COSUMNES RIVER - MCCONNELL (MCNC1)
Latitude: 38.36º NLongitude: 121.34º WElevation: 5 Feet
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: May 08 2025 at 8:12 AM PDTNext Issuance: May 09 2025 at 9:00 AM PDT
Action/Monitor: 38.5 FeetMinor Flood: 44.5 FeetModerate Flood: 53.4 FeetMajor Flood: 53.5 Feet

SPECIAL NOTE:On June 20, 2023, the datum was changed from USED to NAVD88 (+2.46 feet). As a result the monitor stage was updated to 38.5 ft and flood stage was updated to 44.5 ft.

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cosumnes River - McConnell (MCNC1)
#
# File Generation Time:  05/08/2025 at 08:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/06/2025 at 01:00 AM PDT
# Maximum Observed Stage:                       28.23 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/08/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       27.93 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/03/2025 08 AM PDT           28.21                        Normal
  05/03/2025 09 AM PDT           28.20         -              Normal
  05/03/2025 10 AM PDT           28.18         -              Normal
  05/03/2025 11 AM PDT           28.18         0              Normal
  05/03/2025 12 PM PDT           28.16         -              Normal
  05/03/2025 01 PM PDT           28.16         0              Normal
  05/03/2025 02 PM PDT           28.15         -              Normal
  05/03/2025 03 PM PDT           28.14         -              Normal
  05/03/2025 04 PM PDT           28.13         -              Normal
  05/03/2025 05 PM PDT           28.12         -              Normal
  05/03/2025 06 PM PDT           28.11         -              Normal
  05/03/2025 07 PM PDT           28.10         -              Normal
  05/03/2025 08 PM PDT           28.09         -              Normal
  05/03/2025 09 PM PDT           28.09         0              Normal
  05/03/2025 10 PM PDT           28.09         0              Normal
  05/03/2025 11 PM PDT           28.10         +              Normal
  05/04/2025 12 AM PDT           28.12         +              Normal
  05/04/2025 01 AM PDT           28.14         +              Normal
  05/04/2025 02 AM PDT           28.17         +              Normal
  05/04/2025 03 AM PDT           28.19         +              Normal
  05/04/2025 04 AM PDT           28.21         +              Normal
  05/04/2025 05 AM PDT           28.22         +              Normal
  05/04/2025 06 AM PDT           28.22         0              Normal
  05/04/2025 07 AM PDT           28.21         -              Normal
  05/04/2025 08 AM PDT           28.21         0              Normal
  05/04/2025 09 AM PDT           28.20         -              Normal
  05/04/2025 10 AM PDT           28.19         -              Normal
  05/04/2025 11 AM PDT           28.18         -              Normal
  05/04/2025 12 PM PDT           28.17         -              Normal
  05/04/2025 01 PM PDT           28.16         -              Normal
  05/04/2025 02 PM PDT           28.14         -              Normal
  05/04/2025 03 PM PDT           28.13         -              Normal
  05/04/2025 04 PM PDT           28.12         -              Normal
  05/04/2025 05 PM PDT           28.10         -              Normal
  05/04/2025 06 PM PDT           28.09         -              Normal
  05/04/2025 07 PM PDT           28.08         -              Normal
  05/04/2025 08 PM PDT           28.07         -              Normal
  05/04/2025 09 PM PDT           28.07         0              Normal
  05/04/2025 10 PM PDT           28.08         +              Normal
  05/04/2025 11 PM PDT           28.06         -              Normal
  05/05/2025 12 AM PDT           28.07         +              Normal
  05/05/2025 01 AM PDT           28.10         +              Normal
  05/05/2025 02 AM PDT           28.10         0              Normal
  05/05/2025 03 AM PDT           28.11         +              Normal
  05/05/2025 04 AM PDT           28.13         +              Normal
  05/05/2025 05 AM PDT           28.14         +              Normal
  05/05/2025 06 AM PDT           28.14         0              Normal
  05/05/2025 07 AM PDT           28.13         -              Normal
  05/05/2025 08 AM PDT           28.14         +              Normal
  05/05/2025 09 AM PDT           28.13         -              Normal
  05/05/2025 10 AM PDT           28.11         -              Normal
  05/05/2025 11 AM PDT           28.12         +              Normal
  05/05/2025 12 PM PDT           28.11         -              Normal
  05/05/2025 01 PM PDT           28.10         -              Normal
  05/05/2025 02 PM PDT           28.10         0              Normal
  05/05/2025 03 PM PDT           28.10         0              Normal
  05/05/2025 04 PM PDT           28.09         -              Normal
  05/05/2025 05 PM PDT           28.09         0              Normal
  05/05/2025 06 PM PDT           28.11         +              Normal
  05/05/2025 07 PM PDT           28.11         0              Normal
  05/05/2025 08 PM PDT           28.14         +              Normal
  05/05/2025 09 PM PDT           28.18         +              Normal
  05/05/2025 10 PM PDT           28.21         +              Normal
  05/05/2025 11 PM PDT           28.22         +              Normal
  05/06/2025 12 AM PDT           28.23         +              Normal
  05/06/2025 01 AM PDT           28.23         0              Normal
  05/06/2025 02 AM PDT           28.22         -              Normal
  05/06/2025 03 AM PDT           28.22         0              Normal
  05/06/2025 04 AM PDT           28.21         -              Normal
  05/06/2025 05 AM PDT           28.20         -              Normal
  05/06/2025 06 AM PDT           28.19         -              Normal
  05/06/2025 07 AM PDT           28.18         -              Normal
  05/06/2025 08 AM PDT           28.16         -              Normal
  05/06/2025 09 AM PDT           28.15         -              Normal
  05/06/2025 10 AM PDT           28.13         -              Normal
  05/06/2025 11 AM PDT           28.13         0              Normal
  05/06/2025 12 PM PDT           28.11         -              Normal
  05/06/2025 01 PM PDT           28.10         -              Normal
  05/06/2025 02 PM PDT           28.09         -              Normal
  05/06/2025 03 PM PDT           28.08         -              Normal
  05/06/2025 04 PM PDT           28.07         -              Normal
  05/06/2025 05 PM PDT           28.08         +              Normal
  05/06/2025 06 PM PDT           28.05         -              Normal
  05/06/2025 07 PM PDT           28.09         +              Normal
  05/06/2025 08 PM PDT           28.06         -              Normal
  05/06/2025 09 PM PDT           28.07         +              Normal
  05/06/2025 10 PM PDT           28.03         -              Normal
  05/06/2025 11 PM PDT           28.06         +              Normal
  05/07/2025 12 AM PDT           28.05         -              Normal
  05/07/2025 01 AM PDT           28.10         +              Normal
  05/07/2025 02 AM PDT           28.11         +              Normal
  05/07/2025 03 AM PDT           28.19         +              Normal
  05/07/2025 04 AM PDT           28.13         -              Normal
  05/07/2025 05 AM PDT           28.13         0              Normal
  05/07/2025 06 AM PDT           28.16         +              Normal
  05/07/2025 07 AM PDT           28.14         -              Normal
  05/07/2025 08 AM PDT           28.12         -              Normal
  05/07/2025 09 AM PDT           28.09         -              Normal
  05/07/2025 10 AM PDT           28.09         0              Normal
  05/07/2025 11 AM PDT           28.08         -              Normal
  05/07/2025 12 PM PDT           28.07         -              Normal
  05/07/2025 01 PM PDT           28.00         -              Normal
  05/07/2025 02 PM PDT           27.98         -              Normal
  05/07/2025 03 PM PDT           28.00         +              Normal
  05/07/2025 04 PM PDT           27.96         -              Normal
  05/07/2025 05 PM PDT           27.97         +              Normal
  05/07/2025 06 PM PDT           27.95         -              Normal
  05/07/2025 07 PM PDT           27.94         -              Normal
  05/07/2025 08 PM PDT           27.92         -              Normal
  05/07/2025 09 PM PDT           27.90         -              Normal
  05/07/2025 10 PM PDT           27.90         0              Normal
  05/07/2025 11 PM PDT           27.89         -              Normal
  05/08/2025 12 AM PDT           27.90         +              Normal
  05/08/2025 01 AM PDT           27.88         -              Normal
  05/08/2025 02 AM PDT           27.90         +              Normal
  05/08/2025 03 AM PDT           27.92         +              Normal
  05/08/2025 04 AM PDT           27.94         +              Normal
  05/08/2025 05 AM PDT           27.95         +              Normal
  05/08/2025 06 AM PDT           27.95         0              Normal
  05/08/2025 07 AM PDT           27.95         0              Normal
  05/08/2025 08 AM PDT           27.94         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/08/2025 09 AM PDT           27.93                        Normal
  05/08/2025 10 AM PDT           27.92         -              Normal
  05/08/2025 11 AM PDT           27.91         -              Normal
  05/08/2025 12 PM PDT           27.90         -              Normal
  05/08/2025 01 PM PDT           27.89         -              Normal
  05/08/2025 02 PM PDT           27.88         -              Normal
  05/08/2025 03 PM PDT           27.86         -              Normal
  05/08/2025 04 PM PDT           27.85         -              Normal
  05/08/2025 05 PM PDT           27.84         -              Normal
  05/08/2025 06 PM PDT           27.84         0              Normal
  05/08/2025 07 PM PDT           27.83         -              Normal
  05/08/2025 08 PM PDT           27.83         0              Normal
  05/08/2025 09 PM PDT           27.83         0              Normal
  05/08/2025 10 PM PDT           27.83         0              Normal
  05/08/2025 11 PM PDT           27.83         0              Normal
  05/09/2025 12 AM PDT           27.83         0              Normal
  05/09/2025 01 AM PDT           27.83         0              Normal
  05/09/2025 02 AM PDT           27.83         0              Normal
  05/09/2025 03 AM PDT           27.84         +              Normal
  05/09/2025 04 AM PDT           27.84         0              Normal
  05/09/2025 05 AM PDT           27.84         0              Normal
  05/09/2025 06 AM PDT           27.84         0              Normal
  05/09/2025 07 AM PDT           27.84         0              Normal
  05/09/2025 08 AM PDT           27.84         0              Normal
  05/09/2025 09 AM PDT           27.85         +              Normal
  05/09/2025 10 AM PDT           27.85         0              Normal
  05/09/2025 11 AM PDT           27.85         0              Normal
  05/09/2025 12 PM PDT           27.85         0              Normal
  05/09/2025 01 PM PDT           27.85         0              Normal
  05/09/2025 02 PM PDT           27.85         0              Normal
  05/09/2025 03 PM PDT           27.85         0              Normal
  05/09/2025 04 PM PDT           27.85         0              Normal
  05/09/2025 05 PM PDT           27.85         0              Normal
  05/09/2025 06 PM PDT           27.84         -              Normal
  05/09/2025 07 PM PDT           27.84         0              Normal
  05/09/2025 08 PM PDT           27.84         0              Normal
  05/09/2025 09 PM PDT           27.84         0              Normal
  05/09/2025 10 PM PDT           27.84         0              Normal
  05/09/2025 11 PM PDT           27.84         0              Normal
  05/10/2025 12 AM PDT           27.84         0              Normal
  05/10/2025 01 AM PDT           27.84         0              Normal
  05/10/2025 02 AM PDT           27.83         -              Normal
  05/10/2025 03 AM PDT           27.83         0              Normal
  05/10/2025 04 AM PDT           27.83         0              Normal
  05/10/2025 05 AM PDT           27.83         0              Normal
  05/10/2025 06 AM PDT           27.82         -              Normal
  05/10/2025 07 AM PDT           27.82         0              Normal
  05/10/2025 08 AM PDT           27.82         0              Normal
  05/10/2025 09 AM PDT           27.82         0              Normal
  05/10/2025 10 AM PDT           27.81         -              Normal
  05/10/2025 11 AM PDT           27.81         0              Normal
  05/10/2025 12 PM PDT           27.81         0              Normal
  05/10/2025 01 PM PDT           27.81         0              Normal
  05/10/2025 02 PM PDT           27.80         -              Normal
  05/10/2025 03 PM PDT           27.80         0              Normal
  05/10/2025 04 PM PDT           27.80         0              Normal
  05/10/2025 05 PM PDT           27.80         0              Normal
  05/10/2025 06 PM PDT           27.80         0              Normal
  05/10/2025 07 PM PDT           27.79         -              Normal
  05/10/2025 08 PM PDT           27.79         0              Normal
  05/10/2025 09 PM PDT           27.79         0              Normal
  05/10/2025 10 PM PDT           27.79         0              Normal
  05/10/2025 11 PM PDT           27.79         0              Normal
  05/11/2025 12 AM PDT           27.79         0              Normal
  05/11/2025 01 AM PDT           27.78         -              Normal
  05/11/2025 02 AM PDT           27.78         0              Normal
  05/11/2025 03 AM PDT           27.78         0              Normal
  05/11/2025 04 AM PDT           27.78         0              Normal
  05/11/2025 05 AM PDT           27.77         -              Normal
  05/11/2025 06 AM PDT           27.77         0              Normal
  05/11/2025 07 AM PDT           27.77         0              Normal
  05/11/2025 08 AM PDT           27.77         0              Normal
  05/11/2025 09 AM PDT           27.76         -              Normal
  05/11/2025 10 AM PDT           27.76         0              Normal
  05/11/2025 11 AM PDT           27.76         0              Normal
  05/11/2025 12 PM PDT           27.76         0              Normal
  05/11/2025 01 PM PDT           27.75         -              Normal
  05/11/2025 02 PM PDT           27.75         0              Normal
  05/11/2025 03 PM PDT           27.75         0              Normal
  05/11/2025 04 PM PDT           27.75         0              Normal
  05/11/2025 05 PM PDT           27.75         0              Normal
  05/11/2025 06 PM PDT           27.74         -              Normal
  05/11/2025 07 PM PDT           27.74         0              Normal
  05/11/2025 08 PM PDT           27.74         0              Normal
  05/11/2025 09 PM PDT           27.73         -              Normal
  05/11/2025 10 PM PDT           27.73         0              Normal
  05/11/2025 11 PM PDT           27.73         0              Normal
  05/12/2025 12 AM PDT           27.73         0              Normal
  05/12/2025 01 AM PDT           27.72         -              Normal
  05/12/2025 02 AM PDT           27.72         0              Normal
  05/12/2025 03 AM PDT           27.72         0              Normal
  05/12/2025 04 AM PDT           27.71         -              Normal
  05/12/2025 05 AM PDT           27.71         0              Normal
  05/12/2025 06 AM PDT           27.71         0              Normal
  05/12/2025 07 AM PDT           27.70         -              Normal
  05/12/2025 08 AM PDT           27.70         0              Normal
  05/12/2025 09 AM PDT           27.69         -              Normal
  05/12/2025 10 AM PDT           27.69         0              Normal
  05/12/2025 11 AM PDT           27.69         0              Normal
  05/12/2025 12 PM PDT           27.68         -              Normal
  05/12/2025 01 PM PDT           27.68         0              Normal
  05/12/2025 02 PM PDT           27.67         -              Normal
  05/12/2025 03 PM PDT           27.67         0              Normal
  05/12/2025 04 PM PDT           27.66         -              Normal
  05/12/2025 05 PM PDT           27.66         0              Normal
  05/12/2025 06 PM PDT           27.65         -              Normal
  05/12/2025 07 PM PDT           27.65         0              Normal
  05/12/2025 08 PM PDT           27.64         -              Normal
  05/12/2025 09 PM PDT           27.64         0              Normal
  05/12/2025 10 PM PDT           27.63         -              Normal
  05/12/2025 11 PM PDT           27.63         0              Normal
  05/13/2025 12 AM PDT           27.62         -              Normal
  05/13/2025 01 AM PDT           27.62         0              Normal
  05/13/2025 02 AM PDT           27.61         -              Normal
  05/13/2025 03 AM PDT           27.61         0              Normal
  05/13/2025 04 AM PDT           27.61         0              Normal
  05/13/2025 05 AM PDT           27.60         -              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.