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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: | May 27 2026 at 7:33 AM PDT | Next Issuance: | May 28 2026 at 9:00 AM PDT
| |
| 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: 05/27/2026 at 07:35 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/25/2026 at 09:00 AM PDT
# Maximum Observed Stage: 3.76 Feet
# Maximum Observed Flow: 343 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/27/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 3.67 Feet
# Maximum Forecast Flow: 321 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/22/2026 07 AM PDT 3.73 336 Not Applicable
05/22/2026 08 AM PDT 3.70 328 - Not Applicable
05/22/2026 09 AM PDT 3.72 333 + Not Applicable
05/22/2026 10 AM PDT 3.72 333 0 Not Applicable
05/22/2026 11 AM PDT 3.73 336 + Not Applicable
05/22/2026 12 PM PDT 3.72 333 - Not Applicable
05/22/2026 01 PM PDT 3.70 328 - Not Applicable
05/22/2026 02 PM PDT 3.72 333 + Not Applicable
05/22/2026 03 PM PDT 3.68 324 - Not Applicable
05/22/2026 04 PM PDT 3.70 328 + Not Applicable
05/22/2026 05 PM PDT 3.71 331 + Not Applicable
05/22/2026 06 PM PDT 3.72 333 + Not Applicable
05/22/2026 07 PM PDT 3.70 328 - Not Applicable
05/22/2026 08 PM PDT 3.71 331 + Not Applicable
05/22/2026 09 PM PDT 3.71 331 0 Not Applicable
05/22/2026 10 PM PDT 3.72 333 + Not Applicable
05/22/2026 11 PM PDT 3.74 338 + Not Applicable
05/23/2026 12 AM PDT 3.74 338 0 Not Applicable
05/23/2026 01 AM PDT 3.74 338 0 Not Applicable
05/23/2026 02 AM PDT 3.73 336 - Not Applicable
05/23/2026 03 AM PDT 3.72 333 - Not Applicable
05/23/2026 04 AM PDT 3.72 333 0 Not Applicable
05/23/2026 05 AM PDT 3.72 333 0 Not Applicable
05/23/2026 06 AM PDT 3.72 333 0 Not Applicable
05/23/2026 07 AM PDT 3.72 333 0 Not Applicable
05/23/2026 08 AM PDT 3.70 328 - Not Applicable
05/23/2026 09 AM PDT 3.70 328 0 Not Applicable
05/23/2026 10 AM PDT 3.69 326 - Not Applicable
05/23/2026 11 AM PDT 3.73 336 + Not Applicable
05/23/2026 12 PM PDT 3.72 333 - Not Applicable
05/23/2026 01 PM PDT 3.70 328 - Not Applicable
05/23/2026 02 PM PDT 3.71 331 + Not Applicable
05/23/2026 03 PM PDT 3.70 328 - Not Applicable
05/23/2026 04 PM PDT 3.72 333 + Not Applicable
05/23/2026 05 PM PDT 3.69 326 - Not Applicable
05/23/2026 06 PM PDT 3.69 326 0 Not Applicable
05/23/2026 07 PM PDT 3.69 326 0 Not Applicable
05/23/2026 08 PM PDT 3.67 321 - Not Applicable
05/23/2026 09 PM PDT 3.69 326 + Not Applicable
05/23/2026 10 PM PDT 3.67 321 - Not Applicable
05/23/2026 11 PM PDT 3.69 326 + Not Applicable
05/24/2026 12 AM PDT 3.68 324 - Not Applicable
05/24/2026 01 AM PDT 3.69 326 + Not Applicable
05/24/2026 02 AM PDT 3.68 324 - Not Applicable
05/24/2026 03 AM PDT 3.69 326 + Not Applicable
05/24/2026 04 AM PDT 3.68 324 - Not Applicable
05/24/2026 05 AM PDT 3.69 326 + Not Applicable
05/24/2026 06 AM PDT 3.66 319 - Not Applicable
05/24/2026 07 AM PDT 3.67 321 + Not Applicable
05/24/2026 08 AM PDT 3.70 328 + Not Applicable
05/24/2026 09 AM PDT 3.69 326 - Not Applicable
05/24/2026 10 AM PDT 3.69 326 0 Not Applicable
05/24/2026 11 AM PDT 3.67 321 - Not Applicable
05/24/2026 12 PM PDT 3.68 324 + Not Applicable
05/24/2026 01 PM PDT 3.70 328 + Not Applicable
05/24/2026 02 PM PDT 3.67 321 - Not Applicable
05/24/2026 03 PM PDT 3.68 324 + Not Applicable
05/24/2026 04 PM PDT 3.67 321 - Not Applicable
05/24/2026 05 PM PDT 3.68 324 + Not Applicable
05/24/2026 06 PM PDT 3.72 333 + Not Applicable
05/24/2026 07 PM PDT 3.67 321 - Not Applicable
05/24/2026 08 PM PDT 3.68 324 + Not Applicable
05/24/2026 09 PM PDT 3.67 321 - Not Applicable
05/24/2026 10 PM PDT 3.72 333 + Not Applicable
05/24/2026 11 PM PDT 3.66 319 - Not Applicable
05/25/2026 12 AM PDT 3.68 324 + Not Applicable
05/25/2026 01 AM PDT 3.69 326 + Not Applicable
05/25/2026 02 AM PDT 3.70 328 + Not Applicable
05/25/2026 03 AM PDT 3.68 324 - Not Applicable
05/25/2026 04 AM PDT 3.69 326 + Not Applicable
05/25/2026 05 AM PDT 3.67 321 - Not Applicable
05/25/2026 06 AM PDT 3.69 326 + Not Applicable
05/25/2026 07 AM PDT 3.70 328 + Not Applicable
05/25/2026 08 AM PDT 3.68 324 - Not Applicable
05/25/2026 09 AM PDT 3.76 343 + Not Applicable
05/25/2026 10 AM PDT 3.73 336 - Not Applicable
05/25/2026 11 AM PDT 3.69 326 - Not Applicable
05/25/2026 12 PM PDT 3.69 326 0 Not Applicable
05/25/2026 01 PM PDT 3.69 326 0 Not Applicable
05/25/2026 02 PM PDT 3.69 326 0 Not Applicable
05/25/2026 03 PM PDT 3.70 328 + Not Applicable
05/25/2026 04 PM PDT 3.66 319 - Not Applicable
05/25/2026 05 PM PDT 3.68 324 + Not Applicable
05/25/2026 06 PM PDT 3.70 328 + Not Applicable
05/25/2026 07 PM PDT 3.70 328 0 Not Applicable
05/25/2026 08 PM PDT 3.67 321 - Not Applicable
05/25/2026 09 PM PDT 3.68 324 + Not Applicable
05/25/2026 10 PM PDT 3.67 321 - Not Applicable
05/25/2026 11 PM PDT 3.69 326 + Not Applicable
05/26/2026 12 AM PDT 3.66 319 - Not Applicable
05/26/2026 01 AM PDT 3.68 324 + Not Applicable
05/26/2026 02 AM PDT 3.67 321 - Not Applicable
05/26/2026 03 AM PDT 3.69 326 + Not Applicable
05/26/2026 04 AM PDT 3.69 326 0 Not Applicable
05/26/2026 05 AM PDT 3.67 321 - Not Applicable
05/26/2026 06 AM PDT 3.67 321 0 Not Applicable
05/26/2026 07 AM PDT 3.64 314 - Not Applicable
05/26/2026 08 AM PDT 3.66 319 + Not Applicable
05/26/2026 09 AM PDT 3.67 321 + Not Applicable
05/26/2026 10 AM PDT 3.71 331 + Not Applicable
05/26/2026 11 AM PDT 3.66 319 - Not Applicable
05/26/2026 12 PM PDT 3.69 326 + Not Applicable
05/26/2026 01 PM PDT 3.67 321 - Not Applicable
05/26/2026 02 PM PDT 3.67 321 0 Not Applicable
05/26/2026 03 PM PDT 3.65 316 - Not Applicable
05/26/2026 04 PM PDT 3.69 326 + Not Applicable
05/26/2026 05 PM PDT 3.64 314 - Not Applicable
05/26/2026 06 PM PDT 3.68 324 + Not Applicable
05/26/2026 07 PM PDT 3.71 331 + Not Applicable
05/26/2026 08 PM PDT 3.67 321 - Not Applicable
05/26/2026 09 PM PDT 3.64 314 - Not Applicable
05/26/2026 10 PM PDT 3.67 321 + Not Applicable
05/26/2026 11 PM PDT 3.75 341 + Not Applicable
05/27/2026 12 AM PDT 3.65 316 - Not Applicable
05/27/2026 01 AM PDT 3.64 314 - Not Applicable
05/27/2026 02 AM PDT 3.68 324 + Not Applicable
05/27/2026 03 AM PDT 3.66 319 - Not Applicable
05/27/2026 04 AM PDT 3.64 314 - Not Applicable
05/27/2026 05 AM PDT 3.64 314 0 Not Applicable
05/27/2026 06 AM PDT 3.67 321 + Not Applicable
05/27/2026 07 AM PDT 3.67 321 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/27/2026 08 AM PDT 3.67 321 Not Applicable
05/27/2026 09 AM PDT 3.67 321 0 Not Applicable
05/27/2026 10 AM PDT 3.67 321 0 Not Applicable
05/27/2026 11 AM PDT 3.67 321 0 Not Applicable
05/27/2026 12 PM PDT 3.67 321 0 Not Applicable
05/27/2026 01 PM PDT 3.67 321 0 Not Applicable
05/27/2026 02 PM PDT 3.67 321 0 Not Applicable
05/27/2026 03 PM PDT 3.67 321 0 Not Applicable
05/27/2026 04 PM PDT 3.67 321 0 Not Applicable
05/27/2026 05 PM PDT 3.67 321 0 Not Applicable
05/27/2026 06 PM PDT 3.67 321 0 Not Applicable
05/27/2026 07 PM PDT 3.67 321 0 Not Applicable
05/27/2026 08 PM PDT 3.67 321 0 Not Applicable
05/27/2026 09 PM PDT 3.67 321 0 Not Applicable
05/27/2026 10 PM PDT 3.67 321 0 Not Applicable
05/27/2026 11 PM PDT 3.67 321 0 Not Applicable
05/28/2026 12 AM PDT 3.67 321 0 Not Applicable
05/28/2026 01 AM PDT 3.67 321 0 Not Applicable
05/28/2026 02 AM PDT 3.66 319 - Not Applicable
05/28/2026 03 AM PDT 3.66 319 0 Not Applicable
05/28/2026 04 AM PDT 3.65 316 - Not Applicable
05/28/2026 05 AM PDT 3.65 316 0 Not Applicable
05/28/2026 06 AM PDT 3.64 314 - Not Applicable
05/28/2026 07 AM PDT 3.63 312 - Not Applicable
05/28/2026 08 AM PDT 3.62 309 - Not Applicable
05/28/2026 09 AM PDT 3.62 309 0 Not Applicable
05/28/2026 10 AM PDT 3.61 307 - Not Applicable
05/28/2026 11 AM PDT 3.60 305 - Not Applicable
05/28/2026 12 PM PDT 3.60 305 0 Not Applicable
05/28/2026 01 PM PDT 3.59 302 - Not Applicable
05/28/2026 02 PM PDT 3.59 302 0 Not Applicable
05/28/2026 03 PM PDT 3.58 300 - Not Applicable
05/28/2026 04 PM PDT 3.58 300 0 Not Applicable
05/28/2026 05 PM PDT 3.57 298 - Not Applicable
05/28/2026 06 PM PDT 3.57 298 0 Not Applicable
05/28/2026 07 PM PDT 3.56 295 - Not Applicable
05/28/2026 08 PM PDT 3.56 295 0 Not Applicable
05/28/2026 09 PM PDT 3.55 293 - Not Applicable
05/28/2026 10 PM PDT 3.55 293 0 Not Applicable
05/28/2026 11 PM PDT 3.54 291 - Not Applicable
05/29/2026 12 AM PDT 3.54 291 0 Not Applicable
05/29/2026 01 AM PDT 3.54 291 0 Not Applicable
05/29/2026 02 AM PDT 3.53 288 - Not Applicable
05/29/2026 03 AM PDT 3.53 288 0 Not Applicable
05/29/2026 04 AM PDT 3.52 286 - Not Applicable
05/29/2026 05 AM PDT 3.52 286 0 Not Applicable
05/29/2026 06 AM PDT 3.52 286 0 Not Applicable
05/29/2026 07 AM PDT 3.51 284 - Not Applicable
05/29/2026 08 AM PDT 3.51 284 0 Not Applicable
05/29/2026 09 AM PDT 3.51 284 0 Not Applicable
05/29/2026 10 AM PDT 3.50 281 - Not Applicable
05/29/2026 11 AM PDT 3.50 281 0 Not Applicable
05/29/2026 12 PM PDT 3.50 281 0 Not Applicable
05/29/2026 01 PM PDT 3.50 281 0 Not Applicable
05/29/2026 02 PM PDT 3.50 281 0 Not Applicable
05/29/2026 03 PM PDT 3.49 278 - Not Applicable
05/29/2026 04 PM PDT 3.49 278 0 Not Applicable
05/29/2026 05 PM PDT 3.49 278 0 Not Applicable
05/29/2026 06 PM PDT 3.48 276 - Not Applicable
05/29/2026 07 PM PDT 3.48 276 0 Not Applicable
05/29/2026 08 PM PDT 3.48 276 0 Not Applicable
05/29/2026 09 PM PDT 3.48 276 0 Not Applicable
05/29/2026 10 PM PDT 3.48 276 0 Not Applicable
05/29/2026 11 PM PDT 3.47 273 - Not Applicable
05/30/2026 12 AM PDT 3.47 273 0 Not Applicable
05/30/2026 01 AM PDT 3.47 273 0 Not Applicable
05/30/2026 02 AM PDT 3.47 273 0 Not Applicable
05/30/2026 03 AM PDT 3.47 273 0 Not Applicable
05/30/2026 04 AM PDT 3.46 271 - Not Applicable
05/30/2026 05 AM PDT 3.46 271 0 Not Applicable
05/30/2026 06 AM PDT 3.46 271 0 Not Applicable
05/30/2026 07 AM PDT 3.46 271 0 Not Applicable
05/30/2026 08 AM PDT 3.46 271 0 Not Applicable
05/30/2026 09 AM PDT 3.46 271 0 Not Applicable
05/30/2026 10 AM PDT 3.46 271 0 Not Applicable
05/30/2026 11 AM PDT 3.45 268 - Not Applicable
05/30/2026 12 PM PDT 3.45 268 0 Not Applicable
05/30/2026 01 PM PDT 3.45 268 0 Not Applicable
05/30/2026 02 PM PDT 3.45 268 0 Not Applicable
05/30/2026 03 PM PDT 3.45 268 0 Not Applicable
05/30/2026 04 PM PDT 3.45 268 0 Not Applicable
05/30/2026 05 PM PDT 3.45 268 0 Not Applicable
05/30/2026 06 PM PDT 3.44 266 - Not Applicable
05/30/2026 07 PM PDT 3.44 266 0 Not Applicable
05/30/2026 08 PM PDT 3.44 266 0 Not Applicable
05/30/2026 09 PM PDT 3.44 266 0 Not Applicable
05/30/2026 10 PM PDT 3.44 266 0 Not Applicable
05/30/2026 11 PM PDT 3.44 266 0 Not Applicable
05/31/2026 12 AM PDT 3.44 266 0 Not Applicable
05/31/2026 01 AM PDT 3.44 266 0 Not Applicable
05/31/2026 02 AM PDT 3.44 266 0 Not Applicable
05/31/2026 03 AM PDT 3.44 266 0 Not Applicable
05/31/2026 04 AM PDT 3.44 266 0 Not Applicable
05/31/2026 05 AM PDT 3.43 263 - Not Applicable
05/31/2026 06 AM PDT 3.43 263 0 Not Applicable
05/31/2026 07 AM PDT 3.43 263 0 Not Applicable
05/31/2026 08 AM PDT 3.43 263 0 Not Applicable
05/31/2026 09 AM PDT 3.43 263 0 Not Applicable
05/31/2026 10 AM PDT 3.43 263 0 Not Applicable
05/31/2026 11 AM PDT 3.43 263 0 Not Applicable
05/31/2026 12 PM PDT 3.43 263 0 Not Applicable
05/31/2026 01 PM PDT 3.43 263 0 Not Applicable
05/31/2026 02 PM PDT 3.43 263 0 Not Applicable
05/31/2026 03 PM PDT 3.43 263 0 Not Applicable
05/31/2026 04 PM PDT 3.43 263 0 Not Applicable
05/31/2026 05 PM PDT 3.42 261 - Not Applicable
05/31/2026 06 PM PDT 3.42 261 0 Not Applicable
05/31/2026 07 PM PDT 3.42 261 0 Not Applicable
05/31/2026 08 PM PDT 3.42 261 0 Not Applicable
05/31/2026 09 PM PDT 3.42 261 0 Not Applicable
05/31/2026 10 PM PDT 3.42 261 0 Not Applicable
05/31/2026 11 PM PDT 3.42 261 0 Not Applicable
06/01/2026 12 AM PDT 3.42 261 0 Not Applicable
06/01/2026 01 AM PDT 3.42 261 0 Not Applicable
06/01/2026 02 AM PDT 3.42 261 0 Not Applicable
06/01/2026 03 AM PDT 3.42 261 0 Not Applicable
06/01/2026 04 AM PDT 3.42 261 0 Not Applicable
06/01/2026 05 AM PDT 3.42 261 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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