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: May 03 2025 at 8:56 AM PDTNext Issuance: May 04 2025 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:  05/03/2025 at 08:57 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/28/2025 at 10:00 AM PDT
# Maximum Observed Stage:                       5.19 Feet
# Maximum Observed Flow:                        46 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/03/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       4.87 Feet
# Maximum Forecast Flow:                        27 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/28/2025 08 AM PDT            5.19             46                Not Applicable
  04/28/2025 09 AM PDT            5.19             46         0      Not Applicable
  04/28/2025 10 AM PDT            5.19             46         0      Not Applicable
  04/28/2025 11 AM PDT            5.18             45         -      Not Applicable
  04/28/2025 12 PM PDT            5.17             44         -      Not Applicable
  04/28/2025 01 PM PDT            5.16             44         -      Not Applicable
  04/28/2025 02 PM PDT            5.16             44         0      Not Applicable
  04/28/2025 03 PM PDT            5.15             43         -      Not Applicable
  04/28/2025 04 PM PDT            5.14             42         -      Not Applicable
  04/28/2025 05 PM PDT            5.13             42         -      Not Applicable
  04/28/2025 06 PM PDT            5.12             41         -      Not Applicable
  04/28/2025 07 PM PDT            5.11             40         -      Not Applicable
  04/28/2025 08 PM PDT            5.11             40         0      Not Applicable
  04/28/2025 09 PM PDT            5.10             40         -      Not Applicable
  04/28/2025 10 PM PDT            5.09             39         -      Not Applicable
  04/28/2025 11 PM PDT            5.09             39         0      Not Applicable
  04/29/2025 12 AM PDT            5.08             39         -      Not Applicable
  04/29/2025 01 AM PDT            5.07             38         -      Not Applicable
  04/29/2025 02 AM PDT            5.07             38         0      Not Applicable
  04/29/2025 03 AM PDT            5.07             38         0      Not Applicable
  04/29/2025 04 AM PDT            5.06             37         -      Not Applicable
  04/29/2025 05 AM PDT            5.06             37         0      Not Applicable
  04/29/2025 06 AM PDT            5.06             37         0      Not Applicable
  04/29/2025 07 AM PDT            5.06             37         0      Not Applicable
  04/29/2025 08 AM PDT            5.05             37         -      Not Applicable
  04/29/2025 09 AM PDT            5.07             38         +      Not Applicable
  04/29/2025 10 AM PDT            5.07             38         0      Not Applicable
  04/29/2025 11 AM PDT            5.06             37         -      Not Applicable
  04/29/2025 12 PM PDT            5.06             37         0      Not Applicable
  04/29/2025 01 PM PDT            5.06             37         0      Not Applicable
  04/29/2025 02 PM PDT            5.06             37         0      Not Applicable
  04/29/2025 03 PM PDT            5.05             37         -      Not Applicable
  04/29/2025 04 PM PDT            5.04             36         -      Not Applicable
  04/29/2025 05 PM PDT            5.04             36         0      Not Applicable
  04/29/2025 06 PM PDT            5.03             36         -      Not Applicable
  04/29/2025 07 PM PDT            5.03             36         0      Not Applicable
  04/29/2025 08 PM PDT            5.03             36         0      Not Applicable
  04/29/2025 09 PM PDT            5.02             35         -      Not Applicable
  04/29/2025 10 PM PDT            5.02             35         0      Not Applicable
  04/29/2025 11 PM PDT            5.01             34         -      Not Applicable
  04/30/2025 12 AM PDT            5.01             34         0      Not Applicable
  04/30/2025 01 AM PDT            5.01             34         0      Not Applicable
  04/30/2025 02 AM PDT            5.00             34         -      Not Applicable
  04/30/2025 03 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 04 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 05 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 06 AM PDT            4.99             33         -      Not Applicable
  04/30/2025 07 AM PDT            5.00             34         +      Not Applicable
  04/30/2025 08 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 09 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 10 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 11 AM PDT            5.00             34         0      Not Applicable
  04/30/2025 12 PM PDT            4.99             33         -      Not Applicable
  04/30/2025 01 PM PDT            4.99             33         0      Not Applicable
  04/30/2025 02 PM PDT            4.99             33         0      Not Applicable
  04/30/2025 03 PM PDT            4.99             33         0      Not Applicable
  04/30/2025 04 PM PDT            4.98             33         -      Not Applicable
  04/30/2025 05 PM PDT            4.98             33         0      Not Applicable
  04/30/2025 06 PM PDT            4.98             33         0      Not Applicable
  04/30/2025 07 PM PDT            4.97             32         -      Not Applicable
  04/30/2025 08 PM PDT            4.97             32         0      Not Applicable
  04/30/2025 09 PM PDT            4.96             32         -      Not Applicable
  04/30/2025 10 PM PDT            4.96             32         0      Not Applicable
  04/30/2025 11 PM PDT            4.96             32         0      Not Applicable
  05/01/2025 12 AM PDT            4.95             31         -      Not Applicable
  05/01/2025 01 AM PDT            4.95             31         0      Not Applicable
  05/01/2025 02 AM PDT            4.95             31         0      Not Applicable
  05/01/2025 03 AM PDT            4.95             31         0      Not Applicable
  05/01/2025 04 AM PDT            4.95             31         0      Not Applicable
  05/01/2025 05 AM PDT            4.94             31         -      Not Applicable
  05/01/2025 06 AM PDT            4.94             31         0      Not Applicable
  05/01/2025 07 AM PDT            4.93             30         -      Not Applicable
  05/01/2025 08 AM PDT            4.94             31         +      Not Applicable
  05/01/2025 09 AM PDT            4.96             32         +      Not Applicable
  05/01/2025 10 AM PDT            4.96             32         0      Not Applicable
  05/01/2025 11 AM PDT            4.96             32         0      Not Applicable
  05/01/2025 12 PM PDT            4.96             32         0      Not Applicable
  05/01/2025 01 PM PDT            4.96             32         0      Not Applicable
  05/01/2025 02 PM PDT            4.96             32         0      Not Applicable
  05/01/2025 03 PM PDT            4.96             32         0      Not Applicable
  05/01/2025 04 PM PDT            4.95             31         -      Not Applicable
  05/01/2025 05 PM PDT            4.95             31         0      Not Applicable
  05/01/2025 06 PM PDT            4.94             31         -      Not Applicable
  05/01/2025 07 PM PDT            4.94             31         0      Not Applicable
  05/01/2025 08 PM PDT            4.94             31         0      Not Applicable
  05/01/2025 09 PM PDT            4.93             30         -      Not Applicable
  05/01/2025 10 PM PDT            4.93             30         0      Not Applicable
  05/01/2025 11 PM PDT            4.92             30         -      Not Applicable
  05/02/2025 12 AM PDT            4.93             30         +      Not Applicable
  05/02/2025 01 AM PDT            4.93             30         0      Not Applicable
  05/02/2025 02 AM PDT            4.92             30         -      Not Applicable
  05/02/2025 03 AM PDT            4.92             30         0      Not Applicable
  05/02/2025 04 AM PDT            4.91             29         -      Not Applicable
  05/02/2025 05 AM PDT            4.91             29         0      Not Applicable
  05/02/2025 06 AM PDT            4.91             29         0      Not Applicable
  05/02/2025 07 AM PDT            4.91             29         0      Not Applicable
  05/02/2025 08 AM PDT            4.91             29         0      Not Applicable
  05/02/2025 09 AM PDT            4.92             30         +      Not Applicable
  05/02/2025 10 AM PDT            4.92             30         0      Not Applicable
  05/02/2025 11 AM PDT            4.92             30         0      Not Applicable
  05/02/2025 12 PM PDT            4.92             30         0      Not Applicable
  05/02/2025 01 PM PDT            4.92             30         0      Not Applicable
  05/02/2025 02 PM PDT            4.92             30         0      Not Applicable
  05/02/2025 03 PM PDT            4.91             29         -      Not Applicable
  05/02/2025 04 PM PDT            4.91             29         0      Not Applicable
  05/02/2025 05 PM PDT            4.91             29         0      Not Applicable
  05/02/2025 06 PM PDT            4.90             29         -      Not Applicable
  05/02/2025 07 PM PDT            4.90             29         0      Not Applicable
  05/02/2025 08 PM PDT            4.90             29         0      Not Applicable
  05/02/2025 09 PM PDT            4.89             28         -      Not Applicable
  05/02/2025 10 PM PDT            4.88             28         -      Not Applicable
  05/02/2025 11 PM PDT            4.88             28         0      Not Applicable
  05/03/2025 12 AM PDT            4.88             28         0      Not Applicable
  05/03/2025 01 AM PDT            4.88             28         0      Not Applicable
  05/03/2025 02 AM PDT            4.87             27         -      Not Applicable
  05/03/2025 03 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 04 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 05 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 06 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 07 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 08 AM PDT            4.87             27         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/03/2025 09 AM PDT            4.87             27                Not Applicable
  05/03/2025 10 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 11 AM PDT            4.87             27         0      Not Applicable
  05/03/2025 12 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 01 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 02 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 03 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 04 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 05 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 06 PM PDT            4.87             27         0      Not Applicable
  05/03/2025 07 PM PDT            4.86             27         -      Not Applicable
  05/03/2025 08 PM PDT            4.86             27         0      Not Applicable
  05/03/2025 09 PM PDT            4.86             27         0      Not Applicable
  05/03/2025 10 PM PDT            4.86             27         0      Not Applicable
  05/03/2025 11 PM PDT            4.87             27         +      Not Applicable
  05/04/2025 12 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 01 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 02 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 03 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 04 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 05 AM PDT            4.87             27         0      Not Applicable
  05/04/2025 06 AM PDT            4.86             27         -      Not Applicable
  05/04/2025 07 AM PDT            4.86             27         0      Not Applicable
  05/04/2025 08 AM PDT            4.86             27         0      Not Applicable
  05/04/2025 09 AM PDT            4.86             27         0      Not Applicable
  05/04/2025 10 AM PDT            4.86             27         0      Not Applicable
  05/04/2025 11 AM PDT            4.86             27         0      Not Applicable
  05/04/2025 12 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 01 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 02 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 03 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 04 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 05 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 06 PM PDT            4.86             27         0      Not Applicable
  05/04/2025 07 PM PDT            4.85             26         -      Not Applicable
  05/04/2025 08 PM PDT            4.85             26         0      Not Applicable
  05/04/2025 09 PM PDT            4.85             26         0      Not Applicable
  05/04/2025 10 PM PDT            4.85             26         0      Not Applicable
  05/04/2025 11 PM PDT            4.85             26         0      Not Applicable
  05/05/2025 12 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 01 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 02 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 03 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 04 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 05 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 06 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 07 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 08 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 09 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 10 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 11 AM PDT            4.85             26         0      Not Applicable
  05/05/2025 12 PM PDT            4.85             26         0      Not Applicable
  05/05/2025 01 PM PDT            4.85             26         0      Not Applicable
  05/05/2025 02 PM PDT            4.85             26         0      Not Applicable
  05/05/2025 03 PM PDT            4.84             26         -      Not Applicable
  05/05/2025 04 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 05 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 06 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 07 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 08 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 09 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 10 PM PDT            4.84             26         0      Not Applicable
  05/05/2025 11 PM PDT            4.84             26         0      Not Applicable
  05/06/2025 12 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 01 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 02 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 03 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 04 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 05 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 06 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 07 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 08 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 09 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 10 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 11 AM PDT            4.84             26         0      Not Applicable
  05/06/2025 12 PM PDT            4.84             26         0      Not Applicable
  05/06/2025 01 PM PDT            4.84             26         0      Not Applicable
  05/06/2025 02 PM PDT            4.83             25         -      Not Applicable
  05/06/2025 03 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 04 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 05 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 06 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 07 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 08 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 09 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 10 PM PDT            4.83             25         0      Not Applicable
  05/06/2025 11 PM PDT            4.83             25         0      Not Applicable
  05/07/2025 12 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 01 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 02 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 03 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 04 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 05 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 06 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 07 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 08 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 09 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 10 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 11 AM PDT            4.83             25         0      Not Applicable
  05/07/2025 12 PM PDT            4.83             25         0      Not Applicable
  05/07/2025 01 PM PDT            4.83             25         0      Not Applicable
  05/07/2025 02 PM PDT            4.82             25         -      Not Applicable
  05/07/2025 03 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 04 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 05 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 06 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 07 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 08 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 09 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 10 PM PDT            4.82             25         0      Not Applicable
  05/07/2025 11 PM PDT            4.82             25         0      Not Applicable
  05/08/2025 12 AM PDT            4.82             25         0      Not Applicable
  05/08/2025 01 AM PDT            4.82             25         0      Not Applicable
  05/08/2025 02 AM PDT            4.82             25         0      Not Applicable
  05/08/2025 03 AM PDT            4.82             25         0      Not Applicable
  05/08/2025 04 AM PDT            4.82             25         0      Not Applicable
  05/08/2025 05 AM PDT            4.82             25         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.