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 08 2025 at 8:12 AM PDTNext Issuance: May 09 2025 at 9:00 AM PDT
Action/Monitor: 24.5 FeetMinor Flood: 29.0 FeetModerate Flood: 32.0 FeetMajor Flood: 37.3 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time:  05/08/2025 at 08:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/04/2025 at 02:00 PM PDT
# Maximum Observed Stage:                       10.96 Feet
# Maximum Observed Flow:                        3113 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/12/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       10.81 Feet
# Maximum Forecast Flow:                        2982 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/03/2025 08 AM PDT           10.24           2507                        Normal
  05/03/2025 09 AM PDT           10.28           2539         +              Normal
  05/03/2025 10 AM PDT           10.32           2572         +              Normal
  05/03/2025 11 AM PDT           10.36           2604         +              Normal
  05/03/2025 12 PM PDT           10.39           2629         +              Normal
  05/03/2025 01 PM PDT           10.44           2670         +              Normal
  05/03/2025 02 PM PDT           10.46           2686         +              Normal
  05/03/2025 03 PM PDT           10.50           2719         +              Normal
  05/03/2025 04 PM PDT           10.53           2744         +              Normal
  05/03/2025 05 PM PDT           10.57           2778         +              Normal
  05/03/2025 06 PM PDT           10.60           2803         +              Normal
  05/03/2025 07 PM PDT           10.63           2828         +              Normal
  05/03/2025 08 PM PDT           10.65           2845         +              Normal
  05/03/2025 09 PM PDT           10.68           2871         +              Normal
  05/03/2025 10 PM PDT           10.72           2905         +              Normal
  05/03/2025 11 PM PDT           10.75           2930         +              Normal
  05/04/2025 12 AM PDT           10.78           2956         +              Normal
  05/04/2025 01 AM PDT           10.81           2982         +              Normal
  05/04/2025 02 AM PDT           10.83           2999         +              Normal
  05/04/2025 03 AM PDT           10.85           3017         +              Normal
  05/04/2025 04 AM PDT           10.87           3034         +              Normal
  05/04/2025 05 AM PDT           10.90           3060         +              Normal
  05/04/2025 06 AM PDT           10.91           3069         +              Normal
  05/04/2025 07 AM PDT           10.92           3078         +              Normal
  05/04/2025 08 AM PDT           10.93           3087         +              Normal
  05/04/2025 09 AM PDT           10.94           3095         +              Normal
  05/04/2025 10 AM PDT           10.94           3095         0              Normal
  05/04/2025 11 AM PDT           10.95           3104         +              Normal
  05/04/2025 12 PM PDT           10.96           3113         +              Normal
  05/04/2025 01 PM PDT           10.95           3104         -              Normal
  05/04/2025 02 PM PDT           10.96           3113         +              Normal
  05/04/2025 03 PM PDT           10.95           3104         -              Normal
  05/04/2025 04 PM PDT           10.95           3104         0              Normal
  05/04/2025 05 PM PDT           10.93           3087         -              Normal
  05/04/2025 06 PM PDT           10.91           3069         -              Normal
  05/04/2025 07 PM PDT           10.90           3060         -              Normal
  05/04/2025 08 PM PDT           10.87           3034         -              Normal
  05/04/2025 09 PM PDT           10.84           3008         -              Normal
  05/04/2025 10 PM PDT           10.82           2991         -              Normal
  05/04/2025 11 PM PDT           10.79           2965         -              Normal
  05/05/2025 12 AM PDT           10.78           2956         -              Normal
  05/05/2025 01 AM PDT           10.75           2930         -              Normal
  05/05/2025 02 AM PDT           10.73           2913         -              Normal
  05/05/2025 03 AM PDT           10.71           2896         -              Normal
  05/05/2025 04 AM PDT           10.69           2879         -              Normal
  05/05/2025 05 AM PDT           10.68           2871         -              Normal
  05/05/2025 06 AM PDT           10.66           2854         -              Normal
  05/05/2025 07 AM PDT           10.64           2837         -              Normal
  05/05/2025 08 AM PDT           10.62           2820         -              Normal
  05/05/2025 09 AM PDT           10.59           2795         -              Normal
  05/05/2025 10 AM PDT           10.57           2778         -              Normal
  05/05/2025 11 AM PDT           10.54           2753         -              Normal
  05/05/2025 12 PM PDT           10.50           2719         -              Normal
  05/05/2025 01 PM PDT           10.47           2695         -              Normal
  05/05/2025 02 PM PDT           10.45           2678         -              Normal
  05/05/2025 03 PM PDT           10.41           2645         -              Normal
  05/05/2025 04 PM PDT           10.38           2621         -              Normal
  05/05/2025 05 PM PDT           10.33           2580         -              Normal
  05/05/2025 06 PM PDT           10.32           2572         -              Normal
  05/05/2025 07 PM PDT           10.28           2539         -              Normal
  05/05/2025 08 PM PDT           10.26           2523         -              Normal
  05/05/2025 09 PM PDT           10.23           2499         -              Normal
  05/05/2025 10 PM PDT           10.22           2491         -              Normal
  05/05/2025 11 PM PDT           10.20           2475         -              Normal
  05/06/2025 12 AM PDT           10.17           2451         -              Normal
  05/06/2025 01 AM PDT           10.16           2443         -              Normal
  05/06/2025 02 AM PDT           10.14           2428         -              Normal
  05/06/2025 03 AM PDT           10.13           2420         -              Normal
  05/06/2025 04 AM PDT           10.13           2420         0              Normal
  05/06/2025 05 AM PDT           10.12           2412         -              Normal
  05/06/2025 06 AM PDT           10.11           2404         -              Normal
  05/06/2025 07 AM PDT           10.09           2388         -              Normal
  05/06/2025 08 AM PDT           10.06           2365         -              Normal
  05/06/2025 09 AM PDT           10.03           2341         -              Normal
  05/06/2025 10 AM PDT            9.99           2310         -              Normal
  05/06/2025 11 AM PDT            9.96           2287         -              Normal
  05/06/2025 12 PM PDT            9.93           2264         -              Normal
  05/06/2025 01 PM PDT            9.91           2249         -              Normal
  05/06/2025 02 PM PDT            9.89           2233         -              Normal
  05/06/2025 03 PM PDT            9.85           2203         -              Normal
  05/06/2025 04 PM PDT            9.81           2173         -              Normal
  05/06/2025 05 PM PDT            9.77           2143         -              Normal
  05/06/2025 06 PM PDT            9.72           2105         -              Normal
  05/06/2025 07 PM PDT            9.69           2083         -              Normal
  05/06/2025 08 PM PDT            9.66           2061         -              Normal
  05/06/2025 09 PM PDT            9.63           2039         -              Normal
  05/06/2025 10 PM PDT            9.60           2017         -              Normal
  05/06/2025 11 PM PDT            9.58           2002         -              Normal
  05/07/2025 12 AM PDT            9.56           1988         -              Normal
  05/07/2025 01 AM PDT            9.55           1980         -              Normal
  05/07/2025 02 AM PDT            9.54           1973         -              Normal
  05/07/2025 03 AM PDT            9.53           1966         -              Normal
  05/07/2025 04 AM PDT            9.52           1959         -              Normal
  05/07/2025 05 AM PDT            9.52           1959         0              Normal
  05/07/2025 06 AM PDT            9.51           1951         -              Normal
  05/07/2025 07 AM PDT            9.51           1951         0              Normal
  05/07/2025 08 AM PDT            9.50           1944         -              Normal
  05/07/2025 09 AM PDT            9.49           1937         -              Normal
  05/07/2025 10 AM PDT            9.47           1923         -              Normal
  05/07/2025 11 AM PDT            9.46           1916         -              Normal
  05/07/2025 12 PM PDT            9.43           1894         -              Normal
  05/07/2025 01 PM PDT            9.39           1866         -              Normal
  05/07/2025 02 PM PDT            9.38           1859         -              Normal
  05/07/2025 03 PM PDT            9.34           1831         -              Normal
  05/07/2025 04 PM PDT            9.32           1817         -              Normal
  05/07/2025 05 PM PDT            9.30           1803         -              Normal
  05/07/2025 06 PM PDT            9.28           1789         -              Normal
  05/07/2025 07 PM PDT            9.26           1775         -              Normal
  05/07/2025 08 PM PDT            9.24           1761         -              Normal
  05/07/2025 09 PM PDT            9.22           1747         -              Normal
  05/07/2025 10 PM PDT            9.20           1734         -              Normal
  05/07/2025 11 PM PDT            9.20           1734         0              Normal
  05/08/2025 12 AM PDT            9.19           1727         -              Normal
  05/08/2025 01 AM PDT            9.18           1720         -              Normal
  05/08/2025 02 AM PDT            9.18           1720         0              Normal
  05/08/2025 03 AM PDT            9.18           1720         0              Normal
  05/08/2025 04 AM PDT            9.19           1727         +              Normal
  05/08/2025 05 AM PDT            9.20           1734         +              Normal
  05/08/2025 06 AM PDT            9.19           1727         -              Normal
  05/08/2025 07 AM PDT            9.19           1727         0              Normal
  05/08/2025 08 AM PDT            9.18           1720         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/08/2025 09 AM PDT            9.17           1713                        Normal
  05/08/2025 10 AM PDT            9.16           1706         -              Normal
  05/08/2025 11 AM PDT            9.16           1706         0              Normal
  05/08/2025 12 PM PDT            9.15           1700         -              Normal
  05/08/2025 01 PM PDT            9.14           1693         -              Normal
  05/08/2025 02 PM PDT            9.14           1693         0              Normal
  05/08/2025 03 PM PDT            9.13           1686         -              Normal
  05/08/2025 04 PM PDT            9.13           1686         0              Normal
  05/08/2025 05 PM PDT            9.12           1679         -              Normal
  05/08/2025 06 PM PDT            9.12           1679         0              Normal
  05/08/2025 07 PM PDT            9.11           1672         -              Normal
  05/08/2025 08 PM PDT            9.11           1672         0              Normal
  05/08/2025 09 PM PDT            9.10           1666         -              Normal
  05/08/2025 10 PM PDT            9.10           1666         0              Normal
  05/08/2025 11 PM PDT            9.10           1666         0              Normal
  05/09/2025 12 AM PDT            9.10           1666         0              Normal
  05/09/2025 01 AM PDT            9.10           1666         0              Normal
  05/09/2025 02 AM PDT            9.10           1666         0              Normal
  05/09/2025 03 AM PDT            9.10           1666         0              Normal
  05/09/2025 04 AM PDT            9.11           1672         +              Normal
  05/09/2025 05 AM PDT            9.12           1679         +              Normal
  05/09/2025 06 AM PDT            9.12           1679         0              Normal
  05/09/2025 07 AM PDT            9.13           1686         +              Normal
  05/09/2025 08 AM PDT            9.14           1693         +              Normal
  05/09/2025 09 AM PDT            9.15           1700         +              Normal
  05/09/2025 10 AM PDT            9.17           1713         +              Normal
  05/09/2025 11 AM PDT            9.18           1720         +              Normal
  05/09/2025 12 PM PDT            9.19           1727         +              Normal
  05/09/2025 01 PM PDT            9.20           1734         +              Normal
  05/09/2025 02 PM PDT            9.22           1747         +              Normal
  05/09/2025 03 PM PDT            9.23           1754         +              Normal
  05/09/2025 04 PM PDT            9.25           1768         +              Normal
  05/09/2025 05 PM PDT            9.27           1782         +              Normal
  05/09/2025 06 PM PDT            9.29           1796         +              Normal
  05/09/2025 07 PM PDT            9.30           1803         +              Normal
  05/09/2025 08 PM PDT            9.32           1817         +              Normal
  05/09/2025 09 PM PDT            9.34           1831         +              Normal
  05/09/2025 10 PM PDT            9.36           1845         +              Normal
  05/09/2025 11 PM PDT            9.38           1859         +              Normal
  05/10/2025 12 AM PDT            9.40           1873         +              Normal
  05/10/2025 01 AM PDT            9.42           1887         +              Normal
  05/10/2025 02 AM PDT            9.44           1901         +              Normal
  05/10/2025 03 AM PDT            9.46           1916         +              Normal
  05/10/2025 04 AM PDT            9.48           1930         +              Normal
  05/10/2025 05 AM PDT            9.50           1944         +              Normal
  05/10/2025 06 AM PDT            9.52           1959         +              Normal
  05/10/2025 07 AM PDT            9.54           1973         +              Normal
  05/10/2025 08 AM PDT            9.56           1988         +              Normal
  05/10/2025 09 AM PDT            9.58           2002         +              Normal
  05/10/2025 10 AM PDT            9.60           2017         +              Normal
  05/10/2025 11 AM PDT            9.62           2031         +              Normal
  05/10/2025 12 PM PDT            9.64           2046         +              Normal
  05/10/2025 01 PM PDT            9.66           2061         +              Normal
  05/10/2025 02 PM PDT            9.69           2083         +              Normal
  05/10/2025 03 PM PDT            9.71           2098         +              Normal
  05/10/2025 04 PM PDT            9.73           2113         +              Normal
  05/10/2025 05 PM PDT            9.76           2135         +              Normal
  05/10/2025 06 PM PDT            9.78           2150         +              Normal
  05/10/2025 07 PM PDT            9.81           2173         +              Normal
  05/10/2025 08 PM PDT            9.84           2195         +              Normal
  05/10/2025 09 PM PDT            9.87           2218         +              Normal
  05/10/2025 10 PM PDT            9.90           2241         +              Normal
  05/10/2025 11 PM PDT            9.93           2264         +              Normal
  05/11/2025 12 AM PDT            9.96           2287         +              Normal
  05/11/2025 01 AM PDT           10.00           2318         +              Normal
  05/11/2025 02 AM PDT           10.03           2341         +              Normal
  05/11/2025 03 AM PDT           10.07           2373         +              Normal
  05/11/2025 04 AM PDT           10.11           2404         +              Normal
  05/11/2025 05 AM PDT           10.14           2428         +              Normal
  05/11/2025 06 AM PDT           10.18           2459         +              Normal
  05/11/2025 07 AM PDT           10.21           2483         +              Normal
  05/11/2025 08 AM PDT           10.25           2515         +              Normal
  05/11/2025 09 AM PDT           10.28           2539         +              Normal
  05/11/2025 10 AM PDT           10.32           2572         +              Normal
  05/11/2025 11 AM PDT           10.35           2596         +              Normal
  05/11/2025 12 PM PDT           10.38           2621         +              Normal
  05/11/2025 01 PM PDT           10.41           2645         +              Normal
  05/11/2025 02 PM PDT           10.44           2670         +              Normal
  05/11/2025 03 PM PDT           10.47           2695         +              Normal
  05/11/2025 04 PM PDT           10.49           2711         +              Normal
  05/11/2025 05 PM PDT           10.52           2736         +              Normal
  05/11/2025 06 PM PDT           10.55           2761         +              Normal
  05/11/2025 07 PM PDT           10.57           2778         +              Normal
  05/11/2025 08 PM PDT           10.60           2803         +              Normal
  05/11/2025 09 PM PDT           10.62           2820         +              Normal
  05/11/2025 10 PM PDT           10.65           2845         +              Normal
  05/11/2025 11 PM PDT           10.67           2862         +              Normal
  05/12/2025 12 AM PDT           10.69           2879         +              Normal
  05/12/2025 01 AM PDT           10.71           2896         +              Normal
  05/12/2025 02 AM PDT           10.72           2905         +              Normal
  05/12/2025 03 AM PDT           10.74           2922         +              Normal
  05/12/2025 04 AM PDT           10.76           2939         +              Normal
  05/12/2025 05 AM PDT           10.77           2948         +              Normal
  05/12/2025 06 AM PDT           10.78           2956         +              Normal
  05/12/2025 07 AM PDT           10.79           2965         +              Normal
  05/12/2025 08 AM PDT           10.80           2973         +              Normal
  05/12/2025 09 AM PDT           10.81           2982         +              Normal
  05/12/2025 10 AM PDT           10.81           2982         0              Normal
  05/12/2025 11 AM PDT           10.81           2982         0              Normal
  05/12/2025 12 PM PDT           10.81           2982         0              Normal
  05/12/2025 01 PM PDT           10.81           2982         0              Normal
  05/12/2025 02 PM PDT           10.81           2982         0              Normal
  05/12/2025 03 PM PDT           10.81           2982         0              Normal
  05/12/2025 04 PM PDT           10.81           2982         0              Normal
  05/12/2025 05 PM PDT           10.80           2973         -              Normal
  05/12/2025 06 PM PDT           10.80           2973         0              Normal
  05/12/2025 07 PM PDT           10.79           2965         -              Normal
  05/12/2025 08 PM PDT           10.79           2965         0              Normal
  05/12/2025 09 PM PDT           10.78           2956         -              Normal
  05/12/2025 10 PM PDT           10.77           2948         -              Normal
  05/12/2025 11 PM PDT           10.77           2948         0              Normal
  05/13/2025 12 AM PDT           10.76           2939         -              Normal
  05/13/2025 01 AM PDT           10.75           2930         -              Normal
  05/13/2025 02 AM PDT           10.74           2922         -              Normal
  05/13/2025 03 AM PDT           10.72           2905         -              Normal
  05/13/2025 04 AM PDT           10.71           2896         -              Normal
  05/13/2025 05 AM PDT           10.70           2888         -              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.