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: Mar 20 2026 at 7:35 AM PDTNext Issuance: Mar 20 2026 at 3:00 PM 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:  03/20/2026 at 07:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/20/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       65.52 Feet
# Maximum Observed Flow:                        464 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/20/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       65.49 Feet
# Maximum Forecast Flow:                        458 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/15/2026 07 AM PDT           64.62            301                Not Applicable
  03/15/2026 08 AM PDT           64.64            305         +      Not Applicable
  03/15/2026 09 AM PDT           64.65            306         +      Not Applicable
  03/15/2026 10 AM PDT           64.66            308         +      Not Applicable
  03/15/2026 11 AM PDT           64.66            308         0      Not Applicable
  03/15/2026 12 PM PDT           64.67            309         +      Not Applicable
  03/15/2026 01 PM PDT           64.67            309         0      Not Applicable
  03/15/2026 02 PM PDT           64.69            313         +      Not Applicable
  03/15/2026 03 PM PDT           64.69            313         0      Not Applicable
  03/15/2026 04 PM PDT           64.70            314         +      Not Applicable
  03/15/2026 05 PM PDT           64.72            318         +      Not Applicable
  03/15/2026 06 PM PDT           64.72            318         0      Not Applicable
  03/15/2026 07 PM PDT           64.73            319         +      Not Applicable
  03/15/2026 08 PM PDT           64.73            319         0      Not Applicable
  03/15/2026 09 PM PDT           64.74            321         +      Not Applicable
  03/15/2026 10 PM PDT           64.76            324         +      Not Applicable
  03/15/2026 11 PM PDT           64.76            324         0      Not Applicable
  03/16/2026 12 AM PDT           64.77            326         +      Not Applicable
  03/16/2026 01 AM PDT           64.77            326         0      Not Applicable
  03/16/2026 02 AM PDT           64.78            327         +      Not Applicable
  03/16/2026 03 AM PDT           64.79            329         +      Not Applicable
  03/16/2026 04 AM PDT           64.79            329         0      Not Applicable
  03/16/2026 05 AM PDT           64.79            329         0      Not Applicable
  03/16/2026 06 AM PDT           64.81            332         +      Not Applicable
  03/16/2026 07 AM PDT           64.82            334         +      Not Applicable
  03/16/2026 08 AM PDT           64.82            334         0      Not Applicable
  03/16/2026 09 AM PDT           64.83            336         +      Not Applicable
  03/16/2026 10 AM PDT           64.84            337         +      Not Applicable
  03/16/2026 11 AM PDT           64.84            337         0      Not Applicable
  03/16/2026 12 PM PDT           64.85            339         +      Not Applicable
  03/16/2026 01 PM PDT           64.86            341         +      Not Applicable
  03/16/2026 02 PM PDT           64.85            339         -      Not Applicable
  03/16/2026 03 PM PDT           64.87            342         +      Not Applicable
  03/16/2026 04 PM PDT           64.86            341         -      Not Applicable
  03/16/2026 05 PM PDT           64.87            342         +      Not Applicable
  03/16/2026 06 PM PDT           64.87            342         0      Not Applicable
  03/16/2026 07 PM PDT           64.87            342         0      Not Applicable
  03/16/2026 08 PM PDT           64.88            344         +      Not Applicable
  03/16/2026 09 PM PDT           64.88            344         0      Not Applicable
  03/16/2026 10 PM PDT           64.89            346         +      Not Applicable
  03/16/2026 11 PM PDT           64.90            348         +      Not Applicable
  03/17/2026 12 AM PDT           64.90            348         0      Not Applicable
  03/17/2026 01 AM PDT           64.91            349         +      Not Applicable
  03/17/2026 02 AM PDT           64.92            351         +      Not Applicable
  03/17/2026 03 AM PDT           64.92            351         0      Not Applicable
  03/17/2026 04 AM PDT           64.93            353         +      Not Applicable
  03/17/2026 05 AM PDT           64.94            355         +      Not Applicable
  03/17/2026 06 AM PDT           64.94            355         0      Not Applicable
  03/17/2026 07 AM PDT           64.94            355         0      Not Applicable
  03/17/2026 08 AM PDT           64.96            358         +      Not Applicable
  03/17/2026 09 AM PDT           64.96            358         0      Not Applicable
  03/17/2026 10 AM PDT           64.97            360         +      Not Applicable
  03/17/2026 11 AM PDT           64.98            362         +      Not Applicable
  03/17/2026 12 PM PDT           64.98            362         0      Not Applicable
  03/17/2026 01 PM PDT           64.99            363         +      Not Applicable
  03/17/2026 02 PM PDT           65.00            365         +      Not Applicable
  03/17/2026 03 PM PDT           65.00            365         0      Not Applicable
  03/17/2026 04 PM PDT           65.01            367         +      Not Applicable
  03/17/2026 05 PM PDT           65.01            367         0      Not Applicable
  03/17/2026 06 PM PDT           65.03            370         +      Not Applicable
  03/17/2026 07 PM PDT           65.03            370         0      Not Applicable
  03/17/2026 08 PM PDT           65.04            372         +      Not Applicable
  03/17/2026 09 PM PDT           65.04            372         0      Not Applicable
  03/17/2026 10 PM PDT           65.05            374         +      Not Applicable
  03/17/2026 11 PM PDT           65.05            374         0      Not Applicable
  03/18/2026 12 AM PDT           65.07            378         +      Not Applicable
  03/18/2026 01 AM PDT           65.08            379         +      Not Applicable
  03/18/2026 02 AM PDT           65.09            381         +      Not Applicable
  03/18/2026 03 AM PDT           65.10            383         +      Not Applicable
  03/18/2026 04 AM PDT           65.11            385         +      Not Applicable
  03/18/2026 05 AM PDT           65.12            387         +      Not Applicable
  03/18/2026 06 AM PDT           65.12            387         0      Not Applicable
  03/18/2026 07 AM PDT           65.13            388         +      Not Applicable
  03/18/2026 08 AM PDT           65.15            392         +      Not Applicable
  03/18/2026 09 AM PDT           65.16            394         +      Not Applicable
  03/18/2026 10 AM PDT           65.17            396         +      Not Applicable
  03/18/2026 11 AM PDT           65.18            398         +      Not Applicable
  03/18/2026 12 PM PDT           65.19            400         +      Not Applicable
  03/18/2026 01 PM PDT           65.20            401         +      Not Applicable
  03/18/2026 02 PM PDT           65.21            403         +      Not Applicable
  03/18/2026 03 PM PDT           65.22            405         +      Not Applicable
  03/18/2026 04 PM PDT           65.23            407         +      Not Applicable
  03/18/2026 05 PM PDT           65.24            409         +      Not Applicable
  03/18/2026 06 PM PDT           65.26            413         +      Not Applicable
  03/18/2026 07 PM PDT           65.26            413         0      Not Applicable
  03/18/2026 08 PM PDT           65.27            415         +      Not Applicable
  03/18/2026 09 PM PDT           65.28            417         +      Not Applicable
  03/18/2026 10 PM PDT           65.30            420         +      Not Applicable
  03/18/2026 11 PM PDT           65.31            422         +      Not Applicable
  03/19/2026 12 AM PDT           65.32            424         +      Not Applicable
  03/19/2026 01 AM PDT           65.33            426         +      Not Applicable
  03/19/2026 02 AM PDT           65.35            430         +      Not Applicable
  03/19/2026 03 AM PDT           65.36            432         +      Not Applicable
  03/19/2026 04 AM PDT           65.37            434         +      Not Applicable
  03/19/2026 05 AM PDT           65.38            436         +      Not Applicable
  03/19/2026 06 AM PDT           65.40            440         +      Not Applicable
  03/19/2026 07 AM PDT           65.40            440         0      Not Applicable
  03/19/2026 08 AM PDT           65.41            442         +      Not Applicable
  03/19/2026 09 AM PDT           65.42            444         +      Not Applicable
  03/19/2026 10 AM PDT           65.43            446         +      Not Applicable
  03/19/2026 11 AM PDT           65.44            448         +      Not Applicable
  03/19/2026 12 PM PDT           65.45            450         +      Not Applicable
  03/19/2026 01 PM PDT           65.44            448         -      Not Applicable
  03/19/2026 02 PM PDT           65.45            450         +      Not Applicable
  03/19/2026 03 PM PDT           65.47            454         +      Not Applicable
  03/19/2026 04 PM PDT           65.46            452         -      Not Applicable
  03/19/2026 05 PM PDT           65.46            452         0      Not Applicable
  03/19/2026 06 PM PDT           65.47            454         +      Not Applicable
  03/19/2026 07 PM PDT           65.48            456         +      Not Applicable
  03/19/2026 08 PM PDT           65.48            456         0      Not Applicable
  03/19/2026 09 PM PDT           65.49            458         +      Not Applicable
  03/19/2026 10 PM PDT           65.50            460         +      Not Applicable
  03/19/2026 11 PM PDT           65.50            460         0      Not Applicable
  03/20/2026 12 AM PDT           65.50            460         0      Not Applicable
  03/20/2026 01 AM PDT           65.50            460         0      Not Applicable
  03/20/2026 02 AM PDT           65.51            462         +      Not Applicable
  03/20/2026 03 AM PDT           65.51            462         0      Not Applicable
  03/20/2026 04 AM PDT           65.52            464         +      Not Applicable
  03/20/2026 05 AM PDT           65.52            464         0      Not Applicable
  03/20/2026 06 AM PDT           65.51            462         -      Not Applicable
  03/20/2026 07 AM PDT           65.50            460         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/20/2026 08 AM PDT           65.49            458                Not Applicable
  03/20/2026 09 AM PDT           65.48            456         -      Not Applicable
  03/20/2026 10 AM PDT           65.47            454         -      Not Applicable
  03/20/2026 11 AM PDT           65.47            454         0      Not Applicable
  03/20/2026 12 PM PDT           65.46            452         -      Not Applicable
  03/20/2026 01 PM PDT           65.45            450         -      Not Applicable
  03/20/2026 02 PM PDT           65.44            448         -      Not Applicable
  03/20/2026 03 PM PDT           65.43            446         -      Not Applicable
  03/20/2026 04 PM PDT           65.42            444         -      Not Applicable
  03/20/2026 05 PM PDT           65.41            442         -      Not Applicable
  03/20/2026 06 PM PDT           65.40            440         -      Not Applicable
  03/20/2026 07 PM PDT           65.40            440         0      Not Applicable
  03/20/2026 08 PM PDT           65.39            438         -      Not Applicable
  03/20/2026 09 PM PDT           65.38            436         -      Not Applicable
  03/20/2026 10 PM PDT           65.38            436         0      Not Applicable
  03/20/2026 11 PM PDT           65.37            434         -      Not Applicable
  03/21/2026 12 AM PDT           65.36            432         -      Not Applicable
  03/21/2026 01 AM PDT           65.35            430         -      Not Applicable
  03/21/2026 02 AM PDT           65.34            428         -      Not Applicable
  03/21/2026 03 AM PDT           65.33            426         -      Not Applicable
  03/21/2026 04 AM PDT           65.33            426         0      Not Applicable
  03/21/2026 05 AM PDT           65.31            422         -      Not Applicable
  03/21/2026 06 AM PDT           65.31            422         0      Not Applicable
  03/21/2026 07 AM PDT           65.30            420         -      Not Applicable
  03/21/2026 08 AM PDT           65.28            417         -      Not Applicable
  03/21/2026 09 AM PDT           65.27            415         -      Not Applicable
  03/21/2026 10 AM PDT           65.26            413         -      Not Applicable
  03/21/2026 11 AM PDT           65.25            411         -      Not Applicable
  03/21/2026 12 PM PDT           65.24            409         -      Not Applicable
  03/21/2026 01 PM PDT           65.23            407         -      Not Applicable
  03/21/2026 02 PM PDT           65.22            405         -      Not Applicable
  03/21/2026 03 PM PDT           65.21            403         -      Not Applicable
  03/21/2026 04 PM PDT           65.20            401         -      Not Applicable
  03/21/2026 05 PM PDT           65.19            400         -      Not Applicable
  03/21/2026 06 PM PDT           65.18            398         -      Not Applicable
  03/21/2026 07 PM PDT           65.17            396         -      Not Applicable
  03/21/2026 08 PM PDT           65.16            394         -      Not Applicable
  03/21/2026 09 PM PDT           65.16            394         0      Not Applicable
  03/21/2026 10 PM PDT           65.15            392         -      Not Applicable
  03/21/2026 11 PM PDT           65.14            390         -      Not Applicable
  03/22/2026 12 AM PDT           65.13            388         -      Not Applicable
  03/22/2026 01 AM PDT           65.12            387         -      Not Applicable
  03/22/2026 02 AM PDT           65.11            385         -      Not Applicable
  03/22/2026 03 AM PDT           65.10            383         -      Not Applicable
  03/22/2026 04 AM PDT           65.09            381         -      Not Applicable
  03/22/2026 05 AM PDT           65.09            381         0      Not Applicable
  03/22/2026 06 AM PDT           65.08            379         -      Not Applicable
  03/22/2026 07 AM PDT           65.07            378         -      Not Applicable
  03/22/2026 08 AM PDT           65.06            376         -      Not Applicable
  03/22/2026 09 AM PDT           65.05            374         -      Not Applicable
  03/22/2026 10 AM PDT           65.05            374         0      Not Applicable
  03/22/2026 11 AM PDT           65.04            372         -      Not Applicable
  03/22/2026 12 PM PDT           65.03            370         -      Not Applicable
  03/22/2026 01 PM PDT           65.03            370         0      Not Applicable
  03/22/2026 02 PM PDT           65.02            369         -      Not Applicable
  03/22/2026 03 PM PDT           65.01            367         -      Not Applicable
  03/22/2026 04 PM PDT           65.01            367         0      Not Applicable
  03/22/2026 05 PM PDT           65.00            365         -      Not Applicable
  03/22/2026 06 PM PDT           65.00            365         0      Not Applicable
  03/22/2026 07 PM PDT           64.99            363         -      Not Applicable
  03/22/2026 08 PM PDT           64.98            362         -      Not Applicable
  03/22/2026 09 PM PDT           64.97            360         -      Not Applicable
  03/22/2026 10 PM PDT           64.97            360         0      Not Applicable
  03/22/2026 11 PM PDT           64.97            360         0      Not Applicable
  03/23/2026 12 AM PDT           64.96            358         -      Not Applicable
  03/23/2026 01 AM PDT           64.96            358         0      Not Applicable
  03/23/2026 02 AM PDT           64.95            356         -      Not Applicable
  03/23/2026 03 AM PDT           64.94            355         -      Not Applicable
  03/23/2026 04 AM PDT           64.94            355         0      Not Applicable
  03/23/2026 05 AM PDT           64.93            353         -      Not Applicable
  03/23/2026 06 AM PDT           64.93            353         0      Not Applicable
  03/23/2026 07 AM PDT           64.92            351         -      Not Applicable
  03/23/2026 08 AM PDT           64.92            351         0      Not Applicable
  03/23/2026 09 AM PDT           64.92            351         0      Not Applicable
  03/23/2026 10 AM PDT           64.91            349         -      Not Applicable
  03/23/2026 11 AM PDT           64.91            349         0      Not Applicable
  03/23/2026 12 PM PDT           64.90            348         -      Not Applicable
  03/23/2026 01 PM PDT           64.90            348         0      Not Applicable
  03/23/2026 02 PM PDT           64.89            346         -      Not Applicable
  03/23/2026 03 PM PDT           64.89            346         0      Not Applicable
  03/23/2026 04 PM PDT           64.89            346         0      Not Applicable
  03/23/2026 05 PM PDT           64.88            344         -      Not Applicable
  03/23/2026 06 PM PDT           64.88            344         0      Not Applicable
  03/23/2026 07 PM PDT           64.88            344         0      Not Applicable
  03/23/2026 08 PM PDT           64.87            342         -      Not Applicable
  03/23/2026 09 PM PDT           64.87            342         0      Not Applicable
  03/23/2026 10 PM PDT           64.86            341         -      Not Applicable
  03/23/2026 11 PM PDT           64.86            341         0      Not Applicable
  03/24/2026 12 AM PDT           64.86            341         0      Not Applicable
  03/24/2026 01 AM PDT           64.86            341         0      Not Applicable
  03/24/2026 02 AM PDT           64.85            339         -      Not Applicable
  03/24/2026 03 AM PDT           64.85            339         0      Not Applicable
  03/24/2026 04 AM PDT           64.85            339         0      Not Applicable
  03/24/2026 05 AM PDT           64.84            337         -      Not Applicable
  03/24/2026 06 AM PDT           64.84            337         0      Not Applicable
  03/24/2026 07 AM PDT           64.84            337         0      Not Applicable
  03/24/2026 08 AM PDT           64.84            337         0      Not Applicable
  03/24/2026 09 AM PDT           64.83            336         -      Not Applicable
  03/24/2026 10 AM PDT           64.83            336         0      Not Applicable
  03/24/2026 11 AM PDT           64.83            336         0      Not Applicable
  03/24/2026 12 PM PDT           64.83            336         0      Not Applicable
  03/24/2026 01 PM PDT           64.82            334         -      Not Applicable
  03/24/2026 02 PM PDT           64.82            334         0      Not Applicable
  03/24/2026 03 PM PDT           64.82            334         0      Not Applicable
  03/24/2026 04 PM PDT           64.82            334         0      Not Applicable
  03/24/2026 05 PM PDT           64.82            334         0      Not Applicable
  03/24/2026 06 PM PDT           64.82            334         0      Not Applicable
  03/24/2026 07 PM PDT           64.81            332         -      Not Applicable
  03/24/2026 08 PM PDT           64.81            332         0      Not Applicable
  03/24/2026 09 PM PDT           64.81            332         0      Not Applicable
  03/24/2026 10 PM PDT           64.81            332         0      Not Applicable
  03/24/2026 11 PM PDT           64.81            332         0      Not Applicable
  03/25/2026 12 AM PDT           64.81            332         0      Not Applicable
  03/25/2026 01 AM PDT           64.80            331         -      Not Applicable
  03/25/2026 02 AM PDT           64.80            331         0      Not Applicable
  03/25/2026 03 AM PDT           64.80            331         0      Not Applicable
  03/25/2026 04 AM PDT           64.80            331         0      Not Applicable
  03/25/2026 05 AM PDT           64.80            331         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.