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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: | Apr 23 2026 at 8:14 AM PDT | Next Issuance: | Apr 24 2026 at 9:00 AM PDT
| |
| 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: 04/23/2026 at 08:16 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/18/2026 at 11:00 AM PDT
# Maximum Observed Stage: 5.22 Feet
# Maximum Observed Flow: 687 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/23/2026 at 08:00 PM PDT
# Maximum Forecast Stage: 5.08 Feet
# Maximum Forecast Flow: 656 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/18/2026 08 AM PDT 5.21 685 Normal
04/18/2026 09 AM PDT 5.20 682 - Normal
04/18/2026 10 AM PDT 5.21 685 + Normal
04/18/2026 11 AM PDT 5.22 687 + Normal
04/18/2026 12 PM PDT 5.21 685 - Normal
04/18/2026 01 PM PDT 5.21 685 0 Normal
04/18/2026 02 PM PDT 5.21 685 0 Normal
04/18/2026 03 PM PDT 5.21 685 0 Normal
04/18/2026 04 PM PDT 5.21 685 0 Normal
04/18/2026 05 PM PDT 5.20 682 - Normal
04/18/2026 06 PM PDT 5.20 682 0 Normal
04/18/2026 07 PM PDT 5.20 682 0 Normal
04/18/2026 08 PM PDT 5.19 680 - Normal
04/18/2026 09 PM PDT 5.19 680 0 Normal
04/18/2026 10 PM PDT 5.19 680 0 Normal
04/18/2026 11 PM PDT 5.18 678 - Normal
04/19/2026 12 AM PDT 5.18 678 0 Normal
04/19/2026 01 AM PDT 5.17 676 - Normal
04/19/2026 02 AM PDT 5.18 678 + Normal
04/19/2026 03 AM PDT 5.18 678 0 Normal
04/19/2026 04 AM PDT 5.19 680 + Normal
04/19/2026 05 AM PDT 5.18 678 - Normal
04/19/2026 06 AM PDT 5.18 678 0 Normal
04/19/2026 07 AM PDT 5.17 676 - Normal
04/19/2026 08 AM PDT 5.18 678 + Normal
04/19/2026 09 AM PDT 5.18 678 0 Normal
04/19/2026 10 AM PDT 5.17 676 - Normal
04/19/2026 11 AM PDT 5.16 674 - Normal
04/19/2026 12 PM PDT 5.17 676 + Normal
04/19/2026 01 PM PDT 5.16 674 - Normal
04/19/2026 02 PM PDT 5.14 669 - Normal
04/19/2026 03 PM PDT 5.12 665 - Normal
04/19/2026 04 PM PDT 5.11 662 - Normal
04/19/2026 05 PM PDT 5.11 662 0 Normal
04/19/2026 06 PM PDT 5.11 662 0 Normal
04/19/2026 07 PM PDT 5.10 660 - Normal
04/19/2026 08 PM PDT 5.09 658 - Normal
04/19/2026 09 PM PDT 5.08 656 - Normal
04/19/2026 10 PM PDT 5.08 656 0 Normal
04/19/2026 11 PM PDT 5.08 656 0 Normal
04/20/2026 12 AM PDT 5.07 654 - Normal
04/20/2026 01 AM PDT 5.07 654 0 Normal
04/20/2026 02 AM PDT 5.07 654 0 Normal
04/20/2026 03 AM PDT 5.07 654 0 Normal
04/20/2026 04 AM PDT 5.07 654 0 Normal
04/20/2026 05 AM PDT 5.07 654 0 Normal
04/20/2026 06 AM PDT 5.07 654 0 Normal
04/20/2026 07 AM PDT 5.07 654 0 Normal
04/20/2026 08 AM PDT 5.07 654 0 Normal
04/20/2026 09 AM PDT 5.08 656 + Normal
04/20/2026 10 AM PDT 5.08 656 0 Normal
04/20/2026 11 AM PDT 5.07 654 - Normal
04/20/2026 12 PM PDT 5.08 656 + Normal
04/20/2026 01 PM PDT 5.07 654 - Normal
04/20/2026 02 PM PDT 5.07 654 0 Normal
04/20/2026 03 PM PDT 5.07 654 0 Normal
04/20/2026 04 PM PDT 5.06 651 - Normal
04/20/2026 05 PM PDT 5.06 651 0 Normal
04/20/2026 06 PM PDT 5.06 651 0 Normal
04/20/2026 07 PM PDT 5.06 651 0 Normal
04/20/2026 08 PM PDT 5.06 651 0 Normal
04/20/2026 09 PM PDT 5.05 649 - Normal
04/20/2026 10 PM PDT 5.06 651 + Normal
04/20/2026 11 PM PDT 5.05 649 - Normal
04/21/2026 12 AM PDT 5.05 649 0 Normal
04/21/2026 01 AM PDT 5.05 649 0 Normal
04/21/2026 02 AM PDT 5.05 649 0 Normal
04/21/2026 03 AM PDT 5.05 649 0 Normal
04/21/2026 04 AM PDT 5.04 647 - Normal
04/21/2026 05 AM PDT 5.04 647 0 Normal
04/21/2026 06 AM PDT 5.04 647 0 Normal
04/21/2026 07 AM PDT 5.05 649 + Normal
04/21/2026 08 AM PDT 5.05 649 0 Normal
04/21/2026 09 AM PDT 5.06 651 + Normal
04/21/2026 10 AM PDT 5.06 651 0 Normal
04/21/2026 11 AM PDT 5.05 649 - Normal
04/21/2026 12 PM PDT 5.04 647 - Normal
04/21/2026 01 PM PDT 5.07 654 + Normal
04/21/2026 02 PM PDT 5.06 651 - Normal
04/21/2026 03 PM PDT 5.06 651 0 Normal
04/21/2026 04 PM PDT 5.06 651 0 Normal
04/21/2026 05 PM PDT 5.06 651 0 Normal
04/21/2026 06 PM PDT 5.05 649 - Normal
04/21/2026 07 PM PDT 5.06 651 + Normal
04/21/2026 08 PM PDT 5.05 649 - Normal
04/21/2026 09 PM PDT 5.05 649 0 Normal
04/21/2026 10 PM PDT 5.06 651 + Normal
04/21/2026 11 PM PDT 5.05 649 - Normal
04/22/2026 12 AM PDT 5.06 651 + Normal
04/22/2026 01 AM PDT 5.06 651 0 Normal
04/22/2026 02 AM PDT 5.06 651 0 Normal
04/22/2026 03 AM PDT 5.07 654 + Normal
04/22/2026 04 AM PDT 5.07 654 0 Normal
04/22/2026 05 AM PDT 5.07 654 0 Normal
04/22/2026 06 AM PDT 5.07 654 0 Normal
04/22/2026 07 AM PDT 5.07 654 0 Normal
04/22/2026 08 AM PDT 5.08 656 + Normal
04/22/2026 09 AM PDT 5.08 656 0 Normal
04/22/2026 10 AM PDT 5.09 658 + Normal
04/22/2026 11 AM PDT 5.09 658 0 Normal
04/22/2026 12 PM PDT 5.09 658 0 Normal
04/22/2026 01 PM PDT 5.09 658 0 Normal
04/22/2026 02 PM PDT 5.09 658 0 Normal
04/22/2026 03 PM PDT 5.08 656 - Normal
04/22/2026 04 PM PDT 5.08 656 0 Normal
04/22/2026 05 PM PDT 5.08 656 0 Normal
04/22/2026 06 PM PDT 5.08 656 0 Normal
04/22/2026 07 PM PDT 5.07 654 - Normal
04/22/2026 08 PM PDT 5.07 654 0 Normal
04/22/2026 09 PM PDT 5.06 651 - Normal
04/22/2026 10 PM PDT 5.06 651 0 Normal
04/22/2026 11 PM PDT 5.06 651 0 Normal
04/23/2026 12 AM PDT 5.06 651 0 Normal
04/23/2026 01 AM PDT 5.05 649 - Normal
04/23/2026 02 AM PDT 5.05 649 0 Normal
04/23/2026 03 AM PDT 5.05 649 0 Normal
04/23/2026 04 AM PDT 5.05 649 0 Normal
04/23/2026 05 AM PDT 5.05 649 0 Normal
04/23/2026 06 AM PDT 5.05 649 0 Normal
04/23/2026 07 AM PDT 5.05 649 0 Normal
04/23/2026 08 AM PDT 5.06 651 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/23/2026 09 AM PDT 5.06 651 Normal
04/23/2026 10 AM PDT 5.06 651 0 Normal
04/23/2026 11 AM PDT 5.07 654 + Normal
04/23/2026 12 PM PDT 5.07 654 0 Normal
04/23/2026 01 PM PDT 5.07 654 0 Normal
04/23/2026 02 PM PDT 5.07 654 0 Normal
04/23/2026 03 PM PDT 5.07 654 0 Normal
04/23/2026 04 PM PDT 5.07 654 0 Normal
04/23/2026 05 PM PDT 5.07 654 0 Normal
04/23/2026 06 PM PDT 5.07 654 0 Normal
04/23/2026 07 PM PDT 5.07 654 0 Normal
04/23/2026 08 PM PDT 5.08 656 + Normal
04/23/2026 09 PM PDT 5.08 656 0 Normal
04/23/2026 10 PM PDT 5.08 656 0 Normal
04/23/2026 11 PM PDT 5.08 656 0 Normal
04/24/2026 12 AM PDT 5.08 656 0 Normal
04/24/2026 01 AM PDT 5.08 656 0 Normal
04/24/2026 02 AM PDT 5.08 656 0 Normal
04/24/2026 03 AM PDT 5.08 656 0 Normal
04/24/2026 04 AM PDT 5.08 656 0 Normal
04/24/2026 05 AM PDT 5.08 656 0 Normal
04/24/2026 06 AM PDT 5.08 656 0 Normal
04/24/2026 07 AM PDT 5.08 656 0 Normal
04/24/2026 08 AM PDT 5.08 656 0 Normal
04/24/2026 09 AM PDT 5.08 656 0 Normal
04/24/2026 10 AM PDT 5.08 656 0 Normal
04/24/2026 11 AM PDT 5.08 656 0 Normal
04/24/2026 12 PM PDT 5.08 656 0 Normal
04/24/2026 01 PM PDT 5.08 656 0 Normal
04/24/2026 02 PM PDT 5.08 656 0 Normal
04/24/2026 03 PM PDT 5.08 656 0 Normal
04/24/2026 04 PM PDT 5.08 656 0 Normal
04/24/2026 05 PM PDT 5.08 656 0 Normal
04/24/2026 06 PM PDT 5.08 656 0 Normal
04/24/2026 07 PM PDT 5.08 656 0 Normal
04/24/2026 08 PM PDT 5.08 656 0 Normal
04/24/2026 09 PM PDT 5.08 656 0 Normal
04/24/2026 10 PM PDT 5.08 656 0 Normal
04/24/2026 11 PM PDT 5.08 656 0 Normal
04/25/2026 12 AM PDT 5.08 656 0 Normal
04/25/2026 01 AM PDT 5.08 656 0 Normal
04/25/2026 02 AM PDT 5.08 656 0 Normal
04/25/2026 03 AM PDT 5.08 656 0 Normal
04/25/2026 04 AM PDT 5.08 656 0 Normal
04/25/2026 05 AM PDT 5.08 656 0 Normal
04/25/2026 06 AM PDT 5.08 656 0 Normal
04/25/2026 07 AM PDT 5.08 656 0 Normal
04/25/2026 08 AM PDT 5.08 656 0 Normal
04/25/2026 09 AM PDT 5.08 656 0 Normal
04/25/2026 10 AM PDT 5.08 656 0 Normal
04/25/2026 11 AM PDT 5.08 656 0 Normal
04/25/2026 12 PM PDT 5.08 656 0 Normal
04/25/2026 01 PM PDT 5.08 656 0 Normal
04/25/2026 02 PM PDT 5.08 656 0 Normal
04/25/2026 03 PM PDT 5.08 656 0 Normal
04/25/2026 04 PM PDT 5.08 656 0 Normal
04/25/2026 05 PM PDT 5.08 656 0 Normal
04/25/2026 06 PM PDT 5.08 656 0 Normal
04/25/2026 07 PM PDT 5.08 656 0 Normal
04/25/2026 08 PM PDT 5.08 656 0 Normal
04/25/2026 09 PM PDT 5.08 656 0 Normal
04/25/2026 10 PM PDT 5.08 656 0 Normal
04/25/2026 11 PM PDT 5.08 656 0 Normal
04/26/2026 12 AM PDT 5.08 656 0 Normal
04/26/2026 01 AM PDT 5.08 656 0 Normal
04/26/2026 02 AM PDT 5.08 656 0 Normal
04/26/2026 03 AM PDT 5.08 656 0 Normal
04/26/2026 04 AM PDT 5.08 656 0 Normal
04/26/2026 05 AM PDT 5.08 656 0 Normal
04/26/2026 06 AM PDT 5.08 656 0 Normal
04/26/2026 07 AM PDT 5.08 656 0 Normal
04/26/2026 08 AM PDT 5.08 656 0 Normal
04/26/2026 09 AM PDT 5.08 656 0 Normal
04/26/2026 10 AM PDT 5.08 656 0 Normal
04/26/2026 11 AM PDT 5.08 656 0 Normal
04/26/2026 12 PM PDT 5.08 656 0 Normal
04/26/2026 01 PM PDT 5.08 656 0 Normal
04/26/2026 02 PM PDT 5.08 656 0 Normal
04/26/2026 03 PM PDT 5.08 656 0 Normal
04/26/2026 04 PM PDT 5.08 656 0 Normal
04/26/2026 05 PM PDT 5.08 656 0 Normal
04/26/2026 06 PM PDT 5.08 656 0 Normal
04/26/2026 07 PM PDT 5.08 656 0 Normal
04/26/2026 08 PM PDT 5.08 656 0 Normal
04/26/2026 09 PM PDT 5.08 656 0 Normal
04/26/2026 10 PM PDT 5.08 656 0 Normal
04/26/2026 11 PM PDT 5.08 656 0 Normal
04/27/2026 12 AM PDT 5.08 656 0 Normal
04/27/2026 01 AM PDT 5.08 656 0 Normal
04/27/2026 02 AM PDT 5.08 656 0 Normal
04/27/2026 03 AM PDT 5.08 656 0 Normal
04/27/2026 04 AM PDT 5.08 656 0 Normal
04/27/2026 05 AM PDT 5.08 656 0 Normal
04/27/2026 06 AM PDT 5.08 656 0 Normal
04/27/2026 07 AM PDT 5.08 656 0 Normal
04/27/2026 08 AM PDT 5.08 656 0 Normal
04/27/2026 09 AM PDT 5.08 656 0 Normal
04/27/2026 10 AM PDT 5.08 656 0 Normal
04/27/2026 11 AM PDT 5.08 656 0 Normal
04/27/2026 12 PM PDT 5.08 656 0 Normal
04/27/2026 01 PM PDT 5.08 656 0 Normal
04/27/2026 02 PM PDT 5.08 656 0 Normal
04/27/2026 03 PM PDT 5.08 656 0 Normal
04/27/2026 04 PM PDT 5.08 656 0 Normal
04/27/2026 05 PM PDT 5.08 656 0 Normal
04/27/2026 06 PM PDT 5.08 656 0 Normal
04/27/2026 07 PM PDT 5.08 656 0 Normal
04/27/2026 08 PM PDT 5.08 656 0 Normal
04/27/2026 09 PM PDT 5.08 656 0 Normal
04/27/2026 10 PM PDT 5.08 656 0 Normal
04/27/2026 11 PM PDT 5.08 656 0 Normal
04/28/2026 12 AM PDT 5.08 656 0 Normal
04/28/2026 01 AM PDT 5.08 656 0 Normal
04/28/2026 02 AM PDT 5.08 656 0 Normal
04/28/2026 03 AM PDT 5.08 656 0 Normal
04/28/2026 04 AM PDT 5.08 656 0 Normal
04/28/2026 05 AM PDT 5.08 656 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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