| Back to River Map | <<< Previous Forecast Point | | | Next Forecast Point >>> | Printer Version | Graph Version |  |
|
SAN JOAQUIN RIVER - PATTERSON (PATC1)
| Latitude: 37.49º N | Longitude: 121.08º W | Elevation: 97 Feet | | Forecast Type: Official Location |
| Location: Stanislaus County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Oct 24 2026 at 1:17 PM PDT | Next Issuance: | Oct 25 2026 at 9:00 AM PDT
| |
| Action: 48.0 Feet | Minor Flood: 54.7 Feet | Moderate Flood: 57.3 Feet | Major Flood: 58.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time: 10/24/2026 at 01:17 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 10/24/2026 at 08:00 AM PDT
# Maximum Observed Stage: 31.41 Feet
# Maximum Observed Flow: 678 cfs
#
# Earliest Date & Time of Maximum Forecast: 10/26/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 32.70 Feet
# Maximum Forecast Flow: 1150 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/19/2026 01 PM PDT 31.03 567 Normal
10/19/2026 02 PM PDT 31.02 564 - Normal
10/19/2026 03 PM PDT 31.02 564 0 Normal
10/19/2026 04 PM PDT 31.03 567 + Normal
10/19/2026 05 PM PDT 31.03 567 0 Normal
10/19/2026 06 PM PDT 31.02 564 - Normal
10/19/2026 07 PM PDT 31.02 564 0 Normal
10/19/2026 08 PM PDT 31.02 564 0 Normal
10/19/2026 09 PM PDT 31.01 561 - Normal
10/19/2026 10 PM PDT 31.01 561 0 Normal
10/19/2026 11 PM PDT 31.01 561 0 Normal
10/20/2026 12 AM PDT 31.00 559 - Normal
10/20/2026 01 AM PDT 31.00 559 0 Normal
10/20/2026 02 AM PDT 31.00 559 0 Normal
10/20/2026 03 AM PDT 30.99 556 - Normal
10/20/2026 04 AM PDT 30.99 556 0 Normal
10/20/2026 05 AM PDT 30.99 556 0 Normal
10/20/2026 06 AM PDT 30.99 556 0 Normal
10/20/2026 07 AM PDT 30.98 553 - Normal
10/20/2026 08 AM PDT 30.99 556 + Normal
10/20/2026 09 AM PDT 30.96 547 - Normal
10/20/2026 10 AM PDT 30.96 547 0 Normal
10/20/2026 11 AM PDT 30.97 550 + Normal
10/20/2026 12 PM PDT 30.96 547 - Normal
10/20/2026 01 PM PDT 30.95 545 - Normal
10/20/2026 02 PM PDT 30.96 547 + Normal
10/20/2026 03 PM PDT 30.95 545 - Normal
10/20/2026 04 PM PDT 30.95 545 0 Normal
10/20/2026 05 PM PDT 30.95 545 0 Normal
10/20/2026 06 PM PDT 30.95 545 0 Normal
10/20/2026 07 PM PDT 30.95 545 0 Normal
10/20/2026 08 PM PDT 30.95 545 0 Normal
10/20/2026 09 PM PDT 30.96 547 + Normal
10/20/2026 10 PM PDT 30.97 550 + Normal
10/20/2026 11 PM PDT 30.98 553 + Normal
10/21/2026 12 AM PDT 30.98 553 0 Normal
10/21/2026 01 AM PDT 30.99 556 + Normal
10/21/2026 02 AM PDT 31.00 559 + Normal
10/21/2026 03 AM PDT 31.01 561 + Normal
10/21/2026 04 AM PDT 31.00 559 - Normal
10/21/2026 05 AM PDT 31.00 559 0 Normal
10/21/2026 06 AM PDT 31.00 559 0 Normal
10/21/2026 07 AM PDT 31.00 559 0 Normal
10/21/2026 08 AM PDT 30.99 556 - Normal
10/21/2026 09 AM PDT 30.98 553 - Normal
10/21/2026 10 AM PDT 30.98 553 0 Normal
10/21/2026 11 AM PDT 31.00 559 + Normal
10/21/2026 12 PM PDT 30.99 556 - Normal
10/21/2026 01 PM PDT 30.99 556 0 Normal
10/21/2026 02 PM PDT 31.00 559 + Normal
10/21/2026 03 PM PDT 31.00 559 0 Normal
10/21/2026 04 PM PDT 31.01 561 + Normal
10/21/2026 05 PM PDT 31.03 567 + Normal
10/21/2026 06 PM PDT 31.03 567 0 Normal
10/21/2026 07 PM PDT 31.05 573 + Normal
10/21/2026 08 PM PDT 31.05 573 0 Normal
10/21/2026 09 PM PDT 31.04 570 - Normal
10/21/2026 10 PM PDT 31.05 573 + Normal
10/21/2026 11 PM PDT 31.05 573 0 Normal
10/22/2026 12 AM PDT 31.05 573 0 Normal
10/22/2026 01 AM PDT 31.05 573 0 Normal
10/22/2026 02 AM PDT 31.05 573 0 Normal
10/22/2026 03 AM PDT 31.05 573 0 Normal
10/22/2026 04 AM PDT 31.09 584 + Normal
10/22/2026 05 AM PDT 31.10 587 + Normal
10/22/2026 06 AM PDT 31.10 587 0 Normal
10/22/2026 07 AM PDT 31.12 593 + Normal
10/22/2026 08 AM PDT 31.12 593 0 Normal
10/22/2026 09 AM PDT 31.13 595 + Normal
10/22/2026 10 AM PDT 31.14 598 + Normal
10/22/2026 11 AM PDT 31.15 601 + Normal
10/22/2026 12 PM PDT 31.17 607 + Normal
10/22/2026 01 PM PDT 31.18 610 + Normal
10/22/2026 02 PM PDT 31.19 613 + Normal
10/22/2026 03 PM PDT 31.19 613 0 Normal
10/22/2026 04 PM PDT 31.20 616 + Normal
10/22/2026 05 PM PDT 31.22 622 + Normal
10/22/2026 06 PM PDT 31.23 624 + Normal
10/22/2026 07 PM PDT 31.24 627 + Normal
10/22/2026 08 PM PDT 31.24 627 0 Normal
10/22/2026 09 PM PDT 31.26 633 + Normal
10/22/2026 10 PM PDT 31.26 633 0 Normal
10/22/2026 11 PM PDT 31.23 624 - Normal
10/23/2026 12 AM PDT 31.24 627 + Normal
10/23/2026 01 AM PDT 31.24 627 0 Normal
10/23/2026 02 AM PDT 31.23 624 - Normal
10/23/2026 03 AM PDT 31.23 624 0 Normal
10/23/2026 04 AM PDT 31.23 624 0 Normal
10/23/2026 05 AM PDT 31.22 622 - Normal
10/23/2026 06 AM PDT 31.23 624 + Normal
10/23/2026 07 AM PDT 31.24 627 + Normal
10/23/2026 08 AM PDT 31.25 630 + Normal
10/23/2026 09 AM PDT 31.27 636 + Normal
10/23/2026 10 AM PDT 31.30 645 + Normal
10/23/2026 11 AM PDT 31.27 636 - Normal
10/23/2026 12 PM PDT 31.29 642 + Normal
10/23/2026 01 PM PDT 31.31 648 + Normal
10/23/2026 02 PM PDT 31.36 663 + Normal
10/23/2026 03 PM PDT 31.36 663 0 Normal
10/23/2026 04 PM PDT 31.35 660 - Normal
10/23/2026 05 PM PDT 31.37 666 + Normal
10/23/2026 06 PM PDT 31.38 669 + Normal
10/23/2026 07 PM PDT 31.37 666 - Normal
10/23/2026 08 PM PDT 31.38 669 + Normal
10/23/2026 09 PM PDT 31.38 669 0 Normal
10/23/2026 10 PM PDT 31.38 669 0 Normal
10/23/2026 11 PM PDT 31.38 669 0 Normal
10/24/2026 12 AM PDT 31.38 669 0 Normal
10/24/2026 01 AM PDT 31.38 669 0 Normal
10/24/2026 02 AM PDT 31.39 672 + Normal
10/24/2026 03 AM PDT 31.39 672 0 Normal
10/24/2026 04 AM PDT 31.40 675 + Normal
10/24/2026 05 AM PDT 31.41 678 + Normal
10/24/2026 06 AM PDT 31.41 678 0 Normal
10/24/2026 07 AM PDT 31.41 678 0 Normal
10/24/2026 08 AM PDT 31.41 678 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
10/24/2026 01 PM PDT 31.45 691 Normal
10/24/2026 02 PM PDT 31.47 698 + Normal
10/24/2026 03 PM PDT 31.49 705 + Normal
10/24/2026 04 PM PDT 31.51 711 + Normal
10/24/2026 05 PM PDT 31.53 718 + Normal
10/24/2026 06 PM PDT 31.55 725 + Normal
10/24/2026 07 PM PDT 31.58 735 + Normal
10/24/2026 08 PM PDT 31.61 745 + Normal
10/24/2026 09 PM PDT 31.64 755 + Normal
10/24/2026 10 PM PDT 31.67 765 + Normal
10/24/2026 11 PM PDT 31.70 776 + Normal
10/25/2026 12 AM PDT 31.73 786 + Normal
10/25/2026 01 AM PDT 31.77 800 + Normal
10/25/2026 02 AM PDT 31.81 814 + Normal
10/25/2026 03 AM PDT 31.84 825 + Normal
10/25/2026 04 AM PDT 31.88 839 + Normal
10/25/2026 05 AM PDT 31.92 853 + Normal
10/25/2026 06 AM PDT 31.96 868 + Normal
10/25/2026 07 AM PDT 31.99 879 + Normal
10/25/2026 08 AM PDT 32.03 893 + Normal
10/25/2026 09 AM PDT 32.06 905 + Normal
10/25/2026 10 AM PDT 32.10 919 + Normal
10/25/2026 11 AM PDT 32.14 934 + Normal
10/25/2026 12 PM PDT 32.18 949 + Normal
10/25/2026 01 PM PDT 32.22 964 + Normal
10/25/2026 02 PM PDT 32.26 980 + Normal
10/25/2026 03 PM PDT 32.30 995 + Normal
10/25/2026 04 PM PDT 32.34 1010 + Normal
10/25/2026 05 PM PDT 32.37 1021 + Normal
10/25/2026 06 PM PDT 32.41 1037 + Normal
10/25/2026 07 PM PDT 32.45 1052 + Normal
10/25/2026 08 PM PDT 32.48 1064 + Normal
10/25/2026 09 PM PDT 32.52 1079 + Normal
10/25/2026 10 PM PDT 32.55 1091 + Normal
10/25/2026 11 PM PDT 32.58 1103 + Normal
10/26/2026 12 AM PDT 32.60 1110 + Normal
10/26/2026 01 AM PDT 32.63 1122 + Normal
10/26/2026 02 AM PDT 32.65 1130 + Normal
10/26/2026 03 AM PDT 32.66 1134 + Normal
10/26/2026 04 AM PDT 32.67 1138 + Normal
10/26/2026 05 AM PDT 32.69 1146 + Normal
10/26/2026 06 AM PDT 32.69 1146 0 Normal
10/26/2026 07 AM PDT 32.70 1150 + Normal
10/26/2026 08 AM PDT 32.70 1150 0 Normal
10/26/2026 09 AM PDT 32.70 1150 0 Normal
10/26/2026 10 AM PDT 32.70 1150 0 Normal
10/26/2026 11 AM PDT 32.69 1146 - Normal
10/26/2026 12 PM PDT 32.69 1146 0 Normal
10/26/2026 01 PM PDT 32.68 1142 - Normal
10/26/2026 02 PM PDT 32.67 1138 - Normal
10/26/2026 03 PM PDT 32.66 1134 - Normal
10/26/2026 04 PM PDT 32.65 1130 - Normal
10/26/2026 05 PM PDT 32.64 1126 - Normal
10/26/2026 06 PM PDT 32.63 1122 - Normal
10/26/2026 07 PM PDT 32.62 1118 - Normal
10/26/2026 08 PM PDT 32.60 1110 - Normal
10/26/2026 09 PM PDT 32.59 1106 - Normal
10/26/2026 10 PM PDT 32.58 1103 - Normal
10/26/2026 11 PM PDT 32.56 1095 - Normal
10/27/2026 12 AM PDT 32.55 1091 - Normal
10/27/2026 01 AM PDT 32.53 1083 - Normal
10/27/2026 02 AM PDT 32.52 1079 - Normal
10/27/2026 03 AM PDT 32.51 1075 - Normal
10/27/2026 04 AM PDT 32.49 1067 - Normal
10/27/2026 05 AM PDT 32.48 1064 - Normal
10/27/2026 06 AM PDT 32.46 1056 - Normal
10/27/2026 07 AM PDT 32.45 1052 - Normal
10/27/2026 08 AM PDT 32.44 1048 - Normal
10/27/2026 09 AM PDT 32.43 1044 - Normal
10/27/2026 10 AM PDT 32.41 1037 - Normal
10/27/2026 11 AM PDT 32.40 1033 - Normal
10/27/2026 12 PM PDT 32.39 1029 - Normal
10/27/2026 01 PM PDT 32.38 1025 - Normal
10/27/2026 02 PM PDT 32.37 1021 - Normal
10/27/2026 03 PM PDT 32.36 1018 - Normal
10/27/2026 04 PM PDT 32.35 1014 - Normal
10/27/2026 05 PM PDT 32.34 1010 - Normal
10/27/2026 06 PM PDT 32.34 1010 0 Normal
10/27/2026 07 PM PDT 32.33 1006 - Normal
10/27/2026 08 PM PDT 32.32 1003 - Normal
10/27/2026 09 PM PDT 32.31 999 - Normal
10/27/2026 10 PM PDT 32.31 999 0 Normal
10/27/2026 11 PM PDT 32.30 995 - Normal
10/28/2026 12 AM PDT 32.29 991 - Normal
10/28/2026 01 AM PDT 32.29 991 0 Normal
10/28/2026 02 AM PDT 32.28 987 - Normal
10/28/2026 03 AM PDT 32.28 987 0 Normal
10/28/2026 04 AM PDT 32.27 983 - Normal
10/28/2026 05 AM PDT 32.27 983 0 Normal
10/28/2026 06 AM PDT 32.26 980 - Normal
10/28/2026 07 AM PDT 32.26 980 0 Normal
10/28/2026 08 AM PDT 32.25 976 - Normal
10/28/2026 09 AM PDT 32.25 976 0 Normal
10/28/2026 10 AM PDT 32.25 976 0 Normal
10/28/2026 11 AM PDT 32.24 972 - Normal
10/28/2026 12 PM PDT 32.24 972 0 Normal
10/28/2026 01 PM PDT 32.24 972 0 Normal
10/28/2026 02 PM PDT 32.23 968 - Normal
10/28/2026 03 PM PDT 32.23 968 0 Normal
10/28/2026 04 PM PDT 32.23 968 0 Normal
10/28/2026 05 PM PDT 32.23 968 0 Normal
10/28/2026 06 PM PDT 32.22 964 - Normal
10/28/2026 07 PM PDT 32.22 964 0 Normal
10/28/2026 08 PM PDT 32.22 964 0 Normal
10/28/2026 09 PM PDT 32.22 964 0 Normal
10/28/2026 10 PM PDT 32.21 961 - Normal
10/28/2026 11 PM PDT 32.21 961 0 Normal
10/29/2026 12 AM PDT 32.21 961 0 Normal
10/29/2026 01 AM PDT 32.21 961 0 Normal
10/29/2026 02 AM PDT 32.21 961 0 Normal
10/29/2026 03 AM PDT 32.20 957 - Normal
10/29/2026 04 AM PDT 32.20 957 0 Normal
10/29/2026 05 AM PDT 32.20 957 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.
|