TUOLUMNE RIVER - MODESTO (MDSC1)
Latitude: 37.63º NLongitude: 120.99º WElevation: 60 FeetForecast Type: Official Location
Location: Stanislaus County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 01 2026 at 7:18 AM PDTNext Issuance: Jul 02 2026 at 9:00 AM PDT
Action/Monitor: 50.5 FeetMinor Flood: 55.0 FeetModerate Flood: 66.0 FeetMajor Flood: 67.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Tuolumne River - Modesto (MDSC1)
#
# File Generation Time:  07/01/2026 at 07:18 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/28/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       36.35 Feet
# Maximum Observed Flow:                        93 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/04/2026 at 02:00 AM PDT
# Maximum Forecast Stage:                       36.59 Feet
# Maximum Forecast Flow:                        138 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/26/2026 07 AM PDT           36.07             48                        Normal
  06/26/2026 08 AM PDT           36.06             46         -              Normal
  06/26/2026 09 AM PDT           36.06             46         0              Normal
  06/26/2026 10 AM PDT           36.06             46         0              Normal
  06/26/2026 11 AM PDT           36.08             49         +              Normal
  06/26/2026 12 PM PDT           36.10             52         +              Normal
  06/26/2026 01 PM PDT           36.12             55         +              Normal
  06/26/2026 02 PM PDT           36.14             58         +              Normal
  06/26/2026 03 PM PDT           36.15             60         +              Normal
  06/26/2026 04 PM PDT           36.15             60         0              Normal
  06/26/2026 05 PM PDT           36.14             58         -              Normal
  06/26/2026 06 PM PDT           36.14             58         0              Normal
  06/26/2026 07 PM PDT           36.13             57         -              Normal
  06/26/2026 08 PM PDT           36.13             57         0              Normal
  06/26/2026 09 PM PDT           36.14             58         +              Normal
  06/26/2026 10 PM PDT           36.15             60         +              Normal
  06/26/2026 11 PM PDT           36.15             60         0              Normal
  06/27/2026 12 AM PDT           36.15             60         0              Normal
  06/27/2026 01 AM PDT           36.17             63         +              Normal
  06/27/2026 02 AM PDT           36.19             66         +              Normal
  06/27/2026 03 AM PDT           36.21             69         +              Normal
  06/27/2026 04 AM PDT           36.22             71         +              Normal
  06/27/2026 05 AM PDT           36.23             72         +              Normal
  06/27/2026 06 AM PDT           36.24             74         +              Normal
  06/27/2026 07 AM PDT           36.25             76         +              Normal
  06/27/2026 08 AM PDT           36.25             76         0              Normal
  06/27/2026 09 AM PDT           36.25             76         0              Normal
  06/27/2026 10 AM PDT           36.23             72         -              Normal
  06/27/2026 11 AM PDT           36.21             69         -              Normal
  06/27/2026 12 PM PDT           36.19             66         -              Normal
  06/27/2026 01 PM PDT           36.18             64         -              Normal
  06/27/2026 02 PM PDT           36.16             61         -              Normal
  06/27/2026 03 PM PDT           36.16             61         0              Normal
  06/27/2026 04 PM PDT           36.18             64         +              Normal
  06/27/2026 05 PM PDT           36.18             64         0              Normal
  06/27/2026 06 PM PDT           36.17             63         -              Normal
  06/27/2026 07 PM PDT           36.18             64         +              Normal
  06/27/2026 08 PM PDT           36.19             66         +              Normal
  06/27/2026 09 PM PDT           36.22             71         +              Normal
  06/27/2026 10 PM PDT           36.24             74         +              Normal
  06/27/2026 11 PM PDT           36.28             81         +              Normal
  06/28/2026 12 AM PDT           36.32             88         +              Normal
  06/28/2026 01 AM PDT           36.34             91         +              Normal
  06/28/2026 02 AM PDT           36.35             93         +              Normal
  06/28/2026 03 AM PDT           36.34             91         -              Normal
  06/28/2026 04 AM PDT           36.33             89         -              Normal
  06/28/2026 05 AM PDT           36.31             86         -              Normal
  06/28/2026 06 AM PDT           36.29             83         -              Normal
  06/28/2026 07 AM PDT           36.27             79         -              Normal
  06/28/2026 08 AM PDT           36.25             76         -              Normal
  06/28/2026 09 AM PDT           36.25             76         0              Normal
  06/28/2026 10 AM PDT           36.24             74         -              Normal
  06/28/2026 11 AM PDT           36.24             74         0              Normal
  06/28/2026 12 PM PDT           36.25             76         +              Normal
  06/28/2026 01 PM PDT           36.26             77         +              Normal
  06/28/2026 02 PM PDT           36.26             77         0              Normal
  06/28/2026 03 PM PDT           36.26             77         0              Normal
  06/28/2026 04 PM PDT           36.28             81         +              Normal
  06/28/2026 05 PM PDT           36.28             81         0              Normal
  06/28/2026 06 PM PDT           36.29             83         +              Normal
  06/28/2026 07 PM PDT           36.30             84         +              Normal
  06/28/2026 08 PM PDT           36.30             84         0              Normal
  06/28/2026 09 PM PDT           36.30             84         0              Normal
  06/28/2026 10 PM PDT           36.29             83         -              Normal
  06/28/2026 11 PM PDT           36.29             83         0              Normal
  06/29/2026 12 AM PDT           36.28             81         -              Normal
  06/29/2026 01 AM PDT           36.28             81         0              Normal
  06/29/2026 02 AM PDT           36.28             81         0              Normal
  06/29/2026 03 AM PDT           36.27             79         -              Normal
  06/29/2026 04 AM PDT           36.27             79         0              Normal
  06/29/2026 05 AM PDT           36.26             77         -              Normal
  06/29/2026 06 AM PDT           36.27             79         +              Normal
  06/29/2026 07 AM PDT           36.28             81         +              Normal
  06/29/2026 08 AM PDT           36.29             83         +              Normal
  06/29/2026 09 AM PDT           36.30             84         +              Normal
  06/29/2026 10 AM PDT           36.30             84         0              Normal
  06/29/2026 11 AM PDT           36.29             83         -              Normal
  06/29/2026 12 PM PDT           36.28             81         -              Normal
  06/29/2026 01 PM PDT           36.27             79         -              Normal
  06/29/2026 02 PM PDT           36.26             77         -              Normal
  06/29/2026 03 PM PDT           36.25             76         -              Normal
  06/29/2026 04 PM PDT           36.24             74         -              Normal
  06/29/2026 05 PM PDT           36.23             72         -              Normal
  06/29/2026 06 PM PDT           36.23             72         0              Normal
  06/29/2026 07 PM PDT           36.23             72         0              Normal
  06/29/2026 08 PM PDT           36.22             71         -              Normal
  06/29/2026 09 PM PDT           36.22             71         0              Normal
  06/29/2026 10 PM PDT           36.22             71         0              Normal
  06/29/2026 11 PM PDT           36.21             69         -              Normal
  06/30/2026 12 AM PDT           36.21             69         0              Normal
  06/30/2026 01 AM PDT           36.21             69         0              Normal
  06/30/2026 02 AM PDT           36.21             69         0              Normal
  06/30/2026 03 AM PDT           36.21             69         0              Normal
  06/30/2026 04 AM PDT           36.22             71         +              Normal
  06/30/2026 05 AM PDT           36.22             71         0              Normal
  06/30/2026 06 AM PDT           36.24             74         +              Normal
  06/30/2026 07 AM PDT           36.27             79         +              Normal
  06/30/2026 08 AM PDT           36.28             81         +              Normal
  06/30/2026 09 AM PDT           36.28             81         0              Normal
  06/30/2026 10 AM PDT           36.26             77         -              Normal
  06/30/2026 11 AM PDT           36.24             74         -              Normal
  06/30/2026 12 PM PDT           36.22             71         -              Normal
  06/30/2026 01 PM PDT           36.19             66         -              Normal
  06/30/2026 02 PM PDT           36.17             63         -              Normal
  06/30/2026 03 PM PDT           36.16             61         -              Normal
  06/30/2026 04 PM PDT           36.15             60         -              Normal
  06/30/2026 05 PM PDT           36.14             58         -              Normal
  06/30/2026 06 PM PDT           36.14             58         0              Normal
  06/30/2026 07 PM PDT           36.15             60         +              Normal
  06/30/2026 08 PM PDT           36.16             61         +              Normal
  06/30/2026 09 PM PDT           36.17             63         +              Normal
  06/30/2026 10 PM PDT           36.19             66         +              Normal
  06/30/2026 11 PM PDT           36.21             69         +              Normal
  07/01/2026 12 AM PDT           36.22             71         +              Normal
  07/01/2026 01 AM PDT           36.24             74         +              Normal
  07/01/2026 02 AM PDT           36.26             77         +              Normal
  07/01/2026 03 AM PDT           36.27             79         +              Normal
  07/01/2026 04 AM PDT           36.28             81         +              Normal
  07/01/2026 05 AM PDT           36.29             83         +              Normal
  07/01/2026 06 AM PDT           36.29             83         0              Normal
  07/01/2026 07 AM PDT           36.29             83         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/01/2026 08 AM PDT           36.29             83                        Normal
  07/01/2026 09 AM PDT           36.29             83         0              Normal
  07/01/2026 10 AM PDT           36.29             83         0              Normal
  07/01/2026 11 AM PDT           36.29             83         0              Normal
  07/01/2026 12 PM PDT           36.29             83         0              Normal
  07/01/2026 01 PM PDT           36.29             83         0              Normal
  07/01/2026 02 PM PDT           36.29             83         0              Normal
  07/01/2026 03 PM PDT           36.29             83         0              Normal
  07/01/2026 04 PM PDT           36.29             83         0              Normal
  07/01/2026 05 PM PDT           36.29             83         0              Normal
  07/01/2026 06 PM PDT           36.30             84         +              Normal
  07/01/2026 07 PM PDT           36.31             86         +              Normal
  07/01/2026 08 PM PDT           36.34             91         +              Normal
  07/01/2026 09 PM PDT           36.37             96         +              Normal
  07/01/2026 10 PM PDT           36.40            102         +              Normal
  07/01/2026 11 PM PDT           36.42            105         +              Normal
  07/02/2026 12 AM PDT           36.43            107         +              Normal
  07/02/2026 01 AM PDT           36.45            111         +              Normal
  07/02/2026 02 AM PDT           36.46            113         +              Normal
  07/02/2026 03 AM PDT           36.48            117         +              Normal
  07/02/2026 04 AM PDT           36.49            118         +              Normal
  07/02/2026 05 AM PDT           36.50            120         +              Normal
  07/02/2026 06 AM PDT           36.51            122         +              Normal
  07/02/2026 07 AM PDT           36.51            122         0              Normal
  07/02/2026 08 AM PDT           36.52            124         +              Normal
  07/02/2026 09 AM PDT           36.53            126         +              Normal
  07/02/2026 10 AM PDT           36.53            126         0              Normal
  07/02/2026 11 AM PDT           36.54            128         +              Normal
  07/02/2026 12 PM PDT           36.54            128         0              Normal
  07/02/2026 01 PM PDT           36.55            130         +              Normal
  07/02/2026 02 PM PDT           36.55            130         0              Normal
  07/02/2026 03 PM PDT           36.55            130         0              Normal
  07/02/2026 04 PM PDT           36.56            132         +              Normal
  07/02/2026 05 PM PDT           36.56            132         0              Normal
  07/02/2026 06 PM PDT           36.56            132         0              Normal
  07/02/2026 07 PM PDT           36.56            132         0              Normal
  07/02/2026 08 PM PDT           36.56            132         0              Normal
  07/02/2026 09 PM PDT           36.57            134         +              Normal
  07/02/2026 10 PM PDT           36.57            134         0              Normal
  07/02/2026 11 PM PDT           36.57            134         0              Normal
  07/03/2026 12 AM PDT           36.57            134         0              Normal
  07/03/2026 01 AM PDT           36.57            134         0              Normal
  07/03/2026 02 AM PDT           36.57            134         0              Normal
  07/03/2026 03 AM PDT           36.58            136         +              Normal
  07/03/2026 04 AM PDT           36.58            136         0              Normal
  07/03/2026 05 AM PDT           36.58            136         0              Normal
  07/03/2026 06 AM PDT           36.58            136         0              Normal
  07/03/2026 07 AM PDT           36.58            136         0              Normal
  07/03/2026 08 AM PDT           36.58            136         0              Normal
  07/03/2026 09 AM PDT           36.58            136         0              Normal
  07/03/2026 10 AM PDT           36.58            136         0              Normal
  07/03/2026 11 AM PDT           36.58            136         0              Normal
  07/03/2026 12 PM PDT           36.58            136         0              Normal
  07/03/2026 01 PM PDT           36.58            136         0              Normal
  07/03/2026 02 PM PDT           36.58            136         0              Normal
  07/03/2026 03 PM PDT           36.58            136         0              Normal
  07/03/2026 04 PM PDT           36.58            136         0              Normal
  07/03/2026 05 PM PDT           36.58            136         0              Normal
  07/03/2026 06 PM PDT           36.58            136         0              Normal
  07/03/2026 07 PM PDT           36.58            136         0              Normal
  07/03/2026 08 PM PDT           36.58            136         0              Normal
  07/03/2026 09 PM PDT           36.58            136         0              Normal
  07/03/2026 10 PM PDT           36.58            136         0              Normal
  07/03/2026 11 PM PDT           36.58            136         0              Normal
  07/04/2026 12 AM PDT           36.58            136         0              Normal
  07/04/2026 01 AM PDT           36.58            136         0              Normal
  07/04/2026 02 AM PDT           36.59            138         +              Normal
  07/04/2026 03 AM PDT           36.59            138         0              Normal
  07/04/2026 04 AM PDT           36.59            138         0              Normal
  07/04/2026 05 AM PDT           36.59            138         0              Normal
  07/04/2026 06 AM PDT           36.59            138         0              Normal
  07/04/2026 07 AM PDT           36.59            138         0              Normal
  07/04/2026 08 AM PDT           36.59            138         0              Normal
  07/04/2026 09 AM PDT           36.59            138         0              Normal
  07/04/2026 10 AM PDT           36.59            138         0              Normal
  07/04/2026 11 AM PDT           36.59            138         0              Normal
  07/04/2026 12 PM PDT           36.59            138         0              Normal
  07/04/2026 01 PM PDT           36.59            138         0              Normal
  07/04/2026 02 PM PDT           36.59            138         0              Normal
  07/04/2026 03 PM PDT           36.59            138         0              Normal
  07/04/2026 04 PM PDT           36.59            138         0              Normal
  07/04/2026 05 PM PDT           36.59            138         0              Normal
  07/04/2026 06 PM PDT           36.59            138         0              Normal
  07/04/2026 07 PM PDT           36.59            138         0              Normal
  07/04/2026 08 PM PDT           36.59            138         0              Normal
  07/04/2026 09 PM PDT           36.59            138         0              Normal
  07/04/2026 10 PM PDT           36.59            138         0              Normal
  07/04/2026 11 PM PDT           36.59            138         0              Normal
  07/05/2026 12 AM PDT           36.59            138         0              Normal
  07/05/2026 01 AM PDT           36.59            138         0              Normal
  07/05/2026 02 AM PDT           36.59            138         0              Normal
  07/05/2026 03 AM PDT           36.59            138         0              Normal
  07/05/2026 04 AM PDT           36.59            138         0              Normal
  07/05/2026 05 AM PDT           36.59            138         0              Normal
  07/05/2026 06 AM PDT           36.59            138         0              Normal
  07/05/2026 07 AM PDT           36.59            138         0              Normal
  07/05/2026 08 AM PDT           36.59            138         0              Normal
  07/05/2026 09 AM PDT           36.59            138         0              Normal
  07/05/2026 10 AM PDT           36.59            138         0              Normal
  07/05/2026 11 AM PDT           36.59            138         0              Normal
  07/05/2026 12 PM PDT           36.59            138         0              Normal
  07/05/2026 01 PM PDT           36.59            138         0              Normal
  07/05/2026 02 PM PDT           36.59            138         0              Normal
  07/05/2026 03 PM PDT           36.59            138         0              Normal
  07/05/2026 04 PM PDT           36.59            138         0              Normal
  07/05/2026 05 PM PDT           36.59            138         0              Normal
  07/05/2026 06 PM PDT           36.59            138         0              Normal
  07/05/2026 07 PM PDT           36.59            138         0              Normal
  07/05/2026 08 PM PDT           36.59            138         0              Normal
  07/05/2026 09 PM PDT           36.59            138         0              Normal
  07/05/2026 10 PM PDT           36.59            138         0              Normal
  07/05/2026 11 PM PDT           36.59            138         0              Normal
  07/06/2026 12 AM PDT           36.59            138         0              Normal
  07/06/2026 01 AM PDT           36.59            138         0              Normal
  07/06/2026 02 AM PDT           36.59            138         0              Normal
  07/06/2026 03 AM PDT           36.59            138         0              Normal
  07/06/2026 04 AM PDT           36.59            138         0              Normal
  07/06/2026 05 AM PDT           36.59            138         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.