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SAN JOAQUIN RIVER - VERNALIS (VNSC1)
| Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | | | |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Jul 20 2025 at 7:08 AM PDT | Next Issuance: | Jul 21 2025 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: 07/20/2025 at 07:08 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/20/2025 at 06:00 AM PDT
# Maximum Observed Stage: 7.04 Feet
# Maximum Observed Flow: 537 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/22/2025 at 02:00 PM PDT
# Maximum Forecast Stage: 7.14 Feet
# Maximum Forecast Flow: 579 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/15/2025 07 AM PDT 6.93 492 Normal
07/15/2025 08 AM PDT 6.93 492 0 Normal
07/15/2025 09 AM PDT 6.92 488 - Normal
07/15/2025 10 AM PDT 6.94 496 + Normal
07/15/2025 11 AM PDT 6.95 500 + Normal
07/15/2025 12 PM PDT 6.97 508 + Normal
07/15/2025 01 PM PDT 6.99 516 + Normal
07/15/2025 02 PM PDT 7.00 520 + Normal
07/15/2025 03 PM PDT 7.00 520 0 Normal
07/15/2025 04 PM PDT 6.99 516 - Normal
07/15/2025 05 PM PDT 6.98 512 - Normal
07/15/2025 06 PM PDT 6.97 508 - Normal
07/15/2025 07 PM PDT 6.96 504 - Normal
07/15/2025 08 PM PDT 6.95 500 - Normal
07/15/2025 09 PM PDT 6.94 496 - Normal
07/15/2025 10 PM PDT 6.93 492 - Normal
07/15/2025 11 PM PDT 6.93 492 0 Normal
07/16/2025 12 AM PDT 6.93 492 0 Normal
07/16/2025 01 AM PDT 6.93 492 0 Normal
07/16/2025 02 AM PDT 6.93 492 0 Normal
07/16/2025 03 AM PDT 6.94 496 + Normal
07/16/2025 04 AM PDT 6.95 500 + Normal
07/16/2025 05 AM PDT 6.96 504 + Normal
07/16/2025 06 AM PDT 6.97 508 + Normal
07/16/2025 07 AM PDT 6.98 512 + Normal
07/16/2025 08 AM PDT 6.99 516 + Normal
07/16/2025 09 AM PDT 6.99 516 0 Normal
07/16/2025 10 AM PDT 6.98 512 - Normal
07/16/2025 11 AM PDT 6.98 512 0 Normal
07/16/2025 12 PM PDT 6.98 512 0 Normal
07/16/2025 01 PM PDT 6.97 508 - Normal
07/16/2025 02 PM PDT 6.97 508 0 Normal
07/16/2025 03 PM PDT 6.96 504 - Normal
07/16/2025 04 PM PDT 6.97 508 + Normal
07/16/2025 05 PM PDT 6.98 512 + Normal
07/16/2025 06 PM PDT 6.97 508 - Normal
07/16/2025 07 PM PDT 6.97 508 0 Normal
07/16/2025 08 PM PDT 6.96 504 - Normal
07/16/2025 09 PM PDT 6.94 496 - Normal
07/16/2025 10 PM PDT 6.93 492 - Normal
07/16/2025 11 PM PDT 6.92 488 - Normal
07/17/2025 12 AM PDT 6.91 484 - Normal
07/17/2025 01 AM PDT 6.91 484 0 Normal
07/17/2025 02 AM PDT 6.91 484 0 Normal
07/17/2025 03 AM PDT 6.92 488 + Normal
07/17/2025 04 AM PDT 6.93 492 + Normal
07/17/2025 05 AM PDT 6.94 496 + Normal
07/17/2025 06 AM PDT 6.94 496 0 Normal
07/17/2025 07 AM PDT 6.94 496 0 Normal
07/17/2025 08 AM PDT 6.94 496 0 Normal
07/17/2025 09 AM PDT 6.93 492 - Normal
07/17/2025 10 AM PDT 6.88 472 - Normal
07/17/2025 11 AM PDT 6.88 472 0 Normal
07/17/2025 12 PM PDT 6.88 472 0 Normal
07/17/2025 01 PM PDT 6.87 468 - Normal
07/17/2025 02 PM PDT 6.87 468 0 Normal
07/17/2025 03 PM PDT 6.87 468 0 Normal
07/17/2025 04 PM PDT 6.87 468 0 Normal
07/17/2025 05 PM PDT 6.86 465 - Normal
07/17/2025 06 PM PDT 6.84 457 - Normal
07/17/2025 07 PM PDT 6.83 453 - Normal
07/17/2025 08 PM PDT 6.82 449 - Normal
07/17/2025 09 PM PDT 6.81 445 - Normal
07/17/2025 10 PM PDT 6.80 441 - Normal
07/17/2025 11 PM PDT 6.79 438 - Normal
07/18/2025 12 AM PDT 6.78 434 - Normal
07/18/2025 01 AM PDT 6.79 438 + Normal
07/18/2025 02 AM PDT 6.79 438 0 Normal
07/18/2025 03 AM PDT 6.78 434 - Normal
07/18/2025 04 AM PDT 6.78 434 0 Normal
07/18/2025 05 AM PDT 6.77 430 - Normal
07/18/2025 06 AM PDT 6.77 430 0 Normal
07/18/2025 07 AM PDT 6.77 430 0 Normal
07/18/2025 08 AM PDT 6.77 430 0 Normal
07/18/2025 09 AM PDT 6.76 426 - Normal
07/18/2025 10 AM PDT 6.77 430 + Normal
07/18/2025 11 AM PDT 6.77 430 0 Normal
07/18/2025 12 PM PDT 6.77 430 0 Normal
07/18/2025 01 PM PDT 6.77 430 0 Normal
07/18/2025 02 PM PDT 6.77 430 0 Normal
07/18/2025 03 PM PDT 6.76 426 - Normal
07/18/2025 04 PM PDT 6.75 423 - Normal
07/18/2025 05 PM PDT 6.75 423 0 Normal
07/18/2025 06 PM PDT 6.74 419 - Normal
07/18/2025 07 PM PDT 6.75 423 + Normal
07/18/2025 08 PM PDT 6.74 419 - Normal
07/18/2025 09 PM PDT 6.74 419 0 Normal
07/18/2025 10 PM PDT 6.74 419 0 Normal
07/18/2025 11 PM PDT 6.73 415 - Normal
07/19/2025 12 AM PDT 6.72 411 - Normal
07/19/2025 01 AM PDT 6.71 408 - Normal
07/19/2025 02 AM PDT 6.71 408 0 Normal
07/19/2025 03 AM PDT 6.71 408 0 Normal
07/19/2025 04 AM PDT 6.72 411 + Normal
07/19/2025 05 AM PDT 6.72 411 0 Normal
07/19/2025 06 AM PDT 6.73 415 + Normal
07/19/2025 07 AM PDT 6.74 419 + Normal
07/19/2025 08 AM PDT 6.74 419 0 Normal
07/19/2025 09 AM PDT 6.74 419 0 Normal
07/19/2025 10 AM PDT 6.74 419 0 Normal
07/19/2025 11 AM PDT 6.74 419 0 Normal
07/19/2025 12 PM PDT 6.75 423 + Normal
07/19/2025 01 PM PDT 6.75 423 0 Normal
07/19/2025 02 PM PDT 6.76 426 + Normal
07/19/2025 03 PM PDT 6.77 430 + Normal
07/19/2025 04 PM PDT 6.79 438 + Normal
07/19/2025 05 PM PDT 6.79 438 0 Normal
07/19/2025 06 PM PDT 6.80 441 + Normal
07/19/2025 07 PM PDT 6.82 449 + Normal
07/19/2025 08 PM PDT 6.84 457 + Normal
07/19/2025 09 PM PDT 6.85 461 + Normal
07/19/2025 10 PM PDT 6.86 465 + Normal
07/19/2025 11 PM PDT 6.87 468 + Normal
07/20/2025 12 AM PDT 6.89 476 + Normal
07/20/2025 01 AM PDT 6.92 488 + Normal
07/20/2025 02 AM PDT 6.96 504 + Normal
07/20/2025 03 AM PDT 6.99 516 + Normal
07/20/2025 04 AM PDT 7.01 525 + Normal
07/20/2025 05 AM PDT 7.04 537 + Normal
07/20/2025 06 AM PDT 7.04 537 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/20/2025 07 AM PDT 7.04 537 Normal
07/20/2025 08 AM PDT 7.04 537 0 Normal
07/20/2025 09 AM PDT 7.04 537 0 Normal
07/20/2025 10 AM PDT 7.04 537 0 Normal
07/20/2025 11 AM PDT 7.04 537 0 Normal
07/20/2025 12 PM PDT 7.04 537 0 Normal
07/20/2025 01 PM PDT 7.04 537 0 Normal
07/20/2025 02 PM PDT 7.05 541 + Normal
07/20/2025 03 PM PDT 7.05 541 0 Normal
07/20/2025 04 PM PDT 7.05 541 0 Normal
07/20/2025 05 PM PDT 7.05 541 0 Normal
07/20/2025 06 PM PDT 7.06 545 + Normal
07/20/2025 07 PM PDT 7.06 545 0 Normal
07/20/2025 08 PM PDT 7.06 545 0 Normal
07/20/2025 09 PM PDT 7.06 545 0 Normal
07/20/2025 10 PM PDT 7.07 549 + Normal
07/20/2025 11 PM PDT 7.07 549 0 Normal
07/21/2025 12 AM PDT 7.07 549 0 Normal
07/21/2025 01 AM PDT 7.07 549 0 Normal
07/21/2025 02 AM PDT 7.08 554 + Normal
07/21/2025 03 AM PDT 7.08 554 0 Normal
07/21/2025 04 AM PDT 7.08 554 0 Normal
07/21/2025 05 AM PDT 7.08 554 0 Normal
07/21/2025 06 AM PDT 7.09 558 + Normal
07/21/2025 07 AM PDT 7.09 558 0 Normal
07/21/2025 08 AM PDT 7.09 558 0 Normal
07/21/2025 09 AM PDT 7.09 558 0 Normal
07/21/2025 10 AM PDT 7.09 558 0 Normal
07/21/2025 11 AM PDT 7.10 562 + Normal
07/21/2025 12 PM PDT 7.10 562 0 Normal
07/21/2025 01 PM PDT 7.10 562 0 Normal
07/21/2025 02 PM PDT 7.10 562 0 Normal
07/21/2025 03 PM PDT 7.10 562 0 Normal
07/21/2025 04 PM PDT 7.11 566 + Normal
07/21/2025 05 PM PDT 7.11 566 0 Normal
07/21/2025 06 PM PDT 7.11 566 0 Normal
07/21/2025 07 PM PDT 7.11 566 0 Normal
07/21/2025 08 PM PDT 7.11 566 0 Normal
07/21/2025 09 PM PDT 7.12 571 + Normal
07/21/2025 10 PM PDT 7.12 571 0 Normal
07/21/2025 11 PM PDT 7.12 571 0 Normal
07/22/2025 12 AM PDT 7.12 571 0 Normal
07/22/2025 01 AM PDT 7.12 571 0 Normal
07/22/2025 02 AM PDT 7.12 571 0 Normal
07/22/2025 03 AM PDT 7.12 571 0 Normal
07/22/2025 04 AM PDT 7.13 575 + Normal
07/22/2025 05 AM PDT 7.13 575 0 Normal
07/22/2025 06 AM PDT 7.13 575 0 Normal
07/22/2025 07 AM PDT 7.13 575 0 Normal
07/22/2025 08 AM PDT 7.13 575 0 Normal
07/22/2025 09 AM PDT 7.13 575 0 Normal
07/22/2025 10 AM PDT 7.13 575 0 Normal
07/22/2025 11 AM PDT 7.13 575 0 Normal
07/22/2025 12 PM PDT 7.13 575 0 Normal
07/22/2025 01 PM PDT 7.13 575 0 Normal
07/22/2025 02 PM PDT 7.14 579 + Normal
07/22/2025 03 PM PDT 7.14 579 0 Normal
07/22/2025 04 PM PDT 7.14 579 0 Normal
07/22/2025 05 PM PDT 7.14 579 0 Normal
07/22/2025 06 PM PDT 7.14 579 0 Normal
07/22/2025 07 PM PDT 7.14 579 0 Normal
07/22/2025 08 PM PDT 7.14 579 0 Normal
07/22/2025 09 PM PDT 7.14 579 0 Normal
07/22/2025 10 PM PDT 7.14 579 0 Normal
07/22/2025 11 PM PDT 7.13 575 - Normal
07/23/2025 12 AM PDT 7.13 575 0 Normal
07/23/2025 01 AM PDT 7.13 575 0 Normal
07/23/2025 02 AM PDT 7.13 575 0 Normal
07/23/2025 03 AM PDT 7.13 575 0 Normal
07/23/2025 04 AM PDT 7.13 575 0 Normal
07/23/2025 05 AM PDT 7.12 571 - Normal
07/23/2025 06 AM PDT 7.12 571 0 Normal
07/23/2025 07 AM PDT 7.12 571 0 Normal
07/23/2025 08 AM PDT 7.11 566 - Normal
07/23/2025 09 AM PDT 7.11 566 0 Normal
07/23/2025 10 AM PDT 7.11 566 0 Normal
07/23/2025 11 AM PDT 7.11 566 0 Normal
07/23/2025 12 PM PDT 7.10 562 - Normal
07/23/2025 01 PM PDT 7.10 562 0 Normal
07/23/2025 02 PM PDT 7.09 558 - Normal
07/23/2025 03 PM PDT 7.09 558 0 Normal
07/23/2025 04 PM PDT 7.09 558 0 Normal
07/23/2025 05 PM PDT 7.08 554 - Normal
07/23/2025 06 PM PDT 7.08 554 0 Normal
07/23/2025 07 PM PDT 7.08 554 0 Normal
07/23/2025 08 PM PDT 7.07 549 - Normal
07/23/2025 09 PM PDT 7.07 549 0 Normal
07/23/2025 10 PM PDT 7.07 549 0 Normal
07/23/2025 11 PM PDT 7.06 545 - Normal
07/24/2025 12 AM PDT 7.06 545 0 Normal
07/24/2025 01 AM PDT 7.06 545 0 Normal
07/24/2025 02 AM PDT 7.05 541 - Normal
07/24/2025 03 AM PDT 7.05 541 0 Normal
07/24/2025 04 AM PDT 7.05 541 0 Normal
07/24/2025 05 AM PDT 7.05 541 0 Normal
07/24/2025 06 AM PDT 7.04 537 - Normal
07/24/2025 07 AM PDT 7.04 537 0 Normal
07/24/2025 08 AM PDT 7.04 537 0 Normal
07/24/2025 09 AM PDT 7.04 537 0 Normal
07/24/2025 10 AM PDT 7.03 533 - Normal
07/24/2025 11 AM PDT 7.03 533 0 Normal
07/24/2025 12 PM PDT 7.03 533 0 Normal
07/24/2025 01 PM PDT 7.03 533 0 Normal
07/24/2025 02 PM PDT 7.02 529 - Normal
07/24/2025 03 PM PDT 7.02 529 0 Normal
07/24/2025 04 PM PDT 7.02 529 0 Normal
07/24/2025 05 PM PDT 7.02 529 0 Normal
07/24/2025 06 PM PDT 7.02 529 0 Normal
07/24/2025 07 PM PDT 7.01 525 - Normal
07/24/2025 08 PM PDT 7.01 525 0 Normal
07/24/2025 09 PM PDT 7.01 525 0 Normal
07/24/2025 10 PM PDT 7.01 525 0 Normal
07/24/2025 11 PM PDT 7.01 525 0 Normal
07/25/2025 12 AM PDT 7.00 520 - Normal
07/25/2025 01 AM PDT 7.00 520 0 Normal
07/25/2025 02 AM PDT 7.00 520 0 Normal
07/25/2025 03 AM PDT 7.00 520 0 Normal
07/25/2025 04 AM PDT 7.00 520 0 Normal
07/25/2025 05 AM PDT 7.00 520 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.
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