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 Feet
Location: Stanislaus County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 09 2023 at 8:36 AM PSTNext Issuance: Dec 10 2023 at 9:00 AM PST
Monitor Stage: 48.0 FeetFlood Stage: 54.7 FeetDanger Stage: 55.7 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time:  12/09/2023 at 08:36 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/06/2023 at 01:00 PM PST
# Maximum Observed Stage:                       32.6 Feet
# Maximum Observed Flow:                        753 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/09/2023 at 09:00 AM PST
# Maximum Forecast Stage:                       32.3 Feet
# Maximum Forecast Flow:                        640 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/04/2023 08 AM PST            32.4            670                        Normal
  12/04/2023 09 AM PST            32.4            674         +              Normal
  12/04/2023 10 AM PST            32.4            659         -              Normal
  12/04/2023 11 AM PST            32.4            682         +              Normal
  12/04/2023 12 PM PST            32.4            689         +              Normal
  12/04/2023 01 PM PST            32.5            701         +              Normal
  12/04/2023 02 PM PST            32.4            693         -              Normal
  12/04/2023 03 PM PST            32.5            705         +              Normal
  12/04/2023 04 PM PST            32.5            705         0              Normal
  12/04/2023 05 PM PST            32.5            701         -              Normal
  12/04/2023 06 PM PST            32.5            701         0              Normal
  12/04/2023 07 PM PST            32.5            697         -              Normal
  12/04/2023 08 PM PST            32.5            705         +              Normal
  12/04/2023 09 PM PST            32.5            705         0              Normal
  12/04/2023 10 PM PST            32.5            709         +              Normal
  12/04/2023 11 PM PST            32.5            705         -              Normal
  12/05/2023 12 AM PST            32.5            709         +              Normal
  12/05/2023 01 AM PST            32.5            713         +              Normal
  12/05/2023 02 AM PST            32.5            709         -              Normal
  12/05/2023 03 AM PST            32.5            717         +              Normal
  12/05/2023 04 AM PST            32.5            717         0              Normal
  12/05/2023 05 AM PST            32.5            705         -              Normal
  12/05/2023 06 AM PST            32.5            713         +              Normal
  12/05/2023 07 AM PST            32.5            725         +              Normal
  12/05/2023 08 AM PST            32.5            721         -              Normal
  12/05/2023 09 AM PST            32.5            713         -              Normal
  12/05/2023 10 AM PST            32.5            713         0              Normal
  12/05/2023 11 AM PST            32.5            725         +              Normal
  12/05/2023 12 PM PST            32.5            733         +              Normal
  12/05/2023 01 PM PST            32.5            725         -              Normal
  12/05/2023 02 PM PST            32.5            737         +              Normal
  12/05/2023 03 PM PST            32.6            749         +              Normal
  12/05/2023 04 PM PST            32.6            741         -              Normal
  12/05/2023 05 PM PST            32.6            741         0              Normal
  12/05/2023 06 PM PST            32.6            741         0              Normal
  12/05/2023 07 PM PST            32.5            733         -              Normal
  12/05/2023 08 PM PST            32.5            729         -              Normal
  12/05/2023 09 PM PST            32.5            729         0              Normal
  12/05/2023 10 PM PST            32.5            733         +              Normal
  12/05/2023 11 PM PST            32.5            721         -              Normal
  12/06/2023 12 AM PST            32.5            733         +              Normal
  12/06/2023 01 AM PST            32.5            733         0              Normal
  12/06/2023 02 AM PST            32.5            733         0              Normal
  12/06/2023 03 AM PST            32.5            729         -              Normal
  12/06/2023 04 AM PST            32.5            729         0              Normal
  12/06/2023 05 AM PST            32.5            729         0              Normal
  12/06/2023 06 AM PST            32.5            717         -              Normal
  12/06/2023 07 AM PST            32.5            733         +              Normal
  12/06/2023 08 AM PST            32.5            729         -              Normal
  12/06/2023 09 AM PST            32.5            737         +              Normal
  12/06/2023 10 AM PST            32.5            737         0              Normal
  12/06/2023 11 AM PST            32.6            749         +              Normal
  12/06/2023 12 PM PST            32.6            753         +              Normal
  12/06/2023 01 PM PST            32.6            753         0              Normal
  12/06/2023 02 PM PST            32.6            745         -              Normal
  12/06/2023 03 PM PST            32.6            745         0              Normal
  12/06/2023 04 PM PST            32.5            729         -              Normal
  12/06/2023 05 PM PST            32.5            729         0              Normal
  12/06/2023 06 PM PST            32.5            733         +              Normal
  12/06/2023 07 PM PST            32.5            717         -              Normal
  12/06/2023 08 PM PST            32.5            733         +              Normal
  12/06/2023 09 PM PST            32.5            717         -              Normal
  12/06/2023 10 PM PST            32.5            721         +              Normal
  12/06/2023 11 PM PST            32.5            713         -              Normal
  12/07/2023 12 AM PST            32.5            713         0              Normal
  12/07/2023 01 AM PST            32.5            709         -              Normal
  12/07/2023 02 AM PST            32.5            713         +              Normal
  12/07/2023 03 AM PST            32.5            705         -              Normal
  12/07/2023 04 AM PST            32.5            705         0              Normal
  12/07/2023 05 AM PST            32.5            705         0              Normal
  12/07/2023 06 AM PST            32.5            705         0              Normal
  12/07/2023 07 AM PST            32.5            705         0              Normal
  12/07/2023 08 AM PST            32.4            685         -              Normal
  12/07/2023 09 AM PST            32.5            701         +              Normal
  12/07/2023 10 AM PST            32.4            682         -              Normal
  12/07/2023 11 AM PST            32.5            697         +              Normal
  12/07/2023 12 PM PST            32.5            697         0              Normal
  12/07/2023 01 PM PST            32.4            693         -              Normal
  12/07/2023 02 PM PST            32.5            697         +              Normal
  12/07/2023 03 PM PST            32.4            689         -              Normal
  12/07/2023 04 PM PST            32.4            689         0              Normal
  12/07/2023 05 PM PST            32.4            685         -              Normal
  12/07/2023 06 PM PST            32.4            678         -              Normal
  12/07/2023 07 PM PST            32.4            674         -              Normal
  12/07/2023 08 PM PST            32.4            682         +              Normal
  12/07/2023 09 PM PST            32.4            685         +              Normal
  12/07/2023 10 PM PST            32.4            682         -              Normal
  12/07/2023 11 PM PST            32.4            678         -              Normal
  12/08/2023 12 AM PST            32.4            674         -              Normal
  12/08/2023 01 AM PST            32.4            682         +              Normal
  12/08/2023 02 AM PST            32.4            689         +              Normal
  12/08/2023 03 AM PST            32.4            685         -              Normal
  12/08/2023 04 AM PST            32.4            685         0              Normal
  12/08/2023 05 AM PST            32.4            685         0              Normal
  12/08/2023 06 AM PST            32.4            693         +              Normal
  12/08/2023 07 AM PST            32.4            689         -              Normal
  12/08/2023 08 AM PST            32.4            674         -              Normal
  12/08/2023 09 AM PST            32.4            685         +              Normal
  12/08/2023 10 AM PST            32.4            674         -              Normal
  12/08/2023 11 AM PST            32.4            674         0              Normal
  12/08/2023 12 PM PST            32.4            685         +              Normal
  12/08/2023 01 PM PST            32.4            682         -              Normal
  12/08/2023 02 PM PST            32.4            663         -              Normal
  12/08/2023 03 PM PST            32.4            666         +              Normal
  12/08/2023 04 PM PST            32.4            659         -              Normal
  12/08/2023 05 PM PST            32.4            659         0              Normal
  12/08/2023 06 PM PST            32.4            663         +              Normal
  12/08/2023 07 PM PST            32.4            663         0              Normal
  12/08/2023 08 PM PST            32.4            663         0              Normal
  12/08/2023 09 PM PST            32.4            670         +              Normal
  12/08/2023 10 PM PST            32.4            659         -              Normal
  12/08/2023 11 PM PST            32.4            659         0              Normal
  12/09/2023 12 AM PST            32.4            659         0              Normal
  12/09/2023 01 AM PST            32.3            655         -              Normal
  12/09/2023 02 AM PST            32.3            651         -              Normal
  12/09/2023 03 AM PST            32.3            651         0              Normal
  12/09/2023 04 AM PST            32.3            644         -              Normal
  12/09/2023 05 AM PST            32.3            644         0              Normal
  12/09/2023 06 AM PST            32.3            644         0              Normal
  12/09/2023 07 AM PST            32.3            640         -              Normal
  12/09/2023 08 AM PST            32.3            640         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/09/2023 09 AM PST            32.3            640                        Normal
  12/09/2023 10 AM PST            32.3            640         0              Normal
  12/09/2023 11 AM PST            32.3            636         -              Normal
  12/09/2023 12 PM PST            32.3            636         0              Normal
  12/09/2023 01 PM PST            32.3            636         0              Normal
  12/09/2023 02 PM PST            32.3            633         -              Normal
  12/09/2023 03 PM PST            32.3            633         0              Normal
  12/09/2023 04 PM PST            32.3            633         0              Normal
  12/09/2023 05 PM PST            32.3            629         -              Normal
  12/09/2023 06 PM PST            32.3            629         0              Normal
  12/09/2023 07 PM PST            32.3            629         0              Normal
  12/09/2023 08 PM PST            32.3            629         0              Normal
  12/09/2023 09 PM PST            32.3            625         -              Normal
  12/09/2023 10 PM PST            32.3            625         0              Normal
  12/09/2023 11 PM PST            32.3            625         0              Normal
  12/10/2023 12 AM PST            32.3            625         0              Normal
  12/10/2023 01 AM PST            32.2            622         -              Normal
  12/10/2023 02 AM PST            32.2            622         0              Normal
  12/10/2023 03 AM PST            32.2            622         0              Normal
  12/10/2023 04 AM PST            32.2            622         0              Normal
  12/10/2023 05 AM PST            32.2            618         -              Normal
  12/10/2023 06 AM PST            32.2            618         0              Normal
  12/10/2023 07 AM PST            32.2            618         0              Normal
  12/10/2023 08 AM PST            32.2            618         0              Normal
  12/10/2023 09 AM PST            32.2            614         -              Normal
  12/10/2023 10 AM PST            32.2            614         0              Normal
  12/10/2023 11 AM PST            32.2            614         0              Normal
  12/10/2023 12 PM PST            32.2            614         0              Normal
  12/10/2023 01 PM PST            32.2            614         0              Normal
  12/10/2023 02 PM PST            32.2            614         0              Normal
  12/10/2023 03 PM PST            32.2            611         -              Normal
  12/10/2023 04 PM PST            32.2            611         0              Normal
  12/10/2023 05 PM PST            32.2            611         0              Normal
  12/10/2023 06 PM PST            32.2            611         0              Normal
  12/10/2023 07 PM PST            32.2            611         0              Normal
  12/10/2023 08 PM PST            32.2            611         0              Normal
  12/10/2023 09 PM PST            32.2            611         0              Normal
  12/10/2023 10 PM PST            32.2            607         -              Normal
  12/10/2023 11 PM PST            32.2            607         0              Normal
  12/11/2023 12 AM PST            32.2            607         0              Normal
  12/11/2023 01 AM PST            32.2            607         0              Normal
  12/11/2023 02 AM PST            32.2            607         0              Normal
  12/11/2023 03 AM PST            32.2            607         0              Normal
  12/11/2023 04 AM PST            32.2            607         0              Normal
  12/11/2023 05 AM PST            32.2            607         0              Normal
  12/11/2023 06 AM PST            32.2            607         0              Normal
  12/11/2023 07 AM PST            32.2            607         0              Normal
  12/11/2023 08 AM PST            32.2            607         0              Normal
  12/11/2023 09 AM PST            32.2            607         0              Normal
  12/11/2023 10 AM PST            32.2            607         0              Normal
  12/11/2023 11 AM PST            32.2            607         0              Normal
  12/11/2023 12 PM PST            32.2            607         0              Normal
  12/11/2023 01 PM PST            32.2            607         0              Normal
  12/11/2023 02 PM PST            32.2            607         0              Normal
  12/11/2023 03 PM PST            32.2            607         0              Normal
  12/11/2023 04 PM PST            32.2            607         0              Normal
  12/11/2023 05 PM PST            32.2            607         0              Normal
  12/11/2023 06 PM PST            32.2            607         0              Normal
  12/11/2023 07 PM PST            32.2            607         0              Normal
  12/11/2023 08 PM PST            32.2            607         0              Normal
  12/11/2023 09 PM PST            32.2            607         0              Normal
  12/11/2023 10 PM PST            32.2            607         0              Normal
  12/11/2023 11 PM PST            32.2            607         0              Normal
  12/12/2023 12 AM PST            32.2            607         0              Normal
  12/12/2023 01 AM PST            32.2            607         0              Normal
  12/12/2023 02 AM PST            32.2            607         0              Normal
  12/12/2023 03 AM PST            32.2            607         0              Normal
  12/12/2023 04 AM PST            32.2            607         0              Normal
  12/12/2023 05 AM PST            32.2            607         0              Normal
  12/12/2023 06 AM PST            32.2            607         0              Normal
  12/12/2023 07 AM PST            32.2            607         0              Normal
  12/12/2023 08 AM PST            32.2            607         0              Normal
  12/12/2023 09 AM PST            32.2            607         0              Normal
  12/12/2023 10 AM PST            32.2            607         0              Normal
  12/12/2023 11 AM PST            32.2            607         0              Normal
  12/12/2023 12 PM PST            32.2            607         0              Normal
  12/12/2023 01 PM PST            32.2            607         0              Normal
  12/12/2023 02 PM PST            32.2            607         0              Normal
  12/12/2023 03 PM PST            32.2            607         0              Normal
  12/12/2023 04 PM PST            32.2            607         0              Normal
  12/12/2023 05 PM PST            32.2            611         +              Normal
  12/12/2023 06 PM PST            32.2            611         0              Normal
  12/12/2023 07 PM PST            32.2            611         0              Normal
  12/12/2023 08 PM PST            32.2            611         0              Normal
  12/12/2023 09 PM PST            32.2            611         0              Normal
  12/12/2023 10 PM PST            32.2            611         0              Normal
  12/12/2023 11 PM PST            32.2            611         0              Normal
  12/13/2023 12 AM PST            32.2            611         0              Normal
  12/13/2023 01 AM PST            32.2            611         0              Normal
  12/13/2023 02 AM PST            32.2            614         +              Normal
  12/13/2023 03 AM PST            32.2            614         0              Normal
  12/13/2023 04 AM PST            32.2            614         0              Normal
  12/13/2023 05 AM PST            32.2            614         0              Normal
  12/13/2023 06 AM PST            32.2            614         0              Normal
  12/13/2023 07 AM PST            32.2            614         0              Normal
  12/13/2023 08 AM PST            32.2            618         +              Normal
  12/13/2023 09 AM PST            32.2            618         0              Normal
  12/13/2023 10 AM PST            32.2            618         0              Normal
  12/13/2023 11 AM PST            32.2            618         0              Normal
  12/13/2023 12 PM PST            32.2            618         0              Normal
  12/13/2023 01 PM PST            32.2            618         0              Normal
  12/13/2023 02 PM PST            32.2            622         +              Normal
  12/13/2023 03 PM PST            32.2            622         0              Normal
  12/13/2023 04 PM PST            32.2            622         0              Normal
  12/13/2023 05 PM PST            32.2            622         0              Normal
  12/13/2023 06 PM PST            32.3            625         +              Normal
  12/13/2023 07 PM PST            32.3            625         0              Normal
  12/13/2023 08 PM PST            32.3            625         0              Normal
  12/13/2023 09 PM PST            32.3            629         +              Normal
  12/13/2023 10 PM PST            32.3            629         0              Normal
  12/13/2023 11 PM PST            32.3            629         0              Normal
  12/14/2023 12 AM PST            32.3            629         0              Normal
  12/14/2023 01 AM PST            32.3            633         +              Normal
  12/14/2023 02 AM PST            32.3            633         0              Normal
  12/14/2023 03 AM PST            32.3            633         0              Normal
  12/14/2023 04 AM PST            32.3            636         +              Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.