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

 | 

BEAR CREEK - HOLSTEN CHIMNEY CANYON (HCHC1)
Latitude: 38.96º NLongitude: 122.34º WElevation: 920 FeetForecast Type: Unofficial Location
Location: Colusa County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Cache Putah
Issuance Time: Apr 16 2026 at 7:54 AM PDTNext Issuance: Apr 17 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: Bear Creek - Holsten Chimney Canyon (HCHC1)
#
# File Generation Time:  04/16/2026 at 07:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/12/2026 at 09:00 PM PDT
# Maximum Observed Stage:                       6.04 Feet
# Maximum Observed Flow:                        123 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/21/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       5.10 Feet
# Maximum Forecast Flow:                        30 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/11/2026 07 AM PDT            5.22             36                Not Applicable
  04/11/2026 08 AM PDT            5.23             37         +      Not Applicable
  04/11/2026 09 AM PDT            5.23             37         0      Not Applicable
  04/11/2026 10 AM PDT            5.22             36         -      Not Applicable
  04/11/2026 11 AM PDT            5.23             37         +      Not Applicable
  04/11/2026 12 PM PDT            5.24             38         +      Not Applicable
  04/11/2026 01 PM PDT            5.25             38         +      Not Applicable
  04/11/2026 02 PM PDT            5.25             38         0      Not Applicable
  04/11/2026 03 PM PDT            5.24             38         -      Not Applicable
  04/11/2026 04 PM PDT            5.24             38         0      Not Applicable
  04/11/2026 05 PM PDT            5.26             39         +      Not Applicable
  04/11/2026 06 PM PDT            5.32             42         +      Not Applicable
  04/11/2026 07 PM PDT            5.35             44         +      Not Applicable
  04/11/2026 08 PM PDT            5.36             45         +      Not Applicable
  04/11/2026 09 PM PDT            5.37             46         +      Not Applicable
  04/11/2026 10 PM PDT            5.45             51         +      Not Applicable
  04/11/2026 11 PM PDT            5.54             59         +      Not Applicable
  04/12/2026 12 AM PDT            5.59             64         +      Not Applicable
  04/12/2026 01 AM PDT            5.60             65         +      Not Applicable
  04/12/2026 02 AM PDT            5.62             66         +      Not Applicable
  04/12/2026 03 AM PDT            5.65             69         +      Not Applicable
  04/12/2026 04 AM PDT            5.78             84         +      Not Applicable
  04/12/2026 05 AM PDT            5.92            103         +      Not Applicable
  04/12/2026 06 AM PDT            5.88             97         -      Not Applicable
  04/12/2026 07 AM PDT            5.83             91         -      Not Applicable
  04/12/2026 08 AM PDT            5.78             84         -      Not Applicable
  04/12/2026 09 AM PDT            5.76             82         -      Not Applicable
  04/12/2026 10 AM PDT            5.80             87         +      Not Applicable
  04/12/2026 11 AM PDT            5.89             99         +      Not Applicable
  04/12/2026 12 PM PDT            5.95            108         +      Not Applicable
  04/12/2026 01 PM PDT            5.95            108         0      Not Applicable
  04/12/2026 02 PM PDT            5.95            108         0      Not Applicable
  04/12/2026 03 PM PDT            5.95            108         0      Not Applicable
  04/12/2026 04 PM PDT            5.94            106         -      Not Applicable
  04/12/2026 05 PM PDT            5.94            106         0      Not Applicable
  04/12/2026 06 PM PDT            5.94            106         0      Not Applicable
  04/12/2026 07 PM PDT            5.95            108         +      Not Applicable
  04/12/2026 08 PM PDT            6.03            121         +      Not Applicable
  04/12/2026 09 PM PDT            6.04            123         +      Not Applicable
  04/12/2026 10 PM PDT            5.98            113         -      Not Applicable
  04/12/2026 11 PM PDT            5.95            108         -      Not Applicable
  04/13/2026 12 AM PDT            5.92            103         -      Not Applicable
  04/13/2026 01 AM PDT            5.90            100         -      Not Applicable
  04/13/2026 02 AM PDT            5.88             97         -      Not Applicable
  04/13/2026 03 AM PDT            5.86             95         -      Not Applicable
  04/13/2026 04 AM PDT            5.83             91         -      Not Applicable
  04/13/2026 05 AM PDT            5.81             88         -      Not Applicable
  04/13/2026 06 AM PDT            5.79             86         -      Not Applicable
  04/13/2026 07 AM PDT            5.77             83         -      Not Applicable
  04/13/2026 08 AM PDT            5.75             81         -      Not Applicable
  04/13/2026 09 AM PDT            5.72             77         -      Not Applicable
  04/13/2026 10 AM PDT            5.71             76         -      Not Applicable
  04/13/2026 11 AM PDT            5.69             74         -      Not Applicable
  04/13/2026 12 PM PDT            5.67             71         -      Not Applicable
  04/13/2026 01 PM PDT            5.65             69         -      Not Applicable
  04/13/2026 02 PM PDT            5.63             67         -      Not Applicable
  04/13/2026 03 PM PDT            5.62             66         -      Not Applicable
  04/13/2026 04 PM PDT            5.61             65         -      Not Applicable
  04/13/2026 05 PM PDT            5.59             64         -      Not Applicable
  04/13/2026 06 PM PDT            5.58             63         -      Not Applicable
  04/13/2026 07 PM PDT            5.56             61         -      Not Applicable
  04/13/2026 08 PM PDT            5.55             60         -      Not Applicable
  04/13/2026 09 PM PDT            5.54             59         -      Not Applicable
  04/13/2026 10 PM PDT            5.54             59         0      Not Applicable
  04/13/2026 11 PM PDT            5.53             58         -      Not Applicable
  04/14/2026 12 AM PDT            5.52             57         -      Not Applicable
  04/14/2026 01 AM PDT            5.51             56         -      Not Applicable
  04/14/2026 02 AM PDT            5.49             55         -      Not Applicable
  04/14/2026 03 AM PDT            5.48             54         -      Not Applicable
  04/14/2026 04 AM PDT            5.46             52         -      Not Applicable
  04/14/2026 05 AM PDT            5.44             51         -      Not Applicable
  04/14/2026 06 AM PDT            5.43             50         -      Not Applicable
  04/14/2026 07 AM PDT            5.41             48         -      Not Applicable
  04/14/2026 08 AM PDT            5.40             48         -      Not Applicable
  04/14/2026 09 AM PDT            5.38             46         -      Not Applicable
  04/14/2026 10 AM PDT            5.38             46         0      Not Applicable
  04/14/2026 11 AM PDT            5.35             44         -      Not Applicable
  04/14/2026 12 PM PDT            5.35             44         0      Not Applicable
  04/14/2026 01 PM PDT            5.33             43         -      Not Applicable
  04/14/2026 02 PM PDT            5.32             42         -      Not Applicable
  04/14/2026 03 PM PDT            5.31             42         -      Not Applicable
  04/14/2026 04 PM PDT            5.29             41         -      Not Applicable
  04/14/2026 05 PM PDT            5.27             39         -      Not Applicable
  04/14/2026 06 PM PDT            5.26             39         -      Not Applicable
  04/14/2026 07 PM PDT            5.25             38         -      Not Applicable
  04/14/2026 08 PM PDT            5.24             38         -      Not Applicable
  04/14/2026 09 PM PDT            5.23             37         -      Not Applicable
  04/14/2026 10 PM PDT            5.22             36         -      Not Applicable
  04/14/2026 11 PM PDT            5.21             36         -      Not Applicable
  04/15/2026 12 AM PDT            5.20             35         -      Not Applicable
  04/15/2026 01 AM PDT            5.19             35         -      Not Applicable
  04/15/2026 02 AM PDT            5.18             34         -      Not Applicable
  04/15/2026 03 AM PDT            5.18             34         0      Not Applicable
  04/15/2026 04 AM PDT            5.17             34         -      Not Applicable
  04/15/2026 05 AM PDT            5.17             34         0      Not Applicable
  04/15/2026 06 AM PDT            5.16             33         -      Not Applicable
  04/15/2026 07 AM PDT            5.15             33         -      Not Applicable
  04/15/2026 08 AM PDT            5.15             33         0      Not Applicable
  04/15/2026 09 AM PDT            5.15             33         0      Not Applicable
  04/15/2026 10 AM PDT            5.15             33         0      Not Applicable
  04/15/2026 11 AM PDT            5.14             32         -      Not Applicable
  04/15/2026 12 PM PDT            5.13             31         -      Not Applicable
  04/15/2026 01 PM PDT            5.13             31         0      Not Applicable
  04/15/2026 02 PM PDT            5.13             31         0      Not Applicable
  04/15/2026 03 PM PDT            5.13             31         0      Not Applicable
  04/15/2026 04 PM PDT            5.11             30         -      Not Applicable
  04/15/2026 05 PM PDT            5.11             30         0      Not Applicable
  04/15/2026 06 PM PDT            5.10             30         -      Not Applicable
  04/15/2026 07 PM PDT            5.09             29         -      Not Applicable
  04/15/2026 08 PM PDT            5.08             29         -      Not Applicable
  04/15/2026 09 PM PDT            5.08             29         0      Not Applicable
  04/15/2026 10 PM PDT            5.08             29         0      Not Applicable
  04/15/2026 11 PM PDT            5.07             28         -      Not Applicable
  04/16/2026 12 AM PDT            5.06             28         -      Not Applicable
  04/16/2026 01 AM PDT            5.06             28         0      Not Applicable
  04/16/2026 02 AM PDT            5.06             28         0      Not Applicable
  04/16/2026 03 AM PDT            5.06             28         0      Not Applicable
  04/16/2026 04 AM PDT            5.05             27         -      Not Applicable
  04/16/2026 05 AM PDT            5.05             27         0      Not Applicable
  04/16/2026 06 AM PDT            5.05             27         0      Not Applicable
  04/16/2026 07 AM PDT            5.05             27         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/16/2026 08 AM PDT            5.05             27                Not Applicable
  04/16/2026 09 AM PDT            5.04             27         -      Not Applicable
  04/16/2026 10 AM PDT            5.04             27         0      Not Applicable
  04/16/2026 11 AM PDT            5.04             27         0      Not Applicable
  04/16/2026 12 PM PDT            5.04             27         0      Not Applicable
  04/16/2026 01 PM PDT            5.04             27         0      Not Applicable
  04/16/2026 02 PM PDT            5.03             27         -      Not Applicable
  04/16/2026 03 PM PDT            5.03             27         0      Not Applicable
  04/16/2026 04 PM PDT            5.03             27         0      Not Applicable
  04/16/2026 05 PM PDT            5.03             27         0      Not Applicable
  04/16/2026 06 PM PDT            5.03             27         0      Not Applicable
  04/16/2026 07 PM PDT            5.02             26         -      Not Applicable
  04/16/2026 08 PM PDT            5.02             26         0      Not Applicable
  04/16/2026 09 PM PDT            5.02             26         0      Not Applicable
  04/16/2026 10 PM PDT            5.02             26         0      Not Applicable
  04/16/2026 11 PM PDT            5.02             26         0      Not Applicable
  04/17/2026 12 AM PDT            5.01             26         -      Not Applicable
  04/17/2026 01 AM PDT            5.01             26         0      Not Applicable
  04/17/2026 02 AM PDT            5.01             26         0      Not Applicable
  04/17/2026 03 AM PDT            5.01             26         0      Not Applicable
  04/17/2026 04 AM PDT            5.01             26         0      Not Applicable
  04/17/2026 05 AM PDT            5.00             25         -      Not Applicable
  04/17/2026 06 AM PDT            5.00             25         0      Not Applicable
  04/17/2026 07 AM PDT            5.00             25         0      Not Applicable
  04/17/2026 08 AM PDT            5.00             25         0      Not Applicable
  04/17/2026 09 AM PDT            5.00             25         0      Not Applicable
  04/17/2026 10 AM PDT            4.99             25         -      Not Applicable
  04/17/2026 11 AM PDT            4.99             25         0      Not Applicable
  04/17/2026 12 PM PDT            4.99             25         0      Not Applicable
  04/17/2026 01 PM PDT            4.99             25         0      Not Applicable
  04/17/2026 02 PM PDT            4.99             25         0      Not Applicable
  04/17/2026 03 PM PDT            4.98             24         -      Not Applicable
  04/17/2026 04 PM PDT            4.98             24         0      Not Applicable
  04/17/2026 05 PM PDT            4.98             24         0      Not Applicable
  04/17/2026 06 PM PDT            4.98             24         0      Not Applicable
  04/17/2026 07 PM PDT            4.97             24         -      Not Applicable
  04/17/2026 08 PM PDT            4.97             24         0      Not Applicable
  04/17/2026 09 PM PDT            4.97             24         0      Not Applicable
  04/17/2026 10 PM PDT            4.97             24         0      Not Applicable
  04/17/2026 11 PM PDT            4.97             24         0      Not Applicable
  04/18/2026 12 AM PDT            4.96             23         -      Not Applicable
  04/18/2026 01 AM PDT            4.96             23         0      Not Applicable
  04/18/2026 02 AM PDT            4.96             23         0      Not Applicable
  04/18/2026 03 AM PDT            4.96             23         0      Not Applicable
  04/18/2026 04 AM PDT            4.96             23         0      Not Applicable
  04/18/2026 05 AM PDT            4.95             23         -      Not Applicable
  04/18/2026 06 AM PDT            4.95             23         0      Not Applicable
  04/18/2026 07 AM PDT            4.95             23         0      Not Applicable
  04/18/2026 08 AM PDT            4.95             23         0      Not Applicable
  04/18/2026 09 AM PDT            4.95             23         0      Not Applicable
  04/18/2026 10 AM PDT            4.94             23         -      Not Applicable
  04/18/2026 11 AM PDT            4.94             23         0      Not Applicable
  04/18/2026 12 PM PDT            4.94             23         0      Not Applicable
  04/18/2026 01 PM PDT            4.94             23         0      Not Applicable
  04/18/2026 02 PM PDT            4.93             22         -      Not Applicable
  04/18/2026 03 PM PDT            4.93             22         0      Not Applicable
  04/18/2026 04 PM PDT            4.93             22         0      Not Applicable
  04/18/2026 05 PM PDT            4.93             22         0      Not Applicable
  04/18/2026 06 PM PDT            4.92             22         -      Not Applicable
  04/18/2026 07 PM PDT            4.92             22         0      Not Applicable
  04/18/2026 08 PM PDT            4.92             22         0      Not Applicable
  04/18/2026 09 PM PDT            4.92             22         0      Not Applicable
  04/18/2026 10 PM PDT            4.92             22         0      Not Applicable
  04/18/2026 11 PM PDT            4.92             22         0      Not Applicable
  04/19/2026 12 AM PDT            4.91             21         -      Not Applicable
  04/19/2026 01 AM PDT            4.91             21         0      Not Applicable
  04/19/2026 02 AM PDT            4.91             21         0      Not Applicable
  04/19/2026 03 AM PDT            4.91             21         0      Not Applicable
  04/19/2026 04 AM PDT            4.90             21         -      Not Applicable
  04/19/2026 05 AM PDT            4.90             21         0      Not Applicable
  04/19/2026 06 AM PDT            4.90             21         0      Not Applicable
  04/19/2026 07 AM PDT            4.90             21         0      Not Applicable
  04/19/2026 08 AM PDT            4.89             20         -      Not Applicable
  04/19/2026 09 AM PDT            4.89             20         0      Not Applicable
  04/19/2026 10 AM PDT            4.89             20         0      Not Applicable
  04/19/2026 11 AM PDT            4.89             20         0      Not Applicable
  04/19/2026 12 PM PDT            4.89             20         0      Not Applicable
  04/19/2026 01 PM PDT            4.88             20         -      Not Applicable
  04/19/2026 02 PM PDT            4.88             20         0      Not Applicable
  04/19/2026 03 PM PDT            4.88             20         0      Not Applicable
  04/19/2026 04 PM PDT            4.88             20         0      Not Applicable
  04/19/2026 05 PM PDT            4.87             20         -      Not Applicable
  04/19/2026 06 PM PDT            4.87             20         0      Not Applicable
  04/19/2026 07 PM PDT            4.87             20         0      Not Applicable
  04/19/2026 08 PM PDT            4.87             20         0      Not Applicable
  04/19/2026 09 PM PDT            4.87             20         0      Not Applicable
  04/19/2026 10 PM PDT            4.86             19         -      Not Applicable
  04/19/2026 11 PM PDT            4.86             19         0      Not Applicable
  04/20/2026 12 AM PDT            4.86             19         0      Not Applicable
  04/20/2026 01 AM PDT            4.86             19         0      Not Applicable
  04/20/2026 02 AM PDT            4.86             19         0      Not Applicable
  04/20/2026 03 AM PDT            4.85             19         -      Not Applicable
  04/20/2026 04 AM PDT            4.86             19         +      Not Applicable
  04/20/2026 05 AM PDT            4.86             19         0      Not Applicable
  04/20/2026 06 AM PDT            4.86             19         0      Not Applicable
  04/20/2026 07 AM PDT            4.87             20         +      Not Applicable
  04/20/2026 08 AM PDT            4.87             20         0      Not Applicable
  04/20/2026 09 AM PDT            4.87             20         0      Not Applicable
  04/20/2026 10 AM PDT            4.88             20         +      Not Applicable
  04/20/2026 11 AM PDT            4.89             20         +      Not Applicable
  04/20/2026 12 PM PDT            4.90             21         +      Not Applicable
  04/20/2026 01 PM PDT            4.91             21         +      Not Applicable
  04/20/2026 02 PM PDT            4.91             21         0      Not Applicable
  04/20/2026 03 PM PDT            4.91             21         0      Not Applicable
  04/20/2026 04 PM PDT            4.91             21         0      Not Applicable
  04/20/2026 05 PM PDT            4.90             21         -      Not Applicable
  04/20/2026 06 PM PDT            4.89             20         -      Not Applicable
  04/20/2026 07 PM PDT            4.88             20         -      Not Applicable
  04/20/2026 08 PM PDT            4.88             20         0      Not Applicable
  04/20/2026 09 PM PDT            4.88             20         0      Not Applicable
  04/20/2026 10 PM PDT            4.88             20         0      Not Applicable
  04/20/2026 11 PM PDT            4.87             20         -      Not Applicable
  04/21/2026 12 AM PDT            4.87             20         0      Not Applicable
  04/21/2026 01 AM PDT            4.87             20         0      Not Applicable
  04/21/2026 02 AM PDT            4.87             20         0      Not Applicable
  04/21/2026 03 AM PDT            4.89             20         +      Not Applicable
  04/21/2026 04 AM PDT            4.95             23         +      Not Applicable
  04/21/2026 05 AM PDT            5.10             30         +      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.