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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 14 2026 at 9:09 AM PDT | Next Issuance: | May 15 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: 05/14/2026 at 09:10 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/09/2026 at 09:00 AM PDT
# Maximum Observed Stage: 4.89 Feet
# Maximum Observed Flow: 614 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/14/2026 at 09:00 PM PDT
# Maximum Forecast Stage: 4.63 Feet
# Maximum Forecast Flow: 559 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/09/2026 09 AM PDT 4.89 614 Normal
05/09/2026 10 AM PDT 4.81 596 - Normal
05/09/2026 11 AM PDT 4.73 580 - Normal
05/09/2026 12 PM PDT 4.68 569 - Normal
05/09/2026 01 PM PDT 4.65 563 - Normal
05/09/2026 02 PM PDT 4.62 557 - Normal
05/09/2026 03 PM PDT 4.59 551 - Normal
05/09/2026 04 PM PDT 4.58 549 - Normal
05/09/2026 05 PM PDT 4.56 545 - Normal
05/09/2026 06 PM PDT 4.56 545 0 Normal
05/09/2026 07 PM PDT 4.55 543 - Normal
05/09/2026 08 PM PDT 4.54 541 - Normal
05/09/2026 09 PM PDT 4.54 541 0 Normal
05/09/2026 10 PM PDT 4.53 539 - Normal
05/09/2026 11 PM PDT 4.53 539 0 Normal
05/10/2026 12 AM PDT 4.52 537 - Normal
05/10/2026 01 AM PDT 4.52 537 0 Normal
05/10/2026 02 AM PDT 4.52 537 0 Normal
05/10/2026 03 AM PDT 4.52 537 0 Normal
05/10/2026 04 AM PDT 4.52 537 0 Normal
05/10/2026 05 AM PDT 4.51 535 - Normal
05/10/2026 06 AM PDT 4.51 535 0 Normal
05/10/2026 07 AM PDT 4.52 537 + Normal
05/10/2026 08 AM PDT 4.51 535 - Normal
05/10/2026 09 AM PDT 4.52 537 + Normal
05/10/2026 10 AM PDT 4.52 537 0 Normal
05/10/2026 11 AM PDT 4.47 527 - Normal
05/10/2026 12 PM PDT 4.43 519 - Normal
05/10/2026 01 PM PDT 4.40 513 - Normal
05/10/2026 02 PM PDT 4.38 509 - Normal
05/10/2026 03 PM PDT 4.36 505 - Normal
05/10/2026 04 PM PDT 4.35 503 - Normal
05/10/2026 05 PM PDT 4.34 501 - Normal
05/10/2026 06 PM PDT 4.33 499 - Normal
05/10/2026 07 PM PDT 4.33 499 0 Normal
05/10/2026 08 PM PDT 4.32 497 - Normal
05/10/2026 09 PM PDT 4.32 497 0 Normal
05/10/2026 10 PM PDT 4.32 497 0 Normal
05/10/2026 11 PM PDT 4.31 496 - Normal
05/11/2026 12 AM PDT 4.31 496 0 Normal
05/11/2026 01 AM PDT 4.31 496 0 Normal
05/11/2026 02 AM PDT 4.31 496 0 Normal
05/11/2026 03 AM PDT 4.31 496 0 Normal
05/11/2026 04 AM PDT 4.30 494 - Normal
05/11/2026 05 AM PDT 4.30 494 0 Normal
05/11/2026 06 AM PDT 4.30 494 0 Normal
05/11/2026 07 AM PDT 4.30 494 0 Normal
05/11/2026 08 AM PDT 4.30 494 0 Normal
05/11/2026 09 AM PDT 4.30 494 0 Normal
05/11/2026 10 AM PDT 4.30 494 0 Normal
05/11/2026 11 AM PDT 4.34 501 + Normal
05/11/2026 12 PM PDT 4.40 513 + Normal
05/11/2026 01 PM PDT 4.44 521 + Normal
05/11/2026 02 PM PDT 4.46 525 + Normal
05/11/2026 03 PM PDT 4.46 525 0 Normal
05/11/2026 04 PM PDT 4.44 521 - Normal
05/11/2026 05 PM PDT 4.43 519 - Normal
05/11/2026 06 PM PDT 4.41 515 - Normal
05/11/2026 07 PM PDT 4.41 515 0 Normal
05/11/2026 08 PM PDT 4.41 515 0 Normal
05/11/2026 09 PM PDT 4.41 515 0 Normal
05/11/2026 10 PM PDT 4.40 513 - Normal
05/11/2026 11 PM PDT 4.40 513 0 Normal
05/12/2026 12 AM PDT 4.39 511 - Normal
05/12/2026 01 AM PDT 4.40 513 + Normal
05/12/2026 02 AM PDT 4.39 511 - Normal
05/12/2026 03 AM PDT 4.40 513 + Normal
05/12/2026 04 AM PDT 4.40 513 0 Normal
05/12/2026 05 AM PDT 4.40 513 0 Normal
05/12/2026 06 AM PDT 4.41 515 + Normal
05/12/2026 07 AM PDT 4.42 517 + Normal
05/12/2026 08 AM PDT 4.42 517 0 Normal
05/12/2026 09 AM PDT 4.42 517 0 Normal
05/12/2026 10 AM PDT 4.43 519 + Normal
05/12/2026 11 AM PDT 4.43 519 0 Normal
05/12/2026 12 PM PDT 4.46 525 + Normal
05/12/2026 01 PM PDT 4.56 545 + Normal
05/12/2026 02 PM PDT 4.64 561 + Normal
05/12/2026 03 PM PDT 4.69 571 + Normal
05/12/2026 04 PM PDT 4.67 567 - Normal
05/12/2026 05 PM PDT 4.67 567 0 Normal
05/12/2026 06 PM PDT 4.66 565 - Normal
05/12/2026 07 PM PDT 4.66 565 0 Normal
05/12/2026 08 PM PDT 4.66 565 0 Normal
05/12/2026 09 PM PDT 4.66 565 0 Normal
05/12/2026 10 PM PDT 4.65 563 - Normal
05/12/2026 11 PM PDT 4.65 563 0 Normal
05/13/2026 12 AM PDT 4.65 563 0 Normal
05/13/2026 01 AM PDT 4.65 563 0 Normal
05/13/2026 02 AM PDT 4.65 563 0 Normal
05/13/2026 03 AM PDT 4.65 563 0 Normal
05/13/2026 04 AM PDT 4.66 565 + Normal
05/13/2026 05 AM PDT 4.66 565 0 Normal
05/13/2026 06 AM PDT 4.66 565 0 Normal
05/13/2026 07 AM PDT 4.66 565 0 Normal
05/13/2026 08 AM PDT 4.66 565 0 Normal
05/13/2026 09 AM PDT 4.67 567 + Normal
05/13/2026 10 AM PDT 4.67 567 0 Normal
05/13/2026 11 AM PDT 4.66 565 - Normal
05/13/2026 12 PM PDT 4.65 563 - Normal
05/13/2026 01 PM PDT 4.63 559 - Normal
05/13/2026 02 PM PDT 4.63 559 0 Normal
05/13/2026 03 PM PDT 4.63 559 0 Normal
05/13/2026 04 PM PDT 4.62 557 - Normal
05/13/2026 05 PM PDT 4.62 557 0 Normal
05/13/2026 06 PM PDT 4.61 555 - Normal
05/13/2026 07 PM PDT 4.62 557 + Normal
05/13/2026 08 PM PDT 4.61 555 - Normal
05/13/2026 09 PM PDT 4.62 557 + Normal
05/13/2026 10 PM PDT 4.61 555 - Normal
05/13/2026 11 PM PDT 4.61 555 0 Normal
05/14/2026 12 AM PDT 4.60 553 - Normal
05/14/2026 01 AM PDT 4.60 553 0 Normal
05/14/2026 02 AM PDT 4.60 553 0 Normal
05/14/2026 03 AM PDT 4.61 555 + Normal
05/14/2026 04 AM PDT 4.60 553 - Normal
05/14/2026 05 AM PDT 4.60 553 0 Normal
05/14/2026 06 AM PDT 4.61 555 + Normal
05/14/2026 07 AM PDT 4.61 555 0 Normal
05/14/2026 08 AM PDT 4.61 555 0 Normal
05/14/2026 09 AM PDT 4.61 555 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/14/2026 10 AM PDT 4.62 557 Normal
05/14/2026 11 AM PDT 4.62 557 0 Normal
05/14/2026 12 PM PDT 4.62 557 0 Normal
05/14/2026 01 PM PDT 4.62 557 0 Normal
05/14/2026 02 PM PDT 4.62 557 0 Normal
05/14/2026 03 PM PDT 4.62 557 0 Normal
05/14/2026 04 PM PDT 4.62 557 0 Normal
05/14/2026 05 PM PDT 4.62 557 0 Normal
05/14/2026 06 PM PDT 4.62 557 0 Normal
05/14/2026 07 PM PDT 4.62 557 0 Normal
05/14/2026 08 PM PDT 4.62 557 0 Normal
05/14/2026 09 PM PDT 4.63 559 + Normal
05/14/2026 10 PM PDT 4.63 559 0 Normal
05/14/2026 11 PM PDT 4.63 559 0 Normal
05/15/2026 12 AM PDT 4.63 559 0 Normal
05/15/2026 01 AM PDT 4.63 559 0 Normal
05/15/2026 02 AM PDT 4.63 559 0 Normal
05/15/2026 03 AM PDT 4.63 559 0 Normal
05/15/2026 04 AM PDT 4.63 559 0 Normal
05/15/2026 05 AM PDT 4.63 559 0 Normal
05/15/2026 06 AM PDT 4.63 559 0 Normal
05/15/2026 07 AM PDT 4.63 559 0 Normal
05/15/2026 08 AM PDT 4.63 559 0 Normal
05/15/2026 09 AM PDT 4.63 559 0 Normal
05/15/2026 10 AM PDT 4.63 559 0 Normal
05/15/2026 11 AM PDT 4.63 559 0 Normal
05/15/2026 12 PM PDT 4.63 559 0 Normal
05/15/2026 01 PM PDT 4.63 559 0 Normal
05/15/2026 02 PM PDT 4.63 559 0 Normal
05/15/2026 03 PM PDT 4.63 559 0 Normal
05/15/2026 04 PM PDT 4.63 559 0 Normal
05/15/2026 05 PM PDT 4.63 559 0 Normal
05/15/2026 06 PM PDT 4.63 559 0 Normal
05/15/2026 07 PM PDT 4.63 559 0 Normal
05/15/2026 08 PM PDT 4.63 559 0 Normal
05/15/2026 09 PM PDT 4.63 559 0 Normal
05/15/2026 10 PM PDT 4.63 559 0 Normal
05/15/2026 11 PM PDT 4.63 559 0 Normal
05/16/2026 12 AM PDT 4.63 559 0 Normal
05/16/2026 01 AM PDT 4.63 559 0 Normal
05/16/2026 02 AM PDT 4.63 559 0 Normal
05/16/2026 03 AM PDT 4.63 559 0 Normal
05/16/2026 04 AM PDT 4.63 559 0 Normal
05/16/2026 05 AM PDT 4.63 559 0 Normal
05/16/2026 06 AM PDT 4.63 559 0 Normal
05/16/2026 07 AM PDT 4.63 559 0 Normal
05/16/2026 08 AM PDT 4.63 559 0 Normal
05/16/2026 09 AM PDT 4.63 559 0 Normal
05/16/2026 10 AM PDT 4.63 559 0 Normal
05/16/2026 11 AM PDT 4.63 559 0 Normal
05/16/2026 12 PM PDT 4.63 559 0 Normal
05/16/2026 01 PM PDT 4.63 559 0 Normal
05/16/2026 02 PM PDT 4.63 559 0 Normal
05/16/2026 03 PM PDT 4.63 559 0 Normal
05/16/2026 04 PM PDT 4.63 559 0 Normal
05/16/2026 05 PM PDT 4.63 559 0 Normal
05/16/2026 06 PM PDT 4.63 559 0 Normal
05/16/2026 07 PM PDT 4.63 559 0 Normal
05/16/2026 08 PM PDT 4.63 559 0 Normal
05/16/2026 09 PM PDT 4.63 559 0 Normal
05/16/2026 10 PM PDT 4.62 557 - Normal
05/16/2026 11 PM PDT 4.62 557 0 Normal
05/17/2026 12 AM PDT 4.62 557 0 Normal
05/17/2026 01 AM PDT 4.62 557 0 Normal
05/17/2026 02 AM PDT 4.62 557 0 Normal
05/17/2026 03 AM PDT 4.62 557 0 Normal
05/17/2026 04 AM PDT 4.62 557 0 Normal
05/17/2026 05 AM PDT 4.62 557 0 Normal
05/17/2026 06 AM PDT 4.62 557 0 Normal
05/17/2026 07 AM PDT 4.62 557 0 Normal
05/17/2026 08 AM PDT 4.62 557 0 Normal
05/17/2026 09 AM PDT 4.62 557 0 Normal
05/17/2026 10 AM PDT 4.62 557 0 Normal
05/17/2026 11 AM PDT 4.62 557 0 Normal
05/17/2026 12 PM PDT 4.62 557 0 Normal
05/17/2026 01 PM PDT 4.62 557 0 Normal
05/17/2026 02 PM PDT 4.62 557 0 Normal
05/17/2026 03 PM PDT 4.62 557 0 Normal
05/17/2026 04 PM PDT 4.62 557 0 Normal
05/17/2026 05 PM PDT 4.62 557 0 Normal
05/17/2026 06 PM PDT 4.62 557 0 Normal
05/17/2026 07 PM PDT 4.62 557 0 Normal
05/17/2026 08 PM PDT 4.62 557 0 Normal
05/17/2026 09 PM PDT 4.62 557 0 Normal
05/17/2026 10 PM PDT 4.62 557 0 Normal
05/17/2026 11 PM PDT 4.62 557 0 Normal
05/18/2026 12 AM PDT 4.62 557 0 Normal
05/18/2026 01 AM PDT 4.62 557 0 Normal
05/18/2026 02 AM PDT 4.62 557 0 Normal
05/18/2026 03 AM PDT 4.62 557 0 Normal
05/18/2026 04 AM PDT 4.62 557 0 Normal
05/18/2026 05 AM PDT 4.62 557 0 Normal
05/18/2026 06 AM PDT 4.62 557 0 Normal
05/18/2026 07 AM PDT 4.62 557 0 Normal
05/18/2026 08 AM PDT 4.62 557 0 Normal
05/18/2026 09 AM PDT 4.62 557 0 Normal
05/18/2026 10 AM PDT 4.62 557 0 Normal
05/18/2026 11 AM PDT 4.62 557 0 Normal
05/18/2026 12 PM PDT 4.62 557 0 Normal
05/18/2026 01 PM PDT 4.62 557 0 Normal
05/18/2026 02 PM PDT 4.62 557 0 Normal
05/18/2026 03 PM PDT 4.62 557 0 Normal
05/18/2026 04 PM PDT 4.62 557 0 Normal
05/18/2026 05 PM PDT 4.62 557 0 Normal
05/18/2026 06 PM PDT 4.62 557 0 Normal
05/18/2026 07 PM PDT 4.62 557 0 Normal
05/18/2026 08 PM PDT 4.62 557 0 Normal
05/18/2026 09 PM PDT 4.62 557 0 Normal
05/18/2026 10 PM PDT 4.62 557 0 Normal
05/18/2026 11 PM PDT 4.62 557 0 Normal
05/19/2026 12 AM PDT 4.62 557 0 Normal
05/19/2026 01 AM PDT 4.62 557 0 Normal
05/19/2026 02 AM PDT 4.62 557 0 Normal
05/19/2026 03 AM PDT 4.62 557 0 Normal
05/19/2026 04 AM PDT 4.62 557 0 Normal
05/19/2026 05 AM PDT 4.62 557 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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