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: Jun 30 2026 at 7:16 AM PDTNext Issuance: Jul 01 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:  06/30/2026 at 07:18 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/30/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       61.53 Feet
# Maximum Observed Flow:                        60 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/04/2026 at 12:00 AM PDT
# Maximum Forecast Stage:                       62.90 Feet
# Maximum Forecast Flow:                        153 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/25/2026 07 AM PDT           61.49             58                Not Applicable
  06/25/2026 08 AM PDT           61.49             58         0      Not Applicable
  06/25/2026 09 AM PDT           61.49             58         0      Not Applicable
  06/25/2026 10 AM PDT           61.49             58         0      Not Applicable
  06/25/2026 11 AM PDT           61.49             58         0      Not Applicable
  06/25/2026 12 PM PDT           61.49             58         0      Not Applicable
  06/25/2026 01 PM PDT           61.49             58         0      Not Applicable
  06/25/2026 02 PM PDT           61.47             57         -      Not Applicable
  06/25/2026 03 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 04 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 05 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 06 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 07 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 08 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 09 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 10 PM PDT           61.47             57         0      Not Applicable
  06/25/2026 11 PM PDT           61.47             57         0      Not Applicable
  06/26/2026 12 AM PDT           61.47             57         0      Not Applicable
  06/26/2026 01 AM PDT           61.47             57         0      Not Applicable
  06/26/2026 02 AM PDT           61.47             57         0      Not Applicable
  06/26/2026 03 AM PDT           61.47             57         0      Not Applicable
  06/26/2026 04 AM PDT           61.49             58         +      Not Applicable
  06/26/2026 05 AM PDT           61.47             57         -      Not Applicable
  06/26/2026 06 AM PDT           61.49             58         +      Not Applicable
  06/26/2026 07 AM PDT           61.49             58         0      Not Applicable
  06/26/2026 08 AM PDT           61.49             58         0      Not Applicable
  06/26/2026 09 AM PDT           61.49             58         0      Not Applicable
  06/26/2026 10 AM PDT           61.49             58         0      Not Applicable
  06/26/2026 11 AM PDT           61.49             58         0      Not Applicable
  06/26/2026 12 PM PDT           61.49             58         0      Not Applicable
  06/26/2026 01 PM PDT           61.49             58         0      Not Applicable
  06/26/2026 02 PM PDT           61.51             59         +      Not Applicable
  06/26/2026 03 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 04 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 05 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 06 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 07 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 08 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 09 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 10 PM PDT           61.51             59         0      Not Applicable
  06/26/2026 11 PM PDT           61.51             59         0      Not Applicable
  06/27/2026 12 AM PDT           61.53             60         +      Not Applicable
  06/27/2026 01 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 02 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 03 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 04 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 05 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 06 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 07 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 08 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 09 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 10 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 11 AM PDT           61.53             60         0      Not Applicable
  06/27/2026 12 PM PDT           61.53             60         0      Not Applicable
  06/27/2026 01 PM PDT           61.51             59         -      Not Applicable
  06/27/2026 02 PM PDT           61.51             59         0      Not Applicable
  06/27/2026 03 PM PDT           61.51             59         0      Not Applicable
  06/27/2026 04 PM PDT           61.51             59         0      Not Applicable
  06/27/2026 05 PM PDT           61.49             58         -      Not Applicable
  06/27/2026 06 PM PDT           61.49             58         0      Not Applicable
  06/27/2026 07 PM PDT           61.49             58         0      Not Applicable
  06/27/2026 08 PM PDT           61.47             57         -      Not Applicable
  06/27/2026 09 PM PDT           61.47             57         0      Not Applicable
  06/27/2026 10 PM PDT           61.47             57         0      Not Applicable
  06/27/2026 11 PM PDT           61.47             57         0      Not Applicable
  06/28/2026 12 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 01 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 02 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 03 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 04 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 05 AM PDT           61.43             55         -      Not Applicable
  06/28/2026 06 AM PDT           61.47             57         +      Not Applicable
  06/28/2026 07 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 08 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 09 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 10 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 11 AM PDT           61.47             57         0      Not Applicable
  06/28/2026 12 PM PDT           61.45             56         -      Not Applicable
  06/28/2026 01 PM PDT           61.45             56         0      Not Applicable
  06/28/2026 02 PM PDT           61.45             56         0      Not Applicable
  06/28/2026 03 PM PDT           61.45             56         0      Not Applicable
  06/28/2026 04 PM PDT           61.43             55         -      Not Applicable
  06/28/2026 05 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 06 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 07 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 08 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 09 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 10 PM PDT           61.43             55         0      Not Applicable
  06/28/2026 11 PM PDT           61.43             55         0      Not Applicable
  06/29/2026 12 AM PDT           61.41             54         -      Not Applicable
  06/29/2026 01 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 02 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 03 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 04 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 05 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 06 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 07 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 08 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 09 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 10 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 11 AM PDT           61.41             54         0      Not Applicable
  06/29/2026 12 PM PDT           61.41             54         0      Not Applicable
  06/29/2026 01 PM PDT           61.41             54         0      Not Applicable
  06/29/2026 02 PM PDT           61.41             54         0      Not Applicable
  06/29/2026 03 PM PDT           61.41             54         0      Not Applicable
  06/29/2026 04 PM PDT           61.39             53         -      Not Applicable
  06/29/2026 05 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 06 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 07 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 08 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 09 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 10 PM PDT           61.39             53         0      Not Applicable
  06/29/2026 11 PM PDT           61.39             53         0      Not Applicable
  06/30/2026 12 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 01 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 02 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 03 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 04 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 05 AM PDT           61.39             53         0      Not Applicable
  06/30/2026 06 AM PDT           61.46             57         +      Not Applicable
  06/30/2026 07 AM PDT           61.53             60         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/30/2026 08 AM PDT           61.59             64                Not Applicable
  06/30/2026 09 AM PDT           61.65             67         +      Not Applicable
  06/30/2026 10 AM PDT           61.72             71         +      Not Applicable
  06/30/2026 11 AM PDT           61.78             75         +      Not Applicable
  06/30/2026 12 PM PDT           61.86             79         +      Not Applicable
  06/30/2026 01 PM PDT           61.92             83         +      Not Applicable
  06/30/2026 02 PM PDT           61.99             88         +      Not Applicable
  06/30/2026 03 PM PDT           62.05             91         +      Not Applicable
  06/30/2026 04 PM PDT           62.09             94         +      Not Applicable
  06/30/2026 05 PM PDT           62.13             97         +      Not Applicable
  06/30/2026 06 PM PDT           62.17             99         +      Not Applicable
  06/30/2026 07 PM PDT           62.21            102         +      Not Applicable
  06/30/2026 08 PM PDT           62.24            104         +      Not Applicable
  06/30/2026 09 PM PDT           62.25            105         +      Not Applicable
  06/30/2026 10 PM PDT           62.27            106         +      Not Applicable
  06/30/2026 11 PM PDT           62.27            106         0      Not Applicable
  07/01/2026 12 AM PDT           62.29            107         +      Not Applicable
  07/01/2026 01 AM PDT           62.30            108         +      Not Applicable
  07/01/2026 02 AM PDT           62.31            109         +      Not Applicable
  07/01/2026 03 AM PDT           62.34            111         +      Not Applicable
  07/01/2026 04 AM PDT           62.35            112         +      Not Applicable
  07/01/2026 05 AM PDT           62.37            113         +      Not Applicable
  07/01/2026 06 AM PDT           62.39            115         +      Not Applicable
  07/01/2026 07 AM PDT           62.41            116         +      Not Applicable
  07/01/2026 08 AM PDT           62.43            117         +      Not Applicable
  07/01/2026 09 AM PDT           62.45            119         +      Not Applicable
  07/01/2026 10 AM PDT           62.47            120         +      Not Applicable
  07/01/2026 11 AM PDT           62.48            121         +      Not Applicable
  07/01/2026 12 PM PDT           62.51            123         +      Not Applicable
  07/01/2026 01 PM PDT           62.52            124         +      Not Applicable
  07/01/2026 02 PM PDT           62.53            125         +      Not Applicable
  07/01/2026 03 PM PDT           62.55            126         +      Not Applicable
  07/01/2026 04 PM PDT           62.56            127         +      Not Applicable
  07/01/2026 05 PM PDT           62.58            128         +      Not Applicable
  07/01/2026 06 PM PDT           62.59            129         +      Not Applicable
  07/01/2026 07 PM PDT           62.60            130         +      Not Applicable
  07/01/2026 08 PM PDT           62.62            131         +      Not Applicable
  07/01/2026 09 PM PDT           62.63            132         +      Not Applicable
  07/01/2026 10 PM PDT           62.64            133         +      Not Applicable
  07/01/2026 11 PM PDT           62.66            134         +      Not Applicable
  07/02/2026 12 AM PDT           62.67            135         +      Not Applicable
  07/02/2026 01 AM PDT           62.68            136         +      Not Applicable
  07/02/2026 02 AM PDT           62.69            137         +      Not Applicable
  07/02/2026 03 AM PDT           62.71            138         +      Not Applicable
  07/02/2026 04 AM PDT           62.71            138         0      Not Applicable
  07/02/2026 05 AM PDT           62.72            139         +      Not Applicable
  07/02/2026 06 AM PDT           62.73            140         +      Not Applicable
  07/02/2026 07 AM PDT           62.73            140         0      Not Applicable
  07/02/2026 08 AM PDT           62.75            141         +      Not Applicable
  07/02/2026 09 AM PDT           62.76            142         +      Not Applicable
  07/02/2026 10 AM PDT           62.76            142         0      Not Applicable
  07/02/2026 11 AM PDT           62.77            143         +      Not Applicable
  07/02/2026 12 PM PDT           62.78            144         +      Not Applicable
  07/02/2026 01 PM PDT           62.79            144         +      Not Applicable
  07/02/2026 02 PM PDT           62.80            145         +      Not Applicable
  07/02/2026 03 PM PDT           62.80            145         0      Not Applicable
  07/02/2026 04 PM PDT           62.81            146         +      Not Applicable
  07/02/2026 05 PM PDT           62.81            146         0      Not Applicable
  07/02/2026 06 PM PDT           62.81            146         0      Not Applicable
  07/02/2026 07 PM PDT           62.82            147         +      Not Applicable
  07/02/2026 08 PM PDT           62.82            147         0      Not Applicable
  07/02/2026 09 PM PDT           62.83            148         +      Not Applicable
  07/02/2026 10 PM PDT           62.84            148         +      Not Applicable
  07/02/2026 11 PM PDT           62.84            148         0      Not Applicable
  07/03/2026 12 AM PDT           62.85            149         +      Not Applicable
  07/03/2026 01 AM PDT           62.85            149         0      Not Applicable
  07/03/2026 02 AM PDT           62.85            149         0      Not Applicable
  07/03/2026 03 AM PDT           62.86            150         +      Not Applicable
  07/03/2026 04 AM PDT           62.86            150         0      Not Applicable
  07/03/2026 05 AM PDT           62.86            150         0      Not Applicable
  07/03/2026 06 AM PDT           62.86            150         0      Not Applicable
  07/03/2026 07 AM PDT           62.87            151         +      Not Applicable
  07/03/2026 08 AM PDT           62.87            151         0      Not Applicable
  07/03/2026 09 AM PDT           62.87            151         0      Not Applicable
  07/03/2026 10 AM PDT           62.87            151         0      Not Applicable
  07/03/2026 11 AM PDT           62.87            151         0      Not Applicable
  07/03/2026 12 PM PDT           62.88            152         +      Not Applicable
  07/03/2026 01 PM PDT           62.88            152         0      Not Applicable
  07/03/2026 02 PM PDT           62.88            152         0      Not Applicable
  07/03/2026 03 PM PDT           62.88            152         0      Not Applicable
  07/03/2026 04 PM PDT           62.88            152         0      Not Applicable
  07/03/2026 05 PM PDT           62.89            152         +      Not Applicable
  07/03/2026 06 PM PDT           62.89            152         0      Not Applicable
  07/03/2026 07 PM PDT           62.89            152         0      Not Applicable
  07/03/2026 08 PM PDT           62.89            152         0      Not Applicable
  07/03/2026 09 PM PDT           62.89            152         0      Not Applicable
  07/03/2026 10 PM PDT           62.89            152         0      Not Applicable
  07/03/2026 11 PM PDT           62.89            152         0      Not Applicable
  07/04/2026 12 AM PDT           62.90            153         +      Not Applicable
  07/04/2026 01 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 02 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 03 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 04 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 05 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 06 AM PDT           62.90            153         0      Not Applicable
  07/04/2026 07 AM PDT           62.89            152         -      Not Applicable
  07/04/2026 08 AM PDT           62.89            152         0      Not Applicable
  07/04/2026 09 AM PDT           62.89            152         0      Not Applicable
  07/04/2026 10 AM PDT           62.89            152         0      Not Applicable
  07/04/2026 11 AM PDT           62.89            152         0      Not Applicable
  07/04/2026 12 PM PDT           62.89            152         0      Not Applicable
  07/04/2026 01 PM PDT           62.89            152         0      Not Applicable
  07/04/2026 02 PM PDT           62.89            152         0      Not Applicable
  07/04/2026 03 PM PDT           62.89            152         0      Not Applicable
  07/04/2026 04 PM PDT           62.88            152         -      Not Applicable
  07/04/2026 05 PM PDT           62.88            152         0      Not Applicable
  07/04/2026 06 PM PDT           62.88            152         0      Not Applicable
  07/04/2026 07 PM PDT           62.88            152         0      Not Applicable
  07/04/2026 08 PM PDT           62.88            152         0      Not Applicable
  07/04/2026 09 PM PDT           62.87            151         -      Not Applicable
  07/04/2026 10 PM PDT           62.87            151         0      Not Applicable
  07/04/2026 11 PM PDT           62.87            151         0      Not Applicable
  07/05/2026 12 AM PDT           62.87            151         0      Not Applicable
  07/05/2026 01 AM PDT           62.87            151         0      Not Applicable
  07/05/2026 02 AM PDT           62.87            151         0      Not Applicable
  07/05/2026 03 AM PDT           62.87            151         0      Not Applicable
  07/05/2026 04 AM PDT           62.87            151         0      Not Applicable
  07/05/2026 05 AM PDT           62.87            151         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.