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 - PATTERSON (PATC1)
Latitude: 37.49º NLongitude: 121.08º WElevation: 97 FeetForecast Type: Official Location
Location: Stanislaus County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Feb 15 2026 at 8:09 AM PSTNext Issuance: Feb 16 2026 at 9:00 AM PST
Action/Monitor: 48.0 FeetMinor Flood: 54.7 FeetModerate Flood: 57.3 FeetMajor Flood: 58.3 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time:  02/15/2026 at 08:09 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/15/2026 at 07:00 AM PST
# Maximum Observed Stage:                       33.06 Feet
# Maximum Observed Flow:                        1215 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/20/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       34.83 Feet
# Maximum Forecast Flow:                        2013 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/10/2026 08 AM PST           32.95           1170                        Normal
  02/10/2026 09 AM PST           32.95           1170         0              Normal
  02/10/2026 10 AM PST           32.94           1166         -              Normal
  02/10/2026 11 AM PST           32.94           1166         0              Normal
  02/10/2026 12 PM PST           32.93           1162         -              Normal
  02/10/2026 01 PM PST           32.94           1166         +              Normal
  02/10/2026 02 PM PST           32.93           1162         -              Normal
  02/10/2026 03 PM PST           32.93           1162         0              Normal
  02/10/2026 04 PM PST           32.94           1166         +              Normal
  02/10/2026 05 PM PST           32.93           1162         -              Normal
  02/10/2026 06 PM PST           32.94           1166         +              Normal
  02/10/2026 07 PM PST           32.94           1166         0              Normal
  02/10/2026 08 PM PST           32.94           1166         0              Normal
  02/10/2026 09 PM PST           32.94           1166         0              Normal
  02/10/2026 10 PM PST           32.94           1166         0              Normal
  02/10/2026 11 PM PST           32.93           1162         -              Normal
  02/11/2026 12 AM PST           32.94           1166         +              Normal
  02/11/2026 01 AM PST           32.94           1166         0              Normal
  02/11/2026 02 AM PST           32.94           1166         0              Normal
  02/11/2026 03 AM PST           32.95           1170         +              Normal
  02/11/2026 04 AM PST           32.95           1170         0              Normal
  02/11/2026 05 AM PST           32.95           1170         0              Normal
  02/11/2026 06 AM PST           32.95           1170         0              Normal
  02/11/2026 07 AM PST           32.94           1166         -              Normal
  02/11/2026 08 AM PST           32.94           1166         0              Normal
  02/11/2026 09 AM PST           32.95           1170         +              Normal
  02/11/2026 10 AM PST           32.95           1170         0              Normal
  02/11/2026 11 AM PST           32.94           1166         -              Normal
  02/11/2026 12 PM PST           32.94           1166         0              Normal
  02/11/2026 01 PM PST           32.94           1166         0              Normal
  02/11/2026 02 PM PST           32.94           1166         0              Normal
  02/11/2026 03 PM PST           32.95           1170         +              Normal
  02/11/2026 04 PM PST           32.95           1170         0              Normal
  02/11/2026 05 PM PST           32.95           1170         0              Normal
  02/11/2026 06 PM PST           32.95           1170         0              Normal
  02/11/2026 07 PM PST           32.95           1170         0              Normal
  02/11/2026 08 PM PST           32.96           1174         +              Normal
  02/11/2026 09 PM PST           32.96           1174         0              Normal
  02/11/2026 10 PM PST           32.98           1182         +              Normal
  02/11/2026 11 PM PST           32.98           1182         0              Normal
  02/12/2026 12 AM PST           32.99           1186         +              Normal
  02/12/2026 01 AM PST           32.99           1186         0              Normal
  02/12/2026 02 AM PST           32.99           1186         0              Normal
  02/12/2026 03 AM PST           33.00           1190         +              Normal
  02/12/2026 04 AM PST           32.99           1186         -              Normal
  02/12/2026 05 AM PST           32.99           1186         0              Normal
  02/12/2026 06 AM PST           33.00           1190         +              Normal
  02/12/2026 07 AM PST           33.00           1190         0              Normal
  02/12/2026 08 AM PST           33.00           1190         0              Normal
  02/12/2026 09 AM PST           33.00           1190         0              Normal
  02/12/2026 10 AM PST           33.00           1190         0              Normal
  02/12/2026 11 AM PST           33.02           1198         +              Normal
  02/12/2026 12 PM PST           33.02           1198         0              Normal
  02/12/2026 01 PM PST           33.02           1198         0              Normal
  02/12/2026 02 PM PST           33.03           1202         +              Normal
  02/12/2026 03 PM PST           33.03           1202         0              Normal
  02/12/2026 04 PM PST           33.02           1198         -              Normal
  02/12/2026 05 PM PST           33.02           1198         0              Normal
  02/12/2026 06 PM PST           33.01           1194         -              Normal
  02/12/2026 07 PM PST           33.01           1194         0              Normal
  02/12/2026 08 PM PST           33.01           1194         0              Normal
  02/12/2026 09 PM PST           33.00           1190         -              Normal
  02/12/2026 10 PM PST           33.00           1190         0              Normal
  02/12/2026 11 PM PST           33.00           1190         0              Normal
  02/13/2026 12 AM PST           33.00           1190         0              Normal
  02/13/2026 01 AM PST           32.99           1186         -              Normal
  02/13/2026 02 AM PST           32.99           1186         0              Normal
  02/13/2026 03 AM PST           32.99           1186         0              Normal
  02/13/2026 04 AM PST           32.99           1186         0              Normal
  02/13/2026 05 AM PST           33.00           1190         +              Normal
  02/13/2026 06 AM PST           33.00           1190         0              Normal
  02/13/2026 07 AM PST           33.01           1194         +              Normal
  02/13/2026 08 AM PST           33.01           1194         0              Normal
  02/13/2026 09 AM PST           33.01           1194         0              Normal
  02/13/2026 10 AM PST           33.02           1198         +              Normal
  02/13/2026 11 AM PST           33.02           1198         0              Normal
  02/13/2026 12 PM PST           33.02           1198         0              Normal
  02/13/2026 01 PM PST           33.02           1198         0              Normal
  02/13/2026 02 PM PST           33.02           1198         0              Normal
  02/13/2026 03 PM PST           33.02           1198         0              Normal
  02/13/2026 04 PM PST           33.03           1202         +              Normal
  02/13/2026 05 PM PST           33.02           1198         -              Normal
  02/13/2026 06 PM PST           33.02           1198         0              Normal
  02/13/2026 07 PM PST           33.02           1198         0              Normal
  02/13/2026 08 PM PST           33.02           1198         0              Normal
  02/13/2026 09 PM PST           33.02           1198         0              Normal
  02/13/2026 10 PM PST           33.02           1198         0              Normal
  02/13/2026 11 PM PST           33.01           1194         -              Normal
  02/14/2026 12 AM PST           33.02           1198         +              Normal
  02/14/2026 01 AM PST           33.02           1198         0              Normal
  02/14/2026 02 AM PST           33.02           1198         0              Normal
  02/14/2026 03 AM PST           33.03           1202         +              Normal
  02/14/2026 04 AM PST           33.02           1198         -              Normal
  02/14/2026 05 AM PST           33.03           1202         +              Normal
  02/14/2026 06 AM PST           33.03           1202         0              Normal
  02/14/2026 07 AM PST           33.03           1202         0              Normal
  02/14/2026 08 AM PST           33.04           1206         +              Normal
  02/14/2026 09 AM PST           33.05           1210         +              Normal
  02/14/2026 10 AM PST           33.05           1210         0              Normal
  02/14/2026 11 AM PST           33.05           1210         0              Normal
  02/14/2026 12 PM PST           33.05           1210         0              Normal
  02/14/2026 01 PM PST           33.06           1215         +              Normal
  02/14/2026 02 PM PST           33.06           1215         0              Normal
  02/14/2026 03 PM PST           33.06           1215         0              Normal
  02/14/2026 04 PM PST           33.06           1215         0              Normal
  02/14/2026 05 PM PST           33.06           1215         0              Normal
  02/14/2026 06 PM PST           33.05           1210         -              Normal
  02/14/2026 07 PM PST           33.06           1215         +              Normal
  02/14/2026 08 PM PST           33.05           1210         -              Normal
  02/14/2026 09 PM PST           33.06           1215         +              Normal
  02/14/2026 10 PM PST           33.05           1210         -              Normal
  02/14/2026 11 PM PST           33.06           1215         +              Normal
  02/15/2026 12 AM PST           33.05           1210         -              Normal
  02/15/2026 01 AM PST           33.05           1210         0              Normal
  02/15/2026 02 AM PST           33.06           1215         +              Normal
  02/15/2026 03 AM PST           33.05           1210         -              Normal
  02/15/2026 04 AM PST           33.05           1210         0              Normal
  02/15/2026 05 AM PST           33.06           1215         +              Normal
  02/15/2026 06 AM PST           33.06           1215         0              Normal
  02/15/2026 07 AM PST           33.06           1215         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/15/2026 08 AM PST           33.06           1215                        Normal
  02/15/2026 09 AM PST           33.06           1215         0              Normal
  02/15/2026 10 AM PST           33.06           1215         0              Normal
  02/15/2026 11 AM PST           33.07           1219         +              Normal
  02/15/2026 12 PM PST           33.07           1219         0              Normal
  02/15/2026 01 PM PST           33.07           1219         0              Normal
  02/15/2026 02 PM PST           33.07           1219         0              Normal
  02/15/2026 03 PM PST           33.07           1219         0              Normal
  02/15/2026 04 PM PST           33.07           1219         0              Normal
  02/15/2026 05 PM PST           33.07           1219         0              Normal
  02/15/2026 06 PM PST           33.07           1219         0              Normal
  02/15/2026 07 PM PST           33.07           1219         0              Normal
  02/15/2026 08 PM PST           33.07           1219         0              Normal
  02/15/2026 09 PM PST           33.07           1219         0              Normal
  02/15/2026 10 PM PST           33.07           1219         0              Normal
  02/15/2026 11 PM PST           33.07           1219         0              Normal
  02/16/2026 12 AM PST           33.07           1219         0              Normal
  02/16/2026 01 AM PST           33.07           1219         0              Normal
  02/16/2026 02 AM PST           33.07           1219         0              Normal
  02/16/2026 03 AM PST           33.07           1219         0              Normal
  02/16/2026 04 AM PST           33.07           1219         0              Normal
  02/16/2026 05 AM PST           33.07           1219         0              Normal
  02/16/2026 06 AM PST           33.07           1219         0              Normal
  02/16/2026 07 AM PST           33.07           1219         0              Normal
  02/16/2026 08 AM PST           33.07           1219         0              Normal
  02/16/2026 09 AM PST           33.07           1219         0              Normal
  02/16/2026 10 AM PST           33.07           1219         0              Normal
  02/16/2026 11 AM PST           33.07           1219         0              Normal
  02/16/2026 12 PM PST           33.07           1219         0              Normal
  02/16/2026 01 PM PST           33.07           1219         0              Normal
  02/16/2026 02 PM PST           33.07           1219         0              Normal
  02/16/2026 03 PM PST           33.07           1219         0              Normal
  02/16/2026 04 PM PST           33.06           1215         -              Normal
  02/16/2026 05 PM PST           33.06           1215         0              Normal
  02/16/2026 06 PM PST           33.06           1215         0              Normal
  02/16/2026 07 PM PST           33.06           1215         0              Normal
  02/16/2026 08 PM PST           33.06           1215         0              Normal
  02/16/2026 09 PM PST           33.06           1215         0              Normal
  02/16/2026 10 PM PST           33.06           1215         0              Normal
  02/16/2026 11 PM PST           33.06           1215         0              Normal
  02/17/2026 12 AM PST           33.05           1210         -              Normal
  02/17/2026 01 AM PST           33.05           1210         0              Normal
  02/17/2026 02 AM PST           33.05           1210         0              Normal
  02/17/2026 03 AM PST           33.05           1210         0              Normal
  02/17/2026 04 AM PST           33.05           1210         0              Normal
  02/17/2026 05 AM PST           33.05           1210         0              Normal
  02/17/2026 06 AM PST           33.05           1210         0              Normal
  02/17/2026 07 AM PST           33.05           1210         0              Normal
  02/17/2026 08 AM PST           33.05           1210         0              Normal
  02/17/2026 09 AM PST           33.04           1206         -              Normal
  02/17/2026 10 AM PST           33.04           1206         0              Normal
  02/17/2026 11 AM PST           33.04           1206         0              Normal
  02/17/2026 12 PM PST           33.04           1206         0              Normal
  02/17/2026 01 PM PST           33.04           1206         0              Normal
  02/17/2026 02 PM PST           33.04           1206         0              Normal
  02/17/2026 03 PM PST           33.04           1206         0              Normal
  02/17/2026 04 PM PST           33.04           1206         0              Normal
  02/17/2026 05 PM PST           33.05           1210         +              Normal
  02/17/2026 06 PM PST           33.05           1210         0              Normal
  02/17/2026 07 PM PST           33.05           1210         0              Normal
  02/17/2026 08 PM PST           33.06           1215         +              Normal
  02/17/2026 09 PM PST           33.07           1219         +              Normal
  02/17/2026 10 PM PST           33.08           1223         +              Normal
  02/17/2026 11 PM PST           33.10           1231         +              Normal
  02/18/2026 12 AM PST           33.11           1235         +              Normal
  02/18/2026 01 AM PST           33.13           1243         +              Normal
  02/18/2026 02 AM PST           33.15           1252         +              Normal
  02/18/2026 03 AM PST           33.17           1260         +              Normal
  02/18/2026 04 AM PST           33.20           1272         +              Normal
  02/18/2026 05 AM PST           33.22           1281         +              Normal
  02/18/2026 06 AM PST           33.25           1293         +              Normal
  02/18/2026 07 AM PST           33.28           1306         +              Normal
  02/18/2026 08 AM PST           33.31           1318         +              Normal
  02/18/2026 09 AM PST           33.34           1331         +              Normal
  02/18/2026 10 AM PST           33.36           1340         +              Normal
  02/18/2026 11 AM PST           33.39           1352         +              Normal
  02/18/2026 12 PM PST           33.42           1365         +              Normal
  02/18/2026 01 PM PST           33.45           1378         +              Normal
  02/18/2026 02 PM PST           33.47           1387         +              Normal
  02/18/2026 03 PM PST           33.50           1400         +              Normal
  02/18/2026 04 PM PST           33.53           1413         +              Normal
  02/18/2026 05 PM PST           33.55           1421         +              Normal
  02/18/2026 06 PM PST           33.59           1439         +              Normal
  02/18/2026 07 PM PST           33.62           1452         +              Normal
  02/18/2026 08 PM PST           33.66           1469         +              Normal
  02/18/2026 09 PM PST           33.71           1492         +              Normal
  02/18/2026 10 PM PST           33.76           1514         +              Normal
  02/18/2026 11 PM PST           33.81           1536         +              Normal
  02/19/2026 12 AM PST           33.87           1563         +              Normal
  02/19/2026 01 AM PST           33.93           1591         +              Normal
  02/19/2026 02 AM PST           33.99           1618         +              Normal
  02/19/2026 03 AM PST           34.05           1646         +              Normal
  02/19/2026 04 AM PST           34.10           1669         +              Normal
  02/19/2026 05 AM PST           34.16           1697         +              Normal
  02/19/2026 06 AM PST           34.21           1720         +              Normal
  02/19/2026 07 AM PST           34.26           1744         +              Normal
  02/19/2026 08 AM PST           34.30           1763         +              Normal
  02/19/2026 09 AM PST           34.34           1782         +              Normal
  02/19/2026 10 AM PST           34.38           1801         +              Normal
  02/19/2026 11 AM PST           34.41           1816         +              Normal
  02/19/2026 12 PM PST           34.45           1835         +              Normal
  02/19/2026 01 PM PST           34.48           1849         +              Normal
  02/19/2026 02 PM PST           34.51           1863         +              Normal
  02/19/2026 03 PM PST           34.54           1877         +              Normal
  02/19/2026 04 PM PST           34.57           1890         +              Normal
  02/19/2026 05 PM PST           34.59           1900         +              Normal
  02/19/2026 06 PM PST           34.62           1914         +              Normal
  02/19/2026 07 PM PST           34.64           1923         +              Normal
  02/19/2026 08 PM PST           34.66           1932         +              Normal
  02/19/2026 09 PM PST           34.68           1942         +              Normal
  02/19/2026 10 PM PST           34.70           1951         +              Normal
  02/19/2026 11 PM PST           34.73           1965         +              Normal
  02/20/2026 12 AM PST           34.75           1975         +              Normal
  02/20/2026 01 AM PST           34.77           1984         +              Normal
  02/20/2026 02 AM PST           34.79           1994         +              Normal
  02/20/2026 03 AM PST           34.81           2003         +              Normal
  02/20/2026 04 AM PST           34.83           2013         +              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.