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

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MERCED RIVER - STEVINSON (STVC1)
Latitude: 37.37º NLongitude: 120.93º WElevation: 82 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 09 2025 at 7:48 AM PDTNext Issuance: Jul 10 2025 at 9:00 AM PDT
Action/Monitor: 68.0 FeetMinor Flood: 71.0 FeetModerate Flood: 73.8 FeetMajor Flood: 75.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Stevinson (STVC1)
#
# File Generation Time:  07/09/2025 at 07:48 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/07/2025 at 06:00 AM PDT
# Maximum Observed Stage:                       56.12 Feet
# Maximum Observed Flow:                        77 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/14/2025 at 05:00 AM PDT
# Maximum Forecast Stage:                       55.85 Feet
# Maximum Forecast Flow:                        55 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/04/2025 07 AM PDT           55.35             21                        Normal
  07/04/2025 08 AM PDT           55.39             23         +              Normal
  07/04/2025 09 AM PDT           55.39             23         0              Normal
  07/04/2025 10 AM PDT           55.43             26         +              Normal
  07/04/2025 11 AM PDT           55.39             23         -              Normal
  07/04/2025 12 PM PDT           55.37             22         -              Normal
  07/04/2025 01 PM PDT           55.37             22         0              Normal
  07/04/2025 02 PM PDT           55.35             21         -              Normal
  07/04/2025 03 PM PDT           55.30             18         -              Normal
  07/04/2025 04 PM PDT           55.29             17         -              Normal
  07/04/2025 05 PM PDT           55.26             15         -              Normal
  07/04/2025 06 PM PDT           55.26             15         0              Normal
  07/04/2025 07 PM PDT           55.23             14         -              Normal
  07/04/2025 08 PM PDT           55.23             14         0              Normal
  07/04/2025 09 PM PDT           55.20             12         -              Normal
  07/04/2025 10 PM PDT           55.20             12         0              Normal
  07/04/2025 11 PM PDT           55.20             12         0              Normal
  07/05/2025 12 AM PDT           55.20             12         0              Normal
  07/05/2025 01 AM PDT           55.23             14         +              Normal
  07/05/2025 02 AM PDT           55.23             14         0              Normal
  07/05/2025 03 AM PDT           55.25             15         +              Normal
  07/05/2025 04 AM PDT           55.25             15         0              Normal
  07/05/2025 05 AM PDT           55.26             15         +              Normal
  07/05/2025 06 AM PDT           55.26             15         0              Normal
  07/05/2025 07 AM PDT           55.27             16         +              Normal
  07/05/2025 08 AM PDT           55.29             17         +              Normal
  07/05/2025 09 AM PDT           55.30             18         +              Normal
  07/05/2025 10 AM PDT           55.35             21         +              Normal
  07/05/2025 11 AM PDT           55.37             22         +              Normal
  07/05/2025 12 PM PDT           55.44             26         +              Normal
  07/05/2025 01 PM PDT           55.50             30         +              Normal
  07/05/2025 02 PM PDT           55.57             35         +              Normal
  07/05/2025 03 PM PDT           55.61             37         +              Normal
  07/05/2025 04 PM PDT           55.64             39         +              Normal
  07/05/2025 05 PM PDT           55.69             43         +              Normal
  07/05/2025 06 PM PDT           55.74             47         +              Normal
  07/05/2025 07 PM PDT           55.77             49         +              Normal
  07/05/2025 08 PM PDT           55.79             50         +              Normal
  07/05/2025 09 PM PDT           55.85             55         +              Normal
  07/05/2025 10 PM PDT           55.86             56         +              Normal
  07/05/2025 11 PM PDT           55.88             57         +              Normal
  07/06/2025 12 AM PDT           55.89             58         +              Normal
  07/06/2025 01 AM PDT           55.90             59         +              Normal
  07/06/2025 02 AM PDT           55.93             61         +              Normal
  07/06/2025 03 AM PDT           55.95             63         +              Normal
  07/06/2025 04 AM PDT           55.96             63         +              Normal
  07/06/2025 05 AM PDT           55.96             63         0              Normal
  07/06/2025 06 AM PDT           55.94             62         -              Normal
  07/06/2025 07 AM PDT           55.90             59         -              Normal
  07/06/2025 08 AM PDT           55.89             58         -              Normal
  07/06/2025 09 AM PDT           55.92             60         +              Normal
  07/06/2025 10 AM PDT           55.95             63         +              Normal
  07/06/2025 11 AM PDT           56.01             67         +              Normal
  07/06/2025 12 PM PDT           55.97             64         -              Normal
  07/06/2025 01 PM PDT           55.94             62         -              Normal
  07/06/2025 02 PM PDT           55.92             60         -              Normal
  07/06/2025 03 PM PDT           55.93             61         +              Normal
  07/06/2025 04 PM PDT           55.93             61         0              Normal
  07/06/2025 05 PM PDT           55.97             64         +              Normal
  07/06/2025 06 PM PDT           55.99             66         +              Normal
  07/06/2025 07 PM PDT           56.00             67         +              Normal
  07/06/2025 08 PM PDT           56.02             68         +              Normal
  07/06/2025 09 PM PDT           56.02             68         0              Normal
  07/06/2025 10 PM PDT           56.02             68         0              Normal
  07/06/2025 11 PM PDT           56.05             71         +              Normal
  07/07/2025 12 AM PDT           56.06             72         +              Normal
  07/07/2025 01 AM PDT           56.06             72         0              Normal
  07/07/2025 02 AM PDT           56.08             73         +              Normal
  07/07/2025 03 AM PDT           56.10             75         +              Normal
  07/07/2025 04 AM PDT           56.11             76         +              Normal
  07/07/2025 05 AM PDT           56.12             77         +              Normal
  07/07/2025 06 AM PDT           56.12             77         0              Normal
  07/07/2025 07 AM PDT           56.10             75         -              Normal
  07/07/2025 08 AM PDT           56.06             72         -              Normal
  07/07/2025 09 AM PDT           56.03             69         -              Normal
  07/07/2025 10 AM PDT           56.03             69         0              Normal
  07/07/2025 11 AM PDT           56.02             68         -              Normal
  07/07/2025 12 PM PDT           56.02             68         0              Normal
  07/07/2025 01 PM PDT           56.03             69         +              Normal
  07/07/2025 02 PM PDT           56.03             69         0              Normal
  07/07/2025 03 PM PDT           56.03             69         0              Normal
  07/07/2025 04 PM PDT           56.02             68         -              Normal
  07/07/2025 05 PM PDT           56.02             68         0              Normal
  07/07/2025 06 PM PDT           56.01             67         -              Normal
  07/07/2025 07 PM PDT           56.00             67         -              Normal
  07/07/2025 08 PM PDT           56.01             67         +              Normal
  07/07/2025 09 PM PDT           56.02             68         +              Normal
  07/07/2025 10 PM PDT           56.03             69         +              Normal
  07/07/2025 11 PM PDT           56.01             67         -              Normal
  07/08/2025 12 AM PDT           56.00             67         -              Normal
  07/08/2025 01 AM PDT           55.98             65         -              Normal
  07/08/2025 02 AM PDT           55.97             64         -              Normal
  07/08/2025 03 AM PDT           55.98             65         +              Normal
  07/08/2025 04 AM PDT           55.96             63         -              Normal
  07/08/2025 05 AM PDT           55.95             63         -              Normal
  07/08/2025 06 AM PDT           55.93             61         -              Normal
  07/08/2025 07 AM PDT           55.90             59         -              Normal
  07/08/2025 08 AM PDT           55.83             53         -              Normal
  07/08/2025 09 AM PDT           55.78             50         -              Normal
  07/08/2025 10 AM PDT           55.71             44         -              Normal
  07/08/2025 11 AM PDT           55.65             40         -              Normal
  07/08/2025 12 PM PDT           55.61             37         -              Normal
  07/08/2025 01 PM PDT           55.56             34         -              Normal
  07/08/2025 02 PM PDT           55.53             32         -              Normal
  07/08/2025 03 PM PDT           55.52             31         -              Normal
  07/08/2025 04 PM PDT           55.52             31         0              Normal
  07/08/2025 05 PM PDT           55.45             27         -              Normal
  07/08/2025 06 PM PDT           55.41             24         -              Normal
  07/08/2025 07 PM PDT           55.36             21         -              Normal
  07/08/2025 08 PM PDT           55.33             19         -              Normal
  07/08/2025 09 PM PDT           55.30             18         -              Normal
  07/08/2025 10 PM PDT           55.27             16         -              Normal
  07/08/2025 11 PM PDT           55.23             14         -              Normal
  07/09/2025 12 AM PDT           55.23             14         0              Normal
  07/09/2025 01 AM PDT           55.27             16         +              Normal
  07/09/2025 02 AM PDT           55.29             17         +              Normal
  07/09/2025 03 AM PDT           55.30             18         +              Normal
  07/09/2025 04 AM PDT           55.32             19         +              Normal
  07/09/2025 05 AM PDT           55.35             21         +              Normal
  07/09/2025 06 AM PDT           55.39             23         +              Normal
  07/09/2025 07 AM PDT           55.40             24         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/09/2025 08 AM PDT           55.41             24                        Normal
  07/09/2025 09 AM PDT           55.44             26         +              Normal
  07/09/2025 10 AM PDT           55.47             28         +              Normal
  07/09/2025 11 AM PDT           55.49             29         +              Normal
  07/09/2025 12 PM PDT           55.52             31         +              Normal
  07/09/2025 01 PM PDT           55.54             33         +              Normal
  07/09/2025 02 PM PDT           55.57             35         +              Normal
  07/09/2025 03 PM PDT           55.59             36         +              Normal
  07/09/2025 04 PM PDT           55.60             37         +              Normal
  07/09/2025 05 PM PDT           55.62             38         +              Normal
  07/09/2025 06 PM PDT           55.62             38         0              Normal
  07/09/2025 07 PM PDT           55.63             39         +              Normal
  07/09/2025 08 PM PDT           55.64             39         +              Normal
  07/09/2025 09 PM PDT           55.65             40         +              Normal
  07/09/2025 10 PM PDT           55.66             41         +              Normal
  07/09/2025 11 PM PDT           55.67             42         +              Normal
  07/10/2025 12 AM PDT           55.68             42         +              Normal
  07/10/2025 01 AM PDT           55.69             43         +              Normal
  07/10/2025 02 AM PDT           55.69             43         0              Normal
  07/10/2025 03 AM PDT           55.70             44         +              Normal
  07/10/2025 04 AM PDT           55.70             44         0              Normal
  07/10/2025 05 AM PDT           55.71             44         +              Normal
  07/10/2025 06 AM PDT           55.71             44         0              Normal
  07/10/2025 07 AM PDT           55.72             45         +              Normal
  07/10/2025 08 AM PDT           55.73             46         +              Normal
  07/10/2025 09 AM PDT           55.73             46         0              Normal
  07/10/2025 10 AM PDT           55.74             47         +              Normal
  07/10/2025 11 AM PDT           55.74             47         0              Normal
  07/10/2025 12 PM PDT           55.74             47         0              Normal
  07/10/2025 01 PM PDT           55.75             47         +              Normal
  07/10/2025 02 PM PDT           55.75             47         0              Normal
  07/10/2025 03 PM PDT           55.75             47         0              Normal
  07/10/2025 04 PM PDT           55.76             48         +              Normal
  07/10/2025 05 PM PDT           55.76             48         0              Normal
  07/10/2025 06 PM PDT           55.76             48         0              Normal
  07/10/2025 07 PM PDT           55.76             48         0              Normal
  07/10/2025 08 PM PDT           55.77             49         +              Normal
  07/10/2025 09 PM PDT           55.77             49         0              Normal
  07/10/2025 10 PM PDT           55.77             49         0              Normal
  07/10/2025 11 PM PDT           55.77             49         0              Normal
  07/11/2025 12 AM PDT           55.77             49         0              Normal
  07/11/2025 01 AM PDT           55.78             50         +              Normal
  07/11/2025 02 AM PDT           55.78             50         0              Normal
  07/11/2025 03 AM PDT           55.78             50         0              Normal
  07/11/2025 04 AM PDT           55.78             50         0              Normal
  07/11/2025 05 AM PDT           55.78             50         0              Normal
  07/11/2025 06 AM PDT           55.78             50         0              Normal
  07/11/2025 07 AM PDT           55.78             50         0              Normal
  07/11/2025 08 AM PDT           55.79             50         +              Normal
  07/11/2025 09 AM PDT           55.79             50         0              Normal
  07/11/2025 10 AM PDT           55.79             50         0              Normal
  07/11/2025 11 AM PDT           55.79             50         0              Normal
  07/11/2025 12 PM PDT           55.79             50         0              Normal
  07/11/2025 01 PM PDT           55.79             50         0              Normal
  07/11/2025 02 PM PDT           55.79             50         0              Normal
  07/11/2025 03 PM PDT           55.79             50         0              Normal
  07/11/2025 04 PM PDT           55.80             51         +              Normal
  07/11/2025 05 PM PDT           55.80             51         0              Normal
  07/11/2025 06 PM PDT           55.80             51         0              Normal
  07/11/2025 07 PM PDT           55.80             51         0              Normal
  07/11/2025 08 PM PDT           55.80             51         0              Normal
  07/11/2025 09 PM PDT           55.81             52         +              Normal
  07/11/2025 10 PM PDT           55.81             52         0              Normal
  07/11/2025 11 PM PDT           55.81             52         0              Normal
  07/12/2025 12 AM PDT           55.81             52         0              Normal
  07/12/2025 01 AM PDT           55.81             52         0              Normal
  07/12/2025 02 AM PDT           55.81             52         0              Normal
  07/12/2025 03 AM PDT           55.81             52         0              Normal
  07/12/2025 04 AM PDT           55.82             53         +              Normal
  07/12/2025 05 AM PDT           55.82             53         0              Normal
  07/12/2025 06 AM PDT           55.82             53         0              Normal
  07/12/2025 07 AM PDT           55.82             53         0              Normal
  07/12/2025 08 AM PDT           55.82             53         0              Normal
  07/12/2025 09 AM PDT           55.82             53         0              Normal
  07/12/2025 10 AM PDT           55.82             53         0              Normal
  07/12/2025 11 AM PDT           55.82             53         0              Normal
  07/12/2025 12 PM PDT           55.82             53         0              Normal
  07/12/2025 01 PM PDT           55.82             53         0              Normal
  07/12/2025 02 PM PDT           55.82             53         0              Normal
  07/12/2025 03 PM PDT           55.82             53         0              Normal
  07/12/2025 04 PM PDT           55.82             53         0              Normal
  07/12/2025 05 PM PDT           55.83             53         +              Normal
  07/12/2025 06 PM PDT           55.83             53         0              Normal
  07/12/2025 07 PM PDT           55.83             53         0              Normal
  07/12/2025 08 PM PDT           55.83             53         0              Normal
  07/12/2025 09 PM PDT           55.83             53         0              Normal
  07/12/2025 10 PM PDT           55.83             53         0              Normal
  07/12/2025 11 PM PDT           55.83             53         0              Normal
  07/13/2025 12 AM PDT           55.83             53         0              Normal
  07/13/2025 01 AM PDT           55.83             53         0              Normal
  07/13/2025 02 AM PDT           55.83             53         0              Normal
  07/13/2025 03 AM PDT           55.83             53         0              Normal
  07/13/2025 04 AM PDT           55.83             53         0              Normal
  07/13/2025 05 AM PDT           55.83             53         0              Normal
  07/13/2025 06 AM PDT           55.83             53         0              Normal
  07/13/2025 07 AM PDT           55.83             53         0              Normal
  07/13/2025 08 AM PDT           55.83             53         0              Normal
  07/13/2025 09 AM PDT           55.83             53         0              Normal
  07/13/2025 10 AM PDT           55.84             54         +              Normal
  07/13/2025 11 AM PDT           55.84             54         0              Normal
  07/13/2025 12 PM PDT           55.84             54         0              Normal
  07/13/2025 01 PM PDT           55.84             54         0              Normal
  07/13/2025 02 PM PDT           55.84             54         0              Normal
  07/13/2025 03 PM PDT           55.84             54         0              Normal
  07/13/2025 04 PM PDT           55.84             54         0              Normal
  07/13/2025 05 PM PDT           55.84             54         0              Normal
  07/13/2025 06 PM PDT           55.84             54         0              Normal
  07/13/2025 07 PM PDT           55.84             54         0              Normal
  07/13/2025 08 PM PDT           55.84             54         0              Normal
  07/13/2025 09 PM PDT           55.84             54         0              Normal
  07/13/2025 10 PM PDT           55.84             54         0              Normal
  07/13/2025 11 PM PDT           55.84             54         0              Normal
  07/14/2025 12 AM PDT           55.84             54         0              Normal
  07/14/2025 01 AM PDT           55.84             54         0              Normal
  07/14/2025 02 AM PDT           55.84             54         0              Normal
  07/14/2025 03 AM PDT           55.84             54         0              Normal
  07/14/2025 04 AM PDT           55.84             54         0              Normal
  07/14/2025 05 AM PDT           55.85             55         +              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.