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SAN JOAQUIN RIVER - VERNALIS (VNSC1)
| Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | | Forecast Type: Official Location |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Jun 12 2026 at 7:27 AM PDT | Next Issuance: | Jun 13 2026 at 9:00 AM PDT
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| Action/Monitor: 24.5 Feet | Minor Flood: 29.0 Feet | Moderate Flood: 32.0 Feet | Major Flood: 37.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time: 06/12/2026 at 07:27 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/12/2026 at 07:00 AM PDT
# Maximum Observed Stage: 9.14 Feet
# Maximum Observed Flow: 1740 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/12/2026 at 09:00 PM PDT
# Maximum Forecast Stage: 9.15 Feet
# Maximum Forecast Flow: 1747 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/07/2026 07 AM PDT 9.01 1652 Normal
06/07/2026 08 AM PDT 9.00 1646 - Normal
06/07/2026 09 AM PDT 8.99 1639 - Normal
06/07/2026 10 AM PDT 8.96 1619 - Normal
06/07/2026 11 AM PDT 8.95 1612 - Normal
06/07/2026 12 PM PDT 8.95 1612 0 Normal
06/07/2026 01 PM PDT 8.96 1619 + Normal
06/07/2026 02 PM PDT 8.95 1612 - Normal
06/07/2026 03 PM PDT 8.93 1599 - Normal
06/07/2026 04 PM PDT 8.93 1599 0 Normal
06/07/2026 05 PM PDT 8.93 1599 0 Normal
06/07/2026 06 PM PDT 8.92 1592 - Normal
06/07/2026 07 PM PDT 8.92 1592 0 Normal
06/07/2026 08 PM PDT 8.94 1606 + Normal
06/07/2026 09 PM PDT 8.94 1606 0 Normal
06/07/2026 10 PM PDT 8.95 1612 + Normal
06/07/2026 11 PM PDT 8.96 1619 + Normal
06/08/2026 12 AM PDT 8.97 1626 + Normal
06/08/2026 01 AM PDT 8.98 1632 + Normal
06/08/2026 02 AM PDT 8.99 1639 + Normal
06/08/2026 03 AM PDT 9.00 1646 + Normal
06/08/2026 04 AM PDT 9.01 1652 + Normal
06/08/2026 05 AM PDT 9.02 1659 + Normal
06/08/2026 06 AM PDT 9.03 1666 + Normal
06/08/2026 07 AM PDT 9.03 1666 0 Normal
06/08/2026 08 AM PDT 9.04 1672 + Normal
06/08/2026 09 AM PDT 9.04 1672 0 Normal
06/08/2026 10 AM PDT 9.04 1672 0 Normal
06/08/2026 11 AM PDT 8.99 1639 - Normal
06/08/2026 12 PM PDT 8.97 1626 - Normal
06/08/2026 01 PM PDT 8.94 1606 - Normal
06/08/2026 02 PM PDT 8.92 1592 - Normal
06/08/2026 03 PM PDT 8.89 1573 - Normal
06/08/2026 04 PM PDT 8.85 1546 - Normal
06/08/2026 05 PM PDT 8.84 1540 - Normal
06/08/2026 06 PM PDT 8.81 1520 - Normal
06/08/2026 07 PM PDT 8.80 1514 - Normal
06/08/2026 08 PM PDT 8.78 1501 - Normal
06/08/2026 09 PM PDT 8.75 1482 - Normal
06/08/2026 10 PM PDT 8.75 1482 0 Normal
06/08/2026 11 PM PDT 8.75 1482 0 Normal
06/09/2026 12 AM PDT 8.73 1469 - Normal
06/09/2026 01 AM PDT 8.72 1463 - Normal
06/09/2026 02 AM PDT 8.73 1469 + Normal
06/09/2026 03 AM PDT 8.73 1469 0 Normal
06/09/2026 04 AM PDT 8.74 1475 + Normal
06/09/2026 05 AM PDT 8.76 1488 + Normal
06/09/2026 06 AM PDT 8.76 1488 0 Normal
06/09/2026 07 AM PDT 8.76 1488 0 Normal
06/09/2026 08 AM PDT 8.73 1469 - Normal
06/09/2026 09 AM PDT 8.71 1456 - Normal
06/09/2026 10 AM PDT 8.71 1456 0 Normal
06/09/2026 11 AM PDT 8.72 1463 + Normal
06/09/2026 12 PM PDT 8.71 1456 - Normal
06/09/2026 01 PM PDT 8.73 1469 + Normal
06/09/2026 02 PM PDT 8.73 1469 0 Normal
06/09/2026 03 PM PDT 8.74 1475 + Normal
06/09/2026 04 PM PDT 8.74 1475 0 Normal
06/09/2026 05 PM PDT 8.75 1482 + Normal
06/09/2026 06 PM PDT 8.77 1495 + Normal
06/09/2026 07 PM PDT 8.79 1508 + Normal
06/09/2026 08 PM PDT 8.82 1527 + Normal
06/09/2026 09 PM PDT 8.84 1540 + Normal
06/09/2026 10 PM PDT 8.86 1553 + Normal
06/09/2026 11 PM PDT 8.88 1566 + Normal
06/10/2026 12 AM PDT 8.90 1579 + Normal
06/10/2026 01 AM PDT 8.92 1592 + Normal
06/10/2026 02 AM PDT 8.95 1612 + Normal
06/10/2026 03 AM PDT 8.97 1626 + Normal
06/10/2026 04 AM PDT 8.99 1639 + Normal
06/10/2026 05 AM PDT 9.02 1659 + Normal
06/10/2026 06 AM PDT 9.04 1672 + Normal
06/10/2026 07 AM PDT 9.05 1679 + Normal
06/10/2026 08 AM PDT 9.04 1672 - Normal
06/10/2026 09 AM PDT 9.04 1672 0 Normal
06/10/2026 10 AM PDT 9.05 1679 + Normal
06/10/2026 11 AM PDT 9.04 1672 - Normal
06/10/2026 12 PM PDT 9.03 1666 - Normal
06/10/2026 01 PM PDT 9.02 1659 - Normal
06/10/2026 02 PM PDT 9.01 1652 - Normal
06/10/2026 03 PM PDT 8.99 1639 - Normal
06/10/2026 04 PM PDT 8.99 1639 0 Normal
06/10/2026 05 PM PDT 8.99 1639 0 Normal
06/10/2026 06 PM PDT 8.99 1639 0 Normal
06/10/2026 07 PM PDT 8.99 1639 0 Normal
06/10/2026 08 PM PDT 9.00 1646 + Normal
06/10/2026 09 PM PDT 9.00 1646 0 Normal
06/10/2026 10 PM PDT 8.99 1639 - Normal
06/10/2026 11 PM PDT 8.99 1639 0 Normal
06/11/2026 12 AM PDT 8.99 1639 0 Normal
06/11/2026 01 AM PDT 8.99 1639 0 Normal
06/11/2026 02 AM PDT 8.98 1632 - Normal
06/11/2026 03 AM PDT 9.00 1646 + Normal
06/11/2026 04 AM PDT 8.99 1639 - Normal
06/11/2026 05 AM PDT 9.00 1646 + Normal
06/11/2026 06 AM PDT 9.01 1652 + Normal
06/11/2026 07 AM PDT 9.01 1652 0 Normal
06/11/2026 08 AM PDT 8.99 1639 - Normal
06/11/2026 09 AM PDT 8.99 1639 0 Normal
06/11/2026 10 AM PDT 8.99 1639 0 Normal
06/11/2026 11 AM PDT 8.99 1639 0 Normal
06/11/2026 12 PM PDT 9.00 1646 + Normal
06/11/2026 01 PM PDT 9.02 1659 + Normal
06/11/2026 02 PM PDT 9.01 1652 - Normal
06/11/2026 03 PM PDT 9.03 1666 + Normal
06/11/2026 04 PM PDT 9.03 1666 0 Normal
06/11/2026 05 PM PDT 9.06 1686 + Normal
06/11/2026 06 PM PDT 9.06 1686 0 Normal
06/11/2026 07 PM PDT 9.09 1706 + Normal
06/11/2026 08 PM PDT 9.11 1720 + Normal
06/11/2026 09 PM PDT 9.12 1727 + Normal
06/11/2026 10 PM PDT 9.12 1727 0 Normal
06/11/2026 11 PM PDT 9.12 1727 0 Normal
06/12/2026 12 AM PDT 9.11 1720 - Normal
06/12/2026 01 AM PDT 9.12 1727 + Normal
06/12/2026 02 AM PDT 9.12 1727 0 Normal
06/12/2026 03 AM PDT 9.13 1734 + Normal
06/12/2026 04 AM PDT 9.14 1740 + Normal
06/12/2026 05 AM PDT 9.14 1740 0 Normal
06/12/2026 06 AM PDT 9.14 1740 0 Normal
06/12/2026 07 AM PDT 9.14 1740 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/12/2026 08 AM PDT 9.14 1740 Normal
06/12/2026 09 AM PDT 9.14 1740 0 Normal
06/12/2026 10 AM PDT 9.14 1740 0 Normal
06/12/2026 11 AM PDT 9.14 1740 0 Normal
06/12/2026 12 PM PDT 9.14 1740 0 Normal
06/12/2026 01 PM PDT 9.14 1740 0 Normal
06/12/2026 02 PM PDT 9.14 1740 0 Normal
06/12/2026 03 PM PDT 9.14 1740 0 Normal
06/12/2026 04 PM PDT 9.14 1740 0 Normal
06/12/2026 05 PM PDT 9.14 1740 0 Normal
06/12/2026 06 PM PDT 9.14 1740 0 Normal
06/12/2026 07 PM PDT 9.14 1740 0 Normal
06/12/2026 08 PM PDT 9.14 1740 0 Normal
06/12/2026 09 PM PDT 9.15 1747 + Normal
06/12/2026 10 PM PDT 9.15 1747 0 Normal
06/12/2026 11 PM PDT 9.15 1747 0 Normal
06/13/2026 12 AM PDT 9.15 1747 0 Normal
06/13/2026 01 AM PDT 9.15 1747 0 Normal
06/13/2026 02 AM PDT 9.15 1747 0 Normal
06/13/2026 03 AM PDT 9.15 1747 0 Normal
06/13/2026 04 AM PDT 9.15 1747 0 Normal
06/13/2026 05 AM PDT 9.14 1740 - Normal
06/13/2026 06 AM PDT 9.14 1740 0 Normal
06/13/2026 07 AM PDT 9.14 1740 0 Normal
06/13/2026 08 AM PDT 9.13 1734 - Normal
06/13/2026 09 AM PDT 9.12 1727 - Normal
06/13/2026 10 AM PDT 9.12 1727 0 Normal
06/13/2026 11 AM PDT 9.11 1720 - Normal
06/13/2026 12 PM PDT 9.10 1713 - Normal
06/13/2026 01 PM PDT 9.09 1706 - Normal
06/13/2026 02 PM PDT 9.07 1693 - Normal
06/13/2026 03 PM PDT 9.06 1686 - Normal
06/13/2026 04 PM PDT 9.04 1672 - Normal
06/13/2026 05 PM PDT 9.02 1659 - Normal
06/13/2026 06 PM PDT 9.01 1652 - Normal
06/13/2026 07 PM PDT 8.99 1639 - Normal
06/13/2026 08 PM PDT 8.96 1619 - Normal
06/13/2026 09 PM PDT 8.94 1606 - Normal
06/13/2026 10 PM PDT 8.92 1592 - Normal
06/13/2026 11 PM PDT 8.90 1579 - Normal
06/14/2026 12 AM PDT 8.88 1566 - Normal
06/14/2026 01 AM PDT 8.85 1546 - Normal
06/14/2026 02 AM PDT 8.83 1533 - Normal
06/14/2026 03 AM PDT 8.80 1514 - Normal
06/14/2026 04 AM PDT 8.78 1501 - Normal
06/14/2026 05 AM PDT 8.76 1488 - Normal
06/14/2026 06 AM PDT 8.73 1469 - Normal
06/14/2026 07 AM PDT 8.71 1456 - Normal
06/14/2026 08 AM PDT 8.68 1437 - Normal
06/14/2026 09 AM PDT 8.65 1418 - Normal
06/14/2026 10 AM PDT 8.62 1400 - Normal
06/14/2026 11 AM PDT 8.60 1387 - Normal
06/14/2026 12 PM PDT 8.57 1368 - Normal
06/14/2026 01 PM PDT 8.54 1350 - Normal
06/14/2026 02 PM PDT 8.51 1331 - Normal
06/14/2026 03 PM PDT 8.48 1313 - Normal
06/14/2026 04 PM PDT 8.46 1301 - Normal
06/14/2026 05 PM PDT 8.43 1283 - Normal
06/14/2026 06 PM PDT 8.40 1265 - Normal
06/14/2026 07 PM PDT 8.37 1247 - Normal
06/14/2026 08 PM PDT 8.35 1235 - Normal
06/14/2026 09 PM PDT 8.32 1217 - Normal
06/14/2026 10 PM PDT 8.29 1200 - Normal
06/14/2026 11 PM PDT 8.27 1188 - Normal
06/15/2026 12 AM PDT 8.24 1170 - Normal
06/15/2026 01 AM PDT 8.22 1159 - Normal
06/15/2026 02 AM PDT 8.20 1147 - Normal
06/15/2026 03 AM PDT 8.18 1136 - Normal
06/15/2026 04 AM PDT 8.16 1124 - Normal
06/15/2026 05 AM PDT 8.14 1113 - Normal
06/15/2026 06 AM PDT 8.12 1102 - Normal
06/15/2026 07 AM PDT 8.10 1090 - Normal
06/15/2026 08 AM PDT 8.08 1079 - Normal
06/15/2026 09 AM PDT 8.06 1068 - Normal
06/15/2026 10 AM PDT 8.04 1057 - Normal
06/15/2026 11 AM PDT 8.03 1051 - Normal
06/15/2026 12 PM PDT 8.01 1040 - Normal
06/15/2026 01 PM PDT 8.00 1035 - Normal
06/15/2026 02 PM PDT 7.99 1029 - Normal
06/15/2026 03 PM PDT 7.97 1018 - Normal
06/15/2026 04 PM PDT 7.96 1013 - Normal
06/15/2026 05 PM PDT 7.95 1007 - Normal
06/15/2026 06 PM PDT 7.94 1002 - Normal
06/15/2026 07 PM PDT 7.92 991 - Normal
06/15/2026 08 PM PDT 7.92 991 0 Normal
06/15/2026 09 PM PDT 7.91 986 - Normal
06/15/2026 10 PM PDT 7.90 980 - Normal
06/15/2026 11 PM PDT 7.89 975 - Normal
06/16/2026 12 AM PDT 7.88 970 - Normal
06/16/2026 01 AM PDT 7.87 964 - Normal
06/16/2026 02 AM PDT 7.87 964 0 Normal
06/16/2026 03 AM PDT 7.86 959 - Normal
06/16/2026 04 AM PDT 7.86 959 0 Normal
06/16/2026 05 AM PDT 7.86 959 0 Normal
06/16/2026 06 AM PDT 7.86 959 0 Normal
06/16/2026 07 AM PDT 7.87 964 + Normal
06/16/2026 08 AM PDT 7.88 970 + Normal
06/16/2026 09 AM PDT 7.89 975 + Normal
06/16/2026 10 AM PDT 7.91 986 + Normal
06/16/2026 11 AM PDT 7.93 997 + Normal
06/16/2026 12 PM PDT 7.96 1013 + Normal
06/16/2026 01 PM PDT 7.99 1029 + Normal
06/16/2026 02 PM PDT 8.02 1046 + Normal
06/16/2026 03 PM PDT 8.06 1068 + Normal
06/16/2026 04 PM PDT 8.10 1090 + Normal
06/16/2026 05 PM PDT 8.13 1107 + Normal
06/16/2026 06 PM PDT 8.17 1130 + Normal
06/16/2026 07 PM PDT 8.21 1153 + Normal
06/16/2026 08 PM PDT 8.25 1176 + Normal
06/16/2026 09 PM PDT 8.29 1200 + Normal
06/16/2026 10 PM PDT 8.33 1223 + Normal
06/16/2026 11 PM PDT 8.37 1247 + Normal
06/17/2026 12 AM PDT 8.41 1271 + Normal
06/17/2026 01 AM PDT 8.45 1295 + Normal
06/17/2026 02 AM PDT 8.49 1319 + Normal
06/17/2026 03 AM PDT 8.53 1344 + Normal
06/17/2026 04 AM PDT 8.56 1362 + Normal
06/17/2026 05 AM PDT 8.60 1387 + 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.
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