REDWOOD CREEK - BLUE LAKE (BLKC1)
Latitude: 40.91º NLongitude: 123.81º WElevation: 850 Feet
Location: Humboldt County in CalforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Apr 19 2025 at 7:14 AM PDTNext Issuance: Apr 20 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: Redwood Creek - Blue Lake (BLKC1)
#
# File Generation Time:  04/19/2025 at 07:16 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/14/2025 at 02:00 PM PDT
# Maximum Observed Stage:                       2.73 Feet
# Maximum Observed Flow:                        312 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/19/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.39 Feet
# Maximum Forecast Flow:                        208 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/14/2025 07 AM PDT            2.73            312                Not Applicable
  04/14/2025 08 AM PDT            2.73            312         0      Not Applicable
  04/14/2025 09 AM PDT            2.73            312         0      Not Applicable
  04/14/2025 10 AM PDT            2.73            312         0      Not Applicable
  04/14/2025 11 AM PDT            2.73            312         0      Not Applicable
  04/14/2025 12 PM PDT            2.72            309         -      Not Applicable
  04/14/2025 01 PM PDT            2.72            309         0      Not Applicable
  04/14/2025 02 PM PDT            2.73            312         +      Not Applicable
  04/14/2025 03 PM PDT            2.72            309         -      Not Applicable
  04/14/2025 04 PM PDT            2.70            302         -      Not Applicable
  04/14/2025 05 PM PDT            2.70            302         0      Not Applicable
  04/14/2025 06 PM PDT            2.70            302         0      Not Applicable
  04/14/2025 07 PM PDT            2.69            299         -      Not Applicable
  04/14/2025 08 PM PDT            2.67            293         -      Not Applicable
  04/14/2025 09 PM PDT            2.68            296         +      Not Applicable
  04/14/2025 10 PM PDT            2.66            289         -      Not Applicable
  04/14/2025 11 PM PDT            2.67            293         +      Not Applicable
  04/15/2025 12 AM PDT            2.67            293         0      Not Applicable
  04/15/2025 01 AM PDT            2.67            293         0      Not Applicable
  04/15/2025 02 AM PDT            2.66            289         -      Not Applicable
  04/15/2025 03 AM PDT            2.66            289         0      Not Applicable
  04/15/2025 04 AM PDT            2.66            289         0      Not Applicable
  04/15/2025 05 AM PDT            2.66            289         0      Not Applicable
  04/15/2025 06 AM PDT            2.65            286         -      Not Applicable
  04/15/2025 07 AM PDT            2.64            283         -      Not Applicable
  04/15/2025 08 AM PDT            2.64            283         0      Not Applicable
  04/15/2025 09 AM PDT            2.65            286         +      Not Applicable
  04/15/2025 10 AM PDT            2.65            286         0      Not Applicable
  04/15/2025 11 AM PDT            2.65            286         0      Not Applicable
  04/15/2025 12 PM PDT            2.64            283         -      Not Applicable
  04/15/2025 01 PM PDT            2.65            286         +      Not Applicable
  04/15/2025 02 PM PDT            2.63            280         -      Not Applicable
  04/15/2025 03 PM PDT            2.63            280         0      Not Applicable
  04/15/2025 04 PM PDT            2.63            280         0      Not Applicable
  04/15/2025 05 PM PDT            2.61            274         -      Not Applicable
  04/15/2025 06 PM PDT            2.61            274         0      Not Applicable
  04/15/2025 07 PM PDT            2.60            271         -      Not Applicable
  04/15/2025 08 PM PDT            2.60            271         0      Not Applicable
  04/15/2025 09 PM PDT            2.60            271         0      Not Applicable
  04/15/2025 10 PM PDT            2.60            271         0      Not Applicable
  04/15/2025 11 PM PDT            2.60            271         0      Not Applicable
  04/16/2025 12 AM PDT            2.60            271         0      Not Applicable
  04/16/2025 01 AM PDT            2.59            268         -      Not Applicable
  04/16/2025 02 AM PDT            2.61            274         +      Not Applicable
  04/16/2025 03 AM PDT            2.58            265         -      Not Applicable
  04/16/2025 04 AM PDT            2.59            268         +      Not Applicable
  04/16/2025 05 AM PDT            2.58            265         -      Not Applicable
  04/16/2025 06 AM PDT            2.59            268         +      Not Applicable
  04/16/2025 07 AM PDT            2.59            268         0      Not Applicable
  04/16/2025 08 AM PDT            2.58            265         -      Not Applicable
  04/16/2025 09 AM PDT            2.58            265         0      Not Applicable
  04/16/2025 10 AM PDT            2.57            262         -      Not Applicable
  04/16/2025 11 AM PDT            2.57            262         0      Not Applicable
  04/16/2025 12 PM PDT            2.58            265         +      Not Applicable
  04/16/2025 01 PM PDT            2.57            262         -      Not Applicable
  04/16/2025 02 PM PDT            2.56            259         -      Not Applicable
  04/16/2025 03 PM PDT            2.56            259         0      Not Applicable
  04/16/2025 04 PM PDT            2.56            259         0      Not Applicable
  04/16/2025 05 PM PDT            2.56            259         0      Not Applicable
  04/16/2025 06 PM PDT            2.54            253         -      Not Applicable
  04/16/2025 07 PM PDT            2.54            253         0      Not Applicable
  04/16/2025 08 PM PDT            2.53            249         -      Not Applicable
  04/16/2025 09 PM PDT            2.53            249         0      Not Applicable
  04/16/2025 10 PM PDT            2.52            246         -      Not Applicable
  04/16/2025 11 PM PDT            2.52            246         0      Not Applicable
  04/17/2025 12 AM PDT            2.52            246         0      Not Applicable
  04/17/2025 01 AM PDT            2.53            249         +      Not Applicable
  04/17/2025 02 AM PDT            2.53            249         0      Not Applicable
  04/17/2025 03 AM PDT            2.51            243         -      Not Applicable
  04/17/2025 04 AM PDT            2.52            246         +      Not Applicable
  04/17/2025 05 AM PDT            2.52            246         0      Not Applicable
  04/17/2025 06 AM PDT            2.51            243         -      Not Applicable
  04/17/2025 07 AM PDT            2.52            246         +      Not Applicable
  04/17/2025 08 AM PDT            2.51            243         -      Not Applicable
  04/17/2025 09 AM PDT            2.50            240         -      Not Applicable
  04/17/2025 10 AM PDT            2.50            240         0      Not Applicable
  04/17/2025 11 AM PDT            2.50            240         0      Not Applicable
  04/17/2025 12 PM PDT            2.51            243         +      Not Applicable
  04/17/2025 01 PM PDT            2.51            243         0      Not Applicable
  04/17/2025 02 PM PDT            2.50            240         -      Not Applicable
  04/17/2025 03 PM PDT            2.49            237         -      Not Applicable
  04/17/2025 04 PM PDT            2.49            237         0      Not Applicable
  04/17/2025 05 PM PDT            2.48            234         -      Not Applicable
  04/17/2025 06 PM PDT            2.47            231         -      Not Applicable
  04/17/2025 07 PM PDT            2.47            231         0      Not Applicable
  04/17/2025 08 PM PDT            2.46            228         -      Not Applicable
  04/17/2025 09 PM PDT            2.45            225         -      Not Applicable
  04/17/2025 10 PM PDT            2.45            225         0      Not Applicable
  04/17/2025 11 PM PDT            2.45            225         0      Not Applicable
  04/18/2025 12 AM PDT            2.44            223         -      Not Applicable
  04/18/2025 01 AM PDT            2.44            223         0      Not Applicable
  04/18/2025 02 AM PDT            2.45            225         +      Not Applicable
  04/18/2025 03 AM PDT            2.45            225         0      Not Applicable
  04/18/2025 04 AM PDT            2.45            225         0      Not Applicable
  04/18/2025 05 AM PDT            2.45            225         0      Not Applicable
  04/18/2025 06 AM PDT            2.43            220         -      Not Applicable
  04/18/2025 07 AM PDT            2.44            223         +      Not Applicable
  04/18/2025 08 AM PDT            2.44            223         0      Not Applicable
  04/18/2025 09 AM PDT            2.43            220         -      Not Applicable
  04/18/2025 10 AM PDT            2.43            220         0      Not Applicable
  04/18/2025 11 AM PDT            2.44            223         +      Not Applicable
  04/18/2025 12 PM PDT            2.43            220         -      Not Applicable
  04/18/2025 01 PM PDT            2.42            217         -      Not Applicable
  04/18/2025 02 PM PDT            2.42            217         0      Not Applicable
  04/18/2025 03 PM PDT            2.42            217         0      Not Applicable
  04/18/2025 04 PM PDT            2.41            214         -      Not Applicable
  04/18/2025 05 PM PDT            2.41            214         0      Not Applicable
  04/18/2025 06 PM PDT            2.41            214         0      Not Applicable
  04/18/2025 07 PM PDT            2.41            214         0      Not Applicable
  04/18/2025 08 PM PDT            2.41            214         0      Not Applicable
  04/18/2025 09 PM PDT            2.41            214         0      Not Applicable
  04/18/2025 10 PM PDT            2.40            211         -      Not Applicable
  04/18/2025 11 PM PDT            2.40            211         0      Not Applicable
  04/19/2025 12 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 01 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 02 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 03 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 04 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 05 AM PDT            2.40            211         0      Not Applicable
  04/19/2025 06 AM PDT            2.39            208         -      Not Applicable
  04/19/2025 07 AM PDT            2.39            208         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/19/2025 08 AM PDT            2.39            208                Not Applicable
  04/19/2025 09 AM PDT            2.39            208         0      Not Applicable
  04/19/2025 10 AM PDT            2.39            208         0      Not Applicable
  04/19/2025 11 AM PDT            2.39            208         0      Not Applicable
  04/19/2025 12 PM PDT            2.39            208         0      Not Applicable
  04/19/2025 01 PM PDT            2.39            208         0      Not Applicable
  04/19/2025 02 PM PDT            2.38            205         -      Not Applicable
  04/19/2025 03 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 04 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 05 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 06 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 07 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 08 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 09 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 10 PM PDT            2.38            205         0      Not Applicable
  04/19/2025 11 PM PDT            2.37            203         -      Not Applicable
  04/20/2025 12 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 01 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 02 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 03 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 04 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 05 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 06 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 07 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 08 AM PDT            2.37            203         0      Not Applicable
  04/20/2025 09 AM PDT            2.36            200         -      Not Applicable
  04/20/2025 10 AM PDT            2.36            200         0      Not Applicable
  04/20/2025 11 AM PDT            2.36            200         0      Not Applicable
  04/20/2025 12 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 01 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 02 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 03 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 04 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 05 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 06 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 07 PM PDT            2.36            200         0      Not Applicable
  04/20/2025 08 PM PDT            2.35            197         -      Not Applicable
  04/20/2025 09 PM PDT            2.35            197         0      Not Applicable
  04/20/2025 10 PM PDT            2.35            197         0      Not Applicable
  04/20/2025 11 PM PDT            2.35            197         0      Not Applicable
  04/21/2025 12 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 01 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 02 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 03 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 04 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 05 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 06 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 07 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 08 AM PDT            2.35            197         0      Not Applicable
  04/21/2025 09 AM PDT            2.34            194         -      Not Applicable
  04/21/2025 10 AM PDT            2.34            194         0      Not Applicable
  04/21/2025 11 AM PDT            2.34            194         0      Not Applicable
  04/21/2025 12 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 01 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 02 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 03 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 04 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 05 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 06 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 07 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 08 PM PDT            2.34            194         0      Not Applicable
  04/21/2025 09 PM PDT            2.33            191         -      Not Applicable
  04/21/2025 10 PM PDT            2.33            191         0      Not Applicable
  04/21/2025 11 PM PDT            2.33            191         0      Not Applicable
  04/22/2025 12 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 01 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 02 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 03 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 04 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 05 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 06 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 07 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 08 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 09 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 10 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 11 AM PDT            2.33            191         0      Not Applicable
  04/22/2025 12 PM PDT            2.33            191         0      Not Applicable
  04/22/2025 01 PM PDT            2.33            191         0      Not Applicable
  04/22/2025 02 PM PDT            2.32            189         -      Not Applicable
  04/22/2025 03 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 04 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 05 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 06 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 07 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 08 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 09 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 10 PM PDT            2.32            189         0      Not Applicable
  04/22/2025 11 PM PDT            2.32            189         0      Not Applicable
  04/23/2025 12 AM PDT            2.32            189         0      Not Applicable
  04/23/2025 01 AM PDT            2.32            189         0      Not Applicable
  04/23/2025 02 AM PDT            2.32            189         0      Not Applicable
  04/23/2025 03 AM PDT            2.32            189         0      Not Applicable
  04/23/2025 04 AM PDT            2.31            186         -      Not Applicable
  04/23/2025 05 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 06 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 07 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 08 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 09 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 10 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 11 AM PDT            2.31            186         0      Not Applicable
  04/23/2025 12 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 01 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 02 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 03 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 04 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 05 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 06 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 07 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 08 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 09 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 10 PM PDT            2.31            186         0      Not Applicable
  04/23/2025 11 PM PDT            2.31            186         0      Not Applicable
  04/24/2025 12 AM PDT            2.31            186         0      Not Applicable
  04/24/2025 01 AM PDT            2.31            186         0      Not Applicable
  04/24/2025 02 AM PDT            2.30            183         -      Not Applicable
  04/24/2025 03 AM PDT            2.30            183         0      Not Applicable
  04/24/2025 04 AM PDT            2.30            183         0      Not Applicable
  04/24/2025 05 AM PDT            2.30            183         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.