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

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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 18 2024 at 8:22 AM PDTNext Issuance: May 19 2024 at 9:00 AM PDT
Monitor Stage: 38.5 FeetFlood Stage: 44.5 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:  05/18/2024 at 08:22 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/15/2024 at 02:00 AM PDT
# Maximum Observed Stage:                       29.26 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/18/2024 at 09:00 AM PDT
# Maximum Forecast Stage:                       28.84 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/13/2024 08 AM PDT           29.05                        Normal
  05/13/2024 09 AM PDT           29.04         -              Normal
  05/13/2024 10 AM PDT           28.99         -              Normal
  05/13/2024 11 AM PDT           28.98         -              Normal
  05/13/2024 12 PM PDT           28.98         0              Normal
  05/13/2024 01 PM PDT           28.96         -              Normal
  05/13/2024 02 PM PDT           28.94         -              Normal
  05/13/2024 03 PM PDT           28.92         -              Normal
  05/13/2024 04 PM PDT           28.92         0              Normal
  05/13/2024 05 PM PDT           28.92         0              Normal
  05/13/2024 06 PM PDT           28.90         -              Normal
  05/13/2024 07 PM PDT           28.93         +              Normal
  05/13/2024 08 PM PDT           29.00         +              Normal
  05/13/2024 09 PM PDT           29.07         +              Normal
  05/13/2024 10 PM PDT           29.13         +              Normal
  05/13/2024 11 PM PDT           29.15         +              Normal
  05/14/2024 12 AM PDT           29.22         +              Normal
  05/14/2024 01 AM PDT           29.21         -              Normal
  05/14/2024 02 AM PDT           29.22         +              Normal
  05/14/2024 03 AM PDT           29.21         -              Normal
  05/14/2024 04 AM PDT           29.19         -              Normal
  05/14/2024 05 AM PDT           29.16         -              Normal
  05/14/2024 06 AM PDT           29.14         -              Normal
  05/14/2024 07 AM PDT           29.13         -              Normal
  05/14/2024 08 AM PDT           29.12         -              Normal
  05/14/2024 09 AM PDT           29.06         -              Normal
  05/14/2024 10 AM PDT           29.08         +              Normal
  05/14/2024 11 AM PDT           29.05         -              Normal
  05/14/2024 12 PM PDT           29.02         -              Normal
  05/14/2024 01 PM PDT           29.00         -              Normal
  05/14/2024 02 PM PDT           28.97         -              Normal
  05/14/2024 03 PM PDT           28.95         -              Normal
  05/14/2024 04 PM PDT           28.92         -              Normal
  05/14/2024 05 PM PDT           28.92         0              Normal
  05/14/2024 06 PM PDT           28.93         +              Normal
  05/14/2024 07 PM PDT           28.96         +              Normal
  05/14/2024 08 PM PDT           29.01         +              Normal
  05/14/2024 09 PM PDT           29.08         +              Normal
  05/14/2024 10 PM PDT           29.15         +              Normal
  05/14/2024 11 PM PDT           29.20         +              Normal
  05/15/2024 12 AM PDT           29.24         +              Normal
  05/15/2024 01 AM PDT           29.26         +              Normal
  05/15/2024 02 AM PDT           29.26         0              Normal
  05/15/2024 03 AM PDT           29.24         -              Normal
  05/15/2024 04 AM PDT           29.22         -              Normal
  05/15/2024 05 AM PDT           29.19         -              Normal
  05/15/2024 06 AM PDT           29.15         -              Normal
  05/15/2024 07 AM PDT           29.12         -              Normal
  05/15/2024 08 AM PDT           29.09         -              Normal
  05/15/2024 09 AM PDT           29.06         -              Normal
  05/15/2024 10 AM PDT           29.03         -              Normal
  05/15/2024 11 AM PDT           29.00         -              Normal
  05/15/2024 12 PM PDT           28.98         -              Normal
  05/15/2024 01 PM PDT           28.96         -              Normal
  05/15/2024 02 PM PDT           28.95         -              Normal
  05/15/2024 03 PM PDT           28.93         -              Normal
  05/15/2024 04 PM PDT           28.93         0              Normal
  05/15/2024 05 PM PDT           28.92         -              Normal
  05/15/2024 06 PM PDT           28.94         +              Normal
  05/15/2024 07 PM PDT           28.99         +              Normal
  05/15/2024 08 PM PDT           29.04         +              Normal
  05/15/2024 09 PM PDT           29.09         +              Normal
  05/15/2024 10 PM PDT           29.13         +              Normal
  05/15/2024 11 PM PDT           29.16         +              Normal
  05/16/2024 12 AM PDT           29.19         +              Normal
  05/16/2024 01 AM PDT           29.18         -              Normal
  05/16/2024 02 AM PDT           29.17         -              Normal
  05/16/2024 03 AM PDT           29.15         -              Normal
  05/16/2024 04 AM PDT           29.13         -              Normal
  05/16/2024 05 AM PDT           29.11         -              Normal
  05/16/2024 06 AM PDT           29.08         -              Normal
  05/16/2024 07 AM PDT           29.05         -              Normal
  05/16/2024 08 AM PDT           29.02         -              Normal
  05/16/2024 09 AM PDT           29.00         -              Normal
  05/16/2024 10 AM PDT           28.98         -              Normal
  05/16/2024 11 AM PDT           28.96         -              Normal
  05/16/2024 12 PM PDT           28.93         -              Normal
  05/16/2024 01 PM PDT           28.91         -              Normal
  05/16/2024 02 PM PDT           28.89         -              Normal
  05/16/2024 03 PM PDT           28.87         -              Normal
  05/16/2024 04 PM PDT           28.87         0              Normal
  05/16/2024 05 PM PDT           28.88         +              Normal
  05/16/2024 06 PM PDT           28.91         +              Normal
  05/16/2024 07 PM PDT           28.95         +              Normal
  05/16/2024 08 PM PDT           29.02         +              Normal
  05/16/2024 09 PM PDT           29.08         +              Normal
  05/16/2024 10 PM PDT           29.13         +              Normal
  05/16/2024 11 PM PDT           29.16         +              Normal
  05/17/2024 12 AM PDT           29.17         +              Normal
  05/17/2024 01 AM PDT           29.17         0              Normal
  05/17/2024 02 AM PDT           29.15         -              Normal
  05/17/2024 03 AM PDT           29.13         -              Normal
  05/17/2024 04 AM PDT           29.12         -              Normal
  05/17/2024 05 AM PDT           29.08         -              Normal
  05/17/2024 06 AM PDT           29.05         -              Normal
  05/17/2024 07 AM PDT           29.03         -              Normal
  05/17/2024 08 AM PDT           29.00         -              Normal
  05/17/2024 09 AM PDT           28.97         -              Normal
  05/17/2024 10 AM PDT           28.94         -              Normal
  05/17/2024 11 AM PDT           28.92         -              Normal
  05/17/2024 12 PM PDT           28.88         -              Normal
  05/17/2024 01 PM PDT           28.86         -              Normal
  05/17/2024 02 PM PDT           28.82         -              Normal
  05/17/2024 03 PM PDT           28.80         -              Normal
  05/17/2024 04 PM PDT           28.79         -              Normal
  05/17/2024 05 PM PDT           28.78         -              Normal
  05/17/2024 06 PM PDT           28.80         +              Normal
  05/17/2024 07 PM PDT           28.84         +              Normal
  05/17/2024 08 PM PDT           28.88         +              Normal
  05/17/2024 09 PM PDT           28.94         +              Normal
  05/17/2024 10 PM PDT           28.98         +              Normal
  05/17/2024 11 PM PDT           29.00         +              Normal
  05/18/2024 12 AM PDT           29.02         +              Normal
  05/18/2024 01 AM PDT           29.02         0              Normal
  05/18/2024 02 AM PDT           29.01         -              Normal
  05/18/2024 03 AM PDT           29.00         -              Normal
  05/18/2024 04 AM PDT           28.97         -              Normal
  05/18/2024 05 AM PDT           28.95         -              Normal
  05/18/2024 06 AM PDT           28.93         -              Normal
  05/18/2024 07 AM PDT           28.90         -              Normal
  05/18/2024 08 AM PDT           28.87         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/18/2024 09 AM PDT           28.84                        Normal
  05/18/2024 10 AM PDT           28.80         -              Normal
  05/18/2024 11 AM PDT           28.77         -              Normal
  05/18/2024 12 PM PDT           28.74         -              Normal
  05/18/2024 01 PM PDT           28.71         -              Normal
  05/18/2024 02 PM PDT           28.68         -              Normal
  05/18/2024 03 PM PDT           28.64         -              Normal
  05/18/2024 04 PM PDT           28.62         -              Normal
  05/18/2024 05 PM PDT           28.62         0              Normal
  05/18/2024 06 PM PDT           28.63         +              Normal
  05/18/2024 07 PM PDT           28.65         +              Normal
  05/18/2024 08 PM PDT           28.67         +              Normal
  05/18/2024 09 PM PDT           28.69         +              Normal
  05/18/2024 10 PM PDT           28.70         +              Normal
  05/18/2024 11 PM PDT           28.71         +              Normal
  05/19/2024 12 AM PDT           28.70         -              Normal
  05/19/2024 01 AM PDT           28.69         -              Normal
  05/19/2024 02 AM PDT           28.68         -              Normal
  05/19/2024 03 AM PDT           28.67         -              Normal
  05/19/2024 04 AM PDT           28.66         -              Normal
  05/19/2024 05 AM PDT           28.65         -              Normal
  05/19/2024 06 AM PDT           28.63         -              Normal
  05/19/2024 07 AM PDT           28.62         -              Normal
  05/19/2024 08 AM PDT           28.60         -              Normal
  05/19/2024 09 AM PDT           28.59         -              Normal
  05/19/2024 10 AM PDT           28.58         -              Normal
  05/19/2024 11 AM PDT           28.56         -              Normal
  05/19/2024 12 PM PDT           28.55         -              Normal
  05/19/2024 01 PM PDT           28.54         -              Normal
  05/19/2024 02 PM PDT           28.52         -              Normal
  05/19/2024 03 PM PDT           28.51         -              Normal
  05/19/2024 04 PM PDT           28.50         -              Normal
  05/19/2024 05 PM PDT           28.49         -              Normal
  05/19/2024 06 PM PDT           28.48         -              Normal
  05/19/2024 07 PM PDT           28.47         -              Normal
  05/19/2024 08 PM PDT           28.46         -              Normal
  05/19/2024 09 PM PDT           28.46         0              Normal
  05/19/2024 10 PM PDT           28.45         -              Normal
  05/19/2024 11 PM PDT           28.44         -              Normal
  05/20/2024 12 AM PDT           28.44         0              Normal
  05/20/2024 01 AM PDT           28.43         -              Normal
  05/20/2024 02 AM PDT           28.42         -              Normal
  05/20/2024 03 AM PDT           28.41         -              Normal
  05/20/2024 04 AM PDT           28.40         -              Normal
  05/20/2024 05 AM PDT           28.39         -              Normal
  05/20/2024 06 AM PDT           28.38         -              Normal
  05/20/2024 07 AM PDT           28.37         -              Normal
  05/20/2024 08 AM PDT           28.37         0              Normal
  05/20/2024 09 AM PDT           28.36         -              Normal
  05/20/2024 10 AM PDT           28.35         -              Normal
  05/20/2024 11 AM PDT           28.34         -              Normal
  05/20/2024 12 PM PDT           28.33         -              Normal
  05/20/2024 01 PM PDT           28.32         -              Normal
  05/20/2024 02 PM PDT           28.31         -              Normal
  05/20/2024 03 PM PDT           28.30         -              Normal
  05/20/2024 04 PM PDT           28.29         -              Normal
  05/20/2024 05 PM PDT           28.28         -              Normal
  05/20/2024 06 PM PDT           28.27         -              Normal
  05/20/2024 07 PM PDT           28.26         -              Normal
  05/20/2024 08 PM PDT           28.26         0              Normal
  05/20/2024 09 PM PDT           28.25         -              Normal
  05/20/2024 10 PM PDT           28.24         -              Normal
  05/20/2024 11 PM PDT           28.23         -              Normal
  05/21/2024 12 AM PDT           28.23         0              Normal
  05/21/2024 01 AM PDT           28.22         -              Normal
  05/21/2024 02 AM PDT           28.21         -              Normal
  05/21/2024 03 AM PDT           28.20         -              Normal
  05/21/2024 04 AM PDT           28.19         -              Normal
  05/21/2024 05 AM PDT           28.18         -              Normal
  05/21/2024 06 AM PDT           28.17         -              Normal
  05/21/2024 07 AM PDT           28.16         -              Normal
  05/21/2024 08 AM PDT           28.15         -              Normal
  05/21/2024 09 AM PDT           28.14         -              Normal
  05/21/2024 10 AM PDT           28.13         -              Normal
  05/21/2024 11 AM PDT           28.12         -              Normal
  05/21/2024 12 PM PDT           28.11         -              Normal
  05/21/2024 01 PM PDT           28.10         -              Normal
  05/21/2024 02 PM PDT           28.09         -              Normal
  05/21/2024 03 PM PDT           28.08         -              Normal
  05/21/2024 04 PM PDT           28.07         -              Normal
  05/21/2024 05 PM PDT           28.06         -              Normal
  05/21/2024 06 PM PDT           28.05         -              Normal
  05/21/2024 07 PM PDT           28.05         0              Normal
  05/21/2024 08 PM PDT           28.04         -              Normal
  05/21/2024 09 PM PDT           28.03         -              Normal
  05/21/2024 10 PM PDT           28.03         0              Normal
  05/21/2024 11 PM PDT           28.02         -              Normal
  05/22/2024 12 AM PDT           28.01         -              Normal
  05/22/2024 01 AM PDT           28.00         -              Normal
  05/22/2024 02 AM PDT           28.00         0              Normal
  05/22/2024 03 AM PDT           27.99         -              Normal
  05/22/2024 04 AM PDT           27.98         -              Normal
  05/22/2024 05 AM PDT           27.97         -              Normal
  05/22/2024 06 AM PDT           27.96         -              Normal
  05/22/2024 07 AM PDT           27.96         0              Normal
  05/22/2024 08 AM PDT           27.95         -              Normal
  05/22/2024 09 AM PDT           27.94         -              Normal
  05/22/2024 10 AM PDT           27.93         -              Normal
  05/22/2024 11 AM PDT           27.92         -              Normal
  05/22/2024 12 PM PDT           27.91         -              Normal
  05/22/2024 01 PM PDT           27.91         0              Normal
  05/22/2024 02 PM PDT           27.90         -              Normal
  05/22/2024 03 PM PDT           27.89         -              Normal
  05/22/2024 04 PM PDT           27.89         0              Normal
  05/22/2024 05 PM PDT           27.88         -              Normal
  05/22/2024 06 PM PDT           27.87         -              Normal
  05/22/2024 07 PM PDT           27.87         0              Normal
  05/22/2024 08 PM PDT           27.87         0              Normal
  05/22/2024 09 PM PDT           27.86         -              Normal
  05/22/2024 10 PM PDT           27.86         0              Normal
  05/22/2024 11 PM PDT           27.85         -              Normal
  05/23/2024 12 AM PDT           27.85         0              Normal
  05/23/2024 01 AM PDT           27.84         -              Normal
  05/23/2024 02 AM PDT           27.84         0              Normal
  05/23/2024 03 AM PDT           27.83         -              Normal
  05/23/2024 04 AM PDT           27.83         0              Normal
  05/23/2024 05 AM PDT           27.82         -              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.