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 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 03 2025 at 8:13 AM PDTNext Issuance: Jul 04 2025 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: San Joaquin River - Stevinson (SSTC1)
#
# File Generation Time:  07/03/2025 at 08:17 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/28/2025 at 11:00 AM PDT
# Maximum Observed Stage:                       60.94 Feet
# Maximum Observed Flow:                        39 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/08/2025 at 05:00 AM PDT
# Maximum Forecast Stage:                       61.77 Feet
# Maximum Forecast Flow:                        78 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/28/2025 08 AM PDT           60.92             38                Not Applicable
  06/28/2025 09 AM PDT           60.92             38         0      Not Applicable
  06/28/2025 10 AM PDT           60.92             38         0      Not Applicable
  06/28/2025 11 AM PDT           60.94             39         +      Not Applicable
  06/28/2025 12 PM PDT           60.92             38         -      Not Applicable
  06/28/2025 01 PM PDT           60.92             38         0      Not Applicable
  06/28/2025 02 PM PDT           60.92             38         0      Not Applicable
  06/28/2025 03 PM PDT           60.89             37         -      Not Applicable
  06/28/2025 04 PM PDT           60.92             38         +      Not Applicable
  06/28/2025 05 PM PDT           60.89             37         -      Not Applicable
  06/28/2025 06 PM PDT           60.89             37         0      Not Applicable
  06/28/2025 07 PM PDT           60.89             37         0      Not Applicable
  06/28/2025 08 PM PDT           60.89             37         0      Not Applicable
  06/28/2025 09 PM PDT           60.89             37         0      Not Applicable
  06/28/2025 10 PM PDT           60.89             37         0      Not Applicable
  06/28/2025 11 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 12 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 01 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 02 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 03 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 04 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 05 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 06 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 07 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 08 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 09 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 10 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 11 AM PDT           60.89             37         0      Not Applicable
  06/29/2025 12 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 01 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 02 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 03 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 04 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 05 PM PDT           60.89             37         0      Not Applicable
  06/29/2025 06 PM PDT           60.86             36         -      Not Applicable
  06/29/2025 07 PM PDT           60.86             36         0      Not Applicable
  06/29/2025 08 PM PDT           60.86             36         0      Not Applicable
  06/29/2025 09 PM PDT           60.86             36         0      Not Applicable
  06/29/2025 10 PM PDT           60.86             36         0      Not Applicable
  06/29/2025 11 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 12 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 01 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 02 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 03 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 04 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 05 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 06 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 07 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 08 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 09 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 10 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 11 AM PDT           60.86             36         0      Not Applicable
  06/30/2025 12 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 01 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 02 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 03 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 04 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 05 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 06 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 07 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 08 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 09 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 10 PM PDT           60.86             36         0      Not Applicable
  06/30/2025 11 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 12 AM PDT           60.86             36         0      Not Applicable
  07/01/2025 01 AM PDT           60.86             36         0      Not Applicable
  07/01/2025 02 AM PDT           60.86             36         0      Not Applicable
  07/01/2025 03 AM PDT           60.86             36         0      Not Applicable
  07/01/2025 04 AM PDT           60.86             36         0      Not Applicable
  07/01/2025 05 AM PDT           60.89             37         +      Not Applicable
  07/01/2025 06 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 07 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 08 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 09 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 10 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 11 AM PDT           60.89             37         0      Not Applicable
  07/01/2025 12 PM PDT           60.89             37         0      Not Applicable
  07/01/2025 01 PM PDT           60.89             37         0      Not Applicable
  07/01/2025 02 PM PDT           60.89             37         0      Not Applicable
  07/01/2025 03 PM PDT           60.89             37         0      Not Applicable
  07/01/2025 04 PM PDT           60.86             36         -      Not Applicable
  07/01/2025 05 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 06 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 07 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 08 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 09 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 10 PM PDT           60.86             36         0      Not Applicable
  07/01/2025 11 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 12 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 01 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 02 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 03 AM PDT           60.84             35         -      Not Applicable
  07/02/2025 04 AM PDT           60.84             35         0      Not Applicable
  07/02/2025 05 AM PDT           60.86             36         +      Not Applicable
  07/02/2025 06 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 07 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 08 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 09 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 10 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 11 AM PDT           60.86             36         0      Not Applicable
  07/02/2025 12 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 01 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 02 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 03 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 04 PM PDT           60.86             36         0      Not Applicable
  07/02/2025 05 PM PDT           60.84             35         -      Not Applicable
  07/02/2025 06 PM PDT           60.84             35         0      Not Applicable
  07/02/2025 07 PM PDT           60.84             35         0      Not Applicable
  07/02/2025 08 PM PDT           60.84             35         0      Not Applicable
  07/02/2025 09 PM PDT           60.84             35         0      Not Applicable
  07/02/2025 10 PM PDT           60.84             35         0      Not Applicable
  07/02/2025 11 PM PDT           60.84             35         0      Not Applicable
  07/03/2025 12 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 01 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 02 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 03 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 04 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 05 AM PDT           60.84             35         0      Not Applicable
  07/03/2025 06 AM PDT           60.88             36         +      Not Applicable
  07/03/2025 07 AM PDT           60.91             37         +      Not Applicable
  07/03/2025 08 AM PDT           60.91             37         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/03/2025 09 AM PDT           60.91             37                Not Applicable
  07/03/2025 10 AM PDT           60.88             36         -      Not Applicable
  07/03/2025 11 AM PDT           60.84             35         -      Not Applicable
  07/03/2025 12 PM PDT           60.80             33         -      Not Applicable
  07/03/2025 01 PM PDT           60.74             31         -      Not Applicable
  07/03/2025 02 PM PDT           60.69             29         -      Not Applicable
  07/03/2025 03 PM PDT           60.63             27         -      Not Applicable
  07/03/2025 04 PM PDT           60.57             25         -      Not Applicable
  07/03/2025 05 PM PDT           60.51             23         -      Not Applicable
  07/03/2025 06 PM PDT           60.50             23         -      Not Applicable
  07/03/2025 07 PM PDT           60.50             23         0      Not Applicable
  07/03/2025 08 PM PDT           60.50             23         0      Not Applicable
  07/03/2025 09 PM PDT           60.50             23         0      Not Applicable
  07/03/2025 10 PM PDT           60.50             23         0      Not Applicable
  07/03/2025 11 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 12 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 01 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 02 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 03 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 04 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 05 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 06 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 07 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 08 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 09 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 10 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 11 AM PDT           60.50             23         0      Not Applicable
  07/04/2025 12 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 01 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 02 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 03 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 04 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 05 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 06 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 07 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 08 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 09 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 10 PM PDT           60.50             23         0      Not Applicable
  07/04/2025 11 PM PDT           60.50             23         0      Not Applicable
  07/05/2025 12 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 01 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 02 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 03 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 04 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 05 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 06 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 07 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 08 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 09 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 10 AM PDT           60.50             23         0      Not Applicable
  07/05/2025 11 AM PDT           60.52             24         +      Not Applicable
  07/05/2025 12 PM PDT           60.55             25         +      Not Applicable
  07/05/2025 01 PM PDT           60.58             26         +      Not Applicable
  07/05/2025 02 PM PDT           60.61             27         +      Not Applicable
  07/05/2025 03 PM PDT           60.64             28         +      Not Applicable
  07/05/2025 04 PM PDT           60.67             29         +      Not Applicable
  07/05/2025 05 PM PDT           60.70             30         +      Not Applicable
  07/05/2025 06 PM PDT           60.72             31         +      Not Applicable
  07/05/2025 07 PM PDT           60.75             32         +      Not Applicable
  07/05/2025 08 PM PDT           60.80             33         +      Not Applicable
  07/05/2025 09 PM PDT           60.83             34         +      Not Applicable
  07/05/2025 10 PM PDT           60.85             35         +      Not Applicable
  07/05/2025 11 PM PDT           60.88             36         +      Not Applicable
  07/06/2025 12 AM PDT           60.91             37         +      Not Applicable
  07/06/2025 01 AM PDT           60.94             39         +      Not Applicable
  07/06/2025 02 AM PDT           60.97             40         +      Not Applicable
  07/06/2025 03 AM PDT           61.00             41         +      Not Applicable
  07/06/2025 04 AM PDT           61.02             42         +      Not Applicable
  07/06/2025 05 AM PDT           61.05             43         +      Not Applicable
  07/06/2025 06 AM PDT           61.08             44         +      Not Applicable
  07/06/2025 07 AM PDT           61.10             45         +      Not Applicable
  07/06/2025 08 AM PDT           61.14             46         +      Not Applicable
  07/06/2025 09 AM PDT           61.17             47         +      Not Applicable
  07/06/2025 10 AM PDT           61.19             48         +      Not Applicable
  07/06/2025 11 AM PDT           61.22             49         +      Not Applicable
  07/06/2025 12 PM PDT           61.24             50         +      Not Applicable
  07/06/2025 01 PM PDT           61.27             51         +      Not Applicable
  07/06/2025 02 PM PDT           61.29             52         +      Not Applicable
  07/06/2025 03 PM PDT           61.32             53         +      Not Applicable
  07/06/2025 04 PM PDT           61.33             54         +      Not Applicable
  07/06/2025 05 PM PDT           61.35             55         +      Not Applicable
  07/06/2025 06 PM PDT           61.37             56         +      Not Applicable
  07/06/2025 07 PM PDT           61.39             57         +      Not Applicable
  07/06/2025 08 PM PDT           61.41             58         +      Not Applicable
  07/06/2025 09 PM PDT           61.42             58         +      Not Applicable
  07/06/2025 10 PM PDT           61.44             59         +      Not Applicable
  07/06/2025 11 PM PDT           61.46             60         +      Not Applicable
  07/07/2025 12 AM PDT           61.47             61         +      Not Applicable
  07/07/2025 01 AM PDT           61.49             62         +      Not Applicable
  07/07/2025 02 AM PDT           61.49             62         0      Not Applicable
  07/07/2025 03 AM PDT           61.51             63         +      Not Applicable
  07/07/2025 04 AM PDT           61.52             64         +      Not Applicable
  07/07/2025 05 AM PDT           61.54             65         +      Not Applicable
  07/07/2025 06 AM PDT           61.55             65         +      Not Applicable
  07/07/2025 07 AM PDT           61.57             66         +      Not Applicable
  07/07/2025 08 AM PDT           61.58             67         +      Not Applicable
  07/07/2025 09 AM PDT           61.59             68         +      Not Applicable
  07/07/2025 10 AM PDT           61.60             68         +      Not Applicable
  07/07/2025 11 AM PDT           61.61             69         +      Not Applicable
  07/07/2025 12 PM PDT           61.62             69         +      Not Applicable
  07/07/2025 01 PM PDT           61.64             70         +      Not Applicable
  07/07/2025 02 PM PDT           61.65             71         +      Not Applicable
  07/07/2025 03 PM PDT           61.65             71         0      Not Applicable
  07/07/2025 04 PM PDT           61.66             72         +      Not Applicable
  07/07/2025 05 PM PDT           61.67             72         +      Not Applicable
  07/07/2025 06 PM PDT           61.68             73         +      Not Applicable
  07/07/2025 07 PM PDT           61.70             74         +      Not Applicable
  07/07/2025 08 PM PDT           61.70             74         0      Not Applicable
  07/07/2025 09 PM PDT           61.71             75         +      Not Applicable
  07/07/2025 10 PM PDT           61.72             75         +      Not Applicable
  07/07/2025 11 PM PDT           61.73             76         +      Not Applicable
  07/08/2025 12 AM PDT           61.74             76         +      Not Applicable
  07/08/2025 01 AM PDT           61.75             77         +      Not Applicable
  07/08/2025 02 AM PDT           61.75             77         0      Not Applicable
  07/08/2025 03 AM PDT           61.76             78         +      Not Applicable
  07/08/2025 04 AM PDT           61.76             78         0      Not Applicable
  07/08/2025 05 AM PDT           61.77             78         +      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.