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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 09 2026 at 7:47 AM PDT | Next Issuance: | May 10 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: 05/09/2026 at 07:48 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/05/2026 at 04:00 PM PDT
# Maximum Observed Stage: 5.77 Feet
# Maximum Observed Flow: 813 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/09/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 4.86 Feet
# Maximum Forecast Flow: 607 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/04/2026 07 AM PDT 5.40 727 Normal
05/04/2026 08 AM PDT 5.40 727 0 Normal
05/04/2026 09 AM PDT 5.40 727 0 Normal
05/04/2026 10 AM PDT 5.40 727 0 Normal
05/04/2026 11 AM PDT 5.40 727 0 Normal
05/04/2026 12 PM PDT 5.41 729 + Normal
05/04/2026 01 PM PDT 5.47 743 + Normal
05/04/2026 02 PM PDT 5.57 766 + Normal
05/04/2026 03 PM PDT 5.62 778 + Normal
05/04/2026 04 PM PDT 5.63 780 + Normal
05/04/2026 05 PM PDT 5.61 775 - Normal
05/04/2026 06 PM PDT 5.60 773 - Normal
05/04/2026 07 PM PDT 5.58 768 - Normal
05/04/2026 08 PM PDT 5.58 768 0 Normal
05/04/2026 09 PM PDT 5.57 766 - Normal
05/04/2026 10 PM PDT 5.57 766 0 Normal
05/04/2026 11 PM PDT 5.56 764 - Normal
05/05/2026 12 AM PDT 5.55 761 - Normal
05/05/2026 01 AM PDT 5.54 759 - Normal
05/05/2026 02 AM PDT 5.54 759 0 Normal
05/05/2026 03 AM PDT 5.54 759 0 Normal
05/05/2026 04 AM PDT 5.54 759 0 Normal
05/05/2026 05 AM PDT 5.54 759 0 Normal
05/05/2026 06 AM PDT 5.54 759 0 Normal
05/05/2026 07 AM PDT 5.53 757 - Normal
05/05/2026 08 AM PDT 5.54 759 + Normal
05/05/2026 09 AM PDT 5.54 759 0 Normal
05/05/2026 10 AM PDT 5.54 759 0 Normal
05/05/2026 11 AM PDT 5.55 761 + Normal
05/05/2026 12 PM PDT 5.58 768 + Normal
05/05/2026 01 PM PDT 5.66 787 + Normal
05/05/2026 02 PM PDT 5.71 799 + Normal
05/05/2026 03 PM PDT 5.75 808 + Normal
05/05/2026 04 PM PDT 5.77 813 + Normal
05/05/2026 05 PM PDT 5.76 811 - Normal
05/05/2026 06 PM PDT 5.74 806 - Normal
05/05/2026 07 PM PDT 5.73 803 - Normal
05/05/2026 08 PM PDT 5.73 803 0 Normal
05/05/2026 09 PM PDT 5.72 801 - Normal
05/05/2026 10 PM PDT 5.72 801 0 Normal
05/05/2026 11 PM PDT 5.71 799 - Normal
05/06/2026 12 AM PDT 5.71 799 0 Normal
05/06/2026 01 AM PDT 5.71 799 0 Normal
05/06/2026 02 AM PDT 5.71 799 0 Normal
05/06/2026 03 AM PDT 5.71 799 0 Normal
05/06/2026 04 AM PDT 5.71 799 0 Normal
05/06/2026 05 AM PDT 5.72 801 + Normal
05/06/2026 06 AM PDT 5.72 801 0 Normal
05/06/2026 07 AM PDT 5.72 801 0 Normal
05/06/2026 08 AM PDT 5.72 801 0 Normal
05/06/2026 09 AM PDT 5.73 803 + Normal
05/06/2026 10 AM PDT 5.72 801 - Normal
05/06/2026 11 AM PDT 5.72 801 0 Normal
05/06/2026 12 PM PDT 5.73 803 + Normal
05/06/2026 01 PM PDT 5.73 803 0 Normal
05/06/2026 02 PM PDT 5.70 796 - Normal
05/06/2026 03 PM PDT 5.66 787 - Normal
05/06/2026 04 PM PDT 5.63 780 - Normal
05/06/2026 05 PM PDT 5.61 775 - Normal
05/06/2026 06 PM PDT 5.62 778 + Normal
05/06/2026 07 PM PDT 5.63 780 + Normal
05/06/2026 08 PM PDT 5.63 780 0 Normal
05/06/2026 09 PM PDT 5.64 782 + Normal
05/06/2026 10 PM PDT 5.64 782 0 Normal
05/06/2026 11 PM PDT 5.65 785 + Normal
05/07/2026 12 AM PDT 5.65 785 0 Normal
05/07/2026 01 AM PDT 5.65 785 0 Normal
05/07/2026 02 AM PDT 5.65 785 0 Normal
05/07/2026 03 AM PDT 5.65 785 0 Normal
05/07/2026 04 AM PDT 5.64 782 - Normal
05/07/2026 05 AM PDT 5.65 785 + Normal
05/07/2026 06 AM PDT 5.64 782 - Normal
05/07/2026 07 AM PDT 5.64 782 0 Normal
05/07/2026 08 AM PDT 5.65 785 + Normal
05/07/2026 09 AM PDT 5.65 785 0 Normal
05/07/2026 10 AM PDT 5.66 787 + Normal
05/07/2026 11 AM PDT 5.67 789 + Normal
05/07/2026 12 PM PDT 5.69 794 + Normal
05/07/2026 01 PM PDT 5.69 794 0 Normal
05/07/2026 02 PM PDT 5.69 794 0 Normal
05/07/2026 03 PM PDT 5.69 794 0 Normal
05/07/2026 04 PM PDT 5.70 796 + Normal
05/07/2026 05 PM PDT 5.70 796 0 Normal
05/07/2026 06 PM PDT 5.70 796 0 Normal
05/07/2026 07 PM PDT 5.70 796 0 Normal
05/07/2026 08 PM PDT 5.69 794 - Normal
05/07/2026 09 PM PDT 5.69 794 0 Normal
05/07/2026 10 PM PDT 5.69 794 0 Normal
05/07/2026 11 PM PDT 5.69 794 0 Normal
05/08/2026 12 AM PDT 5.68 792 - Normal
05/08/2026 01 AM PDT 5.68 792 0 Normal
05/08/2026 02 AM PDT 5.69 794 + Normal
05/08/2026 03 AM PDT 5.69 794 0 Normal
05/08/2026 04 AM PDT 5.69 794 0 Normal
05/08/2026 05 AM PDT 5.68 792 - Normal
05/08/2026 06 AM PDT 5.69 794 + Normal
05/08/2026 07 AM PDT 5.69 794 0 Normal
05/08/2026 08 AM PDT 5.69 794 0 Normal
05/08/2026 09 AM PDT 5.54 759 - Normal
05/08/2026 10 AM PDT 5.37 720 - Normal
05/08/2026 11 AM PDT 5.25 693 - Normal
05/08/2026 12 PM PDT 5.16 674 - Normal
05/08/2026 01 PM PDT 5.09 658 - Normal
05/08/2026 02 PM PDT 5.05 649 - Normal
05/08/2026 03 PM PDT 5.02 642 - Normal
05/08/2026 04 PM PDT 4.99 636 - Normal
05/08/2026 05 PM PDT 4.98 634 - Normal
05/08/2026 06 PM PDT 4.96 629 - Normal
05/08/2026 07 PM PDT 4.95 627 - Normal
05/08/2026 08 PM PDT 4.93 622 - Normal
05/08/2026 09 PM PDT 4.92 620 - Normal
05/08/2026 10 PM PDT 4.91 618 - Normal
05/08/2026 11 PM PDT 4.90 616 - Normal
05/09/2026 12 AM PDT 4.90 616 0 Normal
05/09/2026 01 AM PDT 4.89 614 - Normal
05/09/2026 02 AM PDT 4.89 614 0 Normal
05/09/2026 03 AM PDT 4.89 614 0 Normal
05/09/2026 04 AM PDT 4.89 614 0 Normal
05/09/2026 05 AM PDT 4.89 614 0 Normal
05/09/2026 06 AM PDT 4.88 612 - Normal
05/09/2026 07 AM PDT 4.87 609 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/09/2026 08 AM PDT 4.86 607 Normal
05/09/2026 09 AM PDT 4.84 603 - Normal
05/09/2026 10 AM PDT 4.83 601 - Normal
05/09/2026 11 AM PDT 4.82 598 - Normal
05/09/2026 12 PM PDT 4.81 596 - Normal
05/09/2026 01 PM PDT 4.80 594 - Normal
05/09/2026 02 PM PDT 4.79 592 - Normal
05/09/2026 03 PM PDT 4.79 592 0 Normal
05/09/2026 04 PM PDT 4.78 590 - Normal
05/09/2026 05 PM PDT 4.77 588 - Normal
05/09/2026 06 PM PDT 4.77 588 0 Normal
05/09/2026 07 PM PDT 4.76 586 - Normal
05/09/2026 08 PM PDT 4.76 586 0 Normal
05/09/2026 09 PM PDT 4.75 584 - Normal
05/09/2026 10 PM PDT 4.75 584 0 Normal
05/09/2026 11 PM PDT 4.74 582 - Normal
05/10/2026 12 AM PDT 4.74 582 0 Normal
05/10/2026 01 AM PDT 4.74 582 0 Normal
05/10/2026 02 AM PDT 4.73 580 - Normal
05/10/2026 03 AM PDT 4.73 580 0 Normal
05/10/2026 04 AM PDT 4.73 580 0 Normal
05/10/2026 05 AM PDT 4.72 578 - Normal
05/10/2026 06 AM PDT 4.72 578 0 Normal
05/10/2026 07 AM PDT 4.72 578 0 Normal
05/10/2026 08 AM PDT 4.72 578 0 Normal
05/10/2026 09 AM PDT 4.71 576 - Normal
05/10/2026 10 AM PDT 4.71 576 0 Normal
05/10/2026 11 AM PDT 4.71 576 0 Normal
05/10/2026 12 PM PDT 4.71 576 0 Normal
05/10/2026 01 PM PDT 4.71 576 0 Normal
05/10/2026 02 PM PDT 4.71 576 0 Normal
05/10/2026 03 PM PDT 4.71 576 0 Normal
05/10/2026 04 PM PDT 4.71 576 0 Normal
05/10/2026 05 PM PDT 4.71 576 0 Normal
05/10/2026 06 PM PDT 4.70 574 - Normal
05/10/2026 07 PM PDT 4.70 574 0 Normal
05/10/2026 08 PM PDT 4.70 574 0 Normal
05/10/2026 09 PM PDT 4.70 574 0 Normal
05/10/2026 10 PM PDT 4.70 574 0 Normal
05/10/2026 11 PM PDT 4.70 574 0 Normal
05/11/2026 12 AM PDT 4.70 574 0 Normal
05/11/2026 01 AM PDT 4.70 574 0 Normal
05/11/2026 02 AM PDT 4.70 574 0 Normal
05/11/2026 03 AM PDT 4.70 574 0 Normal
05/11/2026 04 AM PDT 4.70 574 0 Normal
05/11/2026 05 AM PDT 4.70 574 0 Normal
05/11/2026 06 AM PDT 4.70 574 0 Normal
05/11/2026 07 AM PDT 4.70 574 0 Normal
05/11/2026 08 AM PDT 4.70 574 0 Normal
05/11/2026 09 AM PDT 4.70 574 0 Normal
05/11/2026 10 AM PDT 4.70 574 0 Normal
05/11/2026 11 AM PDT 4.70 574 0 Normal
05/11/2026 12 PM PDT 4.70 574 0 Normal
05/11/2026 01 PM PDT 4.70 574 0 Normal
05/11/2026 02 PM PDT 4.70 574 0 Normal
05/11/2026 03 PM PDT 4.70 574 0 Normal
05/11/2026 04 PM PDT 4.70 574 0 Normal
05/11/2026 05 PM PDT 4.70 574 0 Normal
05/11/2026 06 PM PDT 4.70 574 0 Normal
05/11/2026 07 PM PDT 4.69 571 - Normal
05/11/2026 08 PM PDT 4.69 571 0 Normal
05/11/2026 09 PM PDT 4.69 571 0 Normal
05/11/2026 10 PM PDT 4.69 571 0 Normal
05/11/2026 11 PM PDT 4.69 571 0 Normal
05/12/2026 12 AM PDT 4.69 571 0 Normal
05/12/2026 01 AM PDT 4.69 571 0 Normal
05/12/2026 02 AM PDT 4.69 571 0 Normal
05/12/2026 03 AM PDT 4.69 571 0 Normal
05/12/2026 04 AM PDT 4.69 571 0 Normal
05/12/2026 05 AM PDT 4.69 571 0 Normal
05/12/2026 06 AM PDT 4.69 571 0 Normal
05/12/2026 07 AM PDT 4.69 571 0 Normal
05/12/2026 08 AM PDT 4.69 571 0 Normal
05/12/2026 09 AM PDT 4.69 571 0 Normal
05/12/2026 10 AM PDT 4.69 571 0 Normal
05/12/2026 11 AM PDT 4.69 571 0 Normal
05/12/2026 12 PM PDT 4.69 571 0 Normal
05/12/2026 01 PM PDT 4.69 571 0 Normal
05/12/2026 02 PM PDT 4.69 571 0 Normal
05/12/2026 03 PM PDT 4.69 571 0 Normal
05/12/2026 04 PM PDT 4.69 571 0 Normal
05/12/2026 05 PM PDT 4.69 571 0 Normal
05/12/2026 06 PM PDT 4.69 571 0 Normal
05/12/2026 07 PM PDT 4.69 571 0 Normal
05/12/2026 08 PM PDT 4.69 571 0 Normal
05/12/2026 09 PM PDT 4.69 571 0 Normal
05/12/2026 10 PM PDT 4.69 571 0 Normal
05/12/2026 11 PM PDT 4.69 571 0 Normal
05/13/2026 12 AM PDT 4.69 571 0 Normal
05/13/2026 01 AM PDT 4.69 571 0 Normal
05/13/2026 02 AM PDT 4.69 571 0 Normal
05/13/2026 03 AM PDT 4.69 571 0 Normal
05/13/2026 04 AM PDT 4.69 571 0 Normal
05/13/2026 05 AM PDT 4.69 571 0 Normal
05/13/2026 06 AM PDT 4.69 571 0 Normal
05/13/2026 07 AM PDT 4.69 571 0 Normal
05/13/2026 08 AM PDT 4.69 571 0 Normal
05/13/2026 09 AM PDT 4.69 571 0 Normal
05/13/2026 10 AM PDT 4.69 571 0 Normal
05/13/2026 11 AM PDT 4.69 571 0 Normal
05/13/2026 12 PM PDT 4.69 571 0 Normal
05/13/2026 01 PM PDT 4.69 571 0 Normal
05/13/2026 02 PM PDT 4.69 571 0 Normal
05/13/2026 03 PM PDT 4.69 571 0 Normal
05/13/2026 04 PM PDT 4.69 571 0 Normal
05/13/2026 05 PM PDT 4.69 571 0 Normal
05/13/2026 06 PM PDT 4.69 571 0 Normal
05/13/2026 07 PM PDT 4.69 571 0 Normal
05/13/2026 08 PM PDT 4.69 571 0 Normal
05/13/2026 09 PM PDT 4.69 571 0 Normal
05/13/2026 10 PM PDT 4.69 571 0 Normal
05/13/2026 11 PM PDT 4.69 571 0 Normal
05/14/2026 12 AM PDT 4.69 571 0 Normal
05/14/2026 01 AM PDT 4.69 571 0 Normal
05/14/2026 02 AM PDT 4.69 571 0 Normal
05/14/2026 03 AM PDT 4.69 571 0 Normal
05/14/2026 04 AM PDT 4.69 571 0 Normal
05/14/2026 05 AM PDT 4.69 571 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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