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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: | May 27 2026 at 7:33 AM PDT | Next Issuance: | May 28 2026 at 9:00 AM PDT
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| Action/Monitor: 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: 05/27/2026 at 07:35 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/26/2026 at 05:00 PM PDT
# Maximum Observed Stage: 4.69 Feet
# Maximum Observed Flow: 571 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/27/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 4.64 Feet
# Maximum Forecast Flow: 561 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/22/2026 07 AM PDT 4.47 527 Normal
05/22/2026 08 AM PDT 4.46 525 - Normal
05/22/2026 09 AM PDT 4.47 527 + Normal
05/22/2026 10 AM PDT 4.47 527 0 Normal
05/22/2026 11 AM PDT 4.47 527 0 Normal
05/22/2026 12 PM PDT 4.45 523 - Normal
05/22/2026 01 PM PDT 4.37 507 - Normal
05/22/2026 02 PM PDT 4.31 496 - Normal
05/22/2026 03 PM PDT 4.27 488 - Normal
05/22/2026 04 PM PDT 4.24 482 - Normal
05/22/2026 05 PM PDT 4.24 482 0 Normal
05/22/2026 06 PM PDT 4.24 482 0 Normal
05/22/2026 07 PM PDT 4.25 484 + Normal
05/22/2026 08 PM PDT 4.26 486 + Normal
05/22/2026 09 PM PDT 4.26 486 0 Normal
05/22/2026 10 PM PDT 4.25 484 - Normal
05/22/2026 11 PM PDT 4.25 484 0 Normal
05/23/2026 12 AM PDT 4.25 484 0 Normal
05/23/2026 01 AM PDT 4.25 484 0 Normal
05/23/2026 02 AM PDT 4.25 484 0 Normal
05/23/2026 03 AM PDT 4.25 484 0 Normal
05/23/2026 04 AM PDT 4.25 484 0 Normal
05/23/2026 05 AM PDT 4.25 484 0 Normal
05/23/2026 06 AM PDT 4.24 482 - Normal
05/23/2026 07 AM PDT 4.25 484 + Normal
05/23/2026 08 AM PDT 4.26 486 + Normal
05/23/2026 09 AM PDT 4.25 484 - Normal
05/23/2026 10 AM PDT 4.26 486 + Normal
05/23/2026 11 AM PDT 4.26 486 0 Normal
05/23/2026 12 PM PDT 4.26 486 0 Normal
05/23/2026 01 PM PDT 4.25 484 - Normal
05/23/2026 02 PM PDT 4.13 461 - Normal
05/23/2026 03 PM PDT 4.04 444 - Normal
05/23/2026 04 PM PDT 3.98 433 - Normal
05/23/2026 05 PM PDT 3.94 426 - Normal
05/23/2026 06 PM PDT 3.91 420 - Normal
05/23/2026 07 PM PDT 3.90 419 - Normal
05/23/2026 08 PM PDT 3.93 424 + Normal
05/23/2026 09 PM PDT 3.95 428 + Normal
05/23/2026 10 PM PDT 3.96 430 + Normal
05/23/2026 11 PM PDT 3.97 431 + Normal
05/24/2026 12 AM PDT 3.97 431 0 Normal
05/24/2026 01 AM PDT 3.98 433 + Normal
05/24/2026 02 AM PDT 3.97 431 - Normal
05/24/2026 03 AM PDT 3.97 431 0 Normal
05/24/2026 04 AM PDT 3.97 431 0 Normal
05/24/2026 05 AM PDT 3.97 431 0 Normal
05/24/2026 06 AM PDT 3.96 430 - Normal
05/24/2026 07 AM PDT 3.97 431 + Normal
05/24/2026 08 AM PDT 3.97 431 0 Normal
05/24/2026 09 AM PDT 3.97 431 0 Normal
05/24/2026 10 AM PDT 3.98 433 + Normal
05/24/2026 11 AM PDT 3.97 431 - Normal
05/24/2026 12 PM PDT 4.10 455 + Normal
05/24/2026 01 PM PDT 4.29 492 + Normal
05/24/2026 02 PM PDT 4.43 519 + Normal
05/24/2026 03 PM PDT 4.51 535 + Normal
05/24/2026 04 PM PDT 4.58 549 + Normal
05/24/2026 05 PM PDT 4.59 551 + Normal
05/24/2026 06 PM PDT 4.54 541 - Normal
05/24/2026 07 PM PDT 4.52 537 - Normal
05/24/2026 08 PM PDT 4.50 533 - Normal
05/24/2026 09 PM PDT 4.49 531 - Normal
05/24/2026 10 PM PDT 4.48 529 - Normal
05/24/2026 11 PM PDT 4.48 529 0 Normal
05/25/2026 12 AM PDT 4.47 527 - Normal
05/25/2026 01 AM PDT 4.47 527 0 Normal
05/25/2026 02 AM PDT 4.46 525 - Normal
05/25/2026 03 AM PDT 4.46 525 0 Normal
05/25/2026 04 AM PDT 4.46 525 0 Normal
05/25/2026 05 AM PDT 4.47 527 + Normal
05/25/2026 06 AM PDT 4.47 527 0 Normal
05/25/2026 07 AM PDT 4.47 527 0 Normal
05/25/2026 08 AM PDT 4.47 527 0 Normal
05/25/2026 09 AM PDT 4.47 527 0 Normal
05/25/2026 10 AM PDT 4.47 527 0 Normal
05/25/2026 11 AM PDT 4.47 527 0 Normal
05/25/2026 12 PM PDT 4.47 527 0 Normal
05/25/2026 01 PM PDT 4.46 525 - Normal
05/25/2026 02 PM PDT 4.47 527 + Normal
05/25/2026 03 PM PDT 4.47 527 0 Normal
05/25/2026 04 PM PDT 4.47 527 0 Normal
05/25/2026 05 PM PDT 4.46 525 - Normal
05/25/2026 06 PM PDT 4.46 525 0 Normal
05/25/2026 07 PM PDT 4.46 525 0 Normal
05/25/2026 08 PM PDT 4.46 525 0 Normal
05/25/2026 09 PM PDT 4.46 525 0 Normal
05/25/2026 10 PM PDT 4.45 523 - Normal
05/25/2026 11 PM PDT 4.45 523 0 Normal
05/26/2026 12 AM PDT 4.46 525 + Normal
05/26/2026 01 AM PDT 4.46 525 0 Normal
05/26/2026 02 AM PDT 4.45 523 - Normal
05/26/2026 03 AM PDT 4.45 523 0 Normal
05/26/2026 04 AM PDT 4.45 523 0 Normal
05/26/2026 05 AM PDT 4.45 523 0 Normal
05/26/2026 06 AM PDT 4.45 523 0 Normal
05/26/2026 07 AM PDT 4.46 525 + Normal
05/26/2026 08 AM PDT 4.45 523 - Normal
05/26/2026 09 AM PDT 4.46 525 + Normal
05/26/2026 10 AM PDT 4.45 523 - Normal
05/26/2026 11 AM PDT 4.45 523 0 Normal
05/26/2026 12 PM PDT 4.46 525 + Normal
05/26/2026 01 PM PDT 4.53 539 + Normal
05/26/2026 02 PM PDT 4.58 549 + Normal
05/26/2026 03 PM PDT 4.62 557 + Normal
05/26/2026 04 PM PDT 4.66 565 + Normal
05/26/2026 05 PM PDT 4.69 571 + Normal
05/26/2026 06 PM PDT 4.67 567 - Normal
05/26/2026 07 PM PDT 4.65 563 - Normal
05/26/2026 08 PM PDT 4.63 559 - Normal
05/26/2026 09 PM PDT 4.63 559 0 Normal
05/26/2026 10 PM PDT 4.63 559 0 Normal
05/26/2026 11 PM PDT 4.62 557 - Normal
05/27/2026 12 AM PDT 4.61 555 - Normal
05/27/2026 01 AM PDT 4.62 557 + Normal
05/27/2026 02 AM PDT 4.62 557 0 Normal
05/27/2026 03 AM PDT 4.62 557 0 Normal
05/27/2026 04 AM PDT 4.62 557 0 Normal
05/27/2026 05 AM PDT 4.62 557 0 Normal
05/27/2026 06 AM PDT 4.63 559 + Normal
05/27/2026 07 AM PDT 4.63 559 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/27/2026 08 AM PDT 4.63 559 Normal
05/27/2026 09 AM PDT 4.64 561 + Normal
05/27/2026 10 AM PDT 4.64 561 0 Normal
05/27/2026 11 AM PDT 4.64 561 0 Normal
05/27/2026 12 PM PDT 4.64 561 0 Normal
05/27/2026 01 PM PDT 4.64 561 0 Normal
05/27/2026 02 PM PDT 4.64 561 0 Normal
05/27/2026 03 PM PDT 4.64 561 0 Normal
05/27/2026 04 PM PDT 4.64 561 0 Normal
05/27/2026 05 PM PDT 4.64 561 0 Normal
05/27/2026 06 PM PDT 4.64 561 0 Normal
05/27/2026 07 PM PDT 4.64 561 0 Normal
05/27/2026 08 PM PDT 4.64 561 0 Normal
05/27/2026 09 PM PDT 4.64 561 0 Normal
05/27/2026 10 PM PDT 4.64 561 0 Normal
05/27/2026 11 PM PDT 4.64 561 0 Normal
05/28/2026 12 AM PDT 4.64 561 0 Normal
05/28/2026 01 AM PDT 4.64 561 0 Normal
05/28/2026 02 AM PDT 4.64 561 0 Normal
05/28/2026 03 AM PDT 4.64 561 0 Normal
05/28/2026 04 AM PDT 4.64 561 0 Normal
05/28/2026 05 AM PDT 4.64 561 0 Normal
05/28/2026 06 AM PDT 4.64 561 0 Normal
05/28/2026 07 AM PDT 4.64 561 0 Normal
05/28/2026 08 AM PDT 4.64 561 0 Normal
05/28/2026 09 AM PDT 4.64 561 0 Normal
05/28/2026 10 AM PDT 4.64 561 0 Normal
05/28/2026 11 AM PDT 4.64 561 0 Normal
05/28/2026 12 PM PDT 4.64 561 0 Normal
05/28/2026 01 PM PDT 4.64 561 0 Normal
05/28/2026 02 PM PDT 4.64 561 0 Normal
05/28/2026 03 PM PDT 4.64 561 0 Normal
05/28/2026 04 PM PDT 4.64 561 0 Normal
05/28/2026 05 PM PDT 4.64 561 0 Normal
05/28/2026 06 PM PDT 4.64 561 0 Normal
05/28/2026 07 PM PDT 4.64 561 0 Normal
05/28/2026 08 PM PDT 4.64 561 0 Normal
05/28/2026 09 PM PDT 4.64 561 0 Normal
05/28/2026 10 PM PDT 4.64 561 0 Normal
05/28/2026 11 PM PDT 4.64 561 0 Normal
05/29/2026 12 AM PDT 4.64 561 0 Normal
05/29/2026 01 AM PDT 4.64 561 0 Normal
05/29/2026 02 AM PDT 4.64 561 0 Normal
05/29/2026 03 AM PDT 4.64 561 0 Normal
05/29/2026 04 AM PDT 4.64 561 0 Normal
05/29/2026 05 AM PDT 4.64 561 0 Normal
05/29/2026 06 AM PDT 4.64 561 0 Normal
05/29/2026 07 AM PDT 4.64 561 0 Normal
05/29/2026 08 AM PDT 4.64 561 0 Normal
05/29/2026 09 AM PDT 4.64 561 0 Normal
05/29/2026 10 AM PDT 4.64 561 0 Normal
05/29/2026 11 AM PDT 4.64 561 0 Normal
05/29/2026 12 PM PDT 4.64 561 0 Normal
05/29/2026 01 PM PDT 4.64 561 0 Normal
05/29/2026 02 PM PDT 4.64 561 0 Normal
05/29/2026 03 PM PDT 4.64 561 0 Normal
05/29/2026 04 PM PDT 4.64 561 0 Normal
05/29/2026 05 PM PDT 4.64 561 0 Normal
05/29/2026 06 PM PDT 4.64 561 0 Normal
05/29/2026 07 PM PDT 4.64 561 0 Normal
05/29/2026 08 PM PDT 4.64 561 0 Normal
05/29/2026 09 PM PDT 4.64 561 0 Normal
05/29/2026 10 PM PDT 4.63 559 - Normal
05/29/2026 11 PM PDT 4.63 559 0 Normal
05/30/2026 12 AM PDT 4.63 559 0 Normal
05/30/2026 01 AM PDT 4.63 559 0 Normal
05/30/2026 02 AM PDT 4.63 559 0 Normal
05/30/2026 03 AM PDT 4.63 559 0 Normal
05/30/2026 04 AM PDT 4.63 559 0 Normal
05/30/2026 05 AM PDT 4.63 559 0 Normal
05/30/2026 06 AM PDT 4.63 559 0 Normal
05/30/2026 07 AM PDT 4.63 559 0 Normal
05/30/2026 08 AM PDT 4.63 559 0 Normal
05/30/2026 09 AM PDT 4.63 559 0 Normal
05/30/2026 10 AM PDT 4.63 559 0 Normal
05/30/2026 11 AM PDT 4.63 559 0 Normal
05/30/2026 12 PM PDT 4.63 559 0 Normal
05/30/2026 01 PM PDT 4.63 559 0 Normal
05/30/2026 02 PM PDT 4.63 559 0 Normal
05/30/2026 03 PM PDT 4.63 559 0 Normal
05/30/2026 04 PM PDT 4.63 559 0 Normal
05/30/2026 05 PM PDT 4.63 559 0 Normal
05/30/2026 06 PM PDT 4.63 559 0 Normal
05/30/2026 07 PM PDT 4.63 559 0 Normal
05/30/2026 08 PM PDT 4.63 559 0 Normal
05/30/2026 09 PM PDT 4.63 559 0 Normal
05/30/2026 10 PM PDT 4.63 559 0 Normal
05/30/2026 11 PM PDT 4.63 559 0 Normal
05/31/2026 12 AM PDT 4.63 559 0 Normal
05/31/2026 01 AM PDT 4.63 559 0 Normal
05/31/2026 02 AM PDT 4.63 559 0 Normal
05/31/2026 03 AM PDT 4.63 559 0 Normal
05/31/2026 04 AM PDT 4.63 559 0 Normal
05/31/2026 05 AM PDT 4.63 559 0 Normal
05/31/2026 06 AM PDT 4.63 559 0 Normal
05/31/2026 07 AM PDT 4.63 559 0 Normal
05/31/2026 08 AM PDT 4.63 559 0 Normal
05/31/2026 09 AM PDT 4.63 559 0 Normal
05/31/2026 10 AM PDT 4.63 559 0 Normal
05/31/2026 11 AM PDT 4.63 559 0 Normal
05/31/2026 12 PM PDT 4.63 559 0 Normal
05/31/2026 01 PM PDT 4.63 559 0 Normal
05/31/2026 02 PM PDT 4.63 559 0 Normal
05/31/2026 03 PM PDT 4.63 559 0 Normal
05/31/2026 04 PM PDT 4.63 559 0 Normal
05/31/2026 05 PM PDT 4.63 559 0 Normal
05/31/2026 06 PM PDT 4.63 559 0 Normal
05/31/2026 07 PM PDT 4.63 559 0 Normal
05/31/2026 08 PM PDT 4.63 559 0 Normal
05/31/2026 09 PM PDT 4.63 559 0 Normal
05/31/2026 10 PM PDT 4.63 559 0 Normal
05/31/2026 11 PM PDT 4.63 559 0 Normal
06/01/2026 12 AM PDT 4.63 559 0 Normal
06/01/2026 01 AM PDT 4.63 559 0 Normal
06/01/2026 02 AM PDT 4.63 559 0 Normal
06/01/2026 03 AM PDT 4.63 559 0 Normal
06/01/2026 04 AM PDT 4.63 559 0 Normal
06/01/2026 05 AM PDT 4.63 559 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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