231         0      Not Applicable
  03/13/2026 09 AM PDT           16.38            231         0      Not Applicable
  03/13/2026 10 AM PDT           16.37            228         -      Not Applicable
  03/13/2026 11 AM PDT           16.37            228         0      Not Applicable
  03/13/2026 12 PM PDT           16.37            228         0      Not Applicable
  03/13/2026 01 PM PDT           16.37            228         0      Not Applicable
  03/13/2026 02 PM PDT           16.37            228         0      Not Applicable
  03/13/2026 03 PM PDT           16.36            226         -      Not Applicable
  03/13/2026 04 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 05 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 06 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 07 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 08 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 09 PM PDT           16.36            226         0      Not Applicable
  03/13/2026 10 PM PDT           16.35            224         -      Not Applicable
  03/13/2026 11 PM PDT           16.35            224         0      Not Applicable
  03/14/2026 12 AM PDT           16.35            224         0      Not Applicable
  03/14/2026 01 AM PDT           16.35            224         0      Not Applicable
  03/14/2026 02 AM PDT           16.35            224         0      Not Applicable
  03/14/2026 03 AM PDT           16.34            221         -      Not Applicable
  03/14/2026 04 AM PDT           16.34            221         0      Not Applicable
  03/14/2026 05 AM PDT           16.34            221         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.