National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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MOKELUMNE RIVER - BENSON'S FERRY (THTC1)
Latitude: 38.26º NLongitude: 121.44º WElevation: 16 FeetForecast Type: Official Location
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: May 19 2026 at 8:24 AM PDTNext Issuance: May 20 2026 at 9:00 AM PDT
Action/Monitor: 12.0 FeetMinor Flood: 17.0 FeetModerate Flood: 19.0 FeetMajor Flood: 20.0 Feet
Please Note:

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mokelumne River - Benson\'s Ferry (THTC1)
#
# File Generation Time:  05/19/2026 at 08:24 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/16/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       6.47 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/20/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       6.35 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/14/2026 08 AM PDT            5.91                        Normal
  05/14/2026 09 AM PDT            5.82         -              Normal
  05/14/2026 10 AM PDT            5.70         -              Normal
  05/14/2026 11 AM PDT            5.55         -              Normal
  05/14/2026 12 PM PDT            5.39         -              Normal
  05/14/2026 01 PM PDT            5.22         -              Normal
  05/14/2026 02 PM PDT            5.09         -              Normal
  05/14/2026 03 PM PDT            5.09         0              Normal
  05/14/2026 04 PM PDT            5.22         +              Normal
  05/14/2026 05 PM PDT            5.40         +              Normal
  05/14/2026 06 PM PDT            5.58         +              Normal
  05/14/2026 07 PM PDT            5.69         +              Normal
  05/14/2026 08 PM PDT            5.69         0              Normal
  05/14/2026 09 PM PDT            5.65         -              Normal
  05/14/2026 10 PM PDT            5.56         -              Normal
  05/14/2026 11 PM PDT            5.48         -              Normal
  05/15/2026 12 AM PDT            5.38         -              Normal
  05/15/2026 01 AM PDT            5.37         -              Normal
  05/15/2026 02 AM PDT            5.51         +              Normal
  05/15/2026 03 AM PDT            5.70         +              Normal
  05/15/2026 04 AM PDT            5.96         +              Normal
  05/15/2026 05 AM PDT            6.20         +              Normal
  05/15/2026 06 AM PDT            6.37         +              Normal
  05/15/2026 07 AM PDT            6.40         +              Normal
  05/15/2026 08 AM PDT            6.36         -              Normal
  05/15/2026 09 AM PDT            6.27         -              Normal
  05/15/2026 10 AM PDT            6.16         -              Normal
  05/15/2026 11 AM PDT            6.00         -              Normal
  05/15/2026 12 PM PDT            5.82         -              Normal
  05/15/2026 01 PM PDT            5.61         -              Normal
  05/15/2026 02 PM PDT            5.40         -              Normal
  05/15/2026 03 PM PDT            5.24         -              Normal
  05/15/2026 04 PM PDT            5.17         -              Normal
  05/15/2026 05 PM PDT            5.24         +              Normal
  05/15/2026 06 PM PDT            5.40         +              Normal
  05/15/2026 07 PM PDT            5.55         +              Normal
  05/15/2026 08 PM PDT            5.66         +              Normal
  05/15/2026 09 PM PDT            5.66         0              Normal
  05/15/2026 10 PM PDT            5.60         -              Normal
  05/15/2026 11 PM PDT            5.51         -              Normal
  05/16/2026 12 AM PDT            5.39         -              Normal
  05/16/2026 01 AM PDT            5.31         -              Normal
  05/16/2026 02 AM PDT            5.35         +              Normal
  05/16/2026 03 AM PDT            5.56         +              Normal
  05/16/2026 04 AM PDT            5.82         +              Normal
  05/16/2026 05 AM PDT            6.09         +              Normal
  05/16/2026 06 AM PDT            6.33         +              Normal
  05/16/2026 07 AM PDT            6.47         +              Normal
  05/16/2026 08 AM PDT            6.45         -              Normal
  05/16/2026 09 AM PDT            6.38         -              Normal
  05/16/2026 10 AM PDT            6.26         -              Normal
  05/16/2026 11 AM PDT            6.12         -              Normal
  05/16/2026 12 PM PDT            5.94         -              Normal
  05/16/2026 01 PM PDT            5.72         -              Normal
  05/16/2026 02 PM PDT            5.48         -              Normal
  05/16/2026 03 PM PDT            5.25         -              Normal
  05/16/2026 04 PM PDT            5.05         -              Normal
  05/16/2026 05 PM PDT            4.96         -              Normal
  05/16/2026 06 PM PDT            5.03         +              Normal
  05/16/2026 07 PM PDT            5.19         +              Normal
  05/16/2026 08 PM PDT            5.37         +              Normal
  05/16/2026 09 PM PDT            5.49         +              Normal
  05/16/2026 10 PM PDT            5.49         0              Normal
  05/16/2026 11 PM PDT            5.43         -              Normal
  05/17/2026 12 AM PDT            5.32         -              Normal
  05/17/2026 01 AM PDT            5.20         -              Normal
  05/17/2026 02 AM PDT            5.16         -              Normal
  05/17/2026 03 AM PDT            5.31         +              Normal
  05/17/2026 04 AM PDT            5.55         +              Normal
  05/17/2026 05 AM PDT            5.84         +              Normal
  05/17/2026 06 AM PDT            6.12         +              Normal
  05/17/2026 07 AM PDT            6.34         +              Normal
  05/17/2026 08 AM PDT            6.40         +              Normal
  05/17/2026 09 AM PDT            6.32         -              Normal
  05/17/2026 10 AM PDT            6.19         -              Normal
  05/17/2026 11 AM PDT            6.01         -              Normal
  05/17/2026 12 PM PDT            5.80         -              Normal
  05/17/2026 01 PM PDT            5.55         -              Normal
  05/17/2026 02 PM PDT            5.25         -              Normal
  05/17/2026 03 PM PDT            4.93         -              Normal
  05/17/2026 04 PM PDT            4.64         -              Normal
  05/17/2026 05 PM PDT            4.42         -              Normal
  05/17/2026 06 PM PDT            4.37         -              Normal
  05/17/2026 07 PM PDT            4.50         +              Normal
  05/17/2026 08 PM PDT            4.71         +              Normal
  05/17/2026 09 PM PDT            4.92         +              Normal
  05/17/2026 10 PM PDT            4.99         +              Normal
  05/17/2026 11 PM PDT            4.94         -              Normal
  05/18/2026 12 AM PDT            4.85         -              Normal
  05/18/2026 01 AM PDT            4.70         -              Normal
  05/18/2026 02 AM PDT            4.57         -              Normal
  05/18/2026 03 AM PDT            4.57         0              Normal
  05/18/2026 04 AM PDT            4.82         +              Normal
  05/18/2026 05 AM PDT            5.16         +              Normal
  05/18/2026 06 AM PDT            5.50         +              Normal
  05/18/2026 07 AM PDT            5.79         +              Normal
  05/18/2026 08 AM PDT            6.00         +              Normal
  05/18/2026 09 AM PDT            6.01         +              Normal
  05/18/2026 10 AM PDT            5.90         -              Normal
  05/18/2026 11 AM PDT            5.72         -              Normal
  05/18/2026 12 PM PDT            5.50         -              Normal
  05/18/2026 01 PM PDT            5.25         -              Normal
  05/18/2026 02 PM PDT            4.96         -              Normal
  05/18/2026 03 PM PDT            4.67         -              Normal
  05/18/2026 04 PM PDT            4.35         -              Normal
  05/18/2026 05 PM PDT            4.05         -              Normal
  05/18/2026 06 PM PDT            3.87         -              Normal
  05/18/2026 07 PM PDT            3.91         +              Normal
  05/18/2026 08 PM PDT            4.17         +              Normal
  05/18/2026 09 PM PDT            4.46         +              Normal
  05/18/2026 10 PM PDT            4.72         +              Normal
  05/18/2026 11 PM PDT            4.88         +              Normal
  05/19/2026 12 AM PDT            4.88         0              Normal
  05/19/2026 01 AM PDT            4.80         -              Normal
  05/19/2026 02 AM PDT            4.69         -              Normal
  05/19/2026 03 AM PDT            4.62         -              Normal
  05/19/2026 04 AM PDT            4.74         +              Normal
  05/19/2026 05 AM PDT            5.06         +              Normal
  05/19/2026 06 AM PDT            5.42         +              Normal
  05/19/2026 07 AM PDT            5.89         +              Normal
  05/19/2026 08 AM PDT            6.15         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/19/2026 09 AM PDT            6.19                        Normal
  05/19/2026 10 AM PDT            6.11         -              Normal
  05/19/2026 11 AM PDT            5.91         -              Normal
  05/19/2026 12 PM PDT            5.68         -              Normal
  05/19/2026 01 PM PDT            5.31         -              Normal
  05/19/2026 02 PM PDT            4.89         -              Normal
  05/19/2026 03 PM PDT            3.83         -              Normal
  05/19/2026 04 PM PDT            3.58         -              Normal
  05/19/2026 05 PM PDT            3.60         +              Normal
  05/19/2026 06 PM PDT            3.61         +              Normal
  05/19/2026 07 PM PDT            3.90         +              Normal
  05/19/2026 08 PM PDT            5.11         +              Normal
  05/19/2026 09 PM PDT            5.52         +              Normal
  05/19/2026 10 PM PDT            5.80         +              Normal
  05/19/2026 11 PM PDT            5.90         +              Normal
  05/20/2026 12 AM PDT            5.84         -              Normal
  05/20/2026 01 AM PDT            5.68         -              Normal
  05/20/2026 02 AM PDT            5.48         -              Normal
  05/20/2026 03 AM PDT            5.33         -              Normal
  05/20/2026 04 AM PDT            5.26         -              Normal
  05/20/2026 05 AM PDT            5.37         +              Normal
  05/20/2026 06 AM PDT            5.66         +              Normal
  05/20/2026 07 AM PDT            6.02         +              Normal
  05/20/2026 08 AM PDT            6.29         +              Normal
  05/20/2026 09 AM PDT            6.35         +              Normal
  05/20/2026 10 AM PDT            6.31         -              Normal
  05/20/2026 11 AM PDT            6.13         -              Normal
  05/20/2026 12 PM PDT            5.79         -              Normal
  05/20/2026 01 PM PDT            5.39         -              Normal
  05/20/2026 02 PM PDT            4.90         -              Normal
  05/20/2026 03 PM PDT            4.51         -              Normal
  05/20/2026 04 PM PDT            3.66         -              Normal
  05/20/2026 05 PM PDT            3.49         -              Normal
  05/20/2026 06 PM PDT            3.59         +              Normal
  05/20/2026 07 PM PDT            4.47         +              Normal
  05/20/2026 08 PM PDT            4.85         +              Normal
  05/20/2026 09 PM PDT            5.29         +              Normal
  05/20/2026 10 PM PDT            5.59         +              Normal
  05/20/2026 11 PM PDT            5.81         +              Normal
  05/21/2026 12 AM PDT            5.88         +              Normal
  05/21/2026 01 AM PDT            5.82         -              Normal
  05/21/2026 02 AM PDT            5.64         -              Normal
  05/21/2026 03 AM PDT            5.42         -              Normal
  05/21/2026 04 AM PDT            5.25         -              Normal
  05/21/2026 05 AM PDT            5.16         -              Normal
  05/21/2026 06 AM PDT            5.28         +              Normal
  05/21/2026 07 AM PDT            5.54         +              Normal
  05/21/2026 08 AM PDT            5.86         +              Normal
  05/21/2026 09 AM PDT            6.14         +              Normal
  05/21/2026 10 AM PDT            6.25         +              Normal
  05/21/2026 11 AM PDT            6.17         -              Normal
  05/21/2026 12 PM PDT            5.94         -              Normal
  05/21/2026 01 PM PDT            5.64         -              Normal
  05/21/2026 02 PM PDT            5.28         -              Normal
  05/21/2026 03 PM PDT            4.81         -              Normal
  05/21/2026 04 PM PDT            4.44         -              Normal
  05/21/2026 05 PM PDT            4.12         -              Normal
  05/21/2026 06 PM PDT            3.67         -              Normal
  05/21/2026 07 PM PDT            4.17         +              Normal
  05/21/2026 08 PM PDT            4.60         +              Normal
  05/21/2026 09 PM PDT            5.05         +              Normal
  05/21/2026 10 PM PDT            5.49         +              Normal
  05/21/2026 11 PM PDT            5.78         +              Normal
  05/22/2026 12 AM PDT            5.88         +              Normal
  05/22/2026 01 AM PDT            5.83         -              Normal
  05/22/2026 02 AM PDT            5.68         -              Normal
  05/22/2026 03 AM PDT            5.47         -              Normal
  05/22/2026 04 AM PDT            5.28         -              Normal
  05/22/2026 05 AM PDT            5.09         -              Normal
  05/22/2026 06 AM PDT            5.02         -              Normal
  05/22/2026 07 AM PDT            5.14         +              Normal
  05/22/2026 08 AM PDT            5.39         +              Normal
  05/22/2026 09 AM PDT            5.69         +              Normal
  05/22/2026 10 AM PDT            5.92         +              Normal
  05/22/2026 11 AM PDT            6.01         +              Normal
  05/22/2026 12 PM PDT            5.94         -              Normal
  05/22/2026 01 PM PDT            5.76         -              Normal
  05/22/2026 02 PM PDT            5.48         -              Normal
  05/22/2026 03 PM PDT            5.14         -              Normal
  05/22/2026 04 PM PDT            4.74         -              Normal
  05/22/2026 05 PM PDT            4.40         -              Normal
  05/22/2026 06 PM PDT            4.12         -              Normal
  05/22/2026 07 PM PDT            3.90         -              Normal
  05/22/2026 08 PM PDT            4.15         +              Normal
  05/22/2026 09 PM PDT            4.60         +              Normal
  05/22/2026 10 PM PDT            5.07         +              Normal
  05/22/2026 11 PM PDT            5.51         +              Normal
  05/23/2026 12 AM PDT            5.80         +              Normal
  05/23/2026 01 AM PDT            5.91         +              Normal
  05/23/2026 02 AM PDT            5.84         -              Normal
  05/23/2026 03 AM PDT            5.67         -              Normal
  05/23/2026 04 AM PDT            5.42         -              Normal
  05/23/2026 05 AM PDT            5.16         -              Normal
  05/23/2026 06 AM PDT            4.91         -              Normal
  05/23/2026 07 AM PDT            4.82         -              Normal
  05/23/2026 08 AM PDT            4.94         +              Normal
  05/23/2026 09 AM PDT            5.24         +              Normal
  05/23/2026 10 AM PDT            5.50         +              Normal
  05/23/2026 11 AM PDT            5.73         +              Normal
  05/23/2026 12 PM PDT            5.81         +              Normal
  05/23/2026 01 PM PDT            5.75         -              Normal
  05/23/2026 02 PM PDT            5.59         -              Normal
  05/23/2026 03 PM PDT            5.35         -              Normal
  05/23/2026 04 PM PDT            5.02         -              Normal
  05/23/2026 05 PM PDT            4.68         -              Normal
  05/23/2026 06 PM PDT            4.38         -              Normal
  05/23/2026 07 PM PDT            4.10         -              Normal
  05/23/2026 08 PM PDT            4.04         -              Normal
  05/23/2026 09 PM PDT            4.17         +              Normal
  05/23/2026 10 PM PDT            4.62         +              Normal
  05/23/2026 11 PM PDT            5.12         +              Normal
  05/24/2026 12 AM PDT            5.55         +              Normal
  05/24/2026 01 AM PDT            5.84         +              Normal
  05/24/2026 02 AM PDT            5.96         +              Normal
  05/24/2026 03 AM PDT            5.89         -              Normal
  05/24/2026 04 AM PDT            5.73         -              Normal
  05/24/2026 05 AM PDT            5.49         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.