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

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SAN JOAQUIN RIVER - STEVINSON (SSTC1)
Latitude: 37.29º NLongitude: 120.85º WElevation: 82 FeetForecast Type: Unofficial Location
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Oct 09 2026 at 7:27 AM PDTNext Issuance: Oct 10 2026 at 9:00 AM PDT
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Stevinson (SSTC1)
#
# File Generation Time:  10/09/2026 at 07:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/08/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       61.60 Feet
# Maximum Observed Flow:                        64 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/13/2026 at 03:00 PM PDT
# Maximum Forecast Stage:                       61.98 Feet
# Maximum Forecast Flow:                        87 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/04/2026 07 AM PDT           60.74             29                Not Applicable
  10/04/2026 08 AM PDT           60.74             29         0      Not Applicable
  10/04/2026 09 AM PDT           60.74             29         0      Not Applicable
  10/04/2026 10 AM PDT           60.74             29         0      Not Applicable
  10/04/2026 11 AM PDT           60.74             29         0      Not Applicable
  10/04/2026 12 PM PDT           60.77             30         +      Not Applicable
  10/04/2026 01 PM PDT           60.77             30         0      Not Applicable
  10/04/2026 02 PM PDT           60.79             31         +      Not Applicable
  10/04/2026 03 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 04 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 05 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 06 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 07 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 08 PM PDT           60.79             31         0      Not Applicable
  10/04/2026 09 PM PDT           60.82             32         +      Not Applicable
  10/04/2026 10 PM PDT           60.82             32         0      Not Applicable
  10/04/2026 11 PM PDT           60.85             33         +      Not Applicable
  10/05/2026 12 AM PDT           60.85             33         0      Not Applicable
  10/05/2026 01 AM PDT           60.85             33         0      Not Applicable
  10/05/2026 02 AM PDT           60.85             33         0      Not Applicable
  10/05/2026 03 AM PDT           60.88             34         +      Not Applicable
  10/05/2026 04 AM PDT           60.88             34         0      Not Applicable
  10/05/2026 05 AM PDT           60.91             35         +      Not Applicable
  10/05/2026 06 AM PDT           60.93             36         +      Not Applicable
  10/05/2026 07 AM PDT           60.93             36         0      Not Applicable
  10/05/2026 08 AM PDT           60.93             36         0      Not Applicable
  10/05/2026 09 AM PDT           60.96             37         +      Not Applicable
  10/05/2026 10 AM PDT           61.07             41         +      Not Applicable
  10/05/2026 11 AM PDT           61.07             41         0      Not Applicable
  10/05/2026 12 PM PDT           61.09             42         +      Not Applicable
  10/05/2026 01 PM PDT           61.09             42         0      Not Applicable
  10/05/2026 02 PM PDT           61.09             42         0      Not Applicable
  10/05/2026 03 PM PDT           61.12             43         +      Not Applicable
  10/05/2026 04 PM PDT           61.12             43         0      Not Applicable
  10/05/2026 05 PM PDT           61.12             43         0      Not Applicable
  10/05/2026 06 PM PDT           61.15             44         +      Not Applicable
  10/05/2026 07 PM PDT           61.15             44         0      Not Applicable
  10/05/2026 08 PM PDT           61.19             45         +      Not Applicable
  10/05/2026 09 PM PDT           61.19             45         0      Not Applicable
  10/05/2026 10 PM PDT           61.19             45         0      Not Applicable
  10/05/2026 11 PM PDT           61.19             45         0      Not Applicable
  10/06/2026 12 AM PDT           61.21             46         +      Not Applicable
  10/06/2026 01 AM PDT           61.21             46         0      Not Applicable
  10/06/2026 02 AM PDT           61.24             47         +      Not Applicable
  10/06/2026 03 AM PDT           61.24             47         0      Not Applicable
  10/06/2026 04 AM PDT           61.24             47         0      Not Applicable
  10/06/2026 05 AM PDT           61.24             47         0      Not Applicable
  10/06/2026 06 AM PDT           61.24             47         0      Not Applicable
  10/06/2026 07 AM PDT           61.26             48         +      Not Applicable
  10/06/2026 08 AM PDT           61.26             48         0      Not Applicable
  10/06/2026 09 AM PDT           61.26             48         0      Not Applicable
  10/06/2026 10 AM PDT           61.26             48         0      Not Applicable
  10/06/2026 11 AM PDT           61.29             49         +      Not Applicable
  10/06/2026 12 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 01 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 02 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 03 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 04 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 05 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 06 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 07 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 08 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 09 PM PDT           61.29             49         0      Not Applicable
  10/06/2026 10 PM PDT           61.31             50         +      Not Applicable
  10/06/2026 11 PM PDT           61.31             50         0      Not Applicable
  10/07/2026 12 AM PDT           61.31             50         0      Not Applicable
  10/07/2026 01 AM PDT           61.34             51         +      Not Applicable
  10/07/2026 02 AM PDT           61.34             51         0      Not Applicable
  10/07/2026 03 AM PDT           61.34             51         0      Not Applicable
  10/07/2026 04 AM PDT           61.34             51         0      Not Applicable
  10/07/2026 05 AM PDT           61.34             51         0      Not Applicable
  10/07/2026 06 AM PDT           61.34             51         0      Not Applicable
  10/07/2026 07 AM PDT           61.36             52         +      Not Applicable
  10/07/2026 08 AM PDT           61.36             52         0      Not Applicable
  10/07/2026 09 AM PDT           61.36             52         0      Not Applicable
  10/07/2026 10 AM PDT           61.39             53         +      Not Applicable
  10/07/2026 11 AM PDT           61.39             53         0      Not Applicable
  10/07/2026 12 PM PDT           61.39             53         0      Not Applicable
  10/07/2026 01 PM PDT           61.39             53         0      Not Applicable
  10/07/2026 02 PM PDT           61.39             53         0      Not Applicable
  10/07/2026 03 PM PDT           61.41             54         +      Not Applicable
  10/07/2026 04 PM PDT           61.41             54         0      Not Applicable
  10/07/2026 05 PM PDT           61.41             54         0      Not Applicable
  10/07/2026 06 PM PDT           61.41             54         0      Not Applicable
  10/07/2026 07 PM PDT           61.43             55         +      Not Applicable
  10/07/2026 08 PM PDT           61.43             55         0      Not Applicable
  10/07/2026 09 PM PDT           61.45             56         +      Not Applicable
  10/07/2026 10 PM PDT           61.45             56         0      Not Applicable
  10/07/2026 11 PM PDT           61.45             56         0      Not Applicable
  10/08/2026 12 AM PDT           61.47             57         +      Not Applicable
  10/08/2026 01 AM PDT           61.49             58         +      Not Applicable
  10/08/2026 02 AM PDT           61.49             58         0      Not Applicable
  10/08/2026 03 AM PDT           61.51             59         +      Not Applicable
  10/08/2026 04 AM PDT           61.51             59         0      Not Applicable
  10/08/2026 05 AM PDT           61.53             60         +      Not Applicable
  10/08/2026 06 AM PDT           61.53             60         0      Not Applicable
  10/08/2026 07 AM PDT           61.55             61         +      Not Applicable
  10/08/2026 08 AM PDT           61.55             61         0      Not Applicable
  10/08/2026 09 AM PDT           61.56             62         +      Not Applicable
  10/08/2026 10 AM PDT           61.58             63         +      Not Applicable
  10/08/2026 11 AM PDT           61.58             63         0      Not Applicable
  10/08/2026 12 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 01 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 02 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 03 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 04 PM PDT           61.60             64         +      Not Applicable
  10/08/2026 05 PM PDT           61.58             63         -      Not Applicable
  10/08/2026 06 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 07 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 08 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 09 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 10 PM PDT           61.58             63         0      Not Applicable
  10/08/2026 11 PM PDT           61.58             63         0      Not Applicable
  10/09/2026 12 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 01 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 02 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 03 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 04 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 05 AM PDT           61.58             63         0      Not Applicable
  10/09/2026 06 AM PDT           61.57             63         -      Not Applicable
  10/09/2026 07 AM PDT           61.58             63         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/09/2026 08 AM PDT           61.58             63                Not Applicable
  10/09/2026 09 AM PDT           61.59             64         +      Not Applicable
  10/09/2026 10 AM PDT           61.59             64         0      Not Applicable
  10/09/2026 11 AM PDT           61.60             64         +      Not Applicable
  10/09/2026 12 PM PDT           61.61             65         +      Not Applicable
  10/09/2026 01 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 02 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 03 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 04 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 05 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 06 PM PDT           61.61             65         0      Not Applicable
  10/09/2026 07 PM PDT           61.62             65         +      Not Applicable
  10/09/2026 08 PM PDT           61.62             65         0      Not Applicable
  10/09/2026 09 PM PDT           61.62             65         0      Not Applicable
  10/09/2026 10 PM PDT           61.62             65         0      Not Applicable
  10/09/2026 11 PM PDT           61.63             66         +      Not Applicable
  10/10/2026 12 AM PDT           61.63             66         0      Not Applicable
  10/10/2026 01 AM PDT           61.64             66         +      Not Applicable
  10/10/2026 02 AM PDT           61.64             66         0      Not Applicable
  10/10/2026 03 AM PDT           61.65             67         +      Not Applicable
  10/10/2026 04 AM PDT           61.65             67         0      Not Applicable
  10/10/2026 05 AM PDT           61.65             67         0      Not Applicable
  10/10/2026 06 AM PDT           61.66             68         +      Not Applicable
  10/10/2026 07 AM PDT           61.67             68         +      Not Applicable
  10/10/2026 08 AM PDT           61.68             69         +      Not Applicable
  10/10/2026 09 AM PDT           61.69             69         +      Not Applicable
  10/10/2026 10 AM PDT           61.70             70         +      Not Applicable
  10/10/2026 11 AM PDT           61.71             70         +      Not Applicable
  10/10/2026 12 PM PDT           61.72             71         +      Not Applicable
  10/10/2026 01 PM PDT           61.72             71         0      Not Applicable
  10/10/2026 02 PM PDT           61.73             72         +      Not Applicable
  10/10/2026 03 PM PDT           61.74             72         +      Not Applicable
  10/10/2026 04 PM PDT           61.74             72         0      Not Applicable
  10/10/2026 05 PM PDT           61.75             73         +      Not Applicable
  10/10/2026 06 PM PDT           61.76             73         +      Not Applicable
  10/10/2026 07 PM PDT           61.77             74         +      Not Applicable
  10/10/2026 08 PM PDT           61.77             74         0      Not Applicable
  10/10/2026 09 PM PDT           61.77             74         0      Not Applicable
  10/10/2026 10 PM PDT           61.78             75         +      Not Applicable
  10/10/2026 11 PM PDT           61.79             75         +      Not Applicable
  10/11/2026 12 AM PDT           61.80             76         +      Not Applicable
  10/11/2026 01 AM PDT           61.80             76         0      Not Applicable
  10/11/2026 02 AM PDT           61.81             76         +      Not Applicable
  10/11/2026 03 AM PDT           61.82             77         +      Not Applicable
  10/11/2026 04 AM PDT           61.82             77         0      Not Applicable
  10/11/2026 05 AM PDT           61.82             77         0      Not Applicable
  10/11/2026 06 AM PDT           61.83             78         +      Not Applicable
  10/11/2026 07 AM PDT           61.83             78         0      Not Applicable
  10/11/2026 08 AM PDT           61.84             78         +      Not Applicable
  10/11/2026 09 AM PDT           61.84             78         0      Not Applicable
  10/11/2026 10 AM PDT           61.85             79         +      Not Applicable
  10/11/2026 11 AM PDT           61.85             79         0      Not Applicable
  10/11/2026 12 PM PDT           61.86             79         +      Not Applicable
  10/11/2026 01 PM PDT           61.87             80         +      Not Applicable
  10/11/2026 02 PM PDT           61.87             80         0      Not Applicable
  10/11/2026 03 PM PDT           61.87             80         0      Not Applicable
  10/11/2026 04 PM PDT           61.87             80         0      Not Applicable
  10/11/2026 05 PM PDT           61.87             80         0      Not Applicable
  10/11/2026 06 PM PDT           61.88             81         +      Not Applicable
  10/11/2026 07 PM PDT           61.88             81         0      Not Applicable
  10/11/2026 08 PM PDT           61.89             81         +      Not Applicable
  10/11/2026 09 PM PDT           61.89             81         0      Not Applicable
  10/11/2026 10 PM PDT           61.90             82         +      Not Applicable
  10/11/2026 11 PM PDT           61.90             82         0      Not Applicable
  10/12/2026 12 AM PDT           61.90             82         0      Not Applicable
  10/12/2026 01 AM PDT           61.90             82         0      Not Applicable
  10/12/2026 02 AM PDT           61.90             82         0      Not Applicable
  10/12/2026 03 AM PDT           61.90             82         0      Not Applicable
  10/12/2026 04 AM PDT           61.91             83         +      Not Applicable
  10/12/2026 05 AM PDT           61.91             83         0      Not Applicable
  10/12/2026 06 AM PDT           61.91             83         0      Not Applicable
  10/12/2026 07 AM PDT           61.92             83         +      Not Applicable
  10/12/2026 08 AM PDT           61.92             83         0      Not Applicable
  10/12/2026 09 AM PDT           61.92             83         0      Not Applicable
  10/12/2026 10 AM PDT           61.92             83         0      Not Applicable
  10/12/2026 11 AM PDT           61.93             84         +      Not Applicable
  10/12/2026 12 PM PDT           61.93             84         0      Not Applicable
  10/12/2026 01 PM PDT           61.93             84         0      Not Applicable
  10/12/2026 02 PM PDT           61.94             84         +      Not Applicable
  10/12/2026 03 PM PDT           61.94             84         0      Not Applicable
  10/12/2026 04 PM PDT           61.94             84         0      Not Applicable
  10/12/2026 05 PM PDT           61.94             84         0      Not Applicable
  10/12/2026 06 PM PDT           61.95             85         +      Not Applicable
  10/12/2026 07 PM PDT           61.95             85         0      Not Applicable
  10/12/2026 08 PM PDT           61.95             85         0      Not Applicable
  10/12/2026 09 PM PDT           61.95             85         0      Not Applicable
  10/12/2026 10 PM PDT           61.95             85         0      Not Applicable
  10/12/2026 11 PM PDT           61.95             85         0      Not Applicable
  10/13/2026 12 AM PDT           61.95             85         0      Not Applicable
  10/13/2026 01 AM PDT           61.95             85         0      Not Applicable
  10/13/2026 02 AM PDT           61.95             85         0      Not Applicable
  10/13/2026 03 AM PDT           61.95             85         0      Not Applicable
  10/13/2026 04 AM PDT           61.96             86         +      Not Applicable
  10/13/2026 05 AM PDT           61.96             86         0      Not Applicable
  10/13/2026 06 AM PDT           61.96             86         0      Not Applicable
  10/13/2026 07 AM PDT           61.96             86         0      Not Applicable
  10/13/2026 08 AM PDT           61.96             86         0      Not Applicable
  10/13/2026 09 AM PDT           61.97             86         +      Not Applicable
  10/13/2026 10 AM PDT           61.97             86         0      Not Applicable
  10/13/2026 11 AM PDT           61.97             86         0      Not Applicable
  10/13/2026 12 PM PDT           61.97             86         0      Not Applicable
  10/13/2026 01 PM PDT           61.97             86         0      Not Applicable
  10/13/2026 02 PM PDT           61.97             86         0      Not Applicable
  10/13/2026 03 PM PDT           61.98             87         +      Not Applicable
  10/13/2026 04 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 05 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 06 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 07 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 08 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 09 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 10 PM PDT           61.98             87         0      Not Applicable
  10/13/2026 11 PM PDT           61.98             87         0      Not Applicable
  10/14/2026 12 AM PDT           61.98             87         0      Not Applicable
  10/14/2026 01 AM PDT           61.98             87         0      Not Applicable
  10/14/2026 02 AM PDT           61.98             87         0      Not Applicable
  10/14/2026 03 AM PDT           61.98             87         0      Not Applicable
  10/14/2026 04 AM PDT           61.98             87         0      Not Applicable
  10/14/2026 05 AM PDT           61.98             87         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.