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: Apr 14 2026 at 1:47 PM PDTNext Issuance: Apr 15 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:  04/14/2026 at 01:49 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/13/2026 at 12:00 AM PDT
# Maximum Observed Stage:                       4.77 Feet
# Maximum Observed Flow:                        984 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/15/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       4.15 Feet
# Maximum Forecast Flow:                        698 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/09/2026 01 PM PDT            3.19            352                Not Applicable
  04/09/2026 02 PM PDT            3.19            352         0      Not Applicable
  04/09/2026 03 PM PDT            3.22            361         +      Not Applicable
  04/09/2026 04 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 05 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 06 PM PDT            3.22            361         0      Not Applicable
  04/09/2026 07 PM PDT            3.21            358         -      Not Applicable
  04/09/2026 08 PM PDT            3.21            358         0      Not Applicable
  04/09/2026 09 PM PDT            3.20            355         -      Not Applicable
  04/09/2026 10 PM PDT            3.20            355         0      Not Applicable
  04/09/2026 11 PM PDT            3.20            355         0      Not Applicable
  04/10/2026 12 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 01 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 02 AM PDT            3.19            352         -      Not Applicable
  04/10/2026 03 AM PDT            3.19            352         0      Not Applicable
  04/10/2026 04 AM PDT            3.19            352         0      Not Applicable
  04/10/2026 05 AM PDT            3.20            355         +      Not Applicable
  04/10/2026 06 AM PDT            3.20            355         0      Not Applicable
  04/10/2026 07 AM PDT            3.23            364         +      Not Applicable
  04/10/2026 08 AM PDT            3.25            370         +      Not Applicable
  04/10/2026 09 AM PDT            3.29            383         +      Not Applicable
  04/10/2026 10 AM PDT            3.32            392         +      Not Applicable
  04/10/2026 11 AM PDT            3.40            418         +      Not Applicable
  04/10/2026 12 PM PDT            3.44            431         +      Not Applicable
  04/10/2026 01 PM PDT            3.46            437         +      Not Applicable
  04/10/2026 02 PM PDT            3.48            444         +      Not Applicable
  04/10/2026 03 PM PDT            3.48            444         0      Not Applicable
  04/10/2026 04 PM PDT            3.47            441         -      Not Applicable
  04/10/2026 05 PM PDT            3.45            434         -      Not Applicable
  04/10/2026 06 PM PDT            3.45            434         0      Not Applicable
  04/10/2026 07 PM PDT            3.45            434         0      Not Applicable
  04/10/2026 08 PM PDT            3.46            437         +      Not Applicable
  04/10/2026 09 PM PDT            3.47            441         +      Not Applicable
  04/10/2026 10 PM PDT            3.49            447         +      Not Applicable
  04/10/2026 11 PM PDT            3.49            447         0      Not Applicable
  04/11/2026 12 AM PDT            3.47            441         -      Not Applicable
  04/11/2026 01 AM PDT            3.47            441         0      Not Applicable
  04/11/2026 02 AM PDT            3.45            434         -      Not Applicable
  04/11/2026 03 AM PDT            3.46            437         +      Not Applicable
  04/11/2026 04 AM PDT            3.44            431         -      Not Applicable
  04/11/2026 05 AM PDT            3.45            434         +      Not Applicable
  04/11/2026 06 AM PDT            3.45            434         0      Not Applicable
  04/11/2026 07 AM PDT            3.47            441         +      Not Applicable
  04/11/2026 08 AM PDT            3.47            441         0      Not Applicable
  04/11/2026 09 AM PDT            3.50            451         +      Not Applicable
  04/11/2026 10 AM PDT            3.48            444         -      Not Applicable
  04/11/2026 11 AM PDT            3.52            458         +      Not Applicable
  04/11/2026 12 PM PDT            3.51            454         -      Not Applicable
  04/11/2026 01 PM PDT            3.53            461         +      Not Applicable
  04/11/2026 02 PM PDT            3.54            464         +      Not Applicable
  04/11/2026 03 PM PDT            3.54            464         0      Not Applicable
  04/11/2026 04 PM PDT            3.56            471         +      Not Applicable
  04/11/2026 05 PM PDT            3.55            468         -      Not Applicable
  04/11/2026 06 PM PDT            3.55            468         0      Not Applicable
  04/11/2026 07 PM PDT            3.59            482         +      Not Applicable
  04/11/2026 08 PM PDT            3.63            496         +      Not Applicable
  04/11/2026 09 PM PDT            3.60            485         -      Not Applicable
  04/11/2026 10 PM PDT            3.59            482         -      Not Applicable
  04/11/2026 11 PM PDT            3.58            478         -      Not Applicable
  04/12/2026 12 AM PDT            3.59            482         +      Not Applicable
  04/12/2026 01 AM PDT            3.59            482         0      Not Applicable
  04/12/2026 02 AM PDT            3.58            478         -      Not Applicable
  04/12/2026 03 AM PDT            3.59            482         +      Not Applicable
  04/12/2026 04 AM PDT            3.59            482         0      Not Applicable
  04/12/2026 05 AM PDT            3.59            482         0      Not Applicable
  04/12/2026 06 AM PDT            3.57            475         -      Not Applicable
  04/12/2026 07 AM PDT            3.57            475         0      Not Applicable
  04/12/2026 08 AM PDT            3.60            485         +      Not Applicable
  04/12/2026 09 AM PDT            3.61            489         +      Not Applicable
  04/12/2026 10 AM PDT            3.65            503         +      Not Applicable
  04/12/2026 11 AM PDT            3.67            510         +      Not Applicable
  04/12/2026 12 PM PDT            3.68            514         +      Not Applicable
  04/12/2026 01 PM PDT            3.77            547         +      Not Applicable
  04/12/2026 02 PM PDT            3.82            566         +      Not Applicable
  04/12/2026 03 PM PDT            3.92            604         +      Not Applicable
  04/12/2026 04 PM PDT            3.99            632         +      Not Applicable
  04/12/2026 05 PM PDT            4.10            677         +      Not Applicable
  04/12/2026 06 PM PDT            4.23            732         +      Not Applicable
  04/12/2026 07 PM PDT            4.37            794         +      Not Applicable
  04/12/2026 08 PM PDT            4.40            807         +      Not Applicable
  04/12/2026 09 PM PDT            4.45            830         +      Not Applicable
  04/12/2026 10 PM PDT            4.60            901         +      Not Applicable
  04/12/2026 11 PM PDT            4.77            984         +      Not Applicable
  04/13/2026 12 AM PDT            4.77            984         0      Not Applicable
  04/13/2026 01 AM PDT            4.67            935         -      Not Applicable
  04/13/2026 02 AM PDT            4.59            896         -      Not Applicable
  04/13/2026 03 AM PDT            4.52            863         -      Not Applicable
  04/13/2026 04 AM PDT            4.47            839         -      Not Applicable
  04/13/2026 05 AM PDT            4.44            826         -      Not Applicable
  04/13/2026 06 AM PDT            4.40            807         -      Not Applicable
  04/13/2026 07 AM PDT            4.38            798         -      Not Applicable
  04/13/2026 08 AM PDT            4.37            794         -      Not Applicable
  04/13/2026 09 AM PDT            4.38            798         +      Not Applicable
  04/13/2026 10 AM PDT            4.37            794         -      Not Applicable
  04/13/2026 11 AM PDT            4.34            780         -      Not Applicable
  04/13/2026 12 PM PDT            4.34            780         0      Not Applicable
  04/13/2026 01 PM PDT            4.32            771         -      Not Applicable
  04/13/2026 02 PM PDT            4.30            762         -      Not Applicable
  04/13/2026 03 PM PDT            4.27            749         -      Not Applicable
  04/13/2026 04 PM PDT            4.26            745         -      Not Applicable
  04/13/2026 05 PM PDT            4.23            732         -      Not Applicable
  04/13/2026 06 PM PDT            4.22            728         -      Not Applicable
  04/13/2026 07 PM PDT            4.19            715         -      Not Applicable
  04/13/2026 08 PM PDT            4.18            710         -      Not Applicable
  04/13/2026 09 PM PDT            4.15            698         -      Not Applicable
  04/13/2026 10 PM PDT            4.15            698         0      Not Applicable
  04/13/2026 11 PM PDT            4.13            689         -      Not Applicable
  04/14/2026 12 AM PDT            4.10            677         -      Not Applicable
  04/14/2026 01 AM PDT            4.07            664         -      Not Applicable
  04/14/2026 02 AM PDT            4.04            652         -      Not Applicable
  04/14/2026 03 AM PDT            4.02            644         -      Not Applicable
  04/14/2026 04 AM PDT            4.00            636         -      Not Applicable
  04/14/2026 05 AM PDT            3.99            632         -      Not Applicable
  04/14/2026 06 AM PDT            3.96            620         -      Not Applicable
  04/14/2026 07 AM PDT            3.95            616         -      Not Applicable
  04/14/2026 08 AM PDT            3.92            604         -      Not Applicable
  04/14/2026 09 AM PDT            3.94            612         +      Not Applicable
  04/14/2026 10 AM PDT            3.90            596         -      Not Applicable
  04/14/2026 11 AM PDT            3.88            589         -      Not Applicable
  04/14/2026 12 PM PDT            3.89            592         +      Not Applicable
  04/14/2026 01 PM PDT            3.89            592         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/14/2026 02 PM PDT            3.90            596                Not Applicable
  04/14/2026 03 PM PDT            3.90            596         0      Not Applicable
  04/14/2026 04 PM PDT            3.91            600         +      Not Applicable
  04/14/2026 05 PM PDT            3.92            604         +      Not Applicable
  04/14/2026 06 PM PDT            3.93            608         +      Not Applicable
  04/14/2026 07 PM PDT            3.94            612         +      Not Applicable
  04/14/2026 08 PM PDT            3.96            620         +      Not Applicable
  04/14/2026 09 PM PDT            3.97            624         +      Not Applicable
  04/14/2026 10 PM PDT            3.98            628         +      Not Applicable
  04/14/2026 11 PM PDT            3.99            632         +      Not Applicable
  04/15/2026 12 AM PDT            4.00            636         +      Not Applicable
  04/15/2026 01 AM PDT            4.01            640         +      Not Applicable
  04/15/2026 02 AM PDT            4.03            648         +      Not Applicable
  04/15/2026 03 AM PDT            4.04            652         +      Not Applicable
  04/15/2026 04 AM PDT            4.04            652         0      Not Applicable
  04/15/2026 05 AM PDT            4.05            656         +      Not Applicable
  04/15/2026 06 AM PDT            4.06            660         +      Not Applicable
  04/15/2026 07 AM PDT            4.07            664         +      Not Applicable
  04/15/2026 08 AM PDT            4.07            664         0      Not Applicable
  04/15/2026 09 AM PDT            4.07            664         0      Not Applicable
  04/15/2026 10 AM PDT            4.08            669         +      Not Applicable
  04/15/2026 11 AM PDT            4.08            669         0      Not Applicable
  04/15/2026 12 PM PDT            4.08            669         0      Not Applicable
  04/15/2026 01 PM PDT            4.09            673         +      Not Applicable
  04/15/2026 02 PM PDT            4.09            673         0      Not Applicable
  04/15/2026 03 PM PDT            4.09            673         0      Not Applicable
  04/15/2026 04 PM PDT            4.10            677         +      Not Applicable
  04/15/2026 05 PM PDT            4.11            681         +      Not Applicable
  04/15/2026 06 PM PDT            4.11            681         0      Not Applicable
  04/15/2026 07 PM PDT            4.12            685         +      Not Applicable
  04/15/2026 08 PM PDT            4.13            689         +      Not Applicable
  04/15/2026 09 PM PDT            4.13            689         0      Not Applicable
  04/15/2026 10 PM PDT            4.14            694         +      Not Applicable
  04/15/2026 11 PM PDT            4.15            698         +      Not Applicable
  04/16/2026 12 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 01 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 02 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 03 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 04 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 05 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 06 AM PDT            4.15            698         0      Not Applicable
  04/16/2026 07 AM PDT            4.14            694         -      Not Applicable
  04/16/2026 08 AM PDT            4.14            694         0      Not Applicable
  04/16/2026 09 AM PDT            4.13            689         -      Not Applicable
  04/16/2026 10 AM PDT            4.13            689         0      Not Applicable
  04/16/2026 11 AM PDT            4.12            685         -      Not Applicable
  04/16/2026 12 PM PDT            4.11            681         -      Not Applicable
  04/16/2026 01 PM PDT            4.11            681         0      Not Applicable
  04/16/2026 02 PM PDT            4.10            677         -      Not Applicable
  04/16/2026 03 PM PDT            4.09            673         -      Not Applicable
  04/16/2026 04 PM PDT            4.08            669         -      Not Applicable
  04/16/2026 05 PM PDT            4.07            664         -      Not Applicable
  04/16/2026 06 PM PDT            4.07            664         0      Not Applicable
  04/16/2026 07 PM PDT            4.06            660         -      Not Applicable
  04/16/2026 08 PM PDT            4.05            656         -      Not Applicable
  04/16/2026 09 PM PDT            4.04            652         -      Not Applicable
  04/16/2026 10 PM PDT            4.03            648         -      Not Applicable
  04/16/2026 11 PM PDT            4.03            648         0      Not Applicable
  04/17/2026 12 AM PDT            4.02            644         -      Not Applicable
  04/17/2026 01 AM PDT            4.01            640         -      Not Applicable
  04/17/2026 02 AM PDT            4.00            636         -      Not Applicable
  04/17/2026 03 AM PDT            4.00            636         0      Not Applicable
  04/17/2026 04 AM PDT            3.99            632         -      Not Applicable
  04/17/2026 05 AM PDT            3.98            628         -      Not Applicable
  04/17/2026 06 AM PDT            3.98            628         0      Not Applicable
  04/17/2026 07 AM PDT            3.97            624         -      Not Applicable
  04/17/2026 08 AM PDT            3.97            624         0      Not Applicable
  04/17/2026 09 AM PDT            3.96            620         -      Not Applicable
  04/17/2026 10 AM PDT            3.96            620         0      Not Applicable
  04/17/2026 11 AM PDT            3.95            616         -      Not Applicable
  04/17/2026 12 PM PDT            3.95            616         0      Not Applicable
  04/17/2026 01 PM PDT            3.94            612         -      Not Applicable
  04/17/2026 02 PM PDT            3.94            612         0      Not Applicable
  04/17/2026 03 PM PDT            3.93            608         -      Not Applicable
  04/17/2026 04 PM PDT            3.93            608         0      Not Applicable
  04/17/2026 05 PM PDT            3.92            604         -      Not Applicable
  04/17/2026 06 PM PDT            3.92            604         0      Not Applicable
  04/17/2026 07 PM PDT            3.92            604         0      Not Applicable
  04/17/2026 08 PM PDT            3.91            600         -      Not Applicable
  04/17/2026 09 PM PDT            3.91            600         0      Not Applicable
  04/17/2026 10 PM PDT            3.91            600         0      Not Applicable
  04/17/2026 11 PM PDT            3.91            600         0      Not Applicable
  04/18/2026 12 AM PDT            3.91            600         0      Not Applicable
  04/18/2026 01 AM PDT            3.91            600         0      Not Applicable
  04/18/2026 02 AM PDT            3.91            600         0      Not Applicable
  04/18/2026 03 AM PDT            3.91            600         0      Not Applicable
  04/18/2026 04 AM PDT            3.90            596         -      Not Applicable
  04/18/2026 05 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 06 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 07 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 08 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 09 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 10 AM PDT            3.90            596         0      Not Applicable
  04/18/2026 11 AM PDT            3.89            592         -      Not Applicable
  04/18/2026 12 PM PDT            3.89            592         0      Not Applicable
  04/18/2026 01 PM PDT            3.89            592         0      Not Applicable
  04/18/2026 02 PM PDT            3.89            592         0      Not Applicable
  04/18/2026 03 PM PDT            3.88            589         -      Not Applicable
  04/18/2026 04 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 05 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 06 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 07 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 08 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 09 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 10 PM PDT            3.88            589         0      Not Applicable
  04/18/2026 11 PM PDT            3.88            589         0      Not Applicable
  04/19/2026 12 AM PDT            3.88            589         0      Not Applicable
  04/19/2026 01 AM PDT            3.88            589         0      Not Applicable
  04/19/2026 02 AM PDT            3.88            589         0      Not Applicable
  04/19/2026 03 AM PDT            3.87            585         -      Not Applicable
  04/19/2026 04 AM PDT            3.87            585         0      Not Applicable
  04/19/2026 05 AM PDT            3.87            585         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.