SAN JOAQUIN RIVER - PATTERSON (PATC1)
Latitude: 37.49º NLongitude: 121.08º WElevation: 97 Feet
Location: Stanislaus County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 01 2025 at 8:38 AM PDTNext Issuance: Jul 02 2025 at 9:00 AM PDT
Action/Monitor: 48.0 FeetMinor Flood: 54.7 FeetModerate Flood: 57.3 FeetMajor Flood: 58.3 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time:  07/01/2025 at 08:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/30/2025 at 07:00 PM PDT
# Maximum Observed Stage:                       30.39 Feet
# Maximum Observed Flow:                        401 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/06/2025 at 03:00 AM PDT
# Maximum Forecast Stage:                       30.31 Feet
# Maximum Forecast Flow:                        383 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/26/2025 08 AM PDT           30.24            368                        Normal
  06/26/2025 09 AM PDT           30.23            366         -              Normal
  06/26/2025 10 AM PDT           30.23            366         0              Normal
  06/26/2025 11 AM PDT           30.22            364         -              Normal
  06/26/2025 12 PM PDT           30.21            362         -              Normal
  06/26/2025 01 PM PDT           30.22            364         +              Normal
  06/26/2025 02 PM PDT           30.21            362         -              Normal
  06/26/2025 03 PM PDT           30.22            364         +              Normal
  06/26/2025 04 PM PDT           30.23            366         +              Normal
  06/26/2025 05 PM PDT           30.23            366         0              Normal
  06/26/2025 06 PM PDT           30.22            364         -              Normal
  06/26/2025 07 PM PDT           30.22            364         0              Normal
  06/26/2025 08 PM PDT           30.20            360         -              Normal
  06/26/2025 09 PM PDT           30.20            360         0              Normal
  06/26/2025 10 PM PDT           30.20            360         0              Normal
  06/26/2025 11 PM PDT           30.19            358         -              Normal
  06/27/2025 12 AM PDT           30.18            356         -              Normal
  06/27/2025 01 AM PDT           30.18            356         0              Normal
  06/27/2025 02 AM PDT           30.17            353         -              Normal
  06/27/2025 03 AM PDT           30.14            347         -              Normal
  06/27/2025 04 AM PDT           30.12            343         -              Normal
  06/27/2025 05 AM PDT           30.11            341         -              Normal
  06/27/2025 06 AM PDT           30.10            339         -              Normal
  06/27/2025 07 AM PDT           30.10            339         0              Normal
  06/27/2025 08 AM PDT           30.09            337         -              Normal
  06/27/2025 09 AM PDT           30.09            337         0              Normal
  06/27/2025 10 AM PDT           30.08            335         -              Normal
  06/27/2025 11 AM PDT           30.07            333         -              Normal
  06/27/2025 12 PM PDT           30.06            331         -              Normal
  06/27/2025 01 PM PDT           30.07            333         +              Normal
  06/27/2025 02 PM PDT           30.09            337         +              Normal
  06/27/2025 03 PM PDT           30.10            339         +              Normal
  06/27/2025 04 PM PDT           30.09            337         -              Normal
  06/27/2025 05 PM PDT           30.06            331         -              Normal
  06/27/2025 06 PM PDT           30.07            333         +              Normal
  06/27/2025 07 PM PDT           30.03            325         -              Normal
  06/27/2025 08 PM PDT           30.00            319         -              Normal
  06/27/2025 09 PM PDT           30.07            333         +              Normal
  06/27/2025 10 PM PDT           30.03            325         -              Normal
  06/27/2025 11 PM PDT           30.01            321         -              Normal
  06/28/2025 12 AM PDT           30.04            327         +              Normal
  06/28/2025 01 AM PDT           30.04            327         0              Normal
  06/28/2025 02 AM PDT           30.06            331         +              Normal
  06/28/2025 03 AM PDT           30.07            333         +              Normal
  06/28/2025 04 AM PDT           30.06            331         -              Normal
  06/28/2025 05 AM PDT           30.07            333         +              Normal
  06/28/2025 06 AM PDT           30.05            329         -              Normal
  06/28/2025 07 AM PDT           30.07            333         +              Normal
  06/28/2025 08 AM PDT           30.07            333         0              Normal
  06/28/2025 09 AM PDT           30.07            333         0              Normal
  06/28/2025 10 AM PDT           30.08            335         +              Normal
  06/28/2025 11 AM PDT           30.09            337         +              Normal
  06/28/2025 12 PM PDT           30.11            341         +              Normal
  06/28/2025 01 PM PDT           30.12            343         +              Normal
  06/28/2025 02 PM PDT           30.14            347         +              Normal
  06/28/2025 03 PM PDT           30.14            347         0              Normal
  06/28/2025 04 PM PDT           30.15            349         +              Normal
  06/28/2025 05 PM PDT           30.15            349         0              Normal
  06/28/2025 06 PM PDT           30.14            347         -              Normal
  06/28/2025 07 PM PDT           30.13            345         -              Normal
  06/28/2025 08 PM PDT           30.15            349         +              Normal
  06/28/2025 09 PM PDT           30.11            341         -              Normal
  06/28/2025 10 PM PDT           30.07            333         -              Normal
  06/28/2025 11 PM PDT           30.12            343         +              Normal
  06/29/2025 12 AM PDT           30.05            329         -              Normal
  06/29/2025 01 AM PDT           30.10            339         +              Normal
  06/29/2025 02 AM PDT           30.09            337         -              Normal
  06/29/2025 03 AM PDT           30.07            333         -              Normal
  06/29/2025 04 AM PDT           30.18            356         +              Normal
  06/29/2025 05 AM PDT           30.13            345         -              Normal
  06/29/2025 06 AM PDT           30.12            343         -              Normal
  06/29/2025 07 AM PDT           30.14            347         +              Normal
  06/29/2025 08 AM PDT           30.21            362         +              Normal
  06/29/2025 09 AM PDT           30.23            366         +              Normal
  06/29/2025 10 AM PDT           30.26            373         +              Normal
  06/29/2025 11 AM PDT           30.35            392         +              Normal
  06/29/2025 12 PM PDT           30.32            386         -              Normal
  06/29/2025 01 PM PDT           30.39            401         +              Normal
  06/29/2025 02 PM PDT           30.35            392         -              Normal
  06/29/2025 03 PM PDT           30.35            392         0              Normal
  06/29/2025 04 PM PDT           30.33            388         -              Normal
  06/29/2025 05 PM PDT           30.31            383         -              Normal
  06/29/2025 06 PM PDT           30.31            383         0              Normal
  06/29/2025 07 PM PDT           30.32            386         +              Normal
  06/29/2025 08 PM PDT           30.32            386         0              Normal
  06/29/2025 09 PM PDT           30.33            388         +              Normal
  06/29/2025 10 PM PDT           30.34            390         +              Normal
  06/29/2025 11 PM PDT           30.34            390         0              Normal
  06/30/2025 12 AM PDT           30.33            388         -              Normal
  06/30/2025 01 AM PDT           30.32            386         -              Normal
  06/30/2025 02 AM PDT           30.31            383         -              Normal
  06/30/2025 03 AM PDT           30.30            381         -              Normal
  06/30/2025 04 AM PDT           30.30            381         0              Normal
  06/30/2025 05 AM PDT           30.30            381         0              Normal
  06/30/2025 06 AM PDT           30.30            381         0              Normal
  06/30/2025 07 AM PDT           30.31            383         +              Normal
  06/30/2025 08 AM PDT           30.32            386         +              Normal
  06/30/2025 09 AM PDT           30.33            388         +              Normal
  06/30/2025 10 AM PDT           30.35            392         +              Normal
  06/30/2025 11 AM PDT           30.32            386         -              Normal
  06/30/2025 12 PM PDT           30.35            392         +              Normal
  06/30/2025 01 PM PDT           30.37            396         +              Normal
  06/30/2025 02 PM PDT           30.36            394         -              Normal
  06/30/2025 03 PM PDT           30.36            394         0              Normal
  06/30/2025 04 PM PDT           30.37            396         +              Normal
  06/30/2025 05 PM PDT           30.37            396         0              Normal
  06/30/2025 06 PM PDT           30.38            399         +              Normal
  06/30/2025 07 PM PDT           30.39            401         +              Normal
  06/30/2025 08 PM PDT           30.38            399         -              Normal
  06/30/2025 09 PM PDT           30.38            399         0              Normal
  06/30/2025 10 PM PDT           30.37            396         -              Normal
  06/30/2025 11 PM PDT           30.35            392         -              Normal
  07/01/2025 12 AM PDT           30.33            388         -              Normal
  07/01/2025 01 AM PDT           30.31            383         -              Normal
  07/01/2025 02 AM PDT           30.28            377         -              Normal
  07/01/2025 03 AM PDT           30.25            370         -              Normal
  07/01/2025 04 AM PDT           30.22            364         -              Normal
  07/01/2025 05 AM PDT           30.19            358         -              Normal
  07/01/2025 06 AM PDT           30.18            356         -              Normal
  07/01/2025 07 AM PDT           30.18            356         0              Normal
  07/01/2025 08 AM PDT           30.18            356         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/01/2025 09 AM PDT           30.18            356                        Normal
  07/01/2025 10 AM PDT           30.17            353         -              Normal
  07/01/2025 11 AM PDT           30.17            353         0              Normal
  07/01/2025 12 PM PDT           30.16            351         -              Normal
  07/01/2025 01 PM PDT           30.15            349         -              Normal
  07/01/2025 02 PM PDT           30.15            349         0              Normal
  07/01/2025 03 PM PDT           30.14            347         -              Normal
  07/01/2025 04 PM PDT           30.14            347         0              Normal
  07/01/2025 05 PM PDT           30.13            345         -              Normal
  07/01/2025 06 PM PDT           30.13            345         0              Normal
  07/01/2025 07 PM PDT           30.12            343         -              Normal
  07/01/2025 08 PM PDT           30.12            343         0              Normal
  07/01/2025 09 PM PDT           30.11            341         -              Normal
  07/01/2025 10 PM PDT           30.11            341         0              Normal
  07/01/2025 11 PM PDT           30.10            339         -              Normal
  07/02/2025 12 AM PDT           30.10            339         0              Normal
  07/02/2025 01 AM PDT           30.09            337         -              Normal
  07/02/2025 02 AM PDT           30.09            337         0              Normal
  07/02/2025 03 AM PDT           30.09            337         0              Normal
  07/02/2025 04 AM PDT           30.08            335         -              Normal
  07/02/2025 05 AM PDT           30.08            335         0              Normal
  07/02/2025 06 AM PDT           30.07            333         -              Normal
  07/02/2025 07 AM PDT           30.07            333         0              Normal
  07/02/2025 08 AM PDT           30.06            331         -              Normal
  07/02/2025 09 AM PDT           30.06            331         0              Normal
  07/02/2025 10 AM PDT           30.06            331         0              Normal
  07/02/2025 11 AM PDT           30.05            329         -              Normal
  07/02/2025 12 PM PDT           30.05            329         0              Normal
  07/02/2025 01 PM PDT           30.04            327         -              Normal
  07/02/2025 02 PM PDT           30.04            327         0              Normal
  07/02/2025 03 PM PDT           30.04            327         0              Normal
  07/02/2025 04 PM PDT           30.03            325         -              Normal
  07/02/2025 05 PM PDT           30.03            325         0              Normal
  07/02/2025 06 PM PDT           30.03            325         0              Normal
  07/02/2025 07 PM PDT           30.02            323         -              Normal
  07/02/2025 08 PM PDT           30.02            323         0              Normal
  07/02/2025 09 PM PDT           30.02            323         0              Normal
  07/02/2025 10 PM PDT           30.02            323         0              Normal
  07/02/2025 11 PM PDT           30.02            323         0              Normal
  07/03/2025 12 AM PDT           30.02            323         0              Normal
  07/03/2025 01 AM PDT           30.01            321         -              Normal
  07/03/2025 02 AM PDT           30.01            321         0              Normal
  07/03/2025 03 AM PDT           30.01            321         0              Normal
  07/03/2025 04 AM PDT           30.01            321         0              Normal
  07/03/2025 05 AM PDT           30.01            321         0              Normal
  07/03/2025 06 AM PDT           30.01            321         0              Normal
  07/03/2025 07 AM PDT           30.01            321         0              Normal
  07/03/2025 08 AM PDT           30.02            323         +              Normal
  07/03/2025 09 AM PDT           30.02            323         0              Normal
  07/03/2025 10 AM PDT           30.02            323         0              Normal
  07/03/2025 11 AM PDT           30.02            323         0              Normal
  07/03/2025 12 PM PDT           30.02            323         0              Normal
  07/03/2025 01 PM PDT           30.02            323         0              Normal
  07/03/2025 02 PM PDT           30.02            323         0              Normal
  07/03/2025 03 PM PDT           30.03            325         +              Normal
  07/03/2025 04 PM PDT           30.03            325         0              Normal
  07/03/2025 05 PM PDT           30.03            325         0              Normal
  07/03/2025 06 PM PDT           30.04            327         +              Normal
  07/03/2025 07 PM PDT           30.04            327         0              Normal
  07/03/2025 08 PM PDT           30.04            327         0              Normal
  07/03/2025 09 PM PDT           30.05            329         +              Normal
  07/03/2025 10 PM PDT           30.05            329         0              Normal
  07/03/2025 11 PM PDT           30.06            331         +              Normal
  07/04/2025 12 AM PDT           30.06            331         0              Normal
  07/04/2025 01 AM PDT           30.07            333         +              Normal
  07/04/2025 02 AM PDT           30.07            333         0              Normal
  07/04/2025 03 AM PDT           30.08            335         +              Normal
  07/04/2025 04 AM PDT           30.08            335         0              Normal
  07/04/2025 05 AM PDT           30.09            337         +              Normal
  07/04/2025 06 AM PDT           30.09            337         0              Normal
  07/04/2025 07 AM PDT           30.10            339         +              Normal
  07/04/2025 08 AM PDT           30.11            341         +              Normal
  07/04/2025 09 AM PDT           30.11            341         0              Normal
  07/04/2025 10 AM PDT           30.12            343         +              Normal
  07/04/2025 11 AM PDT           30.12            343         0              Normal
  07/04/2025 12 PM PDT           30.13            345         +              Normal
  07/04/2025 01 PM PDT           30.13            345         0              Normal
  07/04/2025 02 PM PDT           30.14            347         +              Normal
  07/04/2025 03 PM PDT           30.14            347         0              Normal
  07/04/2025 04 PM PDT           30.15            349         +              Normal
  07/04/2025 05 PM PDT           30.15            349         0              Normal
  07/04/2025 06 PM PDT           30.16            351         +              Normal
  07/04/2025 07 PM PDT           30.16            351         0              Normal
  07/04/2025 08 PM PDT           30.17            353         +              Normal
  07/04/2025 09 PM PDT           30.18            356         +              Normal
  07/04/2025 10 PM PDT           30.18            356         0              Normal
  07/04/2025 11 PM PDT           30.18            356         0              Normal
  07/05/2025 12 AM PDT           30.19            358         +              Normal
  07/05/2025 01 AM PDT           30.20            360         +              Normal
  07/05/2025 02 AM PDT           30.20            360         0              Normal
  07/05/2025 03 AM PDT           30.21            362         +              Normal
  07/05/2025 04 AM PDT           30.21            362         0              Normal
  07/05/2025 05 AM PDT           30.22            364         +              Normal
  07/05/2025 06 AM PDT           30.22            364         0              Normal
  07/05/2025 07 AM PDT           30.23            366         +              Normal
  07/05/2025 08 AM PDT           30.23            366         0              Normal
  07/05/2025 09 AM PDT           30.24            368         +              Normal
  07/05/2025 10 AM PDT           30.24            368         0              Normal
  07/05/2025 11 AM PDT           30.25            370         +              Normal
  07/05/2025 12 PM PDT           30.25            370         0              Normal
  07/05/2025 01 PM PDT           30.25            370         0              Normal
  07/05/2025 02 PM PDT           30.26            373         +              Normal
  07/05/2025 03 PM PDT           30.26            373         0              Normal
  07/05/2025 04 PM PDT           30.27            375         +              Normal
  07/05/2025 05 PM PDT           30.27            375         0              Normal
  07/05/2025 06 PM PDT           30.28            377         +              Normal
  07/05/2025 07 PM PDT           30.28            377         0              Normal
  07/05/2025 08 PM PDT           30.29            379         +              Normal
  07/05/2025 09 PM PDT           30.29            379         0              Normal
  07/05/2025 10 PM PDT           30.29            379         0              Normal
  07/05/2025 11 PM PDT           30.30            381         +              Normal
  07/06/2025 12 AM PDT           30.30            381         0              Normal
  07/06/2025 01 AM PDT           30.30            381         0              Normal
  07/06/2025 02 AM PDT           30.30            381         0              Normal
  07/06/2025 03 AM PDT           30.31            383         +              Normal
  07/06/2025 04 AM PDT           30.31            383         0              Normal
  07/06/2025 05 AM PDT           30.31            383         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.