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: May 06 2026 at 7:46 AM PDTNext Issuance: May 07 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:  05/06/2026 at 07:48 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/01/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       3.56 Feet
# Maximum Observed Flow:                        499 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/06/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       3.37 Feet
# Maximum Forecast Flow:                        434 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/01/2026 07 AM PDT            3.56            499                Not Applicable
  05/01/2026 08 AM PDT            3.55            496         -      Not Applicable
  05/01/2026 09 AM PDT            3.55            496         0      Not Applicable
  05/01/2026 10 AM PDT            3.56            499         +      Not Applicable
  05/01/2026 11 AM PDT            3.55            496         -      Not Applicable
  05/01/2026 12 PM PDT            3.56            499         +      Not Applicable
  05/01/2026 01 PM PDT            3.56            499         0      Not Applicable
  05/01/2026 02 PM PDT            3.55            496         -      Not Applicable
  05/01/2026 03 PM PDT            3.54            492         -      Not Applicable
  05/01/2026 04 PM PDT            3.54            492         0      Not Applicable
  05/01/2026 05 PM PDT            3.53            489         -      Not Applicable
  05/01/2026 06 PM PDT            3.52            485         -      Not Applicable
  05/01/2026 07 PM PDT            3.53            489         +      Not Applicable
  05/01/2026 08 PM PDT            3.51            482         -      Not Applicable
  05/01/2026 09 PM PDT            3.51            482         0      Not Applicable
  05/01/2026 10 PM PDT            3.53            489         +      Not Applicable
  05/01/2026 11 PM PDT            3.50            478         -      Not Applicable
  05/02/2026 12 AM PDT            3.50            478         0      Not Applicable
  05/02/2026 01 AM PDT            3.50            478         0      Not Applicable
  05/02/2026 02 AM PDT            3.50            478         0      Not Applicable
  05/02/2026 03 AM PDT            3.51            482         +      Not Applicable
  05/02/2026 04 AM PDT            3.51            482         0      Not Applicable
  05/02/2026 05 AM PDT            3.51            482         0      Not Applicable
  05/02/2026 06 AM PDT            3.50            478         -      Not Applicable
  05/02/2026 07 AM PDT            3.49            475         -      Not Applicable
  05/02/2026 08 AM PDT            3.48            471         -      Not Applicable
  05/02/2026 09 AM PDT            3.48            471         0      Not Applicable
  05/02/2026 10 AM PDT            3.46            464         -      Not Applicable
  05/02/2026 11 AM PDT            3.48            471         +      Not Applicable
  05/02/2026 12 PM PDT            3.47            468         -      Not Applicable
  05/02/2026 01 PM PDT            3.48            471         +      Not Applicable
  05/02/2026 02 PM PDT            3.46            464         -      Not Applicable
  05/02/2026 03 PM PDT            3.46            464         0      Not Applicable
  05/02/2026 04 PM PDT            3.46            464         0      Not Applicable
  05/02/2026 05 PM PDT            3.45            461         -      Not Applicable
  05/02/2026 06 PM PDT            3.46            464         +      Not Applicable
  05/02/2026 07 PM PDT            3.43            454         -      Not Applicable
  05/02/2026 08 PM PDT            3.43            454         0      Not Applicable
  05/02/2026 09 PM PDT            3.44            458         +      Not Applicable
  05/02/2026 10 PM PDT            3.44            458         0      Not Applicable
  05/02/2026 11 PM PDT            3.44            458         0      Not Applicable
  05/03/2026 12 AM PDT            3.43            454         -      Not Applicable
  05/03/2026 01 AM PDT            3.44            458         +      Not Applicable
  05/03/2026 02 AM PDT            3.42            451         -      Not Applicable
  05/03/2026 03 AM PDT            3.44            458         +      Not Applicable
  05/03/2026 04 AM PDT            3.44            458         0      Not Applicable
  05/03/2026 05 AM PDT            3.44            458         0      Not Applicable
  05/03/2026 06 AM PDT            3.43            454         -      Not Applicable
  05/03/2026 07 AM PDT            3.43            454         0      Not Applicable
  05/03/2026 08 AM PDT            3.41            447         -      Not Applicable
  05/03/2026 09 AM PDT            3.41            447         0      Not Applicable
  05/03/2026 10 AM PDT            3.43            454         +      Not Applicable
  05/03/2026 11 AM PDT            3.43            454         0      Not Applicable
  05/03/2026 12 PM PDT            3.41            447         -      Not Applicable
  05/03/2026 01 PM PDT            3.43            454         +      Not Applicable
  05/03/2026 02 PM PDT            3.42            451         -      Not Applicable
  05/03/2026 03 PM PDT            3.42            451         0      Not Applicable
  05/03/2026 04 PM PDT            3.42            451         0      Not Applicable
  05/03/2026 05 PM PDT            3.42            451         0      Not Applicable
  05/03/2026 06 PM PDT            3.41            447         -      Not Applicable
  05/03/2026 07 PM PDT            3.39            441         -      Not Applicable
  05/03/2026 08 PM PDT            3.40            444         +      Not Applicable
  05/03/2026 09 PM PDT            3.40            444         0      Not Applicable
  05/03/2026 10 PM PDT            3.39            441         -      Not Applicable
  05/03/2026 11 PM PDT            3.42            451         +      Not Applicable
  05/04/2026 12 AM PDT            3.41            447         -      Not Applicable
  05/04/2026 01 AM PDT            3.43            454         +      Not Applicable
  05/04/2026 02 AM PDT            3.44            458         +      Not Applicable
  05/04/2026 03 AM PDT            3.43            454         -      Not Applicable
  05/04/2026 04 AM PDT            3.42            451         -      Not Applicable
  05/04/2026 05 AM PDT            3.42            451         0      Not Applicable
  05/04/2026 06 AM PDT            3.42            451         0      Not Applicable
  05/04/2026 07 AM PDT            3.42            451         0      Not Applicable
  05/04/2026 08 AM PDT            3.43            454         +      Not Applicable
  05/04/2026 09 AM PDT            3.44            458         +      Not Applicable
  05/04/2026 10 AM PDT            3.43            454         -      Not Applicable
  05/04/2026 11 AM PDT            3.44            458         +      Not Applicable
  05/04/2026 12 PM PDT            3.44            458         0      Not Applicable
  05/04/2026 01 PM PDT            3.44            458         0      Not Applicable
  05/04/2026 02 PM PDT            3.43            454         -      Not Applicable
  05/04/2026 03 PM PDT            3.45            461         +      Not Applicable
  05/04/2026 04 PM PDT            3.43            454         -      Not Applicable
  05/04/2026 05 PM PDT            3.42            451         -      Not Applicable
  05/04/2026 06 PM PDT            3.43            454         +      Not Applicable
  05/04/2026 07 PM PDT            3.41            447         -      Not Applicable
  05/04/2026 08 PM PDT            3.42            451         +      Not Applicable
  05/04/2026 09 PM PDT            3.41            447         -      Not Applicable
  05/04/2026 10 PM PDT            3.42            451         +      Not Applicable
  05/04/2026 11 PM PDT            3.41            447         -      Not Applicable
  05/05/2026 12 AM PDT            3.42            451         +      Not Applicable
  05/05/2026 01 AM PDT            3.42            451         0      Not Applicable
  05/05/2026 02 AM PDT            3.42            451         0      Not Applicable
  05/05/2026 03 AM PDT            3.41            447         -      Not Applicable
  05/05/2026 04 AM PDT            3.41            447         0      Not Applicable
  05/05/2026 05 AM PDT            3.41            447         0      Not Applicable
  05/05/2026 06 AM PDT            3.42            451         +      Not Applicable
  05/05/2026 07 AM PDT            3.43            454         +      Not Applicable
  05/05/2026 08 AM PDT            3.43            454         0      Not Applicable
  05/05/2026 09 AM PDT            3.42            451         -      Not Applicable
  05/05/2026 10 AM PDT            3.44            458         +      Not Applicable
  05/05/2026 11 AM PDT            3.44            458         0      Not Applicable
  05/05/2026 12 PM PDT            3.44            458         0      Not Applicable
  05/05/2026 01 PM PDT            3.44            458         0      Not Applicable
  05/05/2026 02 PM PDT            3.44            458         0      Not Applicable
  05/05/2026 03 PM PDT            3.44            458         0      Not Applicable
  05/05/2026 04 PM PDT            3.44            458         0      Not Applicable
  05/05/2026 05 PM PDT            3.43            454         -      Not Applicable
  05/05/2026 06 PM PDT            3.43            454         0      Not Applicable
  05/05/2026 07 PM PDT            3.42            451         -      Not Applicable
  05/05/2026 08 PM PDT            3.42            451         0      Not Applicable
  05/05/2026 09 PM PDT            3.42            451         0      Not Applicable
  05/05/2026 10 PM PDT            3.41            447         -      Not Applicable
  05/05/2026 11 PM PDT            3.40            444         -      Not Applicable
  05/06/2026 12 AM PDT            3.40            444         0      Not Applicable
  05/06/2026 01 AM PDT            3.39            441         -      Not Applicable
  05/06/2026 02 AM PDT            3.39            441         0      Not Applicable
  05/06/2026 03 AM PDT            3.38            437         -      Not Applicable
  05/06/2026 04 AM PDT            3.39            441         +      Not Applicable
  05/06/2026 05 AM PDT            3.38            437         -      Not Applicable
  05/06/2026 06 AM PDT            3.38            437         0      Not Applicable
  05/06/2026 07 AM PDT            3.38            437         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/06/2026 08 AM PDT            3.37            434                Not Applicable
  05/06/2026 09 AM PDT            3.37            434         0      Not Applicable
  05/06/2026 10 AM PDT            3.37            434         0      Not Applicable
  05/06/2026 11 AM PDT            3.37            434         0      Not Applicable
  05/06/2026 12 PM PDT            3.37            434         0      Not Applicable
  05/06/2026 01 PM PDT            3.36            431         -      Not Applicable
  05/06/2026 02 PM PDT            3.36            431         0      Not Applicable
  05/06/2026 03 PM PDT            3.36            431         0      Not Applicable
  05/06/2026 04 PM PDT            3.36            431         0      Not Applicable
  05/06/2026 05 PM PDT            3.36            431         0      Not Applicable
  05/06/2026 06 PM PDT            3.35            427         -      Not Applicable
  05/06/2026 07 PM PDT            3.35            427         0      Not Applicable
  05/06/2026 08 PM PDT            3.35            427         0      Not Applicable
  05/06/2026 09 PM PDT            3.35            427         0      Not Applicable
  05/06/2026 10 PM PDT            3.35            427         0      Not Applicable
  05/06/2026 11 PM PDT            3.35            427         0      Not Applicable
  05/07/2026 12 AM PDT            3.35            427         0      Not Applicable
  05/07/2026 01 AM PDT            3.34            424         -      Not Applicable
  05/07/2026 02 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 03 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 04 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 05 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 06 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 07 AM PDT            3.34            424         0      Not Applicable
  05/07/2026 08 AM PDT            3.33            421         -      Not Applicable
  05/07/2026 09 AM PDT            3.33            421         0      Not Applicable
  05/07/2026 10 AM PDT            3.33            421         0      Not Applicable
  05/07/2026 11 AM PDT            3.33            421         0      Not Applicable
  05/07/2026 12 PM PDT            3.33            421         0      Not Applicable
  05/07/2026 01 PM PDT            3.33            421         0      Not Applicable
  05/07/2026 02 PM PDT            3.33            421         0      Not Applicable
  05/07/2026 03 PM PDT            3.33            421         0      Not Applicable
  05/07/2026 04 PM PDT            3.33            421         0      Not Applicable
  05/07/2026 05 PM PDT            3.32            418         -      Not Applicable
  05/07/2026 06 PM PDT            3.32            418         0      Not Applicable
  05/07/2026 07 PM PDT            3.32            418         0      Not Applicable
  05/07/2026 08 PM PDT            3.32            418         0      Not Applicable
  05/07/2026 09 PM PDT            3.32            418         0      Not Applicable
  05/07/2026 10 PM PDT            3.32            418         0      Not Applicable
  05/07/2026 11 PM PDT            3.32            418         0      Not Applicable
  05/08/2026 12 AM PDT            3.31            414         -      Not Applicable
  05/08/2026 01 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 02 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 03 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 04 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 05 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 06 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 07 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 08 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 09 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 10 AM PDT            3.31            414         0      Not Applicable
  05/08/2026 11 AM PDT            3.30            411         -      Not Applicable
  05/08/2026 12 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 01 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 02 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 03 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 04 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 05 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 06 PM PDT            3.30            411         0      Not Applicable
  05/08/2026 07 PM PDT            3.29            408         -      Not Applicable
  05/08/2026 08 PM PDT            3.29            408         0      Not Applicable
  05/08/2026 09 PM PDT            3.29            408         0      Not Applicable
  05/08/2026 10 PM PDT            3.29            408         0      Not Applicable
  05/08/2026 11 PM PDT            3.29            408         0      Not Applicable
  05/09/2026 12 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 01 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 02 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 03 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 04 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 05 AM PDT            3.29            408         0      Not Applicable
  05/09/2026 06 AM PDT            3.28            405         -      Not Applicable
  05/09/2026 07 AM PDT            3.28            405         0      Not Applicable
  05/09/2026 08 AM PDT            3.28            405         0      Not Applicable
  05/09/2026 09 AM PDT            3.28            405         0      Not Applicable
  05/09/2026 10 AM PDT            3.28            405         0      Not Applicable
  05/09/2026 11 AM PDT            3.28            405         0      Not Applicable
  05/09/2026 12 PM PDT            3.28            405         0      Not Applicable
  05/09/2026 01 PM PDT            3.28            405         0      Not Applicable
  05/09/2026 02 PM PDT            3.28            405         0      Not Applicable
  05/09/2026 03 PM PDT            3.27            401         -      Not Applicable
  05/09/2026 04 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 05 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 06 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 07 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 08 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 09 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 10 PM PDT            3.27            401         0      Not Applicable
  05/09/2026 11 PM PDT            3.27            401         0      Not Applicable
  05/10/2026 12 AM PDT            3.27            401         0      Not Applicable
  05/10/2026 01 AM PDT            3.27            401         0      Not Applicable
  05/10/2026 02 AM PDT            3.27            401         0      Not Applicable
  05/10/2026 03 AM PDT            3.26            398         -      Not Applicable
  05/10/2026 04 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 05 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 06 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 07 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 08 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 09 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 10 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 11 AM PDT            3.26            398         0      Not Applicable
  05/10/2026 12 PM PDT            3.25            395         -      Not Applicable
  05/10/2026 01 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 02 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 03 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 04 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 05 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 06 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 07 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 08 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 09 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 10 PM PDT            3.25            395         0      Not Applicable
  05/10/2026 11 PM PDT            3.25            395         0      Not Applicable
  05/11/2026 12 AM PDT            3.24            392         -      Not Applicable
  05/11/2026 01 AM PDT            3.24            392         0      Not Applicable
  05/11/2026 02 AM PDT            3.24            392         0      Not Applicable
  05/11/2026 03 AM PDT            3.24            392         0      Not Applicable
  05/11/2026 04 AM PDT            3.24            392         0      Not Applicable
  05/11/2026 05 AM PDT            3.24            392         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.