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

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COTTONWOOD CREEK - COTTONWOOD (CWAC1)
Latitude: 40.39º NLongitude: 122.24º WElevation: 364 FeetForecast Type: Unofficial Location
Location: Tehama County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jul 20 2026 at 7:20 AM PDTNext Issuance: Jul 21 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cottonwood Creek - Cottonwood (CWAC1)
#
# File Generation Time:  07/20/2026 at 07:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/16/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       1.81 Feet
# Maximum Observed Flow:                        81 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/20/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       1.64 Feet
# Maximum Forecast Flow:                        59 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/15/2026 07 AM PDT            1.74             72                Not Applicable
  07/15/2026 08 AM PDT            1.73             70         -      Not Applicable
  07/15/2026 09 AM PDT            1.73             70         0      Not Applicable
  07/15/2026 10 AM PDT            1.75             73         +      Not Applicable
  07/15/2026 11 AM PDT            1.74             72         -      Not Applicable
  07/15/2026 12 PM PDT            1.74             72         0      Not Applicable
  07/15/2026 01 PM PDT            1.75             73         +      Not Applicable
  07/15/2026 02 PM PDT            1.76             74         +      Not Applicable
  07/15/2026 03 PM PDT            1.75             73         -      Not Applicable
  07/15/2026 04 PM PDT            1.76             74         +      Not Applicable
  07/15/2026 05 PM PDT            1.78             77         +      Not Applicable
  07/15/2026 06 PM PDT            1.79             79         +      Not Applicable
  07/15/2026 07 PM PDT            1.80             80         +      Not Applicable
  07/15/2026 08 PM PDT            1.79             79         -      Not Applicable
  07/15/2026 09 PM PDT            1.79             79         0      Not Applicable
  07/15/2026 10 PM PDT            1.79             79         0      Not Applicable
  07/15/2026 11 PM PDT            1.78             77         -      Not Applicable
  07/16/2026 12 AM PDT            1.77             76         -      Not Applicable
  07/16/2026 01 AM PDT            1.77             76         0      Not Applicable
  07/16/2026 02 AM PDT            1.76             74         -      Not Applicable
  07/16/2026 03 AM PDT            1.75             73         -      Not Applicable
  07/16/2026 04 AM PDT            1.77             76         +      Not Applicable
  07/16/2026 05 AM PDT            1.78             77         +      Not Applicable
  07/16/2026 06 AM PDT            1.80             80         +      Not Applicable
  07/16/2026 07 AM PDT            1.81             81         +      Not Applicable
  07/16/2026 08 AM PDT            1.80             80         -      Not Applicable
  07/16/2026 09 AM PDT            1.80             80         0      Not Applicable
  07/16/2026 10 AM PDT            1.80             80         0      Not Applicable
  07/16/2026 11 AM PDT            1.79             79         -      Not Applicable
  07/16/2026 12 PM PDT            1.79             79         0      Not Applicable
  07/16/2026 01 PM PDT            1.79             79         0      Not Applicable
  07/16/2026 02 PM PDT            1.80             80         +      Not Applicable
  07/16/2026 03 PM PDT            1.80             80         0      Not Applicable
  07/16/2026 04 PM PDT            1.80             80         0      Not Applicable
  07/16/2026 05 PM PDT            1.80             80         0      Not Applicable
  07/16/2026 06 PM PDT            1.80             80         0      Not Applicable
  07/16/2026 07 PM PDT            1.81             81         +      Not Applicable
  07/16/2026 08 PM PDT            1.81             81         0      Not Applicable
  07/16/2026 09 PM PDT            1.80             80         -      Not Applicable
  07/16/2026 10 PM PDT            1.80             80         0      Not Applicable
  07/16/2026 11 PM PDT            1.80             80         0      Not Applicable
  07/17/2026 12 AM PDT            1.79             79         -      Not Applicable
  07/17/2026 01 AM PDT            1.77             76         -      Not Applicable
  07/17/2026 02 AM PDT            1.75             73         -      Not Applicable
  07/17/2026 03 AM PDT            1.73             70         -      Not Applicable
  07/17/2026 04 AM PDT            1.72             69         -      Not Applicable
  07/17/2026 05 AM PDT            1.72             69         0      Not Applicable
  07/17/2026 06 AM PDT            1.70             67         -      Not Applicable
  07/17/2026 07 AM PDT            1.71             68         +      Not Applicable
  07/17/2026 08 AM PDT            1.71             68         0      Not Applicable
  07/17/2026 09 AM PDT            1.72             69         +      Not Applicable
  07/17/2026 10 AM PDT            1.73             70         +      Not Applicable
  07/17/2026 11 AM PDT            1.75             73         +      Not Applicable
  07/17/2026 12 PM PDT            1.76             74         +      Not Applicable
  07/17/2026 01 PM PDT            1.75             73         -      Not Applicable
  07/17/2026 02 PM PDT            1.75             73         0      Not Applicable
  07/17/2026 03 PM PDT            1.74             72         -      Not Applicable
  07/17/2026 04 PM PDT            1.75             73         +      Not Applicable
  07/17/2026 05 PM PDT            1.75             73         0      Not Applicable
  07/17/2026 06 PM PDT            1.76             74         +      Not Applicable
  07/17/2026 07 PM PDT            1.76             74         0      Not Applicable
  07/17/2026 08 PM PDT            1.75             73         -      Not Applicable
  07/17/2026 09 PM PDT            1.75             73         0      Not Applicable
  07/17/2026 10 PM PDT            1.74             72         -      Not Applicable
  07/17/2026 11 PM PDT            1.73             70         -      Not Applicable
  07/18/2026 12 AM PDT            1.72             69         -      Not Applicable
  07/18/2026 01 AM PDT            1.72             69         0      Not Applicable
  07/18/2026 02 AM PDT            1.71             68         -      Not Applicable
  07/18/2026 03 AM PDT            1.71             68         0      Not Applicable
  07/18/2026 04 AM PDT            1.71             68         0      Not Applicable
  07/18/2026 05 AM PDT            1.71             68         0      Not Applicable
  07/18/2026 06 AM PDT            1.71             68         0      Not Applicable
  07/18/2026 07 AM PDT            1.71             68         0      Not Applicable
  07/18/2026 08 AM PDT            1.72             69         +      Not Applicable
  07/18/2026 09 AM PDT            1.73             70         +      Not Applicable
  07/18/2026 10 AM PDT            1.73             70         0      Not Applicable
  07/18/2026 11 AM PDT            1.73             70         0      Not Applicable
  07/18/2026 12 PM PDT            1.74             72         +      Not Applicable
  07/18/2026 01 PM PDT            1.75             73         +      Not Applicable
  07/18/2026 02 PM PDT            1.75             73         0      Not Applicable
  07/18/2026 03 PM PDT            1.76             74         +      Not Applicable
  07/18/2026 04 PM PDT            1.76             74         0      Not Applicable
  07/18/2026 05 PM PDT            1.77             76         +      Not Applicable
  07/18/2026 06 PM PDT            1.76             74         -      Not Applicable
  07/18/2026 07 PM PDT            1.75             73         -      Not Applicable
  07/18/2026 08 PM PDT            1.73             70         -      Not Applicable
  07/18/2026 09 PM PDT            1.71             68         -      Not Applicable
  07/18/2026 10 PM PDT            1.70             67         -      Not Applicable
  07/18/2026 11 PM PDT            1.68             64         -      Not Applicable
  07/19/2026 12 AM PDT            1.67             63         -      Not Applicable
  07/19/2026 01 AM PDT            1.66             62         -      Not Applicable
  07/19/2026 02 AM PDT            1.65             60         -      Not Applicable
  07/19/2026 03 AM PDT            1.66             62         +      Not Applicable
  07/19/2026 04 AM PDT            1.65             60         -      Not Applicable
  07/19/2026 05 AM PDT            1.65             60         0      Not Applicable
  07/19/2026 06 AM PDT            1.65             60         0      Not Applicable
  07/19/2026 07 AM PDT            1.66             62         +      Not Applicable
  07/19/2026 08 AM PDT            1.66             62         0      Not Applicable
  07/19/2026 09 AM PDT            1.66             62         0      Not Applicable
  07/19/2026 10 AM PDT            1.67             63         +      Not Applicable
  07/19/2026 11 AM PDT            1.66             62         -      Not Applicable
  07/19/2026 12 PM PDT            1.67             63         +      Not Applicable
  07/19/2026 01 PM PDT            1.67             63         0      Not Applicable
  07/19/2026 02 PM PDT            1.67             63         0      Not Applicable
  07/19/2026 03 PM PDT            1.68             64         +      Not Applicable
  07/19/2026 04 PM PDT            1.67             63         -      Not Applicable
  07/19/2026 05 PM PDT            1.68             64         +      Not Applicable
  07/19/2026 06 PM PDT            1.69             65         +      Not Applicable
  07/19/2026 07 PM PDT            1.69             65         0      Not Applicable
  07/19/2026 08 PM PDT            1.68             64         -      Not Applicable
  07/19/2026 09 PM PDT            1.69             65         +      Not Applicable
  07/19/2026 10 PM PDT            1.68             64         -      Not Applicable
  07/19/2026 11 PM PDT            1.66             62         -      Not Applicable
  07/20/2026 12 AM PDT            1.65             60         -      Not Applicable
  07/20/2026 01 AM PDT            1.65             60         0      Not Applicable
  07/20/2026 02 AM PDT            1.65             60         0      Not Applicable
  07/20/2026 03 AM PDT            1.64             59         -      Not Applicable
  07/20/2026 04 AM PDT            1.63             58         -      Not Applicable
  07/20/2026 05 AM PDT            1.64             59         +      Not Applicable
  07/20/2026 06 AM PDT            1.64             59         0      Not Applicable
  07/20/2026 07 AM PDT            1.64             59         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/20/2026 08 AM PDT            1.64             59                Not Applicable
  07/20/2026 09 AM PDT            1.64             59         0      Not Applicable
  07/20/2026 10 AM PDT            1.64             59         0      Not Applicable
  07/20/2026 11 AM PDT            1.64             59         0      Not Applicable
  07/20/2026 12 PM PDT            1.64             59         0      Not Applicable
  07/20/2026 01 PM PDT            1.64             59         0      Not Applicable
  07/20/2026 02 PM PDT            1.64             59         0      Not Applicable
  07/20/2026 03 PM PDT            1.64             59         0      Not Applicable
  07/20/2026 04 PM PDT            1.64             59         0      Not Applicable
  07/20/2026 05 PM PDT            1.63             58         -      Not Applicable
  07/20/2026 06 PM PDT            1.63             58         0      Not Applicable
  07/20/2026 07 PM PDT            1.63             58         0      Not Applicable
  07/20/2026 08 PM PDT            1.63             58         0      Not Applicable
  07/20/2026 09 PM PDT            1.63             58         0      Not Applicable
  07/20/2026 10 PM PDT            1.63             58         0      Not Applicable
  07/20/2026 11 PM PDT            1.63             58         0      Not Applicable
  07/21/2026 12 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 01 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 02 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 03 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 04 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 05 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 06 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 07 AM PDT            1.63             58         0      Not Applicable
  07/21/2026 08 AM PDT            1.62             57         -      Not Applicable
  07/21/2026 09 AM PDT            1.62             57         0      Not Applicable
  07/21/2026 10 AM PDT            1.62             57         0      Not Applicable
  07/21/2026 11 AM PDT            1.62             57         0      Not Applicable
  07/21/2026 12 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 01 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 02 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 03 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 04 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 05 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 06 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 07 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 08 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 09 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 10 PM PDT            1.62             57         0      Not Applicable
  07/21/2026 11 PM PDT            1.61             56         -      Not Applicable
  07/22/2026 12 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 01 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 02 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 03 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 04 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 05 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 06 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 07 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 08 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 09 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 10 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 11 AM PDT            1.61             56         0      Not Applicable
  07/22/2026 12 PM PDT            1.61             56         0      Not Applicable
  07/22/2026 01 PM PDT            1.60             54         -      Not Applicable
  07/22/2026 02 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 03 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 04 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 05 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 06 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 07 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 08 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 09 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 10 PM PDT            1.60             54         0      Not Applicable
  07/22/2026 11 PM PDT            1.60             54         0      Not Applicable
  07/23/2026 12 AM PDT            1.60             54         0      Not Applicable
  07/23/2026 01 AM PDT            1.60             54         0      Not Applicable
  07/23/2026 02 AM PDT            1.60             54         0      Not Applicable
  07/23/2026 03 AM PDT            1.60             54         0      Not Applicable
  07/23/2026 04 AM PDT            1.59             53         -      Not Applicable
  07/23/2026 05 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 06 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 07 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 08 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 09 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 10 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 11 AM PDT            1.59             53         0      Not Applicable
  07/23/2026 12 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 01 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 02 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 03 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 04 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 05 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 06 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 07 PM PDT            1.59             53         0      Not Applicable
  07/23/2026 08 PM PDT            1.58             52         -      Not Applicable
  07/23/2026 09 PM PDT            1.58             52         0      Not Applicable
  07/23/2026 10 PM PDT            1.58             52         0      Not Applicable
  07/23/2026 11 PM PDT            1.58             52         0      Not Applicable
  07/24/2026 12 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 01 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 02 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 03 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 04 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 05 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 06 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 07 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 08 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 09 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 10 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 11 AM PDT            1.58             52         0      Not Applicable
  07/24/2026 12 PM PDT            1.58             52         0      Not Applicable
  07/24/2026 01 PM PDT            1.57             51         -      Not Applicable
  07/24/2026 02 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 03 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 04 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 05 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 06 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 07 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 08 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 09 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 10 PM PDT            1.57             51         0      Not Applicable
  07/24/2026 11 PM PDT            1.57             51         0      Not Applicable
  07/25/2026 12 AM PDT            1.57             51         0      Not Applicable
  07/25/2026 01 AM PDT            1.57             51         0      Not Applicable
  07/25/2026 02 AM PDT            1.57             51         0      Not Applicable
  07/25/2026 03 AM PDT            1.57             51         0      Not Applicable
  07/25/2026 04 AM PDT            1.57             51         0      Not Applicable
  07/25/2026 05 AM PDT            1.57             51         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.