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: Mar 13 2026 at 12:59 PM PDTNext Issuance: Mar 14 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:  03/13/2026 at 01:01 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/08/2026 at 05:00 PM PDT
# Maximum Observed Stage:                       5.55 Feet
# Maximum Observed Flow:                        1415 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/13/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       4.66 Feet
# Maximum Forecast Flow:                        930 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/08/2026 01 PM PDT            5.55           1415                Not Applicable
  03/08/2026 02 PM PDT            5.55           1415         0      Not Applicable
  03/08/2026 03 PM PDT            5.55           1415         0      Not Applicable
  03/08/2026 04 PM PDT            5.52           1397         -      Not Applicable
  03/08/2026 05 PM PDT            5.55           1415         +      Not Applicable
  03/08/2026 06 PM PDT            5.51           1391         -      Not Applicable
  03/08/2026 07 PM PDT            5.49           1379         -      Not Applicable
  03/08/2026 08 PM PDT            5.47           1367         -      Not Applicable
  03/08/2026 09 PM PDT            5.49           1379         +      Not Applicable
  03/08/2026 10 PM PDT            5.49           1379         0      Not Applicable
  03/08/2026 11 PM PDT            5.48           1373         -      Not Applicable
  03/09/2026 12 AM PDT            5.43           1344         -      Not Applicable
  03/09/2026 01 AM PDT            5.44           1350         +      Not Applicable
  03/09/2026 02 AM PDT            5.44           1350         0      Not Applicable
  03/09/2026 03 AM PDT            5.44           1350         0      Not Applicable
  03/09/2026 04 AM PDT            5.42           1338         -      Not Applicable
  03/09/2026 05 AM PDT            5.41           1332         -      Not Applicable
  03/09/2026 06 AM PDT            5.41           1332         0      Not Applicable
  03/09/2026 07 AM PDT            5.40           1326         -      Not Applicable
  03/09/2026 08 AM PDT            5.36           1303         -      Not Applicable
  03/09/2026 09 AM PDT            5.36           1303         0      Not Applicable
  03/09/2026 10 AM PDT            5.34           1291         -      Not Applicable
  03/09/2026 11 AM PDT            5.35           1297         +      Not Applicable
  03/09/2026 12 PM PDT            5.34           1291         -      Not Applicable
  03/09/2026 01 PM PDT            5.33           1286         -      Not Applicable
  03/09/2026 02 PM PDT            5.36           1303         +      Not Applicable
  03/09/2026 03 PM PDT            5.36           1303         0      Not Applicable
  03/09/2026 04 PM PDT            5.33           1286         -      Not Applicable
  03/09/2026 05 PM PDT            5.31           1274         -      Not Applicable
  03/09/2026 06 PM PDT            5.32           1280         +      Not Applicable
  03/09/2026 07 PM PDT            5.27           1251         -      Not Applicable
  03/09/2026 08 PM PDT            5.30           1269         +      Not Applicable
  03/09/2026 09 PM PDT            5.27           1251         -      Not Applicable
  03/09/2026 10 PM PDT            5.30           1269         +      Not Applicable
  03/09/2026 11 PM PDT            5.28           1257         -      Not Applicable
  03/10/2026 12 AM PDT            5.26           1246         -      Not Applicable
  03/10/2026 01 AM PDT            5.25           1240         -      Not Applicable
  03/10/2026 02 AM PDT            5.23           1229         -      Not Applicable
  03/10/2026 03 AM PDT            5.24           1235         +      Not Applicable
  03/10/2026 04 AM PDT            5.22           1223         -      Not Applicable
  03/10/2026 05 AM PDT            5.21           1218         -      Not Applicable
  03/10/2026 06 AM PDT            5.22           1223         +      Not Applicable
  03/10/2026 07 AM PDT            5.19           1207         -      Not Applicable
  03/10/2026 08 AM PDT            5.16           1190         -      Not Applicable
  03/10/2026 09 AM PDT            5.16           1190         0      Not Applicable
  03/10/2026 10 AM PDT            5.18           1201         +      Not Applicable
  03/10/2026 11 AM PDT            5.15           1184         -      Not Applicable
  03/10/2026 12 PM PDT            5.14           1179         -      Not Applicable
  03/10/2026 01 PM PDT            5.14           1179         0      Not Applicable
  03/10/2026 02 PM PDT            5.14           1179         0      Not Applicable
  03/10/2026 03 PM PDT            5.14           1179         0      Not Applicable
  03/10/2026 04 PM PDT            5.10           1157         -      Not Applicable
  03/10/2026 05 PM PDT            5.07           1141         -      Not Applicable
  03/10/2026 06 PM PDT            5.08           1146         +      Not Applicable
  03/10/2026 07 PM PDT            5.08           1146         0      Not Applicable
  03/10/2026 08 PM PDT            5.07           1141         -      Not Applicable
  03/10/2026 09 PM PDT            5.08           1146         +      Not Applicable
  03/10/2026 10 PM PDT            5.09           1151         +      Not Applicable
  03/10/2026 11 PM PDT            5.08           1146         -      Not Applicable
  03/11/2026 12 AM PDT            5.09           1151         +      Not Applicable
  03/11/2026 01 AM PDT            5.10           1157         +      Not Applicable
  03/11/2026 02 AM PDT            5.04           1124         -      Not Applicable
  03/11/2026 03 AM PDT            5.04           1124         0      Not Applicable
  03/11/2026 04 AM PDT            5.05           1130         +      Not Applicable
  03/11/2026 05 AM PDT            5.02           1114         -      Not Applicable
  03/11/2026 06 AM PDT            5.02           1114         0      Not Applicable
  03/11/2026 07 AM PDT            4.97           1087         -      Not Applicable
  03/11/2026 08 AM PDT            4.97           1087         0      Not Applicable
  03/11/2026 09 AM PDT            4.97           1087         0      Not Applicable
  03/11/2026 10 AM PDT            4.98           1092         +      Not Applicable
  03/11/2026 11 AM PDT            4.99           1098         +      Not Applicable
  03/11/2026 12 PM PDT            4.96           1082         -      Not Applicable
  03/11/2026 01 PM PDT            4.94           1071         -      Not Applicable
  03/11/2026 02 PM PDT            4.93           1066         -      Not Applicable
  03/11/2026 03 PM PDT            4.94           1071         +      Not Applicable
  03/11/2026 04 PM PDT            4.93           1066         -      Not Applicable
  03/11/2026 05 PM PDT            4.92           1061         -      Not Applicable
  03/11/2026 06 PM PDT            4.92           1061         0      Not Applicable
  03/11/2026 07 PM PDT            4.93           1066         +      Not Applicable
  03/11/2026 08 PM PDT            4.93           1066         0      Not Applicable
  03/11/2026 09 PM PDT            4.92           1061         -      Not Applicable
  03/11/2026 10 PM PDT            4.90           1051         -      Not Applicable
  03/11/2026 11 PM PDT            4.90           1051         0      Not Applicable
  03/12/2026 12 AM PDT            4.88           1040         -      Not Applicable
  03/12/2026 01 AM PDT            4.89           1045         +      Not Applicable
  03/12/2026 02 AM PDT            4.87           1035         -      Not Applicable
  03/12/2026 03 AM PDT            4.87           1035         0      Not Applicable
  03/12/2026 04 AM PDT            4.85           1025         -      Not Applicable
  03/12/2026 05 AM PDT            4.85           1025         0      Not Applicable
  03/12/2026 06 AM PDT            4.82           1009         -      Not Applicable
  03/12/2026 07 AM PDT            4.83           1015         +      Not Applicable
  03/12/2026 08 AM PDT            4.76            979         -      Not Applicable
  03/12/2026 09 AM PDT            4.75            974         -      Not Applicable
  03/12/2026 10 AM PDT            4.79            994         +      Not Applicable
  03/12/2026 11 AM PDT            4.74            969         -      Not Applicable
  03/12/2026 12 PM PDT            4.75            974         +      Not Applicable
  03/12/2026 01 PM PDT            4.77            984         +      Not Applicable
  03/12/2026 02 PM PDT            4.74            969         -      Not Applicable
  03/12/2026 03 PM PDT            4.76            979         +      Not Applicable
  03/12/2026 04 PM PDT            4.73            964         -      Not Applicable
  03/12/2026 05 PM PDT            4.74            969         +      Not Applicable
  03/12/2026 06 PM PDT            4.72            959         -      Not Applicable
  03/12/2026 07 PM PDT            4.73            964         +      Not Applicable
  03/12/2026 08 PM PDT            4.73            964         0      Not Applicable
  03/12/2026 09 PM PDT            4.70            949         -      Not Applicable
  03/12/2026 10 PM PDT            4.70            949         0      Not Applicable
  03/12/2026 11 PM PDT            4.70            949         0      Not Applicable
  03/13/2026 12 AM PDT            4.71            954         +      Not Applicable
  03/13/2026 01 AM PDT            4.71            954         0      Not Applicable
  03/13/2026 02 AM PDT            4.68            940         -      Not Applicable
  03/13/2026 03 AM PDT            4.68            940         0      Not Applicable
  03/13/2026 04 AM PDT            4.67            935         -      Not Applicable
  03/13/2026 05 AM PDT            4.66            930         -      Not Applicable
  03/13/2026 06 AM PDT            4.65            925         -      Not Applicable
  03/13/2026 07 AM PDT            4.65            925         0      Not Applicable
  03/13/2026 08 AM PDT            4.64            920         -      Not Applicable
  03/13/2026 09 AM PDT            4.63            915         -      Not Applicable
  03/13/2026 10 AM PDT            4.61            905         -      Not Applicable
  03/13/2026 11 AM PDT            4.68            940         +      Not Applicable
  03/13/2026 12 PM PDT            4.68            940         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/13/2026 01 PM PDT            4.66            930                Not Applicable
  03/13/2026 02 PM PDT            4.65            925         -      Not Applicable
  03/13/2026 03 PM PDT            4.63            915         -      Not Applicable
  03/13/2026 04 PM PDT            4.61            905         -      Not Applicable
  03/13/2026 05 PM PDT            4.60            901         -      Not Applicable
  03/13/2026 06 PM PDT            4.58            891         -      Not Applicable
  03/13/2026 07 PM PDT            4.56            882         -      Not Applicable
  03/13/2026 08 PM PDT            4.55            877         -      Not Applicable
  03/13/2026 09 PM PDT            4.53            867         -      Not Applicable
  03/13/2026 10 PM PDT            4.51            858         -      Not Applicable
  03/13/2026 11 PM PDT            4.49            849         -      Not Applicable
  03/14/2026 12 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 01 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 02 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 03 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 04 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 05 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 06 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 07 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 08 AM PDT            4.49            849         0      Not Applicable
  03/14/2026 09 AM PDT            4.48            844         -      Not Applicable
  03/14/2026 10 AM PDT            4.48            844         0      Not Applicable
  03/14/2026 11 AM PDT            4.48            844         0      Not Applicable
  03/14/2026 12 PM PDT            4.48            844         0      Not Applicable
  03/14/2026 01 PM PDT            4.48            844         0      Not Applicable
  03/14/2026 02 PM PDT            4.48            844         0      Not Applicable
  03/14/2026 03 PM PDT            4.47            839         -      Not Applicable
  03/14/2026 04 PM PDT            4.47            839         0      Not Applicable
  03/14/2026 05 PM PDT            4.47            839         0      Not Applicable
  03/14/2026 06 PM PDT            4.47            839         0      Not Applicable
  03/14/2026 07 PM PDT            4.47            839         0      Not Applicable
  03/14/2026 08 PM PDT            4.47            839         0      Not Applicable
  03/14/2026 09 PM PDT            4.46            835         -      Not Applicable
  03/14/2026 10 PM PDT            4.46            835         0      Not Applicable
  03/14/2026 11 PM PDT            4.46            835         0      Not Applicable
  03/15/2026 12 AM PDT            4.46            835         0      Not Applicable
  03/15/2026 01 AM PDT            4.46            835         0      Not Applicable
  03/15/2026 02 AM PDT            4.45            830         -      Not Applicable
  03/15/2026 03 AM PDT            4.45            830         0      Not Applicable
  03/15/2026 04 AM PDT            4.45            830         0      Not Applicable
  03/15/2026 05 AM PDT            4.45            830         0      Not Applicable
  03/15/2026 06 AM PDT            4.45            830         0      Not Applicable
  03/15/2026 07 AM PDT            4.44            826         -      Not Applicable
  03/15/2026 08 AM PDT            4.44            826         0      Not Applicable
  03/15/2026 09 AM PDT            4.44            826         0      Not Applicable
  03/15/2026 10 AM PDT            4.44            826         0      Not Applicable
  03/15/2026 11 AM PDT            4.43            821         -      Not Applicable
  03/15/2026 12 PM PDT            4.43            821         0      Not Applicable
  03/15/2026 01 PM PDT            4.43            821         0      Not Applicable
  03/15/2026 02 PM PDT            4.43            821         0      Not Applicable
  03/15/2026 03 PM PDT            4.42            816         -      Not Applicable
  03/15/2026 04 PM PDT            4.42            816         0      Not Applicable
  03/15/2026 05 PM PDT            4.42            816         0      Not Applicable
  03/15/2026 06 PM PDT            4.42            816         0      Not Applicable
  03/15/2026 07 PM PDT            4.42            816         0      Not Applicable
  03/15/2026 08 PM PDT            4.42            816         0      Not Applicable
  03/15/2026 09 PM PDT            4.41            812         -      Not Applicable
  03/15/2026 10 PM PDT            4.41            812         0      Not Applicable
  03/15/2026 11 PM PDT            4.41            812         0      Not Applicable
  03/16/2026 12 AM PDT            4.41            812         0      Not Applicable
  03/16/2026 01 AM PDT            4.41            812         0      Not Applicable
  03/16/2026 02 AM PDT            4.41            812         0      Not Applicable
  03/16/2026 03 AM PDT            4.40            807         -      Not Applicable
  03/16/2026 04 AM PDT            4.40            807         0      Not Applicable
  03/16/2026 05 AM PDT            4.40            807         0      Not Applicable
  03/16/2026 06 AM PDT            4.40            807         0      Not Applicable
  03/16/2026 07 AM PDT            4.40            807         0      Not Applicable
  03/16/2026 08 AM PDT            4.40            807         0      Not Applicable
  03/16/2026 09 AM PDT            4.39            803         -      Not Applicable
  03/16/2026 10 AM PDT            4.39            803         0      Not Applicable
  03/16/2026 11 AM PDT            4.39            803         0      Not Applicable
  03/16/2026 12 PM PDT            4.39            803         0      Not Applicable
  03/16/2026 01 PM PDT            4.39            803         0      Not Applicable
  03/16/2026 02 PM PDT            4.39            803         0      Not Applicable
  03/16/2026 03 PM PDT            4.38            798         -      Not Applicable
  03/16/2026 04 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 05 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 06 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 07 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 08 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 09 PM PDT            4.38            798         0      Not Applicable
  03/16/2026 10 PM PDT            4.37            794         -      Not Applicable
  03/16/2026 11 PM PDT            4.37            794         0      Not Applicable
  03/17/2026 12 AM PDT            4.37            794         0      Not Applicable
  03/17/2026 01 AM PDT            4.37            794         0      Not Applicable
  03/17/2026 02 AM PDT            4.37            794         0      Not Applicable
  03/17/2026 03 AM PDT            4.36            789         -      Not Applicable
  03/17/2026 04 AM PDT            4.36            789         0      Not Applicable
  03/17/2026 05 AM PDT            4.36            789         0      Not Applicable
  03/17/2026 06 AM PDT            4.36            789         0      Not Applicable
  03/17/2026 07 AM PDT            4.36            789         0      Not Applicable
  03/17/2026 08 AM PDT            4.36            789         0      Not Applicable
  03/17/2026 09 AM PDT            4.35            785         -      Not Applicable
  03/17/2026 10 AM PDT            4.35            785         0      Not Applicable
  03/17/2026 11 AM PDT            4.35            785         0      Not Applicable
  03/17/2026 12 PM PDT            4.35            785         0      Not Applicable
  03/17/2026 01 PM PDT            4.35            785         0      Not Applicable
  03/17/2026 02 PM PDT            4.35            785         0      Not Applicable
  03/17/2026 03 PM PDT            4.34            780         -      Not Applicable
  03/17/2026 04 PM PDT            4.34            780         0      Not Applicable
  03/17/2026 05 PM PDT            4.34            780         0      Not Applicable
  03/17/2026 06 PM PDT            4.34            780         0      Not Applicable
  03/17/2026 07 PM PDT            4.34            780         0      Not Applicable
  03/17/2026 08 PM PDT            4.34            780         0      Not Applicable
  03/17/2026 09 PM PDT            4.33            776         -      Not Applicable
  03/17/2026 10 PM PDT            4.33            776         0      Not Applicable
  03/17/2026 11 PM PDT            4.33            776         0      Not Applicable
  03/18/2026 12 AM PDT            4.33            776         0      Not Applicable
  03/18/2026 01 AM PDT            4.33            776         0      Not Applicable
  03/18/2026 02 AM PDT            4.33            776         0      Not Applicable
  03/18/2026 03 AM PDT            4.33            776         0      Not Applicable
  03/18/2026 04 AM PDT            4.32            771         -      Not Applicable
  03/18/2026 05 AM PDT            4.32            771         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.