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SAN JOAQUIN RIVER - GRAVELLY FORD (GVAC1)
| Latitude: 36.80º N | Longitude: 120.16º W | Elevation: 170 Feet | | Forecast Type: Unofficial Location |
| Location: Fresno County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Apr 28 2026 at 7:54 AM PDT | Next Issuance: | Apr 29 2026 at 9:00 AM PDT
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| Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Gravelly Ford (GVAC1)
#
# File Generation Time: 04/28/2026 at 07:56 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/23/2026 at 06:00 PM PDT
# Maximum Observed Stage: 5.09 Feet
# Maximum Observed Flow: 696 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/28/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 4.98 Feet
# Maximum Forecast Flow: 657 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/23/2026 07 AM PDT 5.02 671 Not Applicable
04/23/2026 08 AM PDT 5.02 671 0 Not Applicable
04/23/2026 09 AM PDT 5.02 671 0 Not Applicable
04/23/2026 10 AM PDT 4.97 654 - Not Applicable
04/23/2026 11 AM PDT 5.04 678 + Not Applicable
04/23/2026 12 PM PDT 5.02 671 - Not Applicable
04/23/2026 01 PM PDT 5.02 671 0 Not Applicable
04/23/2026 02 PM PDT 5.03 675 + Not Applicable
04/23/2026 03 PM PDT 5.04 678 + Not Applicable
04/23/2026 04 PM PDT 5.01 668 - Not Applicable
04/23/2026 05 PM PDT 5.00 664 - Not Applicable
04/23/2026 06 PM PDT 5.09 696 + Not Applicable
04/23/2026 07 PM PDT 5.02 671 - Not Applicable
04/23/2026 08 PM PDT 4.99 661 - Not Applicable
04/23/2026 09 PM PDT 4.93 640 - Not Applicable
04/23/2026 10 PM PDT 5.01 668 + Not Applicable
04/23/2026 11 PM PDT 4.98 657 - Not Applicable
04/24/2026 12 AM PDT 5.02 671 + Not Applicable
04/24/2026 01 AM PDT 4.94 643 - Not Applicable
04/24/2026 02 AM PDT 5.05 682 + Not Applicable
04/24/2026 03 AM PDT 5.01 668 - Not Applicable
04/24/2026 04 AM PDT 4.92 637 - Not Applicable
04/24/2026 05 AM PDT 5.00 664 + Not Applicable
04/24/2026 06 AM PDT 4.93 640 - Not Applicable
04/24/2026 07 AM PDT 4.99 661 + Not Applicable
04/24/2026 08 AM PDT 5.03 675 + Not Applicable
04/24/2026 09 AM PDT 5.02 671 - Not Applicable
04/24/2026 10 AM PDT 4.92 637 - Not Applicable
04/24/2026 11 AM PDT 5.00 664 + Not Applicable
04/24/2026 12 PM PDT 5.04 678 + Not Applicable
04/24/2026 01 PM PDT 5.01 668 - Not Applicable
04/24/2026 02 PM PDT 4.96 650 - Not Applicable
04/24/2026 03 PM PDT 4.97 654 + Not Applicable
04/24/2026 04 PM PDT 4.97 654 0 Not Applicable
04/24/2026 05 PM PDT 4.92 637 - Not Applicable
04/24/2026 06 PM PDT 4.91 633 - Not Applicable
04/24/2026 07 PM PDT 4.94 643 + Not Applicable
04/24/2026 08 PM PDT 4.97 654 + Not Applicable
04/24/2026 09 PM PDT 4.97 654 0 Not Applicable
04/24/2026 10 PM PDT 4.91 633 - Not Applicable
04/24/2026 11 PM PDT 4.93 640 + Not Applicable
04/25/2026 12 AM PDT 4.97 654 + Not Applicable
04/25/2026 01 AM PDT 4.98 657 + Not Applicable
04/25/2026 02 AM PDT 4.98 657 0 Not Applicable
04/25/2026 03 AM PDT 4.97 654 - Not Applicable
04/25/2026 04 AM PDT 4.91 633 - Not Applicable
04/25/2026 05 AM PDT 5.05 682 + Not Applicable
04/25/2026 06 AM PDT 4.97 654 - Not Applicable
04/25/2026 07 AM PDT 5.00 664 + Not Applicable
04/25/2026 08 AM PDT 4.97 654 - Not Applicable
04/25/2026 09 AM PDT 4.93 640 - Not Applicable
04/25/2026 10 AM PDT 4.98 657 + Not Applicable
04/25/2026 11 AM PDT 4.98 657 0 Not Applicable
04/25/2026 12 PM PDT 4.99 661 + Not Applicable
04/25/2026 01 PM PDT 4.98 657 - Not Applicable
04/25/2026 02 PM PDT 4.95 647 - Not Applicable
04/25/2026 03 PM PDT 4.94 643 - Not Applicable
04/25/2026 04 PM PDT 4.97 654 + Not Applicable
04/25/2026 05 PM PDT 4.96 650 - Not Applicable
04/25/2026 06 PM PDT 4.96 650 0 Not Applicable
04/25/2026 07 PM PDT 4.94 643 - Not Applicable
04/25/2026 08 PM PDT 4.92 637 - Not Applicable
04/25/2026 09 PM PDT 4.98 657 + Not Applicable
04/25/2026 10 PM PDT 4.99 661 + Not Applicable
04/25/2026 11 PM PDT 4.97 654 - Not Applicable
04/26/2026 12 AM PDT 4.96 650 - Not Applicable
04/26/2026 01 AM PDT 5.01 668 + Not Applicable
04/26/2026 02 AM PDT 4.99 661 - Not Applicable
04/26/2026 03 AM PDT 4.96 650 - Not Applicable
04/26/2026 04 AM PDT 4.98 657 + Not Applicable
04/26/2026 05 AM PDT 4.98 657 0 Not Applicable
04/26/2026 06 AM PDT 4.98 657 0 Not Applicable
04/26/2026 07 AM PDT 4.97 654 - Not Applicable
04/26/2026 08 AM PDT 4.98 657 + Not Applicable
04/26/2026 09 AM PDT 4.98 657 0 Not Applicable
04/26/2026 10 AM PDT 4.98 657 0 Not Applicable
04/26/2026 11 AM PDT 4.99 661 + Not Applicable
04/26/2026 12 PM PDT 4.97 654 - Not Applicable
04/26/2026 01 PM PDT 4.98 657 + Not Applicable
04/26/2026 02 PM PDT 4.99 661 + Not Applicable
04/26/2026 03 PM PDT 5.02 671 + Not Applicable
04/26/2026 04 PM PDT 4.96 650 - Not Applicable
04/26/2026 05 PM PDT 4.97 654 + Not Applicable
04/26/2026 06 PM PDT 5.00 664 + Not Applicable
04/26/2026 07 PM PDT 4.98 657 - Not Applicable
04/26/2026 08 PM PDT 5.01 668 + Not Applicable
04/26/2026 09 PM PDT 5.00 664 - Not Applicable
04/26/2026 10 PM PDT 5.00 664 0 Not Applicable
04/26/2026 11 PM PDT 4.99 661 - Not Applicable
04/27/2026 12 AM PDT 4.97 654 - Not Applicable
04/27/2026 01 AM PDT 4.97 654 0 Not Applicable
04/27/2026 02 AM PDT 5.01 668 + Not Applicable
04/27/2026 03 AM PDT 5.02 671 + Not Applicable
04/27/2026 04 AM PDT 4.97 654 - Not Applicable
04/27/2026 05 AM PDT 4.98 657 + Not Applicable
04/27/2026 06 AM PDT 5.02 671 + Not Applicable
04/27/2026 07 AM PDT 5.00 664 - Not Applicable
04/27/2026 08 AM PDT 4.99 661 - Not Applicable
04/27/2026 09 AM PDT 5.00 664 + Not Applicable
04/27/2026 10 AM PDT 5.00 664 0 Not Applicable
04/27/2026 11 AM PDT 4.99 661 - Not Applicable
04/27/2026 12 PM PDT 5.00 664 + Not Applicable
04/27/2026 01 PM PDT 5.00 664 0 Not Applicable
04/27/2026 02 PM PDT 5.03 675 + Not Applicable
04/27/2026 03 PM PDT 5.00 664 - Not Applicable
04/27/2026 04 PM PDT 4.98 657 - Not Applicable
04/27/2026 05 PM PDT 4.99 661 + Not Applicable
04/27/2026 06 PM PDT 4.99 661 0 Not Applicable
04/27/2026 07 PM PDT 4.97 654 - Not Applicable
04/27/2026 08 PM PDT 4.98 657 + Not Applicable
04/27/2026 09 PM PDT 4.97 654 - Not Applicable
04/27/2026 10 PM PDT 4.97 654 0 Not Applicable
04/27/2026 11 PM PDT 4.97 654 0 Not Applicable
04/28/2026 12 AM PDT 4.98 657 + Not Applicable
04/28/2026 01 AM PDT 5.02 671 + Not Applicable
04/28/2026 02 AM PDT 4.95 647 - Not Applicable
04/28/2026 03 AM PDT 4.98 657 + Not Applicable
04/28/2026 04 AM PDT 4.97 654 - Not Applicable
04/28/2026 05 AM PDT 4.97 654 0 Not Applicable
04/28/2026 06 AM PDT 4.98 657 + Not Applicable
04/28/2026 07 AM PDT 4.98 657 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/28/2026 08 AM PDT 4.98 657 Not Applicable
04/28/2026 09 AM PDT 4.98 657 0 Not Applicable
04/28/2026 10 AM PDT 4.98 657 0 Not Applicable
04/28/2026 11 AM PDT 4.98 657 0 Not Applicable
04/28/2026 12 PM PDT 4.98 657 0 Not Applicable
04/28/2026 01 PM PDT 4.98 657 0 Not Applicable
04/28/2026 02 PM PDT 4.98 657 0 Not Applicable
04/28/2026 03 PM PDT 4.98 657 0 Not Applicable
04/28/2026 04 PM PDT 4.98 657 0 Not Applicable
04/28/2026 05 PM PDT 4.98 657 0 Not Applicable
04/28/2026 06 PM PDT 4.98 657 0 Not Applicable
04/28/2026 07 PM PDT 4.98 657 0 Not Applicable
04/28/2026 08 PM PDT 4.97 654 - Not Applicable
04/28/2026 09 PM PDT 4.97 654 0 Not Applicable
04/28/2026 10 PM PDT 4.97 654 0 Not Applicable
04/28/2026 11 PM PDT 4.97 654 0 Not Applicable
04/29/2026 12 AM PDT 4.97 654 0 Not Applicable
04/29/2026 01 AM PDT 4.97 654 0 Not Applicable
04/29/2026 02 AM PDT 4.97 654 0 Not Applicable
04/29/2026 03 AM PDT 4.97 654 0 Not Applicable
04/29/2026 04 AM PDT 4.97 654 0 Not Applicable
04/29/2026 05 AM PDT 4.97 654 0 Not Applicable
04/29/2026 06 AM PDT 4.96 650 - Not Applicable
04/29/2026 07 AM PDT 4.96 650 0 Not Applicable
04/29/2026 08 AM PDT 4.96 650 0 Not Applicable
04/29/2026 09 AM PDT 4.96 650 0 Not Applicable
04/29/2026 10 AM PDT 4.96 650 0 Not Applicable
04/29/2026 11 AM PDT 4.96 650 0 Not Applicable
04/29/2026 12 PM PDT 4.96 650 0 Not Applicable
04/29/2026 01 PM PDT 4.96 650 0 Not Applicable
04/29/2026 02 PM PDT 4.96 650 0 Not Applicable
04/29/2026 03 PM PDT 4.96 650 0 Not Applicable
04/29/2026 04 PM PDT 4.96 650 0 Not Applicable
04/29/2026 05 PM PDT 4.96 650 0 Not Applicable
04/29/2026 06 PM PDT 4.96 650 0 Not Applicable
04/29/2026 07 PM PDT 4.95 647 - Not Applicable
04/29/2026 08 PM PDT 4.95 647 0 Not Applicable
04/29/2026 09 PM PDT 4.95 647 0 Not Applicable
04/29/2026 10 PM PDT 4.95 647 0 Not Applicable
04/29/2026 11 PM PDT 4.95 647 0 Not Applicable
04/30/2026 12 AM PDT 4.95 647 0 Not Applicable
04/30/2026 01 AM PDT 4.95 647 0 Not Applicable
04/30/2026 02 AM PDT 4.95 647 0 Not Applicable
04/30/2026 03 AM PDT 4.95 647 0 Not Applicable
04/30/2026 04 AM PDT 4.95 647 0 Not Applicable
04/30/2026 05 AM PDT 4.95 647 0 Not Applicable
04/30/2026 06 AM PDT 4.95 647 0 Not Applicable
04/30/2026 07 AM PDT 4.95 647 0 Not Applicable
04/30/2026 08 AM PDT 4.95 647 0 Not Applicable
04/30/2026 09 AM PDT 4.95 647 0 Not Applicable
04/30/2026 10 AM PDT 4.95 647 0 Not Applicable
04/30/2026 11 AM PDT 4.95 647 0 Not Applicable
04/30/2026 12 PM PDT 4.95 647 0 Not Applicable
04/30/2026 01 PM PDT 4.95 647 0 Not Applicable
04/30/2026 02 PM PDT 4.94 643 - Not Applicable
04/30/2026 03 PM PDT 4.94 643 0 Not Applicable
04/30/2026 04 PM PDT 4.94 643 0 Not Applicable
04/30/2026 05 PM PDT 4.94 643 0 Not Applicable
04/30/2026 06 PM PDT 4.94 643 0 Not Applicable
04/30/2026 07 PM PDT 4.94 643 0 Not Applicable
04/30/2026 08 PM PDT 4.94 643 0 Not Applicable
04/30/2026 09 PM PDT 4.94 643 0 Not Applicable
04/30/2026 10 PM PDT 4.94 643 0 Not Applicable
04/30/2026 11 PM PDT 4.94 643 0 Not Applicable
05/01/2026 12 AM PDT 4.94 643 0 Not Applicable
05/01/2026 01 AM PDT 4.94 643 0 Not Applicable
05/01/2026 02 AM PDT 4.94 643 0 Not Applicable
05/01/2026 03 AM PDT 4.94 643 0 Not Applicable
05/01/2026 04 AM PDT 4.94 643 0 Not Applicable
05/01/2026 05 AM PDT 4.94 643 0 Not Applicable
05/01/2026 06 AM PDT 4.94 643 0 Not Applicable
05/01/2026 07 AM PDT 4.94 643 0 Not Applicable
05/01/2026 08 AM PDT 4.94 643 0 Not Applicable
05/01/2026 09 AM PDT 4.94 643 0 Not Applicable
05/01/2026 10 AM PDT 4.94 643 0 Not Applicable
05/01/2026 11 AM PDT 4.94 643 0 Not Applicable
05/01/2026 12 PM PDT 4.94 643 0 Not Applicable
05/01/2026 01 PM PDT 4.94 643 0 Not Applicable
05/01/2026 02 PM PDT 4.94 643 0 Not Applicable
05/01/2026 03 PM PDT 4.94 643 0 Not Applicable
05/01/2026 04 PM PDT 4.94 643 0 Not Applicable
05/01/2026 05 PM PDT 4.94 643 0 Not Applicable
05/01/2026 06 PM PDT 4.94 643 0 Not Applicable
05/01/2026 07 PM PDT 4.94 643 0 Not Applicable
05/01/2026 08 PM PDT 4.94 643 0 Not Applicable
05/01/2026 09 PM PDT 4.94 643 0 Not Applicable
05/01/2026 10 PM PDT 4.94 643 0 Not Applicable
05/01/2026 11 PM PDT 4.94 643 0 Not Applicable
05/02/2026 12 AM PDT 4.94 643 0 Not Applicable
05/02/2026 01 AM PDT 4.94 643 0 Not Applicable
05/02/2026 02 AM PDT 4.94 643 0 Not Applicable
05/02/2026 03 AM PDT 4.94 643 0 Not Applicable
05/02/2026 04 AM PDT 4.94 643 0 Not Applicable
05/02/2026 05 AM PDT 4.94 643 0 Not Applicable
05/02/2026 06 AM PDT 4.94 643 0 Not Applicable
05/02/2026 07 AM PDT 4.94 643 0 Not Applicable
05/02/2026 08 AM PDT 4.94 643 0 Not Applicable
05/02/2026 09 AM PDT 4.94 643 0 Not Applicable
05/02/2026 10 AM PDT 4.94 643 0 Not Applicable
05/02/2026 11 AM PDT 4.94 643 0 Not Applicable
05/02/2026 12 PM PDT 4.94 643 0 Not Applicable
05/02/2026 01 PM PDT 4.94 643 0 Not Applicable
05/02/2026 02 PM PDT 4.94 643 0 Not Applicable
05/02/2026 03 PM PDT 4.94 643 0 Not Applicable
05/02/2026 04 PM PDT 4.94 643 0 Not Applicable
05/02/2026 05 PM PDT 4.94 643 0 Not Applicable
05/02/2026 06 PM PDT 4.94 643 0 Not Applicable
05/02/2026 07 PM PDT 4.94 643 0 Not Applicable
05/02/2026 08 PM PDT 4.94 643 0 Not Applicable
05/02/2026 09 PM PDT 4.94 643 0 Not Applicable
05/02/2026 10 PM PDT 4.94 643 0 Not Applicable
05/02/2026 11 PM PDT 4.94 643 0 Not Applicable
05/03/2026 12 AM PDT 4.94 643 0 Not Applicable
05/03/2026 01 AM PDT 4.94 643 0 Not Applicable
05/03/2026 02 AM PDT 4.94 643 0 Not Applicable
05/03/2026 03 AM PDT 4.94 643 0 Not Applicable
05/03/2026 04 AM PDT 4.94 643 0 Not Applicable
05/03/2026 05 AM PDT 4.94 643 0 Not Applicable
#
# 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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