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: Apr 30 2025 at 7:37 AM PDTNext Issuance: May 01 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:  04/30/2025 at 07:37 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/27/2025 at 07:00 PM PDT
# Maximum Observed Stage:                       57.24 Feet
# Maximum Observed Flow:                        208 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/01/2025 at 01:00 AM PDT
# Maximum Forecast Stage:                       56.81 Feet
# Maximum Forecast Flow:                        161 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/25/2025 07 AM PDT           56.85            165                        Normal
  04/25/2025 08 AM PDT           56.89            169         +              Normal
  04/25/2025 09 AM PDT           56.85            165         -              Normal
  04/25/2025 10 AM PDT           56.83            163         -              Normal
  04/25/2025 11 AM PDT           56.83            163         0              Normal
  04/25/2025 12 PM PDT           56.81            161         -              Normal
  04/25/2025 01 PM PDT           56.81            161         0              Normal
  04/25/2025 02 PM PDT           56.80            160         -              Normal
  04/25/2025 03 PM PDT           56.78            157         -              Normal
  04/25/2025 04 PM PDT           56.76            155         -              Normal
  04/25/2025 05 PM PDT           56.76            155         0              Normal
  04/25/2025 06 PM PDT           56.75            154         -              Normal
  04/25/2025 07 PM PDT           56.76            155         +              Normal
  04/25/2025 08 PM PDT           56.77            156         +              Normal
  04/25/2025 09 PM PDT           56.77            156         0              Normal
  04/25/2025 10 PM PDT           56.78            157         +              Normal
  04/25/2025 11 PM PDT           56.79            159         +              Normal
  04/26/2025 12 AM PDT           56.83            163         +              Normal
  04/26/2025 01 AM PDT           56.87            167         +              Normal
  04/26/2025 02 AM PDT           56.88            168         +              Normal
  04/26/2025 03 AM PDT           56.88            168         0              Normal
  04/26/2025 04 AM PDT           56.89            169         +              Normal
  04/26/2025 05 AM PDT           56.89            169         0              Normal
  04/26/2025 06 AM PDT           56.88            168         -              Normal
  04/26/2025 07 AM PDT           56.89            169         +              Normal
  04/26/2025 08 AM PDT           56.91            171         +              Normal
  04/26/2025 09 AM PDT           56.92            172         +              Normal
  04/26/2025 10 AM PDT           56.94            175         +              Normal
  04/26/2025 11 AM PDT           56.95            176         +              Normal
  04/26/2025 12 PM PDT           56.96            177         +              Normal
  04/26/2025 01 PM PDT           56.97            178         +              Normal
  04/26/2025 02 PM PDT           56.97            178         0              Normal
  04/26/2025 03 PM PDT           56.97            178         0              Normal
  04/26/2025 04 PM PDT           56.98            179         +              Normal
  04/26/2025 05 PM PDT           56.98            179         0              Normal
  04/26/2025 06 PM PDT           56.97            178         -              Normal
  04/26/2025 07 PM PDT           56.97            178         0              Normal
  04/26/2025 08 PM PDT           57.00            181         +              Normal
  04/26/2025 09 PM PDT           57.02            183         +              Normal
  04/26/2025 10 PM PDT           57.04            186         +              Normal
  04/26/2025 11 PM PDT           57.05            187         +              Normal
  04/27/2025 12 AM PDT           57.06            188         +              Normal
  04/27/2025 01 AM PDT           57.07            189         +              Normal
  04/27/2025 02 AM PDT           57.08            190         +              Normal
  04/27/2025 03 AM PDT           57.09            191         +              Normal
  04/27/2025 04 AM PDT           57.10            192         +              Normal
  04/27/2025 05 AM PDT           57.11            193         +              Normal
  04/27/2025 06 AM PDT           57.13            196         +              Normal
  04/27/2025 07 AM PDT           57.15            198         +              Normal
  04/27/2025 08 AM PDT           57.12            194         -              Normal
  04/27/2025 09 AM PDT           57.11            193         -              Normal
  04/27/2025 10 AM PDT           57.11            193         0              Normal
  04/27/2025 11 AM PDT           57.13            196         +              Normal
  04/27/2025 12 PM PDT           57.17            200         +              Normal
  04/27/2025 01 PM PDT           57.21            205         +              Normal
  04/27/2025 02 PM PDT           57.23            207         +              Normal
  04/27/2025 03 PM PDT           57.23            207         0              Normal
  04/27/2025 04 PM PDT           57.23            207         0              Normal
  04/27/2025 05 PM PDT           57.22            206         -              Normal
  04/27/2025 06 PM PDT           57.22            206         0              Normal
  04/27/2025 07 PM PDT           57.24            208         +              Normal
  04/27/2025 08 PM PDT           57.23            207         -              Normal
  04/27/2025 09 PM PDT           57.21            205         -              Normal
  04/27/2025 10 PM PDT           57.21            205         0              Normal
  04/27/2025 11 PM PDT           57.20            203         -              Normal
  04/28/2025 12 AM PDT           57.19            202         -              Normal
  04/28/2025 01 AM PDT           57.19            202         0              Normal
  04/28/2025 02 AM PDT           57.20            203         +              Normal
  04/28/2025 03 AM PDT           57.19            202         -              Normal
  04/28/2025 04 AM PDT           57.19            202         0              Normal
  04/28/2025 05 AM PDT           57.17            200         -              Normal
  04/28/2025 06 AM PDT           57.15            198         -              Normal
  04/28/2025 07 AM PDT           57.15            198         0              Normal
  04/28/2025 08 AM PDT           57.09            191         -              Normal
  04/28/2025 09 AM PDT           57.06            188         -              Normal
  04/28/2025 10 AM PDT           57.03            184         -              Normal
  04/28/2025 11 AM PDT           57.01            182         -              Normal
  04/28/2025 12 PM PDT           57.00            181         -              Normal
  04/28/2025 01 PM PDT           56.98            179         -              Normal
  04/28/2025 02 PM PDT           56.96            177         -              Normal
  04/28/2025 03 PM PDT           56.94            175         -              Normal
  04/28/2025 04 PM PDT           56.93            174         -              Normal
  04/28/2025 05 PM PDT           56.93            174         0              Normal
  04/28/2025 06 PM PDT           56.92            172         -              Normal
  04/28/2025 07 PM PDT           56.90            170         -              Normal
  04/28/2025 08 PM PDT           56.91            171         +              Normal
  04/28/2025 09 PM PDT           56.92            172         +              Normal
  04/28/2025 10 PM PDT           56.92            172         0              Normal
  04/28/2025 11 PM PDT           56.91            171         -              Normal
  04/29/2025 12 AM PDT           56.92            172         +              Normal
  04/29/2025 01 AM PDT           56.93            174         +              Normal
  04/29/2025 02 AM PDT           56.95            176         +              Normal
  04/29/2025 03 AM PDT           57.00            181         +              Normal
  04/29/2025 04 AM PDT           57.02            183         +              Normal
  04/29/2025 05 AM PDT           57.05            187         +              Normal
  04/29/2025 06 AM PDT           57.06            188         +              Normal
  04/29/2025 07 AM PDT           57.06            188         0              Normal
  04/29/2025 08 AM PDT           57.04            186         -              Normal
  04/29/2025 09 AM PDT           57.00            181         -              Normal
  04/29/2025 10 AM PDT           56.98            179         -              Normal
  04/29/2025 11 AM PDT           56.96            177         -              Normal
  04/29/2025 12 PM PDT           56.93            174         -              Normal
  04/29/2025 01 PM PDT           56.90            170         -              Normal
  04/29/2025 02 PM PDT           56.89            169         -              Normal
  04/29/2025 03 PM PDT           56.89            169         0              Normal
  04/29/2025 04 PM PDT           56.89            169         0              Normal
  04/29/2025 05 PM PDT           56.88            168         -              Normal
  04/29/2025 06 PM PDT           56.85            165         -              Normal
  04/29/2025 07 PM PDT           56.81            161         -              Normal
  04/29/2025 08 PM PDT           56.78            157         -              Normal
  04/29/2025 09 PM PDT           56.78            157         0              Normal
  04/29/2025 10 PM PDT           56.78            157         0              Normal
  04/29/2025 11 PM PDT           56.78            157         0              Normal
  04/30/2025 12 AM PDT           56.78            157         0              Normal
  04/30/2025 01 AM PDT           56.77            156         -              Normal
  04/30/2025 02 AM PDT           56.77            156         0              Normal
  04/30/2025 03 AM PDT           56.77            156         0              Normal
  04/30/2025 04 AM PDT           56.77            156         0              Normal
  04/30/2025 05 AM PDT           56.77            156         0              Normal
  04/30/2025 06 AM PDT           56.77            156         0              Normal
  04/30/2025 07 AM PDT           56.77            156         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/30/2025 08 AM PDT           56.76            155                        Normal
  04/30/2025 09 AM PDT           56.76            155         0              Normal
  04/30/2025 10 AM PDT           56.76            155         0              Normal
  04/30/2025 11 AM PDT           56.76            155         0              Normal
  04/30/2025 12 PM PDT           56.76            155         0              Normal
  04/30/2025 01 PM PDT           56.76            155         0              Normal
  04/30/2025 02 PM PDT           56.77            156         +              Normal
  04/30/2025 03 PM PDT           56.77            156         0              Normal
  04/30/2025 04 PM PDT           56.78            157         +              Normal
  04/30/2025 05 PM PDT           56.78            157         0              Normal
  04/30/2025 06 PM PDT           56.79            159         +              Normal
  04/30/2025 07 PM PDT           56.79            159         0              Normal
  04/30/2025 08 PM PDT           56.79            159         0              Normal
  04/30/2025 09 PM PDT           56.80            160         +              Normal
  04/30/2025 10 PM PDT           56.80            160         0              Normal
  04/30/2025 11 PM PDT           56.80            160         0              Normal
  05/01/2025 12 AM PDT           56.80            160         0              Normal
  05/01/2025 01 AM PDT           56.81            161         +              Normal
  05/01/2025 02 AM PDT           56.81            161         0              Normal
  05/01/2025 03 AM PDT           56.81            161         0              Normal
  05/01/2025 04 AM PDT           56.81            161         0              Normal
  05/01/2025 05 AM PDT           56.81            161         0              Normal
  05/01/2025 06 AM PDT           56.81            161         0              Normal
  05/01/2025 07 AM PDT           56.81            161         0              Normal
  05/01/2025 08 AM PDT           56.81            161         0              Normal
  05/01/2025 09 AM PDT           56.81            161         0              Normal
  05/01/2025 10 AM PDT           56.81            161         0              Normal
  05/01/2025 11 AM PDT           56.81            161         0              Normal
  05/01/2025 12 PM PDT           56.81            161         0              Normal
  05/01/2025 01 PM PDT           56.81            161         0              Normal
  05/01/2025 02 PM PDT           56.81            161         0              Normal
  05/01/2025 03 PM PDT           56.81            161         0              Normal
  05/01/2025 04 PM PDT           56.81            161         0              Normal
  05/01/2025 05 PM PDT           56.81            161         0              Normal
  05/01/2025 06 PM PDT           56.81            161         0              Normal
  05/01/2025 07 PM PDT           56.81            161         0              Normal
  05/01/2025 08 PM PDT           56.81            161         0              Normal
  05/01/2025 09 PM PDT           56.81            161         0              Normal
  05/01/2025 10 PM PDT           56.81            161         0              Normal
  05/01/2025 11 PM PDT           56.81            161         0              Normal
  05/02/2025 12 AM PDT           56.81            161         0              Normal
  05/02/2025 01 AM PDT           56.81            161         0              Normal
  05/02/2025 02 AM PDT           56.81            161         0              Normal
  05/02/2025 03 AM PDT           56.81            161         0              Normal
  05/02/2025 04 AM PDT           56.81            161         0              Normal
  05/02/2025 05 AM PDT           56.81            161         0              Normal
  05/02/2025 06 AM PDT           56.81            161         0              Normal
  05/02/2025 07 AM PDT           56.81            161         0              Normal
  05/02/2025 08 AM PDT           56.81            161         0              Normal
  05/02/2025 09 AM PDT           56.81            161         0              Normal
  05/02/2025 10 AM PDT           56.81            161         0              Normal
  05/02/2025 11 AM PDT           56.81            161         0              Normal
  05/02/2025 12 PM PDT           56.81            161         0              Normal
  05/02/2025 01 PM PDT           56.81            161         0              Normal
  05/02/2025 02 PM PDT           56.81            161         0              Normal
  05/02/2025 03 PM PDT           56.81            161         0              Normal
  05/02/2025 04 PM PDT           56.81            161         0              Normal
  05/02/2025 05 PM PDT           56.81            161         0              Normal
  05/02/2025 06 PM PDT           56.81            161         0              Normal
  05/02/2025 07 PM PDT           56.81            161         0              Normal
  05/02/2025 08 PM PDT           56.81            161         0              Normal
  05/02/2025 09 PM PDT           56.81            161         0              Normal
  05/02/2025 10 PM PDT           56.81            161         0              Normal
  05/02/2025 11 PM PDT           56.81            161         0              Normal
  05/03/2025 12 AM PDT           56.81            161         0              Normal
  05/03/2025 01 AM PDT           56.81            161         0              Normal
  05/03/2025 02 AM PDT           56.81            161         0              Normal
  05/03/2025 03 AM PDT           56.81            161         0              Normal
  05/03/2025 04 AM PDT           56.81            161         0              Normal
  05/03/2025 05 AM PDT           56.81            161         0              Normal
  05/03/2025 06 AM PDT           56.81            161         0              Normal
  05/03/2025 07 AM PDT           56.81            161         0              Normal
  05/03/2025 08 AM PDT           56.81            161         0              Normal
  05/03/2025 09 AM PDT           56.81            161         0              Normal
  05/03/2025 10 AM PDT           56.81            161         0              Normal
  05/03/2025 11 AM PDT           56.81            161         0              Normal
  05/03/2025 12 PM PDT           56.81            161         0              Normal
  05/03/2025 01 PM PDT           56.81            161         0              Normal
  05/03/2025 02 PM PDT           56.81            161         0              Normal
  05/03/2025 03 PM PDT           56.80            160         -              Normal
  05/03/2025 04 PM PDT           56.80            160         0              Normal
  05/03/2025 05 PM PDT           56.80            160         0              Normal
  05/03/2025 06 PM PDT           56.80            160         0              Normal
  05/03/2025 07 PM PDT           56.80            160         0              Normal
  05/03/2025 08 PM PDT           56.80            160         0              Normal
  05/03/2025 09 PM PDT           56.80            160         0              Normal
  05/03/2025 10 PM PDT           56.80            160         0              Normal
  05/03/2025 11 PM PDT           56.80            160         0              Normal
  05/04/2025 12 AM PDT           56.80            160         0              Normal
  05/04/2025 01 AM PDT           56.80            160         0              Normal
  05/04/2025 02 AM PDT           56.80            160         0              Normal
  05/04/2025 03 AM PDT           56.80            160         0              Normal
  05/04/2025 04 AM PDT           56.80            160         0              Normal
  05/04/2025 05 AM PDT           56.80            160         0              Normal
  05/04/2025 06 AM PDT           56.80            160         0              Normal
  05/04/2025 07 AM PDT           56.80            160         0              Normal
  05/04/2025 08 AM PDT           56.80            160         0              Normal
  05/04/2025 09 AM PDT           56.80            160         0              Normal
  05/04/2025 10 AM PDT           56.80            160         0              Normal
  05/04/2025 11 AM PDT           56.80            160         0              Normal
  05/04/2025 12 PM PDT           56.81            161         +              Normal
  05/04/2025 01 PM PDT           56.81            161         0              Normal
  05/04/2025 02 PM PDT           56.81            161         0              Normal
  05/04/2025 03 PM PDT           56.81            161         0              Normal
  05/04/2025 04 PM PDT           56.81            161         0              Normal
  05/04/2025 05 PM PDT           56.81            161         0              Normal
  05/04/2025 06 PM PDT           56.81            161         0              Normal
  05/04/2025 07 PM PDT           56.81            161         0              Normal
  05/04/2025 08 PM PDT           56.81            161         0              Normal
  05/04/2025 09 PM PDT           56.81            161         0              Normal
  05/04/2025 10 PM PDT           56.81            161         0              Normal
  05/04/2025 11 PM PDT           56.81            161         0              Normal
  05/05/2025 12 AM PDT           56.81            161         0              Normal
  05/05/2025 01 AM PDT           56.81            161         0              Normal
  05/05/2025 02 AM PDT           56.81            161         0              Normal
  05/05/2025 03 AM PDT           56.81            161         0              Normal
  05/05/2025 04 AM PDT           56.81            161         0              Normal
  05/05/2025 05 AM PDT           56.81            161         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.