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

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BEAR CREEK - HOLSTEN CHIMNEY CANYON (HCHC1)
Latitude: 38.96º NLongitude: 122.34º WElevation: 920 Feet
Location: Colusa County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Cache Putah
Issuance Time: Nov 17 2025 at 1:47 PM PSTNext Issuance: Nov 18 2025 at 9:00 AM PST
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:  11/17/2025 at 01:49 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/14/2025 at 03:00 AM PST
# Maximum Observed Stage:                       4.80 Feet
# Maximum Observed Flow:                        20 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/18/2025 at 07:00 AM PST
# Maximum Forecast Stage:                       6.45 Feet
# Maximum Forecast Flow:                        221 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/12/2025 01 PM PST            4.16              4                Not Applicable
  11/12/2025 02 PM PST            4.16              4         0      Not Applicable
  11/12/2025 03 PM PST            4.16              4         0      Not Applicable
  11/12/2025 04 PM PST            4.16              4         0      Not Applicable
  11/12/2025 05 PM PST            4.16              4         0      Not Applicable
  11/12/2025 06 PM PST            4.16              4         0      Not Applicable
  11/12/2025 07 PM PST            4.16              4         0      Not Applicable
  11/12/2025 08 PM PST            4.16              4         0      Not Applicable
  11/12/2025 09 PM PST            4.16              4         0      Not Applicable
  11/12/2025 10 PM PST            4.16              4         0      Not Applicable
  11/12/2025 11 PM PST            4.16              4         0      Not Applicable
  11/13/2025 12 AM PST            4.16              4         0      Not Applicable
  11/13/2025 01 AM PST            4.16              4         0      Not Applicable
  11/13/2025 02 AM PST            4.16              4         0      Not Applicable
  11/13/2025 03 AM PST            4.15              4         -      Not Applicable
  11/13/2025 04 AM PST            4.15              4         0      Not Applicable
  11/13/2025 05 AM PST            4.17              4         +      Not Applicable
  11/13/2025 06 AM PST            4.21              5         +      Not Applicable
  11/13/2025 07 AM PST            4.22              5         +      Not Applicable
  11/13/2025 08 AM PST            4.29              6         +      Not Applicable
  11/13/2025 09 AM PST            4.31              6         +      Not Applicable
  11/13/2025 10 AM PST            4.36              7         +      Not Applicable
  11/13/2025 11 AM PST            4.37              7         +      Not Applicable
  11/13/2025 12 PM PST            4.40              8         +      Not Applicable
  11/13/2025 01 PM PST            4.42              8         +      Not Applicable
  11/13/2025 02 PM PST            4.46              9         +      Not Applicable
  11/13/2025 03 PM PST            4.50             10         +      Not Applicable
  11/13/2025 04 PM PST            4.55             12         +      Not Applicable
  11/13/2025 05 PM PST            4.58             13         +      Not Applicable
  11/13/2025 06 PM PST            4.59             13         +      Not Applicable
  11/13/2025 07 PM PST            4.59             13         0      Not Applicable
  11/13/2025 08 PM PST            4.59             13         0      Not Applicable
  11/13/2025 09 PM PST            4.62             14         +      Not Applicable
  11/13/2025 10 PM PST            4.64             14         +      Not Applicable
  11/13/2025 11 PM PST            4.65             15         +      Not Applicable
  11/14/2025 12 AM PST            4.67             15         +      Not Applicable
  11/14/2025 01 AM PST            4.72             17         +      Not Applicable
  11/14/2025 02 AM PST            4.78             19         +      Not Applicable
  11/14/2025 03 AM PST            4.80             20         +      Not Applicable
  11/14/2025 04 AM PST            4.79             20         -      Not Applicable
  11/14/2025 05 AM PST            4.76             18         -      Not Applicable
  11/14/2025 06 AM PST            4.73             17         -      Not Applicable
  11/14/2025 07 AM PST            4.70             16         -      Not Applicable
  11/14/2025 08 AM PST            4.68             16         -      Not Applicable
  11/14/2025 09 AM PST            4.66             15         -      Not Applicable
  11/14/2025 10 AM PST            4.64             14         -      Not Applicable
  11/14/2025 11 AM PST            4.63             14         -      Not Applicable
  11/14/2025 12 PM PST            4.61             13         -      Not Applicable
  11/14/2025 01 PM PST            4.60             13         -      Not Applicable
  11/14/2025 02 PM PST            4.59             13         -      Not Applicable
  11/14/2025 03 PM PST            4.57             12         -      Not Applicable
  11/14/2025 04 PM PST            4.56             12         -      Not Applicable
  11/14/2025 05 PM PST            4.54             11         -      Not Applicable
  11/14/2025 06 PM PST            4.53             11         -      Not Applicable
  11/14/2025 07 PM PST            4.51             11         -      Not Applicable
  11/14/2025 08 PM PST            4.50             10         -      Not Applicable
  11/14/2025 09 PM PST            4.49             10         -      Not Applicable
  11/14/2025 10 PM PST            4.48             10         -      Not Applicable
  11/14/2025 11 PM PST            4.47             10         -      Not Applicable
  11/15/2025 12 AM PST            4.46              9         -      Not Applicable
  11/15/2025 01 AM PST            4.46              9         0      Not Applicable
  11/15/2025 02 AM PST            4.45              9         -      Not Applicable
  11/15/2025 03 AM PST            4.45              9         0      Not Applicable
  11/15/2025 04 AM PST            4.44              9         -      Not Applicable
  11/15/2025 05 AM PST            4.43              9         -      Not Applicable
  11/15/2025 06 AM PST            4.43              9         0      Not Applicable
  11/15/2025 07 AM PST            4.42              8         -      Not Applicable
  11/15/2025 08 AM PST            4.41              8         -      Not Applicable
  11/15/2025 09 AM PST            4.41              8         0      Not Applicable
  11/15/2025 10 AM PST            4.40              8         -      Not Applicable
  11/15/2025 11 AM PST            4.40              8         0      Not Applicable
  11/15/2025 12 PM PST            4.40              8         0      Not Applicable
  11/15/2025 01 PM PST            4.39              8         -      Not Applicable
  11/15/2025 02 PM PST            4.38              8         -      Not Applicable
  11/15/2025 03 PM PST            4.38              8         0      Not Applicable
  11/15/2025 04 PM PST            4.38              8         0      Not Applicable
  11/15/2025 05 PM PST            4.38              8         0      Not Applicable
  11/15/2025 06 PM PST            4.37              7         -      Not Applicable
  11/15/2025 07 PM PST            4.37              7         0      Not Applicable
  11/15/2025 08 PM PST            4.36              7         -      Not Applicable
  11/15/2025 09 PM PST            4.36              7         0      Not Applicable
  11/15/2025 10 PM PST            4.35              7         -      Not Applicable
  11/15/2025 11 PM PST            4.35              7         0      Not Applicable
  11/16/2025 12 AM PST            4.35              7         0      Not Applicable
  11/16/2025 01 AM PST            4.34              7         -      Not Applicable
  11/16/2025 02 AM PST            4.34              7         0      Not Applicable
  11/16/2025 03 AM PST            4.34              7         0      Not Applicable
  11/16/2025 04 AM PST            4.34              7         0      Not Applicable
  11/16/2025 05 AM PST            4.33              7         -      Not Applicable
  11/16/2025 06 AM PST            4.33              7         0      Not Applicable
  11/16/2025 07 AM PST            4.33              7         0      Not Applicable
  11/16/2025 08 AM PST            4.33              7         0      Not Applicable
  11/16/2025 09 AM PST            4.33              7         0      Not Applicable
  11/16/2025 10 AM PST            4.33              7         0      Not Applicable
  11/16/2025 11 AM PST            4.32              6         -      Not Applicable
  11/16/2025 12 PM PST            4.33              7         +      Not Applicable
  11/16/2025 01 PM PST            4.32              6         -      Not Applicable
  11/16/2025 02 PM PST            4.32              6         0      Not Applicable
  11/16/2025 03 PM PST            4.31              6         -      Not Applicable
  11/16/2025 04 PM PST            4.32              6         +      Not Applicable
  11/16/2025 05 PM PST            4.31              6         -      Not Applicable
  11/16/2025 06 PM PST            4.31              6         0      Not Applicable
  11/16/2025 07 PM PST            4.31              6         0      Not Applicable
  11/16/2025 08 PM PST            4.31              6         0      Not Applicable
  11/16/2025 09 PM PST            4.32              6         +      Not Applicable
  11/16/2025 10 PM PST            4.32              6         0      Not Applicable
  11/16/2025 11 PM PST            4.32              6         0      Not Applicable
  11/17/2025 12 AM PST            4.35              7         +      Not Applicable
  11/17/2025 01 AM PST            4.44              9         +      Not Applicable
  11/17/2025 02 AM PST            4.51             11         +      Not Applicable
  11/17/2025 03 AM PST            4.54             11         +      Not Applicable
  11/17/2025 04 AM PST            4.52             11         -      Not Applicable
  11/17/2025 05 AM PST            4.51             11         -      Not Applicable
  11/17/2025 06 AM PST            4.50             10         -      Not Applicable
  11/17/2025 07 AM PST            4.52             11         +      Not Applicable
  11/17/2025 08 AM PST            4.56             12         +      Not Applicable
  11/17/2025 09 AM PST            4.60             13         +      Not Applicable
  11/17/2025 10 AM PST            4.62             14         +      Not Applicable
  11/17/2025 11 AM PST            4.62             14         0      Not Applicable
  11/17/2025 12 PM PST            4.63             14         +      Not Applicable
  11/17/2025 01 PM PST            4.59             13         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/17/2025 02 PM PST            4.55             12                Not Applicable
  11/17/2025 03 PM PST            4.52             11         -      Not Applicable
  11/17/2025 04 PM PST            4.49             10         -      Not Applicable
  11/17/2025 05 PM PST            4.47             10         -      Not Applicable
  11/17/2025 06 PM PST            4.46              9         -      Not Applicable
  11/17/2025 07 PM PST            4.48             10         +      Not Applicable
  11/17/2025 08 PM PST            4.57             12         +      Not Applicable
  11/17/2025 09 PM PST            4.77             19         +      Not Applicable
  11/17/2025 10 PM PST            5.07             33         +      Not Applicable
  11/17/2025 11 PM PST            5.41             55         +      Not Applicable
  11/18/2025 12 AM PST            5.68             82         +      Not Applicable
  11/18/2025 01 AM PST            5.90            112         +      Not Applicable
  11/18/2025 02 AM PST            6.06            140         +      Not Applicable
  11/18/2025 03 AM PST            6.20            167         +      Not Applicable
  11/18/2025 04 AM PST            6.32            192         +      Not Applicable
  11/18/2025 05 AM PST            6.40            210         +      Not Applicable
  11/18/2025 06 AM PST            6.44            219         +      Not Applicable
  11/18/2025 07 AM PST            6.45            221         +      Not Applicable
  11/18/2025 08 AM PST            6.42            214         -      Not Applicable
  11/18/2025 09 AM PST            6.36            201         -      Not Applicable
  11/18/2025 10 AM PST            6.29            185         -      Not Applicable
  11/18/2025 11 AM PST            6.21            169         -      Not Applicable
  11/18/2025 12 PM PST            6.12            152         -      Not Applicable
  11/18/2025 01 PM PST            6.02            133         -      Not Applicable
  11/18/2025 02 PM PST            5.93            117         -      Not Applicable
  11/18/2025 03 PM PST            5.83            101         -      Not Applicable
  11/18/2025 04 PM PST            5.73             88         -      Not Applicable
  11/18/2025 05 PM PST            5.63             76         -      Not Applicable
  11/18/2025 06 PM PST            5.53             66         -      Not Applicable
  11/18/2025 07 PM PST            5.43             57         -      Not Applicable
  11/18/2025 08 PM PST            5.34             50         -      Not Applicable
  11/18/2025 09 PM PST            5.24             43         -      Not Applicable
  11/18/2025 10 PM PST            5.15             37         -      Not Applicable
  11/18/2025 11 PM PST            5.07             33         -      Not Applicable
  11/19/2025 12 AM PST            5.00             29         -      Not Applicable
  11/19/2025 01 AM PST            4.93             26         -      Not Applicable
  11/19/2025 02 AM PST            4.88             23         -      Not Applicable
  11/19/2025 03 AM PST            4.83             21         -      Not Applicable
  11/19/2025 04 AM PST            4.78             19         -      Not Applicable
  11/19/2025 05 AM PST            4.74             18         -      Not Applicable
  11/19/2025 06 AM PST            4.70             16         -      Not Applicable
  11/19/2025 07 AM PST            4.67             15         -      Not Applicable
  11/19/2025 08 AM PST            4.65             15         -      Not Applicable
  11/19/2025 09 AM PST            4.62             14         -      Not Applicable
  11/19/2025 10 AM PST            4.61             13         -      Not Applicable
  11/19/2025 11 AM PST            4.59             13         -      Not Applicable
  11/19/2025 12 PM PST            4.58             13         -      Not Applicable
  11/19/2025 01 PM PST            4.56             12         -      Not Applicable
  11/19/2025 02 PM PST            4.55             12         -      Not Applicable
  11/19/2025 03 PM PST            4.54             11         -      Not Applicable
  11/19/2025 04 PM PST            4.53             11         -      Not Applicable
  11/19/2025 05 PM PST            4.52             11         -      Not Applicable
  11/19/2025 06 PM PST            4.51             11         -      Not Applicable
  11/19/2025 07 PM PST            4.51             11         0      Not Applicable
  11/19/2025 08 PM PST            4.51             11         0      Not Applicable
  11/19/2025 09 PM PST            4.50             10         -      Not Applicable
  11/19/2025 10 PM PST            4.50             10         0      Not Applicable
  11/19/2025 11 PM PST            4.50             10         0      Not Applicable
  11/20/2025 12 AM PST            4.50             10         0      Not Applicable
  11/20/2025 01 AM PST            4.49             10         -      Not Applicable
  11/20/2025 02 AM PST            4.49             10         0      Not Applicable
  11/20/2025 03 AM PST            4.49             10         0      Not Applicable
  11/20/2025 04 AM PST            4.49             10         0      Not Applicable
  11/20/2025 05 AM PST            4.49             10         0      Not Applicable
  11/20/2025 06 AM PST            4.50             10         +      Not Applicable
  11/20/2025 07 AM PST            4.50             10         0      Not Applicable
  11/20/2025 08 AM PST            4.51             11         +      Not Applicable
  11/20/2025 09 AM PST            4.52             11         +      Not Applicable
  11/20/2025 10 AM PST            4.52             11         0      Not Applicable
  11/20/2025 11 AM PST            4.53             11         +      Not Applicable
  11/20/2025 12 PM PST            4.56             12         +      Not Applicable
  11/20/2025 01 PM PST            4.63             14         +      Not Applicable
  11/20/2025 02 PM PST            4.75             18         +      Not Applicable
  11/20/2025 03 PM PST            4.92             25         +      Not Applicable
  11/20/2025 04 PM PST            5.10             34         +      Not Applicable
  11/20/2025 05 PM PST            5.27             45         +      Not Applicable
  11/20/2025 06 PM PST            5.40             54         +      Not Applicable
  11/20/2025 07 PM PST            5.49             62         +      Not Applicable
  11/20/2025 08 PM PST            5.55             68         +      Not Applicable
  11/20/2025 09 PM PST            5.58             70         +      Not Applicable
  11/20/2025 10 PM PST            5.59             72         +      Not Applicable
  11/20/2025 11 PM PST            5.59             72         0      Not Applicable
  11/21/2025 12 AM PST            5.58             70         -      Not Applicable
  11/21/2025 01 AM PST            5.55             68         -      Not Applicable
  11/21/2025 02 AM PST            5.51             64         -      Not Applicable
  11/21/2025 03 AM PST            5.45             58         -      Not Applicable
  11/21/2025 04 AM PST            5.39             53         -      Not Applicable
  11/21/2025 05 AM PST            5.32             48         -      Not Applicable
  11/21/2025 06 AM PST            5.24             43         -      Not Applicable
  11/21/2025 07 AM PST            5.17             39         -      Not Applicable
  11/21/2025 08 AM PST            5.10             34         -      Not Applicable
  11/21/2025 09 AM PST            5.04             31         -      Not Applicable
  11/21/2025 10 AM PST            4.98             28         -      Not Applicable
  11/21/2025 11 AM PST            4.92             25         -      Not Applicable
  11/21/2025 12 PM PST            4.87             23         -      Not Applicable
  11/21/2025 01 PM PST            4.82             21         -      Not Applicable
  11/21/2025 02 PM PST            4.78             19         -      Not Applicable
  11/21/2025 03 PM PST            4.75             18         -      Not Applicable
  11/21/2025 04 PM PST            4.72             17         -      Not Applicable
  11/21/2025 05 PM PST            4.69             16         -      Not Applicable
  11/21/2025 06 PM PST            4.67             15         -      Not Applicable
  11/21/2025 07 PM PST            4.64             14         -      Not Applicable
  11/21/2025 08 PM PST            4.63             14         -      Not Applicable
  11/21/2025 09 PM PST            4.61             13         -      Not Applicable
  11/21/2025 10 PM PST            4.60             13         -      Not Applicable
  11/21/2025 11 PM PST            4.58             13         -      Not Applicable
  11/22/2025 12 AM PST            4.57             12         -      Not Applicable
  11/22/2025 01 AM PST            4.56             12         -      Not Applicable
  11/22/2025 02 AM PST            4.55             12         -      Not Applicable
  11/22/2025 03 AM PST            4.55             12         0      Not Applicable
  11/22/2025 04 AM PST            4.54             11         -      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.