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SAN JOAQUIN RIVER - MENDOTA (SJMC1)
| Latitude: 36.78º N | Longitude: 120.37º W | Elevation: 170 Feet | | Forecast Type: Unofficial Location |
| Location: Fresno County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Oct 22 2026 at 8:13 AM PDT | Next Issuance: | Oct 23 2026 at 9:00 AM PDT
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| Action: 10.0 Feet | Minor Flood: 14.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Mendota (SJMC1)
#
# File Generation Time: 10/22/2026 at 08:14 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 10/20/2026 at 03:00 PM PDT
# Maximum Observed Stage: 4.63 Feet
# Maximum Observed Flow: 559 cfs
#
# Earliest Date & Time of Maximum Forecast: 10/22/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 4.47 Feet
# Maximum Forecast Flow: 527 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/17/2026 08 AM PDT 3.77 395 Normal
10/17/2026 09 AM PDT 3.77 395 0 Normal
10/17/2026 10 AM PDT 3.77 395 0 Normal
10/17/2026 11 AM PDT 3.77 395 0 Normal
10/17/2026 12 PM PDT 3.77 395 0 Normal
10/17/2026 01 PM PDT 3.77 395 0 Normal
10/17/2026 02 PM PDT 3.76 394 - Normal
10/17/2026 03 PM PDT 3.77 395 + Normal
10/17/2026 04 PM PDT 3.77 395 0 Normal
10/17/2026 05 PM PDT 3.77 395 0 Normal
10/17/2026 06 PM PDT 3.76 394 - Normal
10/17/2026 07 PM PDT 3.76 394 0 Normal
10/17/2026 08 PM PDT 3.76 394 0 Normal
10/17/2026 09 PM PDT 3.76 394 0 Normal
10/17/2026 10 PM PDT 3.76 394 0 Normal
10/17/2026 11 PM PDT 3.76 394 0 Normal
10/18/2026 12 AM PDT 3.76 394 0 Normal
10/18/2026 01 AM PDT 3.76 394 0 Normal
10/18/2026 02 AM PDT 3.76 394 0 Normal
10/18/2026 03 AM PDT 3.76 394 0 Normal
10/18/2026 04 AM PDT 3.76 394 0 Normal
10/18/2026 05 AM PDT 3.76 394 0 Normal
10/18/2026 06 AM PDT 3.76 394 0 Normal
10/18/2026 07 AM PDT 3.75 392 - Normal
10/18/2026 08 AM PDT 3.75 392 0 Normal
10/18/2026 09 AM PDT 3.75 392 0 Normal
10/18/2026 10 AM PDT 3.76 394 + Normal
10/18/2026 11 AM PDT 3.83 406 + Normal
10/18/2026 12 PM PDT 3.89 417 + Normal
10/18/2026 01 PM PDT 3.94 426 + Normal
10/18/2026 02 PM PDT 3.97 431 + Normal
10/18/2026 03 PM PDT 3.98 433 + Normal
10/18/2026 04 PM PDT 3.99 435 + Normal
10/18/2026 05 PM PDT 3.98 433 - Normal
10/18/2026 06 PM PDT 3.98 433 0 Normal
10/18/2026 07 PM PDT 3.97 431 - Normal
10/18/2026 08 PM PDT 3.97 431 0 Normal
10/18/2026 09 PM PDT 3.97 431 0 Normal
10/18/2026 10 PM PDT 3.97 431 0 Normal
10/18/2026 11 PM PDT 3.97 431 0 Normal
10/19/2026 12 AM PDT 3.97 431 0 Normal
10/19/2026 01 AM PDT 3.97 431 0 Normal
10/19/2026 02 AM PDT 3.97 431 0 Normal
10/19/2026 03 AM PDT 3.97 431 0 Normal
10/19/2026 04 AM PDT 3.97 431 0 Normal
10/19/2026 05 AM PDT 3.97 431 0 Normal
10/19/2026 06 AM PDT 3.97 431 0 Normal
10/19/2026 07 AM PDT 3.97 431 0 Normal
10/19/2026 08 AM PDT 3.97 431 0 Normal
10/19/2026 09 AM PDT 3.97 431 0 Normal
10/19/2026 10 AM PDT 3.97 431 0 Normal
10/19/2026 11 AM PDT 4.02 441 + Normal
10/19/2026 12 PM PDT 4.09 454 + Normal
10/19/2026 01 PM PDT 4.14 463 + Normal
10/19/2026 02 PM PDT 4.18 470 + Normal
10/19/2026 03 PM PDT 4.21 476 + Normal
10/19/2026 04 PM PDT 4.21 476 0 Normal
10/19/2026 05 PM PDT 4.20 474 - Normal
10/19/2026 06 PM PDT 4.19 472 - Normal
10/19/2026 07 PM PDT 4.20 474 + Normal
10/19/2026 08 PM PDT 4.19 472 - Normal
10/19/2026 09 PM PDT 4.19 472 0 Normal
10/19/2026 10 PM PDT 4.20 474 + Normal
10/19/2026 11 PM PDT 4.20 474 0 Normal
10/20/2026 12 AM PDT 4.20 474 0 Normal
10/20/2026 01 AM PDT 4.20 474 0 Normal
10/20/2026 02 AM PDT 4.20 474 0 Normal
10/20/2026 03 AM PDT 4.20 474 0 Normal
10/20/2026 04 AM PDT 4.20 474 0 Normal
10/20/2026 05 AM PDT 4.21 476 + Normal
10/20/2026 06 AM PDT 4.21 476 0 Normal
10/20/2026 07 AM PDT 4.21 476 0 Normal
10/20/2026 08 AM PDT 4.21 476 0 Normal
10/20/2026 09 AM PDT 4.21 476 0 Normal
10/20/2026 10 AM PDT 4.30 494 + Normal
10/20/2026 11 AM PDT 4.42 517 + Normal
10/20/2026 12 PM PDT 4.52 537 + Normal
10/20/2026 01 PM PDT 4.58 549 + Normal
10/20/2026 02 PM PDT 4.63 559 + Normal
10/20/2026 03 PM PDT 4.63 559 0 Normal
10/20/2026 04 PM PDT 4.61 555 - Normal
10/20/2026 05 PM PDT 4.59 551 - Normal
10/20/2026 06 PM PDT 4.59 551 0 Normal
10/20/2026 07 PM PDT 4.58 549 - Normal
10/20/2026 08 PM PDT 4.58 549 0 Normal
10/20/2026 09 PM PDT 4.58 549 0 Normal
10/20/2026 10 PM PDT 4.57 547 - Normal
10/20/2026 11 PM PDT 4.58 549 + Normal
10/21/2026 12 AM PDT 4.58 549 0 Normal
10/21/2026 01 AM PDT 4.58 549 0 Normal
10/21/2026 02 AM PDT 4.58 549 0 Normal
10/21/2026 03 AM PDT 4.58 549 0 Normal
10/21/2026 04 AM PDT 4.58 549 0 Normal
10/21/2026 05 AM PDT 4.58 549 0 Normal
10/21/2026 06 AM PDT 4.58 549 0 Normal
10/21/2026 07 AM PDT 4.58 549 0 Normal
10/21/2026 08 AM PDT 4.58 549 0 Normal
10/21/2026 09 AM PDT 4.58 549 0 Normal
10/21/2026 10 AM PDT 4.55 543 - Normal
10/21/2026 11 AM PDT 4.52 537 - Normal
10/21/2026 12 PM PDT 4.50 533 - Normal
10/21/2026 01 PM PDT 4.48 529 - Normal
10/21/2026 02 PM PDT 4.48 529 0 Normal
10/21/2026 03 PM PDT 4.47 527 - Normal
10/21/2026 04 PM PDT 4.46 525 - Normal
10/21/2026 05 PM PDT 4.46 525 0 Normal
10/21/2026 06 PM PDT 4.46 525 0 Normal
10/21/2026 07 PM PDT 4.46 525 0 Normal
10/21/2026 08 PM PDT 4.46 525 0 Normal
10/21/2026 09 PM PDT 4.46 525 0 Normal
10/21/2026 10 PM PDT 4.46 525 0 Normal
10/21/2026 11 PM PDT 4.47 527 + Normal
10/22/2026 12 AM PDT 4.47 527 0 Normal
10/22/2026 01 AM PDT 4.47 527 0 Normal
10/22/2026 02 AM PDT 4.48 529 + Normal
10/22/2026 03 AM PDT 4.48 529 0 Normal
10/22/2026 04 AM PDT 4.47 527 - Normal
10/22/2026 05 AM PDT 4.47 527 0 Normal
10/22/2026 06 AM PDT 4.47 527 0 Normal
10/22/2026 07 AM PDT 4.47 527 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
10/22/2026 08 AM PDT 4.47 527 Normal
10/22/2026 09 AM PDT 4.47 527 0 Normal
10/22/2026 10 AM PDT 4.47 527 0 Normal
10/22/2026 11 AM PDT 4.47 527 0 Normal
10/22/2026 12 PM PDT 4.47 527 0 Normal
10/22/2026 01 PM PDT 4.47 527 0 Normal
10/22/2026 02 PM PDT 4.47 527 0 Normal
10/22/2026 03 PM PDT 4.47 527 0 Normal
10/22/2026 04 PM PDT 4.47 527 0 Normal
10/22/2026 05 PM PDT 4.47 527 0 Normal
10/22/2026 06 PM PDT 4.47 527 0 Normal
10/22/2026 07 PM PDT 4.47 527 0 Normal
10/22/2026 08 PM PDT 4.47 527 0 Normal
10/22/2026 09 PM PDT 4.47 527 0 Normal
10/22/2026 10 PM PDT 4.47 527 0 Normal
10/22/2026 11 PM PDT 4.46 525 - Normal
10/23/2026 12 AM PDT 4.46 525 0 Normal
10/23/2026 01 AM PDT 4.46 525 0 Normal
10/23/2026 02 AM PDT 4.46 525 0 Normal
10/23/2026 03 AM PDT 4.46 525 0 Normal
10/23/2026 04 AM PDT 4.46 525 0 Normal
10/23/2026 05 AM PDT 4.46 525 0 Normal
10/23/2026 06 AM PDT 4.46 525 0 Normal
10/23/2026 07 AM PDT 4.46 525 0 Normal
10/23/2026 08 AM PDT 4.46 525 0 Normal
10/23/2026 09 AM PDT 4.46 525 0 Normal
10/23/2026 10 AM PDT 4.46 525 0 Normal
10/23/2026 11 AM PDT 4.46 525 0 Normal
10/23/2026 12 PM PDT 4.46 525 0 Normal
10/23/2026 01 PM PDT 4.46 525 0 Normal
10/23/2026 02 PM PDT 4.46 525 0 Normal
10/23/2026 03 PM PDT 4.46 525 0 Normal
10/23/2026 04 PM PDT 4.46 525 0 Normal
10/23/2026 05 PM PDT 4.46 525 0 Normal
10/23/2026 06 PM PDT 4.46 525 0 Normal
10/23/2026 07 PM PDT 4.46 525 0 Normal
10/23/2026 08 PM PDT 4.46 525 0 Normal
10/23/2026 09 PM PDT 4.46 525 0 Normal
10/23/2026 10 PM PDT 4.46 525 0 Normal
10/23/2026 11 PM PDT 4.46 525 0 Normal
10/24/2026 12 AM PDT 4.46 525 0 Normal
10/24/2026 01 AM PDT 4.46 525 0 Normal
10/24/2026 02 AM PDT 4.46 525 0 Normal
10/24/2026 03 AM PDT 4.46 525 0 Normal
10/24/2026 04 AM PDT 4.46 525 0 Normal
10/24/2026 05 AM PDT 4.46 525 0 Normal
10/24/2026 06 AM PDT 4.46 525 0 Normal
10/24/2026 07 AM PDT 4.46 525 0 Normal
10/24/2026 08 AM PDT 4.46 525 0 Normal
10/24/2026 09 AM PDT 4.46 525 0 Normal
10/24/2026 10 AM PDT 4.46 525 0 Normal
10/24/2026 11 AM PDT 4.46 525 0 Normal
10/24/2026 12 PM PDT 4.46 525 0 Normal
10/24/2026 01 PM PDT 4.46 525 0 Normal
10/24/2026 02 PM PDT 4.46 525 0 Normal
10/24/2026 03 PM PDT 4.46 525 0 Normal
10/24/2026 04 PM PDT 4.46 525 0 Normal
10/24/2026 05 PM PDT 4.45 523 - Normal
10/24/2026 06 PM PDT 4.45 523 0 Normal
10/24/2026 07 PM PDT 4.45 523 0 Normal
10/24/2026 08 PM PDT 4.45 523 0 Normal
10/24/2026 09 PM PDT 4.45 523 0 Normal
10/24/2026 10 PM PDT 4.45 523 0 Normal
10/24/2026 11 PM PDT 4.45 523 0 Normal
10/25/2026 12 AM PDT 4.45 523 0 Normal
10/25/2026 01 AM PDT 4.45 523 0 Normal
10/25/2026 02 AM PDT 4.45 523 0 Normal
10/25/2026 03 AM PDT 4.45 523 0 Normal
10/25/2026 04 AM PDT 4.45 523 0 Normal
10/25/2026 05 AM PDT 4.45 523 0 Normal
10/25/2026 06 AM PDT 4.45 523 0 Normal
10/25/2026 07 AM PDT 4.45 523 0 Normal
10/25/2026 08 AM PDT 4.45 523 0 Normal
10/25/2026 09 AM PDT 4.45 523 0 Normal
10/25/2026 10 AM PDT 4.45 523 0 Normal
10/25/2026 11 AM PDT 4.45 523 0 Normal
10/25/2026 12 PM PDT 4.45 523 0 Normal
10/25/2026 01 PM PDT 4.45 523 0 Normal
10/25/2026 02 PM PDT 4.45 523 0 Normal
10/25/2026 03 PM PDT 4.45 523 0 Normal
10/25/2026 04 PM PDT 4.45 523 0 Normal
10/25/2026 05 PM PDT 4.45 523 0 Normal
10/25/2026 06 PM PDT 4.45 523 0 Normal
10/25/2026 07 PM PDT 4.45 523 0 Normal
10/25/2026 08 PM PDT 4.45 523 0 Normal
10/25/2026 09 PM PDT 4.45 523 0 Normal
10/25/2026 10 PM PDT 4.45 523 0 Normal
10/25/2026 11 PM PDT 4.45 523 0 Normal
10/26/2026 12 AM PDT 4.45 523 0 Normal
10/26/2026 01 AM PDT 4.45 523 0 Normal
10/26/2026 02 AM PDT 4.45 523 0 Normal
10/26/2026 03 AM PDT 4.45 523 0 Normal
10/26/2026 04 AM PDT 4.45 523 0 Normal
10/26/2026 05 AM PDT 4.45 523 0 Normal
10/26/2026 06 AM PDT 4.45 523 0 Normal
10/26/2026 07 AM PDT 4.44 521 - Normal
10/26/2026 08 AM PDT 4.44 521 0 Normal
10/26/2026 09 AM PDT 4.44 521 0 Normal
10/26/2026 10 AM PDT 4.44 521 0 Normal
10/26/2026 11 AM PDT 4.44 521 0 Normal
10/26/2026 12 PM PDT 4.44 521 0 Normal
10/26/2026 01 PM PDT 4.44 521 0 Normal
10/26/2026 02 PM PDT 4.44 521 0 Normal
10/26/2026 03 PM PDT 4.44 521 0 Normal
10/26/2026 04 PM PDT 4.44 521 0 Normal
10/26/2026 05 PM PDT 4.44 521 0 Normal
10/26/2026 06 PM PDT 4.44 521 0 Normal
10/26/2026 07 PM PDT 4.44 521 0 Normal
10/26/2026 08 PM PDT 4.44 521 0 Normal
10/26/2026 09 PM PDT 4.44 521 0 Normal
10/26/2026 10 PM PDT 4.44 521 0 Normal
10/26/2026 11 PM PDT 4.44 521 0 Normal
10/27/2026 12 AM PDT 4.44 521 0 Normal
10/27/2026 01 AM PDT 4.44 521 0 Normal
10/27/2026 02 AM PDT 4.44 521 0 Normal
10/27/2026 03 AM PDT 4.44 521 0 Normal
10/27/2026 04 AM PDT 4.44 521 0 Normal
10/27/2026 05 AM PDT 4.44 521 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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