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SAN JOAQUIN RIVER - PATTERSON (PATC1)
| Latitude: 37.49º N | Longitude: 121.08º W | Elevation: 97 Feet | | | |
| Location: Stanislaus County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Jul 13 2025 at 8:31 AM PDT | Next Issuance: | Jul 14 2025 at 9:00 AM PDT
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| Action/Monitor: 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: 07/13/2025 at 08:31 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/09/2025 at 11:00 AM PDT
# Maximum Observed Stage: 30.86 Feet
# Maximum Observed Flow: 511 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/15/2025 at 04:00 PM PDT
# Maximum Forecast Stage: 30.61 Feet
# Maximum Forecast Flow: 451 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/08/2025 08 AM PDT 30.62 453 Normal
07/08/2025 09 AM PDT 30.60 448 - Normal
07/08/2025 10 AM PDT 30.63 455 + Normal
07/08/2025 11 AM PDT 30.63 455 0 Normal
07/08/2025 12 PM PDT 30.65 460 + Normal
07/08/2025 01 PM PDT 30.67 465 + Normal
07/08/2025 02 PM PDT 30.67 465 0 Normal
07/08/2025 03 PM PDT 30.69 470 + Normal
07/08/2025 04 PM PDT 30.68 467 - Normal
07/08/2025 05 PM PDT 30.68 467 0 Normal
07/08/2025 06 PM PDT 30.66 462 - Normal
07/08/2025 07 PM PDT 30.64 458 - Normal
07/08/2025 08 PM PDT 30.62 453 - Normal
07/08/2025 09 PM PDT 30.60 448 - Normal
07/08/2025 10 PM PDT 30.60 448 0 Normal
07/08/2025 11 PM PDT 30.58 444 - Normal
07/09/2025 12 AM PDT 30.56 439 - Normal
07/09/2025 01 AM PDT 30.54 435 - Normal
07/09/2025 02 AM PDT 30.53 432 - Normal
07/09/2025 03 AM PDT 30.50 425 - Normal
07/09/2025 04 AM PDT 30.48 421 - Normal
07/09/2025 05 AM PDT 30.46 416 - Normal
07/09/2025 06 AM PDT 30.45 414 - Normal
07/09/2025 07 AM PDT 30.46 416 + Normal
07/09/2025 08 AM PDT 30.47 419 + Normal
07/09/2025 09 AM PDT 30.70 472 + Normal
07/09/2025 10 AM PDT 30.81 498 + Normal
07/09/2025 11 AM PDT 30.86 511 + Normal
07/09/2025 12 PM PDT 30.70 472 - Normal
07/09/2025 01 PM PDT 30.59 446 - Normal
07/09/2025 02 PM PDT 30.57 441 - Normal
07/09/2025 03 PM PDT 30.48 421 - Normal
07/09/2025 04 PM PDT 30.42 408 - Normal
07/09/2025 05 PM PDT 30.48 421 + Normal
07/09/2025 06 PM PDT 30.42 408 - Normal
07/09/2025 07 PM PDT 30.38 399 - Normal
07/09/2025 08 PM PDT 30.36 394 - Normal
07/09/2025 09 PM PDT 30.33 388 - Normal
07/09/2025 10 PM PDT 30.31 383 - Normal
07/09/2025 11 PM PDT 30.30 381 - Normal
07/10/2025 12 AM PDT 30.28 377 - Normal
07/10/2025 01 AM PDT 30.26 373 - Normal
07/10/2025 02 AM PDT 30.25 370 - Normal
07/10/2025 03 AM PDT 30.23 366 - Normal
07/10/2025 04 AM PDT 30.22 364 - Normal
07/10/2025 05 AM PDT 30.22 364 0 Normal
07/10/2025 06 AM PDT 30.20 360 - Normal
07/10/2025 07 AM PDT 30.21 362 + Normal
07/10/2025 08 AM PDT 30.21 362 0 Normal
07/10/2025 09 AM PDT 30.22 364 + Normal
07/10/2025 10 AM PDT 30.24 368 + Normal
07/10/2025 11 AM PDT 30.24 368 0 Normal
07/10/2025 12 PM PDT 30.29 379 + Normal
07/10/2025 01 PM PDT 30.31 383 + Normal
07/10/2025 02 PM PDT 30.27 375 - Normal
07/10/2025 03 PM PDT 30.22 364 - Normal
07/10/2025 04 PM PDT 30.27 375 + Normal
07/10/2025 05 PM PDT 30.25 370 - Normal
07/10/2025 06 PM PDT 30.21 362 - Normal
07/10/2025 07 PM PDT 30.23 366 + Normal
07/10/2025 08 PM PDT 30.23 366 0 Normal
07/10/2025 09 PM PDT 30.20 360 - Normal
07/10/2025 10 PM PDT 30.17 353 - Normal
07/10/2025 11 PM PDT 30.19 358 + Normal
07/11/2025 12 AM PDT 30.19 358 0 Normal
07/11/2025 01 AM PDT 30.17 353 - Normal
07/11/2025 02 AM PDT 30.16 351 - Normal
07/11/2025 03 AM PDT 30.18 356 + Normal
07/11/2025 04 AM PDT 30.18 356 0 Normal
07/11/2025 05 AM PDT 30.20 360 + Normal
07/11/2025 06 AM PDT 30.22 364 + Normal
07/11/2025 07 AM PDT 30.25 370 + Normal
07/11/2025 08 AM PDT 30.29 379 + Normal
07/11/2025 09 AM PDT 30.28 377 - Normal
07/11/2025 10 AM PDT 30.27 375 - Normal
07/11/2025 11 AM PDT 30.29 379 + Normal
07/11/2025 12 PM PDT 30.30 381 + Normal
07/11/2025 01 PM PDT 30.31 383 + Normal
07/11/2025 02 PM PDT 30.31 383 0 Normal
07/11/2025 03 PM PDT 30.31 383 0 Normal
07/11/2025 04 PM PDT 30.29 379 - Normal
07/11/2025 05 PM PDT 30.28 377 - Normal
07/11/2025 06 PM PDT 30.26 373 - Normal
07/11/2025 07 PM PDT 30.25 370 - Normal
07/11/2025 08 PM PDT 30.24 368 - Normal
07/11/2025 09 PM PDT 30.21 362 - Normal
07/11/2025 10 PM PDT 30.20 360 - Normal
07/11/2025 11 PM PDT 30.19 358 - Normal
07/12/2025 12 AM PDT 30.19 358 0 Normal
07/12/2025 01 AM PDT 30.19 358 0 Normal
07/12/2025 02 AM PDT 30.18 356 - Normal
07/12/2025 03 AM PDT 30.17 353 - Normal
07/12/2025 04 AM PDT 30.16 351 - Normal
07/12/2025 05 AM PDT 30.15 349 - Normal
07/12/2025 06 AM PDT 30.16 351 + Normal
07/12/2025 07 AM PDT 30.18 356 + Normal
07/12/2025 08 AM PDT 30.18 356 0 Normal
07/12/2025 09 AM PDT 30.24 368 + Normal
07/12/2025 10 AM PDT 30.27 375 + Normal
07/12/2025 11 AM PDT 30.27 375 0 Normal
07/12/2025 12 PM PDT 30.30 381 + Normal
07/12/2025 01 PM PDT 30.32 386 + Normal
07/12/2025 02 PM PDT 30.33 388 + Normal
07/12/2025 03 PM PDT 30.35 392 + Normal
07/12/2025 04 PM PDT 30.33 388 - Normal
07/12/2025 05 PM PDT 30.30 381 - Normal
07/12/2025 06 PM PDT 30.37 396 + Normal
07/12/2025 07 PM PDT 30.32 386 - Normal
07/12/2025 08 PM PDT 30.34 390 + Normal
07/12/2025 09 PM PDT 30.35 392 + Normal
07/12/2025 10 PM PDT 30.32 386 - Normal
07/12/2025 11 PM PDT 30.33 388 + Normal
07/13/2025 12 AM PDT 30.31 383 - Normal
07/13/2025 01 AM PDT 30.31 383 0 Normal
07/13/2025 02 AM PDT 30.30 381 - Normal
07/13/2025 03 AM PDT 30.31 383 + Normal
07/13/2025 04 AM PDT 30.32 386 + Normal
07/13/2025 05 AM PDT 30.33 388 + Normal
07/13/2025 06 AM PDT 30.37 396 + Normal
07/13/2025 07 AM PDT 30.38 399 + Normal
07/13/2025 08 AM PDT 30.38 399 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/13/2025 09 AM PDT 30.39 401 Normal
07/13/2025 10 AM PDT 30.39 401 0 Normal
07/13/2025 11 AM PDT 30.39 401 0 Normal
07/13/2025 12 PM PDT 30.39 401 0 Normal
07/13/2025 01 PM PDT 30.39 401 0 Normal
07/13/2025 02 PM PDT 30.39 401 0 Normal
07/13/2025 03 PM PDT 30.39 401 0 Normal
07/13/2025 04 PM PDT 30.40 403 + Normal
07/13/2025 05 PM PDT 30.40 403 0 Normal
07/13/2025 06 PM PDT 30.40 403 0 Normal
07/13/2025 07 PM PDT 30.40 403 0 Normal
07/13/2025 08 PM PDT 30.40 403 0 Normal
07/13/2025 09 PM PDT 30.40 403 0 Normal
07/13/2025 10 PM PDT 30.41 405 + Normal
07/13/2025 11 PM PDT 30.41 405 0 Normal
07/14/2025 12 AM PDT 30.41 405 0 Normal
07/14/2025 01 AM PDT 30.41 405 0 Normal
07/14/2025 02 AM PDT 30.42 408 + Normal
07/14/2025 03 AM PDT 30.42 408 0 Normal
07/14/2025 04 AM PDT 30.43 410 + Normal
07/14/2025 05 AM PDT 30.43 410 0 Normal
07/14/2025 06 AM PDT 30.44 412 + Normal
07/14/2025 07 AM PDT 30.44 412 0 Normal
07/14/2025 08 AM PDT 30.45 414 + Normal
07/14/2025 09 AM PDT 30.45 414 0 Normal
07/14/2025 10 AM PDT 30.46 416 + Normal
07/14/2025 11 AM PDT 30.46 416 0 Normal
07/14/2025 12 PM PDT 30.47 419 + Normal
07/14/2025 01 PM PDT 30.48 421 + Normal
07/14/2025 02 PM PDT 30.48 421 0 Normal
07/14/2025 03 PM PDT 30.49 423 + Normal
07/14/2025 04 PM PDT 30.50 425 + Normal
07/14/2025 05 PM PDT 30.50 425 0 Normal
07/14/2025 06 PM PDT 30.51 428 + Normal
07/14/2025 07 PM PDT 30.51 428 0 Normal
07/14/2025 08 PM PDT 30.52 430 + Normal
07/14/2025 09 PM PDT 30.53 432 + Normal
07/14/2025 10 PM PDT 30.53 432 0 Normal
07/14/2025 11 PM PDT 30.54 435 + Normal
07/15/2025 12 AM PDT 30.55 437 + Normal
07/15/2025 01 AM PDT 30.55 437 0 Normal
07/15/2025 02 AM PDT 30.55 437 0 Normal
07/15/2025 03 AM PDT 30.56 439 + Normal
07/15/2025 04 AM PDT 30.57 441 + Normal
07/15/2025 05 AM PDT 30.57 441 0 Normal
07/15/2025 06 AM PDT 30.58 444 + Normal
07/15/2025 07 AM PDT 30.58 444 0 Normal
07/15/2025 08 AM PDT 30.59 446 + Normal
07/15/2025 09 AM PDT 30.59 446 0 Normal
07/15/2025 10 AM PDT 30.59 446 0 Normal
07/15/2025 11 AM PDT 30.60 448 + Normal
07/15/2025 12 PM PDT 30.60 448 0 Normal
07/15/2025 01 PM PDT 30.60 448 0 Normal
07/15/2025 02 PM PDT 30.60 448 0 Normal
07/15/2025 03 PM PDT 30.60 448 0 Normal
07/15/2025 04 PM PDT 30.61 451 + Normal
07/15/2025 05 PM PDT 30.61 451 0 Normal
07/15/2025 06 PM PDT 30.61 451 0 Normal
07/15/2025 07 PM PDT 30.61 451 0 Normal
07/15/2025 08 PM PDT 30.61 451 0 Normal
07/15/2025 09 PM PDT 30.61 451 0 Normal
07/15/2025 10 PM PDT 30.61 451 0 Normal
07/15/2025 11 PM PDT 30.61 451 0 Normal
07/16/2025 12 AM PDT 30.61 451 0 Normal
07/16/2025 01 AM PDT 30.61 451 0 Normal
07/16/2025 02 AM PDT 30.61 451 0 Normal
07/16/2025 03 AM PDT 30.61 451 0 Normal
07/16/2025 04 AM PDT 30.61 451 0 Normal
07/16/2025 05 AM PDT 30.61 451 0 Normal
07/16/2025 06 AM PDT 30.61 451 0 Normal
07/16/2025 07 AM PDT 30.61 451 0 Normal
07/16/2025 08 AM PDT 30.60 448 - Normal
07/16/2025 09 AM PDT 30.60 448 0 Normal
07/16/2025 10 AM PDT 30.60 448 0 Normal
07/16/2025 11 AM PDT 30.60 448 0 Normal
07/16/2025 12 PM PDT 30.60 448 0 Normal
07/16/2025 01 PM PDT 30.59 446 - Normal
07/16/2025 02 PM PDT 30.59 446 0 Normal
07/16/2025 03 PM PDT 30.59 446 0 Normal
07/16/2025 04 PM PDT 30.59 446 0 Normal
07/16/2025 05 PM PDT 30.58 444 - Normal
07/16/2025 06 PM PDT 30.58 444 0 Normal
07/16/2025 07 PM PDT 30.57 441 - Normal
07/16/2025 08 PM PDT 30.57 441 0 Normal
07/16/2025 09 PM PDT 30.57 441 0 Normal
07/16/2025 10 PM PDT 30.56 439 - Normal
07/16/2025 11 PM PDT 30.56 439 0 Normal
07/17/2025 12 AM PDT 30.56 439 0 Normal
07/17/2025 01 AM PDT 30.55 437 - Normal
07/17/2025 02 AM PDT 30.55 437 0 Normal
07/17/2025 03 AM PDT 30.55 437 0 Normal
07/17/2025 04 AM PDT 30.54 435 - Normal
07/17/2025 05 AM PDT 30.54 435 0 Normal
07/17/2025 06 AM PDT 30.54 435 0 Normal
07/17/2025 07 AM PDT 30.54 435 0 Normal
07/17/2025 08 AM PDT 30.53 432 - Normal
07/17/2025 09 AM PDT 30.53 432 0 Normal
07/17/2025 10 AM PDT 30.52 430 - Normal
07/17/2025 11 AM PDT 30.52 430 0 Normal
07/17/2025 12 PM PDT 30.52 430 0 Normal
07/17/2025 01 PM PDT 30.52 430 0 Normal
07/17/2025 02 PM PDT 30.51 428 - Normal
07/17/2025 03 PM PDT 30.51 428 0 Normal
07/17/2025 04 PM PDT 30.51 428 0 Normal
07/17/2025 05 PM PDT 30.51 428 0 Normal
07/17/2025 06 PM PDT 30.50 425 - Normal
07/17/2025 07 PM PDT 30.50 425 0 Normal
07/17/2025 08 PM PDT 30.50 425 0 Normal
07/17/2025 09 PM PDT 30.50 425 0 Normal
07/17/2025 10 PM PDT 30.50 425 0 Normal
07/17/2025 11 PM PDT 30.49 423 - Normal
07/18/2025 12 AM PDT 30.49 423 0 Normal
07/18/2025 01 AM PDT 30.49 423 0 Normal
07/18/2025 02 AM PDT 30.48 421 - Normal
07/18/2025 03 AM PDT 30.48 421 0 Normal
07/18/2025 04 AM PDT 30.48 421 0 Normal
07/18/2025 05 AM PDT 30.48 421 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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