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 - NEWMAN (NWMC1)
Latitude: 37.35º NLongitude: 120.98º WElevation: 90 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 25 2025 at 2:10 PM PSTNext Issuance: Dec 26 2025 at 9:00 AM PST
Action/Monitor: 63.0 FeetMinor Flood: 69.4 FeetModerate Flood: 70.7 FeetMajor Flood: 71.7 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Newman (NWMC1)
#
# File Generation Time:  12/25/2025 at 02:10 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/25/2025 at 01:00 PM PST
# Maximum Observed Stage:                       50.15 Feet
# Maximum Observed Flow:                        747 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/27/2025 at 03:00 PM PST
# Maximum Forecast Stage:                       50.22 Feet
# Maximum Forecast Flow:                        768 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/20/2025 02 PM PST           49.70            611                        Normal
  12/20/2025 03 PM PST           49.71            614         +              Normal
  12/20/2025 04 PM PST           49.72            617         +              Normal
  12/20/2025 05 PM PST           49.72            617         0              Normal
  12/20/2025 06 PM PST           49.73            620         +              Normal
  12/20/2025 07 PM PST           49.74            623         +              Normal
  12/20/2025 08 PM PST           49.74            623         0              Normal
  12/20/2025 09 PM PST           49.74            623         0              Normal
  12/20/2025 10 PM PST           49.75            625         +              Normal
  12/20/2025 11 PM PST           49.75            625         0              Normal
  12/21/2025 12 AM PST           49.76            628         +              Normal
  12/21/2025 01 AM PST           49.77            631         +              Normal
  12/21/2025 02 AM PST           49.77            631         0              Normal
  12/21/2025 03 AM PST           49.77            631         0              Normal
  12/21/2025 04 AM PST           49.78            634         +              Normal
  12/21/2025 05 AM PST           49.79            637         +              Normal
  12/21/2025 06 AM PST           49.79            637         0              Normal
  12/21/2025 07 AM PST           49.80            640         +              Normal
  12/21/2025 08 AM PST           49.80            640         0              Normal
  12/21/2025 09 AM PST           49.80            640         0              Normal
  12/21/2025 10 AM PST           49.81            643         +              Normal
  12/21/2025 11 AM PST           49.82            646         +              Normal
  12/21/2025 12 PM PST           49.82            646         0              Normal
  12/21/2025 01 PM PST           49.83            649         +              Normal
  12/21/2025 02 PM PST           49.84            652         +              Normal
  12/21/2025 03 PM PST           49.84            652         0              Normal
  12/21/2025 04 PM PST           49.84            652         0              Normal
  12/21/2025 05 PM PST           49.85            655         +              Normal
  12/21/2025 06 PM PST           49.85            655         0              Normal
  12/21/2025 07 PM PST           49.84            652         -              Normal
  12/21/2025 08 PM PST           49.85            655         +              Normal
  12/21/2025 09 PM PST           49.85            655         0              Normal
  12/21/2025 10 PM PST           49.85            655         0              Normal
  12/21/2025 11 PM PST           49.85            655         0              Normal
  12/22/2025 12 AM PST           49.85            655         0              Normal
  12/22/2025 01 AM PST           49.85            655         0              Normal
  12/22/2025 02 AM PST           49.85            655         0              Normal
  12/22/2025 03 AM PST           49.85            655         0              Normal
  12/22/2025 04 AM PST           49.85            655         0              Normal
  12/22/2025 05 AM PST           49.85            655         0              Normal
  12/22/2025 06 AM PST           49.85            655         0              Normal
  12/22/2025 07 AM PST           49.85            655         0              Normal
  12/22/2025 08 AM PST           49.84            652         -              Normal
  12/22/2025 09 AM PST           49.85            655         +              Normal
  12/22/2025 10 AM PST           49.85            655         0              Normal
  12/22/2025 11 AM PST           49.85            655         0              Normal
  12/22/2025 12 PM PST           49.85            655         0              Normal
  12/22/2025 01 PM PST           49.85            655         0              Normal
  12/22/2025 02 PM PST           49.85            655         0              Normal
  12/22/2025 03 PM PST           49.86            658         +              Normal
  12/22/2025 04 PM PST           49.86            658         0              Normal
  12/22/2025 05 PM PST           49.86            658         0              Normal
  12/22/2025 06 PM PST           49.85            655         -              Normal
  12/22/2025 07 PM PST           49.85            655         0              Normal
  12/22/2025 08 PM PST           49.86            658         +              Normal
  12/22/2025 09 PM PST           49.86            658         0              Normal
  12/22/2025 10 PM PST           49.86            658         0              Normal
  12/22/2025 11 PM PST           49.87            661         +              Normal
  12/23/2025 12 AM PST           49.86            658         -              Normal
  12/23/2025 01 AM PST           49.86            658         0              Normal
  12/23/2025 02 AM PST           49.86            658         0              Normal
  12/23/2025 03 AM PST           49.86            658         0              Normal
  12/23/2025 04 AM PST           49.86            658         0              Normal
  12/23/2025 05 AM PST           49.86            658         0              Normal
  12/23/2025 06 AM PST           49.86            658         0              Normal
  12/23/2025 07 AM PST           49.86            658         0              Normal
  12/23/2025 08 AM PST           49.85            655         -              Normal
  12/23/2025 09 AM PST           49.85            655         0              Normal
  12/23/2025 10 AM PST           49.85            655         0              Normal
  12/23/2025 11 AM PST           49.84            652         -              Normal
  12/23/2025 12 PM PST           49.84            652         0              Normal
  12/23/2025 01 PM PST           49.85            655         +              Normal
  12/23/2025 02 PM PST           49.85            655         0              Normal
  12/23/2025 03 PM PST           49.85            655         0              Normal
  12/23/2025 04 PM PST           49.85            655         0              Normal
  12/23/2025 05 PM PST           49.85            655         0              Normal
  12/23/2025 06 PM PST           49.86            658         +              Normal
  12/23/2025 07 PM PST           49.86            658         0              Normal
  12/23/2025 08 PM PST           49.86            658         0              Normal
  12/23/2025 09 PM PST           49.85            655         -              Normal
  12/23/2025 10 PM PST           49.86            658         +              Normal
  12/23/2025 11 PM PST           49.86            658         0              Normal
  12/24/2025 12 AM PST           49.86            658         0              Normal
  12/24/2025 01 AM PST           49.86            658         0              Normal
  12/24/2025 02 AM PST           49.86            658         0              Normal
  12/24/2025 03 AM PST           49.88            664         +              Normal
  12/24/2025 04 AM PST           49.88            664         0              Normal
  12/24/2025 05 AM PST           49.88            664         0              Normal
  12/24/2025 06 AM PST           49.89            667         +              Normal
  12/24/2025 07 AM PST           49.91            673         +              Normal
  12/24/2025 08 AM PST           49.92            677         +              Normal
  12/24/2025 09 AM PST           49.92            677         0              Normal
  12/24/2025 10 AM PST           49.93            680         +              Normal
  12/24/2025 11 AM PST           49.94            683         +              Normal
  12/24/2025 12 PM PST           49.95            686         +              Normal
  12/24/2025 01 PM PST           49.95            686         0              Normal
  12/24/2025 02 PM PST           49.96            689         +              Normal
  12/24/2025 03 PM PST           49.97            692         +              Normal
  12/24/2025 04 PM PST           49.97            692         0              Normal
  12/24/2025 05 PM PST           49.97            692         0              Normal
  12/24/2025 06 PM PST           49.98            695         +              Normal
  12/24/2025 07 PM PST           49.98            695         0              Normal
  12/24/2025 08 PM PST           50.00            701         +              Normal
  12/24/2025 09 PM PST           49.99            698         -              Normal
  12/24/2025 10 PM PST           50.01            704         +              Normal
  12/24/2025 11 PM PST           50.01            704         0              Normal
  12/25/2025 12 AM PST           50.01            704         0              Normal
  12/25/2025 01 AM PST           50.03            710         +              Normal
  12/25/2025 02 AM PST           50.04            713         +              Normal
  12/25/2025 03 AM PST           50.03            710         -              Normal
  12/25/2025 04 AM PST           50.05            716         +              Normal
  12/25/2025 05 AM PST           50.08            725         +              Normal
  12/25/2025 06 AM PST           50.10            731         +              Normal
  12/25/2025 07 AM PST           50.11            734         +              Normal
  12/25/2025 08 AM PST           50.12            737         +              Normal
  12/25/2025 09 AM PST           50.13            741         +              Normal
  12/25/2025 10 AM PST           50.14            744         +              Normal
  12/25/2025 11 AM PST           50.14            744         0              Normal
  12/25/2025 12 PM PST           50.14            744         0              Normal
  12/25/2025 01 PM PST           50.15            747         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/25/2025 02 PM PST           50.15            747                        Normal
  12/25/2025 03 PM PST           50.15            747         0              Normal
  12/25/2025 04 PM PST           50.15            747         0              Normal
  12/25/2025 05 PM PST           50.15            747         0              Normal
  12/25/2025 06 PM PST           50.16            750         +              Normal
  12/25/2025 07 PM PST           50.16            750         0              Normal
  12/25/2025 08 PM PST           50.16            750         0              Normal
  12/25/2025 09 PM PST           50.16            750         0              Normal
  12/25/2025 10 PM PST           50.17            753         +              Normal
  12/25/2025 11 PM PST           50.17            753         0              Normal
  12/26/2025 12 AM PST           50.17            753         0              Normal
  12/26/2025 01 AM PST           50.17            753         0              Normal
  12/26/2025 02 AM PST           50.17            753         0              Normal
  12/26/2025 03 AM PST           50.18            756         +              Normal
  12/26/2025 04 AM PST           50.18            756         0              Normal
  12/26/2025 05 AM PST           50.18            756         0              Normal
  12/26/2025 06 AM PST           50.18            756         0              Normal
  12/26/2025 07 AM PST           50.18            756         0              Normal
  12/26/2025 08 AM PST           50.18            756         0              Normal
  12/26/2025 09 AM PST           50.19            759         +              Normal
  12/26/2025 10 AM PST           50.19            759         0              Normal
  12/26/2025 11 AM PST           50.19            759         0              Normal
  12/26/2025 12 PM PST           50.19            759         0              Normal
  12/26/2025 01 PM PST           50.19            759         0              Normal
  12/26/2025 02 PM PST           50.19            759         0              Normal
  12/26/2025 03 PM PST           50.19            759         0              Normal
  12/26/2025 04 PM PST           50.19            759         0              Normal
  12/26/2025 05 PM PST           50.20            762         +              Normal
  12/26/2025 06 PM PST           50.20            762         0              Normal
  12/26/2025 07 PM PST           50.20            762         0              Normal
  12/26/2025 08 PM PST           50.20            762         0              Normal
  12/26/2025 09 PM PST           50.20            762         0              Normal
  12/26/2025 10 PM PST           50.20            762         0              Normal
  12/26/2025 11 PM PST           50.20            762         0              Normal
  12/27/2025 12 AM PST           50.20            762         0              Normal
  12/27/2025 01 AM PST           50.20            762         0              Normal
  12/27/2025 02 AM PST           50.20            762         0              Normal
  12/27/2025 03 AM PST           50.20            762         0              Normal
  12/27/2025 04 AM PST           50.21            765         +              Normal
  12/27/2025 05 AM PST           50.21            765         0              Normal
  12/27/2025 06 AM PST           50.21            765         0              Normal
  12/27/2025 07 AM PST           50.21            765         0              Normal
  12/27/2025 08 AM PST           50.21            765         0              Normal
  12/27/2025 09 AM PST           50.21            765         0              Normal
  12/27/2025 10 AM PST           50.21            765         0              Normal
  12/27/2025 11 AM PST           50.21            765         0              Normal
  12/27/2025 12 PM PST           50.21            765         0              Normal
  12/27/2025 01 PM PST           50.21            765         0              Normal
  12/27/2025 02 PM PST           50.21            765         0              Normal
  12/27/2025 03 PM PST           50.22            768         +              Normal
  12/27/2025 04 PM PST           50.22            768         0              Normal
  12/27/2025 05 PM PST           50.22            768         0              Normal
  12/27/2025 06 PM PST           50.22            768         0              Normal
  12/27/2025 07 PM PST           50.22            768         0              Normal
  12/27/2025 08 PM PST           50.22            768         0              Normal
  12/27/2025 09 PM PST           50.22            768         0              Normal
  12/27/2025 10 PM PST           50.22            768         0              Normal
  12/27/2025 11 PM PST           50.22            768         0              Normal
  12/28/2025 12 AM PST           50.22            768         0              Normal
  12/28/2025 01 AM PST           50.22            768         0              Normal
  12/28/2025 02 AM PST           50.22            768         0              Normal
  12/28/2025 03 AM PST           50.22            768         0              Normal
  12/28/2025 04 AM PST           50.22            768         0              Normal
  12/28/2025 05 AM PST           50.22            768         0              Normal
  12/28/2025 06 AM PST           50.22            768         0              Normal
  12/28/2025 07 AM PST           50.22            768         0              Normal
  12/28/2025 08 AM PST           50.21            765         -              Normal
  12/28/2025 09 AM PST           50.21            765         0              Normal
  12/28/2025 10 AM PST           50.21            765         0              Normal
  12/28/2025 11 AM PST           50.21            765         0              Normal
  12/28/2025 12 PM PST           50.21            765         0              Normal
  12/28/2025 01 PM PST           50.21            765         0              Normal
  12/28/2025 02 PM PST           50.21            765         0              Normal
  12/28/2025 03 PM PST           50.21            765         0              Normal
  12/28/2025 04 PM PST           50.21            765         0              Normal
  12/28/2025 05 PM PST           50.21            765         0              Normal
  12/28/2025 06 PM PST           50.21            765         0              Normal
  12/28/2025 07 PM PST           50.21            765         0              Normal
  12/28/2025 08 PM PST           50.21            765         0              Normal
  12/28/2025 09 PM PST           50.21            765         0              Normal
  12/28/2025 10 PM PST           50.21            765         0              Normal
  12/28/2025 11 PM PST           50.21            765         0              Normal
  12/29/2025 12 AM PST           50.21            765         0              Normal
  12/29/2025 01 AM PST           50.21            765         0              Normal
  12/29/2025 02 AM PST           50.21            765         0              Normal
  12/29/2025 03 AM PST           50.21            765         0              Normal
  12/29/2025 04 AM PST           50.21            765         0              Normal
  12/29/2025 05 AM PST           50.21            765         0              Normal
  12/29/2025 06 AM PST           50.21            765         0              Normal
  12/29/2025 07 AM PST           50.21            765         0              Normal
  12/29/2025 08 AM PST           50.21            765         0              Normal
  12/29/2025 09 AM PST           50.21            765         0              Normal
  12/29/2025 10 AM PST           50.21            765         0              Normal
  12/29/2025 11 AM PST           50.21            765         0              Normal
  12/29/2025 12 PM PST           50.21            765         0              Normal
  12/29/2025 01 PM PST           50.21            765         0              Normal
  12/29/2025 02 PM PST           50.21            765         0              Normal
  12/29/2025 03 PM PST           50.21            765         0              Normal
  12/29/2025 04 PM PST           50.20            762         -              Normal
  12/29/2025 05 PM PST           50.20            762         0              Normal
  12/29/2025 06 PM PST           50.20            762         0              Normal
  12/29/2025 07 PM PST           50.20            762         0              Normal
  12/29/2025 08 PM PST           50.20            762         0              Normal
  12/29/2025 09 PM PST           50.20            762         0              Normal
  12/29/2025 10 PM PST           50.20            762         0              Normal
  12/29/2025 11 PM PST           50.20            762         0              Normal
  12/30/2025 12 AM PST           50.19            759         -              Normal
  12/30/2025 01 AM PST           50.19            759         0              Normal
  12/30/2025 02 AM PST           50.19            759         0              Normal
  12/30/2025 03 AM PST           50.19            759         0              Normal
  12/30/2025 04 AM PST           50.19            759         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.