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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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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: Jun 20 2025 at 11:22 AM PDTNext Issuance: Jun 21 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:  06/20/2025 at 11:22 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/16/2025 at 02:00 PM PDT
# Maximum Observed Stage:                       56.37 Feet
# Maximum Observed Flow:                        130 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/21/2025 at 05:00 AM PDT
# Maximum Forecast Stage:                       56.23 Feet
# Maximum Forecast Flow:                        116 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/15/2025 11 AM PDT           56.08            102                        Normal
  06/15/2025 12 PM PDT           56.16            109         +              Normal
  06/15/2025 01 PM PDT           56.23            116         +              Normal
  06/15/2025 02 PM PDT           56.25            118         +              Normal
  06/15/2025 03 PM PDT           56.26            119         +              Normal
  06/15/2025 04 PM PDT           56.24            117         -              Normal
  06/15/2025 05 PM PDT           56.23            116         -              Normal
  06/15/2025 06 PM PDT           56.24            117         +              Normal
  06/15/2025 07 PM PDT           56.22            115         -              Normal
  06/15/2025 08 PM PDT           56.23            116         +              Normal
  06/15/2025 09 PM PDT           56.27            120         +              Normal
  06/15/2025 10 PM PDT           56.32            125         +              Normal
  06/15/2025 11 PM PDT           56.30            123         -              Normal
  06/16/2025 12 AM PDT           56.31            124         +              Normal
  06/16/2025 01 AM PDT           56.32            125         +              Normal
  06/16/2025 02 AM PDT           56.32            125         0              Normal
  06/16/2025 03 AM PDT           56.33            126         +              Normal
  06/16/2025 04 AM PDT           56.34            127         +              Normal
  06/16/2025 05 AM PDT           56.34            127         0              Normal
  06/16/2025 06 AM PDT           56.35            128         +              Normal
  06/16/2025 07 AM PDT           56.35            128         0              Normal
  06/16/2025 08 AM PDT           56.35            128         0              Normal
  06/16/2025 09 AM PDT           56.36            129         +              Normal
  06/16/2025 10 AM PDT           56.36            129         0              Normal
  06/16/2025 11 AM PDT           56.36            129         0              Normal
  06/16/2025 12 PM PDT           56.37            130         +              Normal
  06/16/2025 01 PM PDT           56.37            130         0              Normal
  06/16/2025 02 PM PDT           56.37            130         0              Normal
  06/16/2025 03 PM PDT           56.36            129         -              Normal
  06/16/2025 04 PM PDT           56.36            129         0              Normal
  06/16/2025 05 PM PDT           56.36            129         0              Normal
  06/16/2025 06 PM PDT           56.35            128         -              Normal
  06/16/2025 07 PM PDT           56.35            128         0              Normal
  06/16/2025 08 PM PDT           56.34            127         -              Normal
  06/16/2025 09 PM PDT           56.34            127         0              Normal
  06/16/2025 10 PM PDT           56.33            126         -              Normal
  06/16/2025 11 PM PDT           56.32            125         -              Normal
  06/17/2025 12 AM PDT           56.31            124         -              Normal
  06/17/2025 01 AM PDT           56.31            124         0              Normal
  06/17/2025 02 AM PDT           56.30            123         -              Normal
  06/17/2025 03 AM PDT           56.29            122         -              Normal
  06/17/2025 04 AM PDT           56.28            121         -              Normal
  06/17/2025 05 AM PDT           56.27            120         -              Normal
  06/17/2025 06 AM PDT           56.26            119         -              Normal
  06/17/2025 07 AM PDT           56.25            118         -              Normal
  06/17/2025 08 AM PDT           56.24            117         -              Normal
  06/17/2025 09 AM PDT           56.23            116         -              Normal
  06/17/2025 10 AM PDT           56.22            115         -              Normal
  06/17/2025 11 AM PDT           56.21            114         -              Normal
  06/17/2025 12 PM PDT           56.20            113         -              Normal
  06/17/2025 01 PM PDT           56.19            112         -              Normal
  06/17/2025 02 PM PDT           56.18            111         -              Normal
  06/17/2025 03 PM PDT           56.17            110         -              Normal
  06/17/2025 04 PM PDT           56.16            109         -              Normal
  06/17/2025 05 PM PDT           56.15            108         -              Normal
  06/17/2025 06 PM PDT           56.14            107         -              Normal
  06/17/2025 07 PM PDT           56.13            106         -              Normal
  06/17/2025 08 PM PDT           56.10            104         -              Normal
  06/17/2025 09 PM PDT           56.09            103         -              Normal
  06/17/2025 10 PM PDT           56.08            102         -              Normal
  06/17/2025 11 PM PDT           56.07            101         -              Normal
  06/18/2025 12 AM PDT           56.06            100         -              Normal
  06/18/2025 01 AM PDT           56.05             99         -              Normal
  06/18/2025 02 AM PDT           56.04             98         -              Normal
  06/18/2025 03 AM PDT           56.03             97         -              Normal
  06/18/2025 04 AM PDT           56.02             96         -              Normal
  06/18/2025 05 AM PDT           56.01             95         -              Normal
  06/18/2025 06 AM PDT           56.00             94         -              Normal
  06/18/2025 07 AM PDT           55.98             93         -              Normal
  06/18/2025 08 AM PDT           55.96             91         -              Normal
  06/18/2025 09 AM PDT           55.95             90         -              Normal
  06/18/2025 10 AM PDT           55.94             89         -              Normal
  06/18/2025 11 AM PDT           55.93             88         -              Normal
  06/18/2025 12 PM PDT           55.92             87         -              Normal
  06/18/2025 01 PM PDT           55.91             86         -              Normal
  06/18/2025 02 PM PDT           55.92             87         +              Normal
  06/18/2025 03 PM PDT           55.90             85         -              Normal
  06/18/2025 04 PM PDT           55.89             84         -              Normal
  06/18/2025 05 PM PDT           55.85             81         -              Normal
  06/18/2025 06 PM PDT           55.84             80         -              Normal
  06/18/2025 07 PM PDT           55.82             78         -              Normal
  06/18/2025 08 PM PDT           55.82             78         0              Normal
  06/18/2025 09 PM PDT           55.82             78         0              Normal
  06/18/2025 10 PM PDT           55.83             79         +              Normal
  06/18/2025 11 PM PDT           55.84             80         +              Normal
  06/19/2025 12 AM PDT           55.84             80         0              Normal
  06/19/2025 01 AM PDT           55.84             80         0              Normal
  06/19/2025 02 AM PDT           55.86             82         +              Normal
  06/19/2025 03 AM PDT           55.93             88         +              Normal
  06/19/2025 04 AM PDT           55.97             92         +              Normal
  06/19/2025 05 AM PDT           55.95             90         -              Normal
  06/19/2025 06 AM PDT           55.95             90         0              Normal
  06/19/2025 07 AM PDT           55.95             90         0              Normal
  06/19/2025 08 AM PDT           55.96             91         +              Normal
  06/19/2025 09 AM PDT           55.95             90         -              Normal
  06/19/2025 10 AM PDT           55.96             91         +              Normal
  06/19/2025 11 AM PDT           55.95             90         -              Normal
  06/19/2025 12 PM PDT           55.95             90         0              Normal
  06/19/2025 01 PM PDT           55.95             90         0              Normal
  06/19/2025 02 PM PDT           55.97             92         +              Normal
  06/19/2025 03 PM PDT           56.03             97         +              Normal
  06/19/2025 04 PM PDT           56.06            100         +              Normal
  06/19/2025 05 PM PDT           56.08            102         +              Normal
  06/19/2025 06 PM PDT           56.10            104         +              Normal
  06/19/2025 07 PM PDT           56.09            103         -              Normal
  06/19/2025 08 PM PDT           56.07            101         -              Normal
  06/19/2025 09 PM PDT           56.04             98         -              Normal
  06/19/2025 10 PM PDT           56.02             96         -              Normal
  06/19/2025 11 PM PDT           56.01             95         -              Normal
  06/20/2025 12 AM PDT           56.02             96         +              Normal
  06/20/2025 01 AM PDT           56.03             97         +              Normal
  06/20/2025 02 AM PDT           56.05             99         +              Normal
  06/20/2025 03 AM PDT           56.06            100         +              Normal
  06/20/2025 04 AM PDT           56.07            101         +              Normal
  06/20/2025 05 AM PDT           56.07            101         0              Normal
  06/20/2025 06 AM PDT           56.08            102         +              Normal
  06/20/2025 07 AM PDT           56.09            103         +              Normal
  06/20/2025 08 AM PDT           56.10            104         +              Normal
  06/20/2025 09 AM PDT           56.12            105         +              Normal
  06/20/2025 10 AM PDT           56.14            107         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/20/2025 11 AM PDT           56.15            108                        Normal
  06/20/2025 12 PM PDT           56.16            109         +              Normal
  06/20/2025 01 PM PDT           56.17            110         +              Normal
  06/20/2025 02 PM PDT           56.18            111         +              Normal
  06/20/2025 03 PM PDT           56.19            112         +              Normal
  06/20/2025 04 PM PDT           56.19            112         0              Normal
  06/20/2025 05 PM PDT           56.20            113         +              Normal
  06/20/2025 06 PM PDT           56.20            113         0              Normal
  06/20/2025 07 PM PDT           56.21            114         +              Normal
  06/20/2025 08 PM PDT           56.21            114         0              Normal
  06/20/2025 09 PM PDT           56.21            114         0              Normal
  06/20/2025 10 PM PDT           56.22            115         +              Normal
  06/20/2025 11 PM PDT           56.22            115         0              Normal
  06/21/2025 12 AM PDT           56.22            115         0              Normal
  06/21/2025 01 AM PDT           56.22            115         0              Normal
  06/21/2025 02 AM PDT           56.22            115         0              Normal
  06/21/2025 03 AM PDT           56.22            115         0              Normal
  06/21/2025 04 AM PDT           56.22            115         0              Normal
  06/21/2025 05 AM PDT           56.23            116         +              Normal
  06/21/2025 06 AM PDT           56.23            116         0              Normal
  06/21/2025 07 AM PDT           56.23            116         0              Normal
  06/21/2025 08 AM PDT           56.23            116         0              Normal
  06/21/2025 09 AM PDT           56.23            116         0              Normal
  06/21/2025 10 AM PDT           56.23            116         0              Normal
  06/21/2025 11 AM PDT           56.23            116         0              Normal
  06/21/2025 12 PM PDT           56.23            116         0              Normal
  06/21/2025 01 PM PDT           56.23            116         0              Normal
  06/21/2025 02 PM PDT           56.23            116         0              Normal
  06/21/2025 03 PM PDT           56.23            116         0              Normal
  06/21/2025 04 PM PDT           56.23            116         0              Normal
  06/21/2025 05 PM PDT           56.23            116         0              Normal
  06/21/2025 06 PM PDT           56.23            116         0              Normal
  06/21/2025 07 PM PDT           56.23            116         0              Normal
  06/21/2025 08 PM PDT           56.23            116         0              Normal
  06/21/2025 09 PM PDT           56.23            116         0              Normal
  06/21/2025 10 PM PDT           56.23            116         0              Normal
  06/21/2025 11 PM PDT           56.23            116         0              Normal
  06/22/2025 12 AM PDT           56.23            116         0              Normal
  06/22/2025 01 AM PDT           56.23            116         0              Normal
  06/22/2025 02 AM PDT           56.23            116         0              Normal
  06/22/2025 03 AM PDT           56.23            116         0              Normal
  06/22/2025 04 AM PDT           56.23            116         0              Normal
  06/22/2025 05 AM PDT           56.23            116         0              Normal
  06/22/2025 06 AM PDT           56.23            116         0              Normal
  06/22/2025 07 AM PDT           56.23            116         0              Normal
  06/22/2025 08 AM PDT           56.23            116         0              Normal
  06/22/2025 09 AM PDT           56.23            116         0              Normal
  06/22/2025 10 AM PDT           56.23            116         0              Normal
  06/22/2025 11 AM PDT           56.23            116         0              Normal
  06/22/2025 12 PM PDT           56.23            116         0              Normal
  06/22/2025 01 PM PDT           56.23            116         0              Normal
  06/22/2025 02 PM PDT           56.23            116         0              Normal
  06/22/2025 03 PM PDT           56.23            116         0              Normal
  06/22/2025 04 PM PDT           56.23            116         0              Normal
  06/22/2025 05 PM PDT           56.23            116         0              Normal
  06/22/2025 06 PM PDT           56.23            116         0              Normal
  06/22/2025 07 PM PDT           56.23            116         0              Normal
  06/22/2025 08 PM PDT           56.23            116         0              Normal
  06/22/2025 09 PM PDT           56.23            116         0              Normal
  06/22/2025 10 PM PDT           56.23            116         0              Normal
  06/22/2025 11 PM PDT           56.23            116         0              Normal
  06/23/2025 12 AM PDT           56.23            116         0              Normal
  06/23/2025 01 AM PDT           56.23            116         0              Normal
  06/23/2025 02 AM PDT           56.23            116         0              Normal
  06/23/2025 03 AM PDT           56.23            116         0              Normal
  06/23/2025 04 AM PDT           56.23            116         0              Normal
  06/23/2025 05 AM PDT           56.23            116         0              Normal
  06/23/2025 06 AM PDT           56.23            116         0              Normal
  06/23/2025 07 AM PDT           56.23            116         0              Normal
  06/23/2025 08 AM PDT           56.23            116         0              Normal
  06/23/2025 09 AM PDT           56.23            116         0              Normal
  06/23/2025 10 AM PDT           56.23            116         0              Normal
  06/23/2025 11 AM PDT           56.23            116         0              Normal
  06/23/2025 12 PM PDT           56.23            116         0              Normal
  06/23/2025 01 PM PDT           56.23            116         0              Normal
  06/23/2025 02 PM PDT           56.23            116         0              Normal
  06/23/2025 03 PM PDT           56.23            116         0              Normal
  06/23/2025 04 PM PDT           56.23            116         0              Normal
  06/23/2025 05 PM PDT           56.23            116         0              Normal
  06/23/2025 06 PM PDT           56.23            116         0              Normal
  06/23/2025 07 PM PDT           56.23            116         0              Normal
  06/23/2025 08 PM PDT           56.23            116         0              Normal
  06/23/2025 09 PM PDT           56.23            116         0              Normal
  06/23/2025 10 PM PDT           56.23            116         0              Normal
  06/23/2025 11 PM PDT           56.23            116         0              Normal
  06/24/2025 12 AM PDT           56.23            116         0              Normal
  06/24/2025 01 AM PDT           56.23            116         0              Normal
  06/24/2025 02 AM PDT           56.23            116         0              Normal
  06/24/2025 03 AM PDT           56.23            116         0              Normal
  06/24/2025 04 AM PDT           56.23            116         0              Normal
  06/24/2025 05 AM PDT           56.23            116         0              Normal
  06/24/2025 06 AM PDT           56.23            116         0              Normal
  06/24/2025 07 AM PDT           56.23            116         0              Normal
  06/24/2025 08 AM PDT           56.23            116         0              Normal
  06/24/2025 09 AM PDT           56.23            116         0              Normal
  06/24/2025 10 AM PDT           56.23            116         0              Normal
  06/24/2025 11 AM PDT           56.23            116         0              Normal
  06/24/2025 12 PM PDT           56.23            116         0              Normal
  06/24/2025 01 PM PDT           56.23            116         0              Normal
  06/24/2025 02 PM PDT           56.23            116         0              Normal
  06/24/2025 03 PM PDT           56.23            116         0              Normal
  06/24/2025 04 PM PDT           56.23            116         0              Normal
  06/24/2025 05 PM PDT           56.23            116         0              Normal
  06/24/2025 06 PM PDT           56.23            116         0              Normal
  06/24/2025 07 PM PDT           56.23            116         0              Normal
  06/24/2025 08 PM PDT           56.23            116         0              Normal
  06/24/2025 09 PM PDT           56.23            116         0              Normal
  06/24/2025 10 PM PDT           56.23            116         0              Normal
  06/24/2025 11 PM PDT           56.23            116         0              Normal
  06/25/2025 12 AM PDT           56.23            116         0              Normal
  06/25/2025 01 AM PDT           56.23            116         0              Normal
  06/25/2025 02 AM PDT           56.23            116         0              Normal
  06/25/2025 03 AM PDT           56.23            116         0              Normal
  06/25/2025 04 AM PDT           56.23            116         0              Normal
  06/25/2025 05 AM PDT           56.23            116         0              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.