SAN JOAQUIN RIVER - STEVINSON (SSTC1)
Latitude: 37.29º NLongitude: 120.85º WElevation: 82 FeetForecast Type: Unofficial Location
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Apr 04 2026 at 7:38 AM PDTNext Issuance: Apr 05 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 - Stevinson (SSTC1)
#
# File Generation Time:  04/04/2026 at 07:41 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/02/2026 at 01:00 AM PDT
# Maximum Observed Stage:                       66.01 Feet
# Maximum Observed Flow:                        570 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       65.50 Feet
# Maximum Forecast Flow:                        460 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/30/2026 07 AM PDT           65.79            521                Not Applicable
  03/30/2026 08 AM PDT           65.81            525         +      Not Applicable
  03/30/2026 09 AM PDT           65.81            525         0      Not Applicable
  03/30/2026 10 AM PDT           65.81            525         0      Not Applicable
  03/30/2026 11 AM PDT           65.81            525         0      Not Applicable
  03/30/2026 12 PM PDT           65.81            525         0      Not Applicable
  03/30/2026 01 PM PDT           65.82            527         +      Not Applicable
  03/30/2026 02 PM PDT           65.82            527         0      Not Applicable
  03/30/2026 03 PM PDT           65.82            527         0      Not Applicable
  03/30/2026 04 PM PDT           65.82            527         0      Not Applicable
  03/30/2026 05 PM PDT           65.82            527         0      Not Applicable
  03/30/2026 06 PM PDT           65.83            530         +      Not Applicable
  03/30/2026 07 PM PDT           65.83            530         0      Not Applicable
  03/30/2026 08 PM PDT           65.83            530         0      Not Applicable
  03/30/2026 09 PM PDT           65.84            532         +      Not Applicable
  03/30/2026 10 PM PDT           65.84            532         0      Not Applicable
  03/30/2026 11 PM PDT           65.84            532         0      Not Applicable
  03/31/2026 12 AM PDT           65.84            532         0      Not Applicable
  03/31/2026 01 AM PDT           65.85            534         +      Not Applicable
  03/31/2026 02 AM PDT           65.85            534         0      Not Applicable
  03/31/2026 03 AM PDT           65.86            536         +      Not Applicable
  03/31/2026 04 AM PDT           65.85            534         -      Not Applicable
  03/31/2026 05 AM PDT           65.86            536         +      Not Applicable
  03/31/2026 06 AM PDT           65.86            536         0      Not Applicable
  03/31/2026 07 AM PDT           65.87            539         +      Not Applicable
  03/31/2026 08 AM PDT           65.87            539         0      Not Applicable
  03/31/2026 09 AM PDT           65.87            539         0      Not Applicable
  03/31/2026 10 AM PDT           65.88            541         +      Not Applicable
  03/31/2026 11 AM PDT           65.87            539         -      Not Applicable
  03/31/2026 12 PM PDT           65.88            541         +      Not Applicable
  03/31/2026 01 PM PDT           65.88            541         0      Not Applicable
  03/31/2026 02 PM PDT           65.89            543         +      Not Applicable
  03/31/2026 03 PM PDT           65.88            541         -      Not Applicable
  03/31/2026 04 PM PDT           65.88            541         0      Not Applicable
  03/31/2026 05 PM PDT           65.90            545         +      Not Applicable
  03/31/2026 06 PM PDT           65.89            543         -      Not Applicable
  03/31/2026 07 PM PDT           65.90            545         +      Not Applicable
  03/31/2026 08 PM PDT           65.89            543         -      Not Applicable
  03/31/2026 09 PM PDT           65.91            547         +      Not Applicable
  03/31/2026 10 PM PDT           65.91            547         0      Not Applicable
  03/31/2026 11 PM PDT           65.92            550         +      Not Applicable
  04/01/2026 12 AM PDT           65.94            554         +      Not Applicable
  04/01/2026 01 AM PDT           65.95            556         +      Not Applicable
  04/01/2026 02 AM PDT           65.95            556         0      Not Applicable
  04/01/2026 03 AM PDT           65.95            556         0      Not Applicable
  04/01/2026 04 AM PDT           65.96            559         +      Not Applicable
  04/01/2026 05 AM PDT           65.96            559         0      Not Applicable
  04/01/2026 06 AM PDT           65.94            554         -      Not Applicable
  04/01/2026 07 AM PDT           65.97            561         +      Not Applicable
  04/01/2026 08 AM PDT           65.97            561         0      Not Applicable
  04/01/2026 09 AM PDT           65.96            559         -      Not Applicable
  04/01/2026 10 AM PDT           65.97            561         +      Not Applicable
  04/01/2026 11 AM PDT           65.97            561         0      Not Applicable
  04/01/2026 12 PM PDT           65.97            561         0      Not Applicable
  04/01/2026 01 PM PDT           65.98            563         +      Not Applicable
  04/01/2026 02 PM PDT           65.99            566         +      Not Applicable
  04/01/2026 03 PM PDT           65.99            566         0      Not Applicable
  04/01/2026 04 PM PDT           65.99            566         0      Not Applicable
  04/01/2026 05 PM PDT           66.00            568         +      Not Applicable
  04/01/2026 06 PM PDT           66.00            568         0      Not Applicable
  04/01/2026 07 PM PDT           66.00            568         0      Not Applicable
  04/01/2026 08 PM PDT           66.00            568         0      Not Applicable
  04/01/2026 09 PM PDT           66.00            568         0      Not Applicable
  04/01/2026 10 PM PDT           66.00            568         0      Not Applicable
  04/01/2026 11 PM PDT           65.99            566         -      Not Applicable
  04/02/2026 12 AM PDT           66.01            570         +      Not Applicable
  04/02/2026 01 AM PDT           66.01            570         0      Not Applicable
  04/02/2026 02 AM PDT           66.00            568         -      Not Applicable
  04/02/2026 03 AM PDT           66.00            568         0      Not Applicable
  04/02/2026 04 AM PDT           65.99            566         -      Not Applicable
  04/02/2026 05 AM PDT           65.99            566         0      Not Applicable
  04/02/2026 06 AM PDT           65.99            566         0      Not Applicable
  04/02/2026 07 AM PDT           65.99            566         0      Not Applicable
  04/02/2026 08 AM PDT           65.98            563         -      Not Applicable
  04/02/2026 09 AM PDT           65.98            563         0      Not Applicable
  04/02/2026 10 AM PDT           65.97            561         -      Not Applicable
  04/02/2026 11 AM PDT           65.96            559         -      Not Applicable
  04/02/2026 12 PM PDT           65.96            559         0      Not Applicable
  04/02/2026 01 PM PDT           65.95            556         -      Not Applicable
  04/02/2026 02 PM PDT           65.96            559         +      Not Applicable
  04/02/2026 03 PM PDT           65.94            554         -      Not Applicable
  04/02/2026 04 PM PDT           65.94            554         0      Not Applicable
  04/02/2026 05 PM PDT           65.94            554         0      Not Applicable
  04/02/2026 06 PM PDT           65.93            552         -      Not Applicable
  04/02/2026 07 PM PDT           65.92            550         -      Not Applicable
  04/02/2026 08 PM PDT           65.90            545         -      Not Applicable
  04/02/2026 09 PM PDT           65.90            545         0      Not Applicable
  04/02/2026 10 PM PDT           65.89            543         -      Not Applicable
  04/02/2026 11 PM PDT           65.89            543         0      Not Applicable
  04/03/2026 12 AM PDT           65.88            541         -      Not Applicable
  04/03/2026 01 AM PDT           65.87            539         -      Not Applicable
  04/03/2026 02 AM PDT           65.86            536         -      Not Applicable
  04/03/2026 03 AM PDT           65.85            534         -      Not Applicable
  04/03/2026 04 AM PDT           65.85            534         0      Not Applicable
  04/03/2026 05 AM PDT           65.84            532         -      Not Applicable
  04/03/2026 06 AM PDT           65.83            530         -      Not Applicable
  04/03/2026 07 AM PDT           65.82            527         -      Not Applicable
  04/03/2026 08 AM PDT           65.80            523         -      Not Applicable
  04/03/2026 09 AM PDT           65.80            523         0      Not Applicable
  04/03/2026 10 AM PDT           65.78            519         -      Not Applicable
  04/03/2026 11 AM PDT           65.77            517         -      Not Applicable
  04/03/2026 12 PM PDT           65.76            514         -      Not Applicable
  04/03/2026 01 PM PDT           65.76            514         0      Not Applicable
  04/03/2026 02 PM PDT           65.75            512         -      Not Applicable
  04/03/2026 03 PM PDT           65.74            510         -      Not Applicable
  04/03/2026 04 PM PDT           65.73            508         -      Not Applicable
  04/03/2026 05 PM PDT           65.71            504         -      Not Applicable
  04/03/2026 06 PM PDT           65.69            499         -      Not Applicable
  04/03/2026 07 PM PDT           65.68            497         -      Not Applicable
  04/03/2026 08 PM PDT           65.67            495         -      Not Applicable
  04/03/2026 09 PM PDT           65.64            489         -      Not Applicable
  04/03/2026 10 PM PDT           65.63            487         -      Not Applicable
  04/03/2026 11 PM PDT           65.62            485         -      Not Applicable
  04/04/2026 12 AM PDT           65.60            480         -      Not Applicable
  04/04/2026 01 AM PDT           65.59            478         -      Not Applicable
  04/04/2026 02 AM PDT           65.57            474         -      Not Applicable
  04/04/2026 03 AM PDT           65.56            472         -      Not Applicable
  04/04/2026 04 AM PDT           65.54            468         -      Not Applicable
  04/04/2026 05 AM PDT           65.53            466         -      Not Applicable
  04/04/2026 06 AM PDT           65.52            464         -      Not Applicable
  04/04/2026 07 AM PDT           65.51            462         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/04/2026 08 AM PDT           65.50            460                Not Applicable
  04/04/2026 09 AM PDT           65.49            458         -      Not Applicable
  04/04/2026 10 AM PDT           65.47            454         -      Not Applicable
  04/04/2026 11 AM PDT           65.46            452         -      Not Applicable
  04/04/2026 12 PM PDT           65.45            450         -      Not Applicable
  04/04/2026 01 PM PDT           65.44            448         -      Not Applicable
  04/04/2026 02 PM PDT           65.43            446         -      Not Applicable
  04/04/2026 03 PM PDT           65.42            444         -      Not Applicable
  04/04/2026 04 PM PDT           65.41            442         -      Not Applicable
  04/04/2026 05 PM PDT           65.40            440         -      Not Applicable
  04/04/2026 06 PM PDT           65.39            438         -      Not Applicable
  04/04/2026 07 PM PDT           65.39            438         0      Not Applicable
  04/04/2026 08 PM PDT           65.38            436         -      Not Applicable
  04/04/2026 09 PM PDT           65.37            434         -      Not Applicable
  04/04/2026 10 PM PDT           65.36            432         -      Not Applicable
  04/04/2026 11 PM PDT           65.35            430         -      Not Applicable
  04/05/2026 12 AM PDT           65.35            430         0      Not Applicable
  04/05/2026 01 AM PDT           65.34            428         -      Not Applicable
  04/05/2026 02 AM PDT           65.33            426         -      Not Applicable
  04/05/2026 03 AM PDT           65.33            426         0      Not Applicable
  04/05/2026 04 AM PDT           65.32            424         -      Not Applicable
  04/05/2026 05 AM PDT           65.31            422         -      Not Applicable
  04/05/2026 06 AM PDT           65.31            422         0      Not Applicable
  04/05/2026 07 AM PDT           65.30            420         -      Not Applicable
  04/05/2026 08 AM PDT           65.29            418         -      Not Applicable
  04/05/2026 09 AM PDT           65.28            417         -      Not Applicable
  04/05/2026 10 AM PDT           65.28            417         0      Not Applicable
  04/05/2026 11 AM PDT           65.27            415         -      Not Applicable
  04/05/2026 12 PM PDT           65.26            413         -      Not Applicable
  04/05/2026 01 PM PDT           65.26            413         0      Not Applicable
  04/05/2026 02 PM PDT           65.25            411         -      Not Applicable
  04/05/2026 03 PM PDT           65.25            411         0      Not Applicable
  04/05/2026 04 PM PDT           65.24            409         -      Not Applicable
  04/05/2026 05 PM PDT           65.24            409         0      Not Applicable
  04/05/2026 06 PM PDT           65.23            407         -      Not Applicable
  04/05/2026 07 PM PDT           65.23            407         0      Not Applicable
  04/05/2026 08 PM PDT           65.22            405         -      Not Applicable
  04/05/2026 09 PM PDT           65.22            405         0      Not Applicable
  04/05/2026 10 PM PDT           65.21            403         -      Not Applicable
  04/05/2026 11 PM PDT           65.21            403         0      Not Applicable
  04/06/2026 12 AM PDT           65.21            403         0      Not Applicable
  04/06/2026 01 AM PDT           65.20            401         -      Not Applicable
  04/06/2026 02 AM PDT           65.20            401         0      Not Applicable
  04/06/2026 03 AM PDT           65.19            400         -      Not Applicable
  04/06/2026 04 AM PDT           65.19            400         0      Not Applicable
  04/06/2026 05 AM PDT           65.18            398         -      Not Applicable
  04/06/2026 06 AM PDT           65.18            398         0      Not Applicable
  04/06/2026 07 AM PDT           65.17            396         -      Not Applicable
  04/06/2026 08 AM PDT           65.17            396         0      Not Applicable
  04/06/2026 09 AM PDT           65.17            396         0      Not Applicable
  04/06/2026 10 AM PDT           65.17            396         0      Not Applicable
  04/06/2026 11 AM PDT           65.16            394         -      Not Applicable
  04/06/2026 12 PM PDT           65.16            394         0      Not Applicable
  04/06/2026 01 PM PDT           65.16            394         0      Not Applicable
  04/06/2026 02 PM PDT           65.15            392         -      Not Applicable
  04/06/2026 03 PM PDT           65.15            392         0      Not Applicable
  04/06/2026 04 PM PDT           65.15            392         0      Not Applicable
  04/06/2026 05 PM PDT           65.14            390         -      Not Applicable
  04/06/2026 06 PM PDT           65.14            390         0      Not Applicable
  04/06/2026 07 PM PDT           65.14            390         0      Not Applicable
  04/06/2026 08 PM PDT           65.14            390         0      Not Applicable
  04/06/2026 09 PM PDT           65.14            390         0      Not Applicable
  04/06/2026 10 PM PDT           65.13            388         -      Not Applicable
  04/06/2026 11 PM PDT           65.13            388         0      Not Applicable
  04/07/2026 12 AM PDT           65.13            388         0      Not Applicable
  04/07/2026 01 AM PDT           65.12            387         -      Not Applicable
  04/07/2026 02 AM PDT           65.12            387         0      Not Applicable
  04/07/2026 03 AM PDT           65.12            387         0      Not Applicable
  04/07/2026 04 AM PDT           65.11            385         -      Not Applicable
  04/07/2026 05 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 06 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 07 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 08 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 09 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 10 AM PDT           65.11            385         0      Not Applicable
  04/07/2026 11 AM PDT           65.10            383         -      Not Applicable
  04/07/2026 12 PM PDT           65.10            383         0      Not Applicable
  04/07/2026 01 PM PDT           65.10            383         0      Not Applicable
  04/07/2026 02 PM PDT           65.10            383         0      Not Applicable
  04/07/2026 03 PM PDT           65.10            383         0      Not Applicable
  04/07/2026 04 PM PDT           65.10            383         0      Not Applicable
  04/07/2026 05 PM PDT           65.09            381         -      Not Applicable
  04/07/2026 06 PM PDT           65.09            381         0      Not Applicable
  04/07/2026 07 PM PDT           65.09            381         0      Not Applicable
  04/07/2026 08 PM PDT           65.09            381         0      Not Applicable
  04/07/2026 09 PM PDT           65.09            381         0      Not Applicable
  04/07/2026 10 PM PDT           65.09            381         0      Not Applicable
  04/07/2026 11 PM PDT           65.09            381         0      Not Applicable
  04/08/2026 12 AM PDT           65.08            379         -      Not Applicable
  04/08/2026 01 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 02 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 03 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 04 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 05 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 06 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 07 AM PDT           65.08            379         0      Not Applicable
  04/08/2026 08 AM PDT           65.07            378         -      Not Applicable
  04/08/2026 09 AM PDT           65.07            378         0      Not Applicable
  04/08/2026 10 AM PDT           65.07            378         0      Not Applicable
  04/08/2026 11 AM PDT           65.07            378         0      Not Applicable
  04/08/2026 12 PM PDT           65.07            378         0      Not Applicable
  04/08/2026 01 PM PDT           65.07            378         0      Not Applicable
  04/08/2026 02 PM PDT           65.07            378         0      Not Applicable
  04/08/2026 03 PM PDT           65.07            378         0      Not Applicable
  04/08/2026 04 PM PDT           65.06            376         -      Not Applicable
  04/08/2026 05 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 06 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 07 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 08 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 09 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 10 PM PDT           65.06            376         0      Not Applicable
  04/08/2026 11 PM PDT           65.06            376         0      Not Applicable
  04/09/2026 12 AM PDT           65.06            376         0      Not Applicable
  04/09/2026 01 AM PDT           65.06            376         0      Not Applicable
  04/09/2026 02 AM PDT           65.06            376         0      Not Applicable
  04/09/2026 03 AM PDT           65.06            376         0      Not Applicable
  04/09/2026 04 AM PDT           65.06            376         0      Not Applicable
  04/09/2026 05 AM PDT           65.06            376         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.