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: Dec 04 2025 at 1:29 PM PSTNext Issuance: Dec 05 2025 at 9:00 AM PST
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:  12/04/2025 at 01:29 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/29/2025 at 10:00 PM PST
# Maximum Observed Stage:                       8.55 Feet
# Maximum Observed Flow:                        1344 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/04/2025 at 02:00 PM PST
# Maximum Forecast Stage:                       8.36 Feet
# Maximum Forecast Flow:                        1229 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/29/2025 01 PM PST            8.55           1344                        Normal
  11/29/2025 02 PM PST            8.55           1344         0              Normal
  11/29/2025 03 PM PST            8.55           1344         0              Normal
  11/29/2025 04 PM PST            8.55           1344         0              Normal
  11/29/2025 05 PM PST            8.54           1338         -              Normal
  11/29/2025 06 PM PST            8.55           1344         +              Normal
  11/29/2025 07 PM PST            8.54           1338         -              Normal
  11/29/2025 08 PM PST            8.55           1344         +              Normal
  11/29/2025 09 PM PST            8.55           1344         0              Normal
  11/29/2025 10 PM PST            8.55           1344         0              Normal
  11/29/2025 11 PM PST            8.54           1338         -              Normal
  11/30/2025 12 AM PST            8.54           1338         0              Normal
  11/30/2025 01 AM PST            8.54           1338         0              Normal
  11/30/2025 02 AM PST            8.53           1331         -              Normal
  11/30/2025 03 AM PST            8.53           1331         0              Normal
  11/30/2025 04 AM PST            8.53           1331         0              Normal
  11/30/2025 05 AM PST            8.53           1331         0              Normal
  11/30/2025 06 AM PST            8.53           1331         0              Normal
  11/30/2025 07 AM PST            8.52           1325         -              Normal
  11/30/2025 08 AM PST            8.52           1325         0              Normal
  11/30/2025 09 AM PST            8.52           1325         0              Normal
  11/30/2025 10 AM PST            8.52           1325         0              Normal
  11/30/2025 11 AM PST            8.52           1325         0              Normal
  11/30/2025 12 PM PST            8.51           1319         -              Normal
  11/30/2025 01 PM PST            8.51           1319         0              Normal
  11/30/2025 02 PM PST            8.50           1313         -              Normal
  11/30/2025 03 PM PST            8.51           1319         +              Normal
  11/30/2025 04 PM PST            8.50           1313         -              Normal
  11/30/2025 05 PM PST            8.50           1313         0              Normal
  11/30/2025 06 PM PST            8.50           1313         0              Normal
  11/30/2025 07 PM PST            8.50           1313         0              Normal
  11/30/2025 08 PM PST            8.49           1307         -              Normal
  11/30/2025 09 PM PST            8.50           1313         +              Normal
  11/30/2025 10 PM PST            8.49           1307         -              Normal
  11/30/2025 11 PM PST            8.49           1307         0              Normal
  12/01/2025 12 AM PST            8.48           1301         -              Normal
  12/01/2025 01 AM PST            8.49           1307         +              Normal
  12/01/2025 02 AM PST            8.48           1301         -              Normal
  12/01/2025 03 AM PST            8.47           1295         -              Normal
  12/01/2025 04 AM PST            8.47           1295         0              Normal
  12/01/2025 05 AM PST            8.48           1301         +              Normal
  12/01/2025 06 AM PST            8.47           1295         -              Normal
  12/01/2025 07 AM PST            8.46           1289         -              Normal
  12/01/2025 08 AM PST            8.44           1277         -              Normal
  12/01/2025 09 AM PST            8.47           1295         +              Normal
  12/01/2025 10 AM PST            8.46           1289         -              Normal
  12/01/2025 11 AM PST            8.46           1289         0              Normal
  12/01/2025 12 PM PST            8.47           1295         +              Normal
  12/01/2025 01 PM PST            8.47           1295         0              Normal
  12/01/2025 02 PM PST            8.46           1289         -              Normal
  12/01/2025 03 PM PST            8.46           1289         0              Normal
  12/01/2025 04 PM PST            8.46           1289         0              Normal
  12/01/2025 05 PM PST            8.45           1283         -              Normal
  12/01/2025 06 PM PST            8.45           1283         0              Normal
  12/01/2025 07 PM PST            8.45           1283         0              Normal
  12/01/2025 08 PM PST            8.44           1277         -              Normal
  12/01/2025 09 PM PST            8.44           1277         0              Normal
  12/01/2025 10 PM PST            8.44           1277         0              Normal
  12/01/2025 11 PM PST            8.43           1271         -              Normal
  12/02/2025 12 AM PST            8.43           1271         0              Normal
  12/02/2025 01 AM PST            8.43           1271         0              Normal
  12/02/2025 02 AM PST            8.43           1271         0              Normal
  12/02/2025 03 AM PST            8.43           1271         0              Normal
  12/02/2025 04 AM PST            8.42           1265         -              Normal
  12/02/2025 05 AM PST            8.42           1265         0              Normal
  12/02/2025 06 AM PST            8.42           1265         0              Normal
  12/02/2025 07 AM PST            8.42           1265         0              Normal
  12/02/2025 08 AM PST            8.42           1265         0              Normal
  12/02/2025 09 AM PST            8.41           1259         -              Normal
  12/02/2025 10 AM PST            8.41           1259         0              Normal
  12/02/2025 11 AM PST            8.41           1259         0              Normal
  12/02/2025 12 PM PST            8.41           1259         0              Normal
  12/02/2025 01 PM PST            8.41           1259         0              Normal
  12/02/2025 02 PM PST            8.40           1253         -              Normal
  12/02/2025 03 PM PST            8.40           1253         0              Normal
  12/02/2025 04 PM PST            8.40           1253         0              Normal
  12/02/2025 05 PM PST            8.40           1253         0              Normal
  12/02/2025 06 PM PST            8.40           1253         0              Normal
  12/02/2025 07 PM PST            8.39           1247         -              Normal
  12/02/2025 08 PM PST            8.40           1253         +              Normal
  12/02/2025 09 PM PST            8.39           1247         -              Normal
  12/02/2025 10 PM PST            8.38           1241         -              Normal
  12/02/2025 11 PM PST            8.38           1241         0              Normal
  12/03/2025 12 AM PST            8.39           1247         +              Normal
  12/03/2025 01 AM PST            8.38           1241         -              Normal
  12/03/2025 02 AM PST            8.37           1235         -              Normal
  12/03/2025 03 AM PST            8.37           1235         0              Normal
  12/03/2025 04 AM PST            8.37           1235         0              Normal
  12/03/2025 05 AM PST            8.37           1235         0              Normal
  12/03/2025 06 AM PST            8.37           1235         0              Normal
  12/03/2025 07 AM PST            8.37           1235         0              Normal
  12/03/2025 08 AM PST            8.37           1235         0              Normal
  12/03/2025 09 AM PST            8.36           1229         -              Normal
  12/03/2025 10 AM PST            8.36           1229         0              Normal
  12/03/2025 11 AM PST            8.36           1229         0              Normal
  12/03/2025 12 PM PST            8.36           1229         0              Normal
  12/03/2025 01 PM PST            8.36           1229         0              Normal
  12/03/2025 02 PM PST            8.37           1235         +              Normal
  12/03/2025 03 PM PST            8.37           1235         0              Normal
  12/03/2025 04 PM PST            8.37           1235         0              Normal
  12/03/2025 05 PM PST            8.37           1235         0              Normal
  12/03/2025 06 PM PST            8.37           1235         0              Normal
  12/03/2025 07 PM PST            8.37           1235         0              Normal
  12/03/2025 08 PM PST            8.37           1235         0              Normal
  12/03/2025 09 PM PST            8.37           1235         0              Normal
  12/03/2025 10 PM PST            8.37           1235         0              Normal
  12/03/2025 11 PM PST            8.38           1241         +              Normal
  12/04/2025 12 AM PST            8.38           1241         0              Normal
  12/04/2025 01 AM PST            8.38           1241         0              Normal
  12/04/2025 02 AM PST            8.38           1241         0              Normal
  12/04/2025 03 AM PST            8.38           1241         0              Normal
  12/04/2025 04 AM PST            8.38           1241         0              Normal
  12/04/2025 05 AM PST            8.38           1241         0              Normal
  12/04/2025 06 AM PST            8.38           1241         0              Normal
  12/04/2025 07 AM PST            8.38           1241         0              Normal
  12/04/2025 08 AM PST            8.37           1235         -              Normal
  12/04/2025 09 AM PST            8.37           1235         0              Normal
  12/04/2025 10 AM PST            8.37           1235         0              Normal
  12/04/2025 11 AM PST            8.37           1235         0              Normal
  12/04/2025 12 PM PST            8.37           1235         0              Normal
  12/04/2025 01 PM PST            8.37           1235         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/04/2025 02 PM PST            8.36           1229                        Normal
  12/04/2025 03 PM PST            8.36           1229         0              Normal
  12/04/2025 04 PM PST            8.36           1229         0              Normal
  12/04/2025 05 PM PST            8.36           1229         0              Normal
  12/04/2025 06 PM PST            8.36           1229         0              Normal
  12/04/2025 07 PM PST            8.35           1223         -              Normal
  12/04/2025 08 PM PST            8.35           1223         0              Normal
  12/04/2025 09 PM PST            8.35           1223         0              Normal
  12/04/2025 10 PM PST            8.35           1223         0              Normal
  12/04/2025 11 PM PST            8.35           1223         0              Normal
  12/05/2025 12 AM PST            8.35           1223         0              Normal
  12/05/2025 01 AM PST            8.34           1217         -              Normal
  12/05/2025 02 AM PST            8.34           1217         0              Normal
  12/05/2025 03 AM PST            8.34           1217         0              Normal
  12/05/2025 04 AM PST            8.34           1217         0              Normal
  12/05/2025 05 AM PST            8.34           1217         0              Normal
  12/05/2025 06 AM PST            8.34           1217         0              Normal
  12/05/2025 07 AM PST            8.33           1211         -              Normal
  12/05/2025 08 AM PST            8.33           1211         0              Normal
  12/05/2025 09 AM PST            8.33           1211         0              Normal
  12/05/2025 10 AM PST            8.33           1211         0              Normal
  12/05/2025 11 AM PST            8.33           1211         0              Normal
  12/05/2025 12 PM PST            8.33           1211         0              Normal
  12/05/2025 01 PM PST            8.33           1211         0              Normal
  12/05/2025 02 PM PST            8.32           1205         -              Normal
  12/05/2025 03 PM PST            8.32           1205         0              Normal
  12/05/2025 04 PM PST            8.32           1205         0              Normal
  12/05/2025 05 PM PST            8.32           1205         0              Normal
  12/05/2025 06 PM PST            8.32           1205         0              Normal
  12/05/2025 07 PM PST            8.32           1205         0              Normal
  12/05/2025 08 PM PST            8.32           1205         0              Normal
  12/05/2025 09 PM PST            8.32           1205         0              Normal
  12/05/2025 10 PM PST            8.32           1205         0              Normal
  12/05/2025 11 PM PST            8.32           1205         0              Normal
  12/06/2025 12 AM PST            8.32           1205         0              Normal
  12/06/2025 01 AM PST            8.31           1200         -              Normal
  12/06/2025 02 AM PST            8.31           1200         0              Normal
  12/06/2025 03 AM PST            8.31           1200         0              Normal
  12/06/2025 04 AM PST            8.31           1200         0              Normal
  12/06/2025 05 AM PST            8.31           1200         0              Normal
  12/06/2025 06 AM PST            8.31           1200         0              Normal
  12/06/2025 07 AM PST            8.31           1200         0              Normal
  12/06/2025 08 AM PST            8.31           1200         0              Normal
  12/06/2025 09 AM PST            8.31           1200         0              Normal
  12/06/2025 10 AM PST            8.31           1200         0              Normal
  12/06/2025 11 AM PST            8.31           1200         0              Normal
  12/06/2025 12 PM PST            8.31           1200         0              Normal
  12/06/2025 01 PM PST            8.31           1200         0              Normal
  12/06/2025 02 PM PST            8.31           1200         0              Normal
  12/06/2025 03 PM PST            8.31           1200         0              Normal
  12/06/2025 04 PM PST            8.31           1200         0              Normal
  12/06/2025 05 PM PST            8.31           1200         0              Normal
  12/06/2025 06 PM PST            8.30           1194         -              Normal
  12/06/2025 07 PM PST            8.30           1194         0              Normal
  12/06/2025 08 PM PST            8.30           1194         0              Normal
  12/06/2025 09 PM PST            8.30           1194         0              Normal
  12/06/2025 10 PM PST            8.30           1194         0              Normal
  12/06/2025 11 PM PST            8.30           1194         0              Normal
  12/07/2025 12 AM PST            8.30           1194         0              Normal
  12/07/2025 01 AM PST            8.30           1194         0              Normal
  12/07/2025 02 AM PST            8.30           1194         0              Normal
  12/07/2025 03 AM PST            8.30           1194         0              Normal
  12/07/2025 04 AM PST            8.30           1194         0              Normal
  12/07/2025 05 AM PST            8.30           1194         0              Normal
  12/07/2025 06 AM PST            8.30           1194         0              Normal
  12/07/2025 07 AM PST            8.30           1194         0              Normal
  12/07/2025 08 AM PST            8.29           1188         -              Normal
  12/07/2025 09 AM PST            8.29           1188         0              Normal
  12/07/2025 10 AM PST            8.29           1188         0              Normal
  12/07/2025 11 AM PST            8.29           1188         0              Normal
  12/07/2025 12 PM PST            8.29           1188         0              Normal
  12/07/2025 01 PM PST            8.29           1188         0              Normal
  12/07/2025 02 PM PST            8.29           1188         0              Normal
  12/07/2025 03 PM PST            8.29           1188         0              Normal
  12/07/2025 04 PM PST            8.29           1188         0              Normal
  12/07/2025 05 PM PST            8.29           1188         0              Normal
  12/07/2025 06 PM PST            8.29           1188         0              Normal
  12/07/2025 07 PM PST            8.29           1188         0              Normal
  12/07/2025 08 PM PST            8.28           1182         -              Normal
  12/07/2025 09 PM PST            8.28           1182         0              Normal
  12/07/2025 10 PM PST            8.28           1182         0              Normal
  12/07/2025 11 PM PST            8.28           1182         0              Normal
  12/08/2025 12 AM PST            8.28           1182         0              Normal
  12/08/2025 01 AM PST            8.28           1182         0              Normal
  12/08/2025 02 AM PST            8.28           1182         0              Normal
  12/08/2025 03 AM PST            8.28           1182         0              Normal
  12/08/2025 04 AM PST            8.28           1182         0              Normal
  12/08/2025 05 AM PST            8.28           1182         0              Normal
  12/08/2025 06 AM PST            8.27           1176         -              Normal
  12/08/2025 07 AM PST            8.27           1176         0              Normal
  12/08/2025 08 AM PST            8.27           1176         0              Normal
  12/08/2025 09 AM PST            8.27           1176         0              Normal
  12/08/2025 10 AM PST            8.27           1176         0              Normal
  12/08/2025 11 AM PST            8.27           1176         0              Normal
  12/08/2025 12 PM PST            8.27           1176         0              Normal
  12/08/2025 01 PM PST            8.27           1176         0              Normal
  12/08/2025 02 PM PST            8.26           1170         -              Normal
  12/08/2025 03 PM PST            8.26           1170         0              Normal
  12/08/2025 04 PM PST            8.26           1170         0              Normal
  12/08/2025 05 PM PST            8.26           1170         0              Normal
  12/08/2025 06 PM PST            8.26           1170         0              Normal
  12/08/2025 07 PM PST            8.26           1170         0              Normal
  12/08/2025 08 PM PST            8.26           1170         0              Normal
  12/08/2025 09 PM PST            8.26           1170         0              Normal
  12/08/2025 10 PM PST            8.26           1170         0              Normal
  12/08/2025 11 PM PST            8.25           1165         -              Normal
  12/09/2025 12 AM PST            8.25           1165         0              Normal
  12/09/2025 01 AM PST            8.25           1165         0              Normal
  12/09/2025 02 AM PST            8.25           1165         0              Normal
  12/09/2025 03 AM PST            8.25           1165         0              Normal
  12/09/2025 04 AM PST            8.25           1165         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.