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 09 2026 at 12:51 PM PDTNext Issuance: Apr 10 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:  04/09/2026 at 12:53 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/04/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       3.29 Feet
# Maximum Observed Flow:                        383 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       4.07 Feet
# Maximum Forecast Flow:                        664 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/04/2026 12 PM PDT            3.29            383                Not Applicable
  04/04/2026 01 PM PDT            3.28            379         -      Not Applicable
  04/04/2026 02 PM PDT            3.28            379         0      Not Applicable
  04/04/2026 03 PM PDT            3.28            379         0      Not Applicable
  04/04/2026 04 PM PDT            3.27            376         -      Not Applicable
  04/04/2026 05 PM PDT            3.26            373         -      Not Applicable
  04/04/2026 06 PM PDT            3.26            373         0      Not Applicable
  04/04/2026 07 PM PDT            3.27            376         +      Not Applicable
  04/04/2026 08 PM PDT            3.27            376         0      Not Applicable
  04/04/2026 09 PM PDT            3.26            373         -      Not Applicable
  04/04/2026 10 PM PDT            3.27            376         +      Not Applicable
  04/04/2026 11 PM PDT            3.26            373         -      Not Applicable
  04/05/2026 12 AM PDT            3.25            370         -      Not Applicable
  04/05/2026 01 AM PDT            3.25            370         0      Not Applicable
  04/05/2026 02 AM PDT            3.25            370         0      Not Applicable
  04/05/2026 03 AM PDT            3.24            367         -      Not Applicable
  04/05/2026 04 AM PDT            3.24            367         0      Not Applicable
  04/05/2026 05 AM PDT            3.23            364         -      Not Applicable
  04/05/2026 06 AM PDT            3.23            364         0      Not Applicable
  04/05/2026 07 AM PDT            3.23            364         0      Not Applicable
  04/05/2026 08 AM PDT            3.23            364         0      Not Applicable
  04/05/2026 09 AM PDT            3.23            364         0      Not Applicable
  04/05/2026 10 AM PDT            3.22            361         -      Not Applicable
  04/05/2026 11 AM PDT            3.23            364         +      Not Applicable
  04/05/2026 12 PM PDT            3.22            361         -      Not Applicable
  04/05/2026 01 PM PDT            3.22            361         0      Not Applicable
  04/05/2026 02 PM PDT            3.22            361         0      Not Applicable
  04/05/2026 03 PM PDT            3.22            361         0      Not Applicable
  04/05/2026 04 PM PDT            3.21            358         -      Not Applicable
  04/05/2026 05 PM PDT            3.20            355         -      Not Applicable
  04/05/2026 06 PM PDT            3.20            355         0      Not Applicable
  04/05/2026 07 PM PDT            3.21            358         +      Not Applicable
  04/05/2026 08 PM PDT            3.19            352         -      Not Applicable
  04/05/2026 09 PM PDT            3.20            355         +      Not Applicable
  04/05/2026 10 PM PDT            3.21            358         +      Not Applicable
  04/05/2026 11 PM PDT            3.21            358         0      Not Applicable
  04/06/2026 12 AM PDT            3.20            355         -      Not Applicable
  04/06/2026 01 AM PDT            3.21            358         +      Not Applicable
  04/06/2026 02 AM PDT            3.21            358         0      Not Applicable
  04/06/2026 03 AM PDT            3.20            355         -      Not Applicable
  04/06/2026 04 AM PDT            3.20            355         0      Not Applicable
  04/06/2026 05 AM PDT            3.19            352         -      Not Applicable
  04/06/2026 06 AM PDT            3.18            349         -      Not Applicable
  04/06/2026 07 AM PDT            3.19            352         +      Not Applicable
  04/06/2026 08 AM PDT            3.17            346         -      Not Applicable
  04/06/2026 09 AM PDT            3.17            346         0      Not Applicable
  04/06/2026 10 AM PDT            3.18            349         +      Not Applicable
  04/06/2026 11 AM PDT            3.19            352         +      Not Applicable
  04/06/2026 12 PM PDT            3.18            349         -      Not Applicable
  04/06/2026 01 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 02 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 03 PM PDT            3.18            349         0      Not Applicable
  04/06/2026 04 PM PDT            3.17            346         -      Not Applicable
  04/06/2026 05 PM PDT            3.16            343         -      Not Applicable
  04/06/2026 06 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 07 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 08 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 09 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 10 PM PDT            3.16            343         0      Not Applicable
  04/06/2026 11 PM PDT            3.14            337         -      Not Applicable
  04/07/2026 12 AM PDT            3.16            343         +      Not Applicable
  04/07/2026 01 AM PDT            3.14            337         -      Not Applicable
  04/07/2026 02 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 03 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 04 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 05 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 06 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 07 AM PDT            3.14            337         0      Not Applicable
  04/07/2026 08 AM PDT            3.15            340         +      Not Applicable
  04/07/2026 09 AM PDT            3.16            343         +      Not Applicable
  04/07/2026 10 AM PDT            3.16            343         0      Not Applicable
  04/07/2026 11 AM PDT            3.18            349         +      Not Applicable
  04/07/2026 12 PM PDT            3.20            355         +      Not Applicable
  04/07/2026 01 PM PDT            3.19            352         -      Not Applicable
  04/07/2026 02 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 03 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 04 PM PDT            3.19            352         0      Not Applicable
  04/07/2026 05 PM PDT            3.16            343         -      Not Applicable
  04/07/2026 06 PM PDT            3.16            343         0      Not Applicable
  04/07/2026 07 PM PDT            3.16            343         0      Not Applicable
  04/07/2026 08 PM PDT            3.14            337         -      Not Applicable
  04/07/2026 09 PM PDT            3.15            340         +      Not Applicable
  04/07/2026 10 PM PDT            3.15            340         0      Not Applicable
  04/07/2026 11 PM PDT            3.15            340         0      Not Applicable
  04/08/2026 12 AM PDT            3.15            340         0      Not Applicable
  04/08/2026 01 AM PDT            3.13            334         -      Not Applicable
  04/08/2026 02 AM PDT            3.13            334         0      Not Applicable
  04/08/2026 03 AM PDT            3.13            334         0      Not Applicable
  04/08/2026 04 AM PDT            3.12            332         -      Not Applicable
  04/08/2026 05 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 06 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 07 AM PDT            3.11            329         -      Not Applicable
  04/08/2026 08 AM PDT            3.12            332         +      Not Applicable
  04/08/2026 09 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 10 AM PDT            3.12            332         0      Not Applicable
  04/08/2026 11 AM PDT            3.11            329         -      Not Applicable
  04/08/2026 12 PM PDT            3.13            334         +      Not Applicable
  04/08/2026 01 PM PDT            3.12            332         -      Not Applicable
  04/08/2026 02 PM PDT            3.12            332         0      Not Applicable
  04/08/2026 03 PM PDT            3.11            329         -      Not Applicable
  04/08/2026 04 PM PDT            3.10            326         -      Not Applicable
  04/08/2026 05 PM PDT            3.11            329         +      Not Applicable
  04/08/2026 06 PM PDT            3.10            326         -      Not Applicable
  04/08/2026 07 PM PDT            3.12            332         +      Not Applicable
  04/08/2026 08 PM PDT            3.11            329         -      Not Applicable
  04/08/2026 09 PM PDT            3.11            329         0      Not Applicable
  04/08/2026 10 PM PDT            3.13            334         +      Not Applicable
  04/08/2026 11 PM PDT            3.13            334         0      Not Applicable
  04/09/2026 12 AM PDT            3.12            332         -      Not Applicable
  04/09/2026 01 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 02 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 03 AM PDT            3.12            332         0      Not Applicable
  04/09/2026 04 AM PDT            3.13            334         +      Not Applicable
  04/09/2026 05 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 06 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 07 AM PDT            3.13            334         0      Not Applicable
  04/09/2026 08 AM PDT            3.15            340         +      Not Applicable
  04/09/2026 09 AM PDT            3.15            340         0      Not Applicable
  04/09/2026 10 AM PDT            3.16            343         +      Not Applicable
  04/09/2026 11 AM PDT            3.17            346         +      Not Applicable
  04/09/2026 12 PM PDT            3.17            346         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/09/2026 01 PM PDT            3.17            346                Not Applicable
  04/09/2026 02 PM PDT            3.17            346         0      Not Applicable
  04/09/2026 03 PM PDT            3.17            346         0      Not Applicable
  04/09/2026 04 PM PDT            3.17            346         0      Not Applicable
  04/09/2026 05 PM PDT            3.17            346         0      Not Applicable
  04/09/2026 06 PM PDT            3.18            349         +      Not Applicable
  04/09/2026 07 PM PDT            3.19            352         +      Not Applicable
  04/09/2026 08 PM PDT            3.19            352         0      Not Applicable
  04/09/2026 09 PM PDT            3.21            358         +      Not Applicable
  04/09/2026 10 PM PDT            3.22            361         +      Not Applicable
  04/09/2026 11 PM PDT            3.23            364         +      Not Applicable
  04/10/2026 12 AM PDT            3.24            367         +      Not Applicable
  04/10/2026 01 AM PDT            3.25            370         +      Not Applicable
  04/10/2026 02 AM PDT            3.27            376         +      Not Applicable
  04/10/2026 03 AM PDT            3.27            376         0      Not Applicable
  04/10/2026 04 AM PDT            3.28            379         +      Not Applicable
  04/10/2026 05 AM PDT            3.29            383         +      Not Applicable
  04/10/2026 06 AM PDT            3.29            383         0      Not Applicable
  04/10/2026 07 AM PDT            3.30            386         +      Not Applicable
  04/10/2026 08 AM PDT            3.30            386         0      Not Applicable
  04/10/2026 09 AM PDT            3.30            386         0      Not Applicable
  04/10/2026 10 AM PDT            3.30            386         0      Not Applicable
  04/10/2026 11 AM PDT            3.30            386         0      Not Applicable
  04/10/2026 12 PM PDT            3.30            386         0      Not Applicable
  04/10/2026 01 PM PDT            3.30            386         0      Not Applicable
  04/10/2026 02 PM PDT            3.31            389         +      Not Applicable
  04/10/2026 03 PM PDT            3.31            389         0      Not Applicable
  04/10/2026 04 PM PDT            3.31            389         0      Not Applicable
  04/10/2026 05 PM PDT            3.32            392         +      Not Applicable
  04/10/2026 06 PM PDT            3.32            392         0      Not Applicable
  04/10/2026 07 PM PDT            3.33            395         +      Not Applicable
  04/10/2026 08 PM PDT            3.34            398         +      Not Applicable
  04/10/2026 09 PM PDT            3.35            401         +      Not Applicable
  04/10/2026 10 PM PDT            3.36            405         +      Not Applicable
  04/10/2026 11 PM PDT            3.38            411         +      Not Applicable
  04/11/2026 12 AM PDT            3.39            414         +      Not Applicable
  04/11/2026 01 AM PDT            3.40            418         +      Not Applicable
  04/11/2026 02 AM PDT            3.42            424         +      Not Applicable
  04/11/2026 03 AM PDT            3.43            427         +      Not Applicable
  04/11/2026 04 AM PDT            3.44            431         +      Not Applicable
  04/11/2026 05 AM PDT            3.46            437         +      Not Applicable
  04/11/2026 06 AM PDT            3.47            441         +      Not Applicable
  04/11/2026 07 AM PDT            3.48            444         +      Not Applicable
  04/11/2026 08 AM PDT            3.49            447         +      Not Applicable
  04/11/2026 09 AM PDT            3.50            451         +      Not Applicable
  04/11/2026 10 AM PDT            3.50            451         0      Not Applicable
  04/11/2026 11 AM PDT            3.51            454         +      Not Applicable
  04/11/2026 12 PM PDT            3.52            458         +      Not Applicable
  04/11/2026 01 PM PDT            3.53            461         +      Not Applicable
  04/11/2026 02 PM PDT            3.53            461         0      Not Applicable
  04/11/2026 03 PM PDT            3.54            464         +      Not Applicable
  04/11/2026 04 PM PDT            3.56            471         +      Not Applicable
  04/11/2026 05 PM PDT            3.57            475         +      Not Applicable
  04/11/2026 06 PM PDT            3.59            482         +      Not Applicable
  04/11/2026 07 PM PDT            3.62            492         +      Not Applicable
  04/11/2026 08 PM PDT            3.64            499         +      Not Applicable
  04/11/2026 09 PM PDT            3.67            510         +      Not Applicable
  04/11/2026 10 PM PDT            3.71            525         +      Not Applicable
  04/11/2026 11 PM PDT            3.75            539         +      Not Applicable
  04/12/2026 12 AM PDT            3.79            554         +      Not Applicable
  04/12/2026 01 AM PDT            3.83            569         +      Not Applicable
  04/12/2026 02 AM PDT            3.87            585         +      Not Applicable
  04/12/2026 03 AM PDT            3.90            596         +      Not Applicable
  04/12/2026 04 AM PDT            3.94            612         +      Not Applicable
  04/12/2026 05 AM PDT            3.96            620         +      Not Applicable
  04/12/2026 06 AM PDT            3.99            632         +      Not Applicable
  04/12/2026 07 AM PDT            4.01            640         +      Not Applicable
  04/12/2026 08 AM PDT            4.02            644         +      Not Applicable
  04/12/2026 09 AM PDT            4.04            652         +      Not Applicable
  04/12/2026 10 AM PDT            4.05            656         +      Not Applicable
  04/12/2026 11 AM PDT            4.06            660         +      Not Applicable
  04/12/2026 12 PM PDT            4.06            660         0      Not Applicable
  04/12/2026 01 PM PDT            4.07            664         +      Not Applicable
  04/12/2026 02 PM PDT            4.07            664         0      Not Applicable
  04/12/2026 03 PM PDT            4.07            664         0      Not Applicable
  04/12/2026 04 PM PDT            4.07            664         0      Not Applicable
  04/12/2026 05 PM PDT            4.07            664         0      Not Applicable
  04/12/2026 06 PM PDT            4.07            664         0      Not Applicable
  04/12/2026 07 PM PDT            4.06            660         -      Not Applicable
  04/12/2026 08 PM PDT            4.06            660         0      Not Applicable
  04/12/2026 09 PM PDT            4.05            656         -      Not Applicable
  04/12/2026 10 PM PDT            4.04            652         -      Not Applicable
  04/12/2026 11 PM PDT            4.03            648         -      Not Applicable
  04/13/2026 12 AM PDT            4.02            644         -      Not Applicable
  04/13/2026 01 AM PDT            4.02            644         0      Not Applicable
  04/13/2026 02 AM PDT            4.01            640         -      Not Applicable
  04/13/2026 03 AM PDT            4.00            636         -      Not Applicable
  04/13/2026 04 AM PDT            3.99            632         -      Not Applicable
  04/13/2026 05 AM PDT            3.99            632         0      Not Applicable
  04/13/2026 06 AM PDT            3.98            628         -      Not Applicable
  04/13/2026 07 AM PDT            3.97            624         -      Not Applicable
  04/13/2026 08 AM PDT            3.97            624         0      Not Applicable
  04/13/2026 09 AM PDT            3.96            620         -      Not Applicable
  04/13/2026 10 AM PDT            3.95            616         -      Not Applicable
  04/13/2026 11 AM PDT            3.94            612         -      Not Applicable
  04/13/2026 12 PM PDT            3.94            612         0      Not Applicable
  04/13/2026 01 PM PDT            3.93            608         -      Not Applicable
  04/13/2026 02 PM PDT            3.92            604         -      Not Applicable
  04/13/2026 03 PM PDT            3.91            600         -      Not Applicable
  04/13/2026 04 PM PDT            3.90            596         -      Not Applicable
  04/13/2026 05 PM PDT            3.89            592         -      Not Applicable
  04/13/2026 06 PM PDT            3.88            589         -      Not Applicable
  04/13/2026 07 PM PDT            3.87            585         -      Not Applicable
  04/13/2026 08 PM PDT            3.86            581         -      Not Applicable
  04/13/2026 09 PM PDT            3.86            581         0      Not Applicable
  04/13/2026 10 PM PDT            3.85            577         -      Not Applicable
  04/13/2026 11 PM PDT            3.85            577         0      Not Applicable
  04/14/2026 12 AM PDT            3.84            573         -      Not Applicable
  04/14/2026 01 AM PDT            3.84            573         0      Not Applicable
  04/14/2026 02 AM PDT            3.84            573         0      Not Applicable
  04/14/2026 03 AM PDT            3.84            573         0      Not Applicable
  04/14/2026 04 AM PDT            3.84            573         0      Not Applicable
  04/14/2026 05 AM PDT            3.83            569         -      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.