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 - VERNALIS (VNSC1)
Latitude: 37.68º NLongitude: 121.27º WElevation: 35 Feet
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: May 31 2023 at 8:46 AM PDTNext Issuance: Jun 01 2023 at 9:00 AM PDT
Monitor Stage: 24.5 FeetFlood Stage: 29.0 FeetDanger Stage: 29.5 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time:  05/31/2023 at 08:48 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/30/2023 at 04:00 AM PDT
# Maximum Observed Stage:                       26.8 Feet
# Maximum Observed Flow:                        27673 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/01/2023 at 03:00 AM PDT
# Maximum Forecast Stage:                       26.8 Feet
# Maximum Forecast Flow:                        27725 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/26/2023 08 AM PDT            26.5          27051                 Above Monitor
  05/26/2023 09 AM PDT            26.5          27000         -       Above Monitor
  05/26/2023 10 AM PDT            26.5          27000         0       Above Monitor
  05/26/2023 11 AM PDT            26.5          27026         +       Above Monitor
  05/26/2023 12 PM PDT            26.5          27077         +       Above Monitor
  05/26/2023 01 PM PDT            26.5          27077         0       Above Monitor
  05/26/2023 02 PM PDT            26.5          26975         -       Above Monitor
  05/26/2023 03 PM PDT            26.5          27026         +       Above Monitor
  05/26/2023 04 PM PDT            26.5          27077         +       Above Monitor
  05/26/2023 05 PM PDT            26.5          26950         -       Above Monitor
  05/26/2023 06 PM PDT            26.6          27155         +       Above Monitor
  05/26/2023 07 PM PDT            26.6          27206         +       Above Monitor
  05/26/2023 08 PM PDT            26.5          27103         -       Above Monitor
  05/26/2023 09 PM PDT            26.5          26975         -       Above Monitor
  05/26/2023 10 PM PDT            26.6          27180         +       Above Monitor
  05/26/2023 11 PM PDT            26.5          27051         -       Above Monitor
  05/27/2023 12 AM PDT            26.6          27155         +       Above Monitor
  05/27/2023 01 AM PDT            26.6          27129         -       Above Monitor
  05/27/2023 02 AM PDT            26.6          27258         +       Above Monitor
  05/27/2023 03 AM PDT            26.6          27180         -       Above Monitor
  05/27/2023 04 AM PDT            26.5          27103         -       Above Monitor
  05/27/2023 05 AM PDT            26.6          27284         +       Above Monitor
  05/27/2023 06 AM PDT            26.6          27284         0       Above Monitor
  05/27/2023 07 AM PDT            26.6          27284         0       Above Monitor
  05/27/2023 08 AM PDT            26.6          27335         +       Above Monitor
  05/27/2023 09 AM PDT            26.6          27258         -       Above Monitor
  05/27/2023 10 AM PDT            26.6          27335         +       Above Monitor
  05/27/2023 11 AM PDT            26.6          27335         0       Above Monitor
  05/27/2023 12 PM PDT            26.6          27361         +       Above Monitor
  05/27/2023 01 PM PDT            26.6          27387         +       Above Monitor
  05/27/2023 02 PM PDT            26.6          27335         -       Above Monitor
  05/27/2023 03 PM PDT            26.6          27361         +       Above Monitor
  05/27/2023 04 PM PDT            26.7          27413         +       Above Monitor
  05/27/2023 05 PM PDT            26.6          27387         -       Above Monitor
  05/27/2023 06 PM PDT            26.6          27387         0       Above Monitor
  05/27/2023 07 PM PDT            26.7          27413         +       Above Monitor
  05/27/2023 08 PM PDT            26.6          27310         -       Above Monitor
  05/27/2023 09 PM PDT            26.6          27387         +       Above Monitor
  05/27/2023 10 PM PDT            26.6          27180         -       Above Monitor
  05/27/2023 11 PM PDT            26.7          27439         +       Above Monitor
  05/28/2023 12 AM PDT            26.7          27413         -       Above Monitor
  05/28/2023 01 AM PDT            26.7          27439         +       Above Monitor
  05/28/2023 02 AM PDT            26.7          27465         +       Above Monitor
  05/28/2023 03 AM PDT            26.7          27413         -       Above Monitor
  05/28/2023 04 AM PDT            26.7          27465         +       Above Monitor
  05/28/2023 05 AM PDT            26.7          27491         +       Above Monitor
  05/28/2023 06 AM PDT            26.6          27387         -       Above Monitor
  05/28/2023 07 AM PDT            26.7          27465         +       Above Monitor
  05/28/2023 08 AM PDT            26.7          27465         0       Above Monitor
  05/28/2023 09 AM PDT            26.7          27517         +       Above Monitor
  05/28/2023 10 AM PDT            26.7          27465         -       Above Monitor
  05/28/2023 11 AM PDT            26.7          27491         +       Above Monitor
  05/28/2023 12 PM PDT            26.7          27543         +       Above Monitor
  05/28/2023 01 PM PDT            26.7          27517         -       Above Monitor
  05/28/2023 02 PM PDT            26.7          27439         -       Above Monitor
  05/28/2023 03 PM PDT            26.7          27543         +       Above Monitor
  05/28/2023 04 PM PDT            26.7          27543         0       Above Monitor
  05/28/2023 05 PM PDT            26.7          27465         -       Above Monitor
  05/28/2023 06 PM PDT            26.6          27361         -       Above Monitor
  05/28/2023 07 PM PDT            26.7          27517         +       Above Monitor
  05/28/2023 08 PM PDT            26.7          27517         0       Above Monitor
  05/28/2023 09 PM PDT            26.7          27491         -       Above Monitor
  05/28/2023 10 PM PDT            26.7          27595         +       Above Monitor
  05/28/2023 11 PM PDT            26.7          27465         -       Above Monitor
  05/29/2023 12 AM PDT            26.7          27569         +       Above Monitor
  05/29/2023 01 AM PDT            26.7          27595         +       Above Monitor
  05/29/2023 02 AM PDT            26.7          27621         +       Above Monitor
  05/29/2023 03 AM PDT            26.7          27621         0       Above Monitor
  05/29/2023 04 AM PDT            26.7          27595         -       Above Monitor
  05/29/2023 05 AM PDT            26.8          27673         +       Above Monitor
  05/29/2023 06 AM PDT            26.7          27569         -       Above Monitor
  05/29/2023 07 AM PDT            26.7          27621         +       Above Monitor
  05/29/2023 08 AM PDT            26.8          27673         +       Above Monitor
  05/29/2023 09 AM PDT            26.7          27595         -       Above Monitor
  05/29/2023 10 AM PDT            26.7          27569         -       Above Monitor
  05/29/2023 11 AM PDT            26.7          27621         +       Above Monitor
  05/29/2023 12 PM PDT            26.7          27621         0       Above Monitor
  05/29/2023 01 PM PDT            26.7          27569         -       Above Monitor
  05/29/2023 02 PM PDT            26.7          27595         +       Above Monitor
  05/29/2023 03 PM PDT            26.7          27621         +       Above Monitor
  05/29/2023 04 PM PDT            26.7          27621         0       Above Monitor
  05/29/2023 05 PM PDT            26.8          27673         +       Above Monitor
  05/29/2023 06 PM PDT            26.7          27621         -       Above Monitor
  05/29/2023 07 PM PDT            26.8          27673         +       Above Monitor
  05/29/2023 08 PM PDT            26.8          27673         0       Above Monitor
  05/29/2023 09 PM PDT            26.7          27543         -       Above Monitor
  05/29/2023 10 PM PDT            26.8          27647         +       Above Monitor
  05/29/2023 11 PM PDT            26.8          27647         0       Above Monitor
  05/30/2023 12 AM PDT            26.8          27673         +       Above Monitor
  05/30/2023 01 AM PDT            26.8          27647         -       Above Monitor
  05/30/2023 02 AM PDT            26.7          27569         -       Above Monitor
  05/30/2023 03 AM PDT            26.8          27673         +       Above Monitor
  05/30/2023 04 AM PDT            26.8          27673         0       Above Monitor
  05/30/2023 05 AM PDT            26.7          27595         -       Above Monitor
  05/30/2023 06 AM PDT            26.7          27621         +       Above Monitor
  05/30/2023 07 AM PDT            26.7          27621         0       Above Monitor
  05/30/2023 08 AM PDT            26.7          27491         -       Above Monitor
  05/30/2023 09 AM PDT            26.7          27621         +       Above Monitor
  05/30/2023 10 AM PDT            26.7          27595         -       Above Monitor
  05/30/2023 11 AM PDT            26.7          27543         -       Above Monitor
  05/30/2023 12 PM PDT            26.7          27517         -       Above Monitor
  05/30/2023 01 PM PDT            26.8          27647         +       Above Monitor
  05/30/2023 02 PM PDT            26.7          27569         -       Above Monitor
  05/30/2023 03 PM PDT            26.7          27543         -       Above Monitor
  05/30/2023 04 PM PDT            26.7          27595         +       Above Monitor
  05/30/2023 05 PM PDT            26.7          27491         -       Above Monitor
  05/30/2023 06 PM PDT            26.7          27543         +       Above Monitor
  05/30/2023 07 PM PDT            26.6          27284         -       Above Monitor
  05/30/2023 08 PM PDT            26.8          27647         +       Above Monitor
  05/30/2023 09 PM PDT            26.7          27595         -       Above Monitor
  05/30/2023 10 PM PDT            26.7          27465         -       Above Monitor
  05/30/2023 11 PM PDT            26.7          27595         +       Above Monitor
  05/31/2023 12 AM PDT            26.7          27517         -       Above Monitor
  05/31/2023 01 AM PDT            26.7          27517         0       Above Monitor
  05/31/2023 02 AM PDT            26.7          27543         +       Above Monitor
  05/31/2023 03 AM PDT            26.7          27621         +       Above Monitor
  05/31/2023 04 AM PDT            26.7          27595         -       Above Monitor
  05/31/2023 05 AM PDT            26.8          27647         +       Above Monitor
  05/31/2023 06 AM PDT            26.8          27647         0       Above Monitor
  05/31/2023 07 AM PDT            26.8          27647         0       Above Monitor
  05/31/2023 08 AM PDT            26.8          27647         0       Above Monitor
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/31/2023 09 AM PDT            26.8          27647                 Above Monitor
  05/31/2023 10 AM PDT            26.8          27647         0       Above Monitor
  05/31/2023 11 AM PDT            26.8          27647         0       Above Monitor
  05/31/2023 12 PM PDT            26.8          27673         +       Above Monitor
  05/31/2023 01 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 02 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 03 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 04 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 05 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 06 PM PDT            26.8          27673         0       Above Monitor
  05/31/2023 07 PM PDT            26.8          27699         +       Above Monitor
  05/31/2023 08 PM PDT            26.8          27699         0       Above Monitor
  05/31/2023 09 PM PDT            26.8          27699         0       Above Monitor
  05/31/2023 10 PM PDT            26.8          27699         0       Above Monitor
  05/31/2023 11 PM PDT            26.8          27699         0       Above Monitor
  06/01/2023 12 AM PDT            26.8          27699         0       Above Monitor
  06/01/2023 01 AM PDT            26.8          27699         0       Above Monitor
  06/01/2023 02 AM PDT            26.8          27699         0       Above Monitor
  06/01/2023 03 AM PDT            26.8          27725         +       Above Monitor
  06/01/2023 04 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 05 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 06 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 07 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 08 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 09 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 10 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 11 AM PDT            26.8          27725         0       Above Monitor
  06/01/2023 12 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 01 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 02 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 03 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 04 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 05 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 06 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 07 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 08 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 09 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 10 PM PDT            26.8          27725         0       Above Monitor
  06/01/2023 11 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 12 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 01 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 02 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 03 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 04 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 05 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 06 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 07 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 08 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 09 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 10 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 11 AM PDT            26.8          27725         0       Above Monitor
  06/02/2023 12 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 01 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 02 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 03 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 04 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 05 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 06 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 07 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 08 PM PDT            26.8          27725         0       Above Monitor
  06/02/2023 09 PM PDT            26.8          27699         -       Above Monitor
  06/02/2023 10 PM PDT            26.8          27699         0       Above Monitor
  06/02/2023 11 PM PDT            26.8          27699         0       Above Monitor
  06/03/2023 12 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 01 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 02 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 03 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 04 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 05 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 06 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 07 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 08 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 09 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 10 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 11 AM PDT            26.8          27699         0       Above Monitor
  06/03/2023 12 PM PDT            26.8          27699         0       Above Monitor
  06/03/2023 01 PM PDT            26.8          27699         0       Above Monitor
  06/03/2023 02 PM PDT            26.8          27699         0       Above Monitor
  06/03/2023 03 PM PDT            26.8          27699         0       Above Monitor
  06/03/2023 04 PM PDT            26.8          27673         -       Above Monitor
  06/03/2023 05 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 06 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 07 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 08 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 09 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 10 PM PDT            26.8          27673         0       Above Monitor
  06/03/2023 11 PM PDT            26.8          27673         0       Above Monitor
  06/04/2023 12 AM PDT            26.8          27673         0       Above Monitor
  06/04/2023 01 AM PDT            26.8          27673         0       Above Monitor
  06/04/2023 02 AM PDT            26.8          27647         -       Above Monitor
  06/04/2023 03 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 04 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 05 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 06 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 07 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 08 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 09 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 10 AM PDT            26.8          27647         0       Above Monitor
  06/04/2023 11 AM PDT            26.7          27621         -       Above Monitor
  06/04/2023 12 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 01 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 02 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 03 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 04 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 05 PM PDT            26.7          27621         0       Above Monitor
  06/04/2023 06 PM PDT            26.7          27595         -       Above Monitor
  06/04/2023 07 PM PDT            26.7          27595         0       Above Monitor
  06/04/2023 08 PM PDT            26.7          27595         0       Above Monitor
  06/04/2023 09 PM PDT            26.7          27595         0       Above Monitor
  06/04/2023 10 PM PDT            26.7          27595         0       Above Monitor
  06/04/2023 11 PM PDT            26.7          27595         0       Above Monitor
  06/05/2023 12 AM PDT            26.7          27595         0       Above Monitor
  06/05/2023 01 AM PDT            26.7          27595         0       Above Monitor
  06/05/2023 02 AM PDT            26.7          27569         -       Above Monitor
  06/05/2023 03 AM PDT            26.7          27569         0       Above Monitor
  06/05/2023 04 AM PDT            26.7          27569         0       Above Monitor
  06/05/2023 05 AM PDT            26.7          27569         0       Above Monitor
#
# 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.