MAD RIVER - ARCATA (ARCC1)
Latitude: 40.91º NLongitude: 124.06º WElevation: 13 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Apr 18 2021 at 8:04 AM PDTNext Issuance: Apr 19 2021 at 9:00 AM PDT
Monitor Stage: 15.0 FeetFlood Stage: 22.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mad River - Arcata (ARCC1)
#
# File Generation Time:  04/18/2021 at 08:04 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/13/2021 at 09:00 PM PDT
# Maximum Observed Stage:                       6.8 Feet
# Maximum Observed Flow:                        336 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/18/2021 at 08:00 AM PDT
# Maximum Forecast Stage:                       6.6 Feet
# Maximum Forecast Flow:                        267 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/13/2021 08 AM PDT             6.7            325                        Normal
  04/13/2021 09 AM PDT             6.7            325         0              Normal
  04/13/2021 10 AM PDT             6.7            325         0              Normal
  04/13/2021 11 AM PDT             6.7            325         0              Normal
  04/13/2021 12 PM PDT             6.7            329         +              Normal
  04/13/2021 01 PM PDT             6.7            329         0              Normal
  04/13/2021 02 PM PDT             6.7            329         0              Normal
  04/13/2021 03 PM PDT             6.7            329         0              Normal
  04/13/2021 04 PM PDT             6.8            333         +              Normal
  04/13/2021 05 PM PDT             6.8            333         0              Normal
  04/13/2021 06 PM PDT             6.8            333         0              Normal
  04/13/2021 07 PM PDT             6.8            336         +              Normal
  04/13/2021 08 PM PDT             6.8            336         0              Normal
  04/13/2021 09 PM PDT             6.8            336         0              Normal
  04/13/2021 10 PM PDT             6.8            333         -              Normal
  04/13/2021 11 PM PDT             6.8            333         0              Normal
  04/14/2021 12 AM PDT             6.7            329         -              Normal
  04/14/2021 01 AM PDT             6.7            322         -              Normal
  04/14/2021 02 AM PDT             6.7            318         -              Normal
  04/14/2021 03 AM PDT             6.7            318         0              Normal
  04/14/2021 04 AM PDT             6.7            322         +              Normal
  04/14/2021 05 AM PDT             6.7            322         0              Normal
  04/14/2021 06 AM PDT             6.7            322         0              Normal
  04/14/2021 07 AM PDT             6.7            322         0              Normal
  04/14/2021 08 AM PDT             6.7            325         +              Normal
  04/14/2021 09 AM PDT             6.7            314         -              Normal
  04/14/2021 10 AM PDT             6.7            314         0              Normal
  04/14/2021 11 AM PDT             6.7            311         -              Normal
  04/14/2021 12 PM PDT             6.7            314         +              Normal
  04/14/2021 01 PM PDT             6.7            311         -              Normal
  04/14/2021 02 PM PDT             6.7            314         +              Normal
  04/14/2021 03 PM PDT             6.7            311         -              Normal
  04/14/2021 04 PM PDT             6.7            314         +              Normal
  04/14/2021 05 PM PDT             6.7            318         +              Normal
  04/14/2021 06 PM PDT             6.7            322         +              Normal
  04/14/2021 07 PM PDT             6.7            318         -              Normal
  04/14/2021 08 PM PDT             6.7            318         0              Normal
  04/14/2021 09 PM PDT             6.7            318         0              Normal
  04/14/2021 10 PM PDT             6.7            314         -              Normal
  04/14/2021 11 PM PDT             6.7            314         0              Normal
  04/15/2021 12 AM PDT             6.7            314         0              Normal
  04/15/2021 01 AM PDT             6.7            307         -              Normal
  04/15/2021 02 AM PDT             6.7            307         0              Normal
  04/15/2021 03 AM PDT             6.7            304         -              Normal
  04/15/2021 04 AM PDT             6.7            300         -              Normal
  04/15/2021 05 AM PDT             6.7            304         +              Normal
  04/15/2021 06 AM PDT             6.7            300         -              Normal
  04/15/2021 07 AM PDT             6.7            300         0              Normal
  04/15/2021 08 AM PDT             6.7            304         +              Normal
  04/15/2021 09 AM PDT             6.7            304         0              Normal
  04/15/2021 10 AM PDT             6.7            300         -              Normal
  04/15/2021 11 AM PDT             6.7            300         0              Normal
  04/15/2021 12 PM PDT             6.7            300         0              Normal
  04/15/2021 01 PM PDT             6.7            304         +              Normal
  04/15/2021 02 PM PDT             6.7            304         0              Normal
  04/15/2021 03 PM PDT             6.7            300         -              Normal
  04/15/2021 04 PM PDT             6.7            300         0              Normal
  04/15/2021 05 PM PDT             6.7            307         +              Normal
  04/15/2021 06 PM PDT             6.7            304         -              Normal
  04/15/2021 07 PM PDT             6.7            304         0              Normal
  04/15/2021 08 PM PDT             6.7            304         0              Normal
  04/15/2021 09 PM PDT             6.7            304         0              Normal
  04/15/2021 10 PM PDT             6.7            304         0              Normal
  04/15/2021 11 PM PDT             6.7            304         0              Normal
  04/16/2021 12 AM PDT             6.7            300         -              Normal
  04/16/2021 01 AM PDT             6.7            297         -              Normal
  04/16/2021 02 AM PDT             6.6            293         -              Normal
  04/16/2021 03 AM PDT             6.6            293         0              Normal
  04/16/2021 04 AM PDT             6.6            293         0              Normal
  04/16/2021 05 AM PDT             6.6            289         -              Normal
  04/16/2021 06 AM PDT             6.6            289         0              Normal
  04/16/2021 07 AM PDT             6.6            289         0              Normal
  04/16/2021 08 AM PDT             6.6            285         -              Normal
  04/16/2021 09 AM PDT             6.6            285         0              Normal
  04/16/2021 10 AM PDT             6.6            282         -              Normal
  04/16/2021 11 AM PDT             6.6            282         0              Normal
  04/16/2021 12 PM PDT             6.6            282         0              Normal
  04/16/2021 01 PM PDT             6.6            278         -              Normal
  04/16/2021 02 PM PDT             6.6            282         +              Normal
  04/16/2021 03 PM PDT             6.6            282         0              Normal
  04/16/2021 04 PM PDT             6.6            282         0              Normal
  04/16/2021 05 PM PDT             6.6            289         +              Normal
  04/16/2021 06 PM PDT             6.6            289         0              Normal
  04/16/2021 07 PM PDT             6.6            289         0              Normal
  04/16/2021 08 PM PDT             6.7            297         +              Normal
  04/16/2021 09 PM PDT             6.7            297         0              Normal
  04/16/2021 10 PM PDT             6.7            297         0              Normal
  04/16/2021 11 PM PDT             6.6            293         -              Normal
  04/17/2021 12 AM PDT             6.6            293         0              Normal
  04/17/2021 01 AM PDT             6.6            289         -              Normal
  04/17/2021 02 AM PDT             6.6            289         0              Normal
  04/17/2021 03 AM PDT             6.6            285         -              Normal
  04/17/2021 04 AM PDT             6.6            285         0              Normal
  04/17/2021 05 AM PDT             6.6            282         -              Normal
  04/17/2021 06 AM PDT             6.6            282         0              Normal
  04/17/2021 07 AM PDT             6.6            282         0              Normal
  04/17/2021 08 AM PDT             6.6            285         +              Normal
  04/17/2021 09 AM PDT             6.6            285         0              Normal
  04/17/2021 10 AM PDT             6.6            285         0              Normal
  04/17/2021 11 AM PDT             6.6            285         0              Normal
  04/17/2021 12 PM PDT             6.6            278         -              Normal
  04/17/2021 01 PM PDT             6.6            278         0              Normal
  04/17/2021 02 PM PDT             6.6            278         0              Normal
  04/17/2021 03 PM PDT             6.6            278         0              Normal
  04/17/2021 04 PM PDT             6.6            278         0              Normal
  04/17/2021 05 PM PDT             6.6            285         +              Normal
  04/17/2021 06 PM PDT             6.6            285         0              Normal
  04/17/2021 07 PM PDT             6.6            285         0              Normal
  04/17/2021 08 PM PDT             6.6            289         +              Normal
  04/17/2021 09 PM PDT             6.6            289         0              Normal
  04/17/2021 10 PM PDT             6.6            285         -              Normal
  04/17/2021 11 PM PDT             6.6            282         -              Normal
  04/18/2021 12 AM PDT             6.6            282         0              Normal
  04/18/2021 01 AM PDT             6.6            278         -              Normal
  04/18/2021 02 AM PDT             6.6            274         -              Normal
  04/18/2021 03 AM PDT             6.6            274         0              Normal
  04/18/2021 04 AM PDT             6.6            271         -              Normal
  04/18/2021 05 AM PDT             6.6            271         0              Normal
  04/18/2021 06 AM PDT             6.6            271         0              Normal
  04/18/2021 07 AM PDT             6.6            271         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/18/2021 08 AM PDT             6.6            267                        Normal
  04/18/2021 09 AM PDT             6.6            267         0              Normal
  04/18/2021 10 AM PDT             6.6            267         0              Normal
  04/18/2021 11 AM PDT             6.6            267         0              Normal
  04/18/2021 12 PM PDT             6.6            267         0              Normal
  04/18/2021 01 PM PDT             6.6            267         0              Normal
  04/18/2021 02 PM PDT             6.6            267         0              Normal
  04/18/2021 03 PM PDT             6.6            264         -              Normal
  04/18/2021 04 PM PDT             6.6            264         0              Normal
  04/18/2021 05 PM PDT             6.6            264         0              Normal
  04/18/2021 06 PM PDT             6.6            264         0              Normal
  04/18/2021 07 PM PDT             6.6            264         0              Normal
  04/18/2021 08 PM PDT             6.5            260         -              Normal
  04/18/2021 09 PM PDT             6.5            260         0              Normal
  04/18/2021 10 PM PDT             6.5            260         0              Normal
  04/18/2021 11 PM PDT             6.5            260         0              Normal
  04/19/2021 12 AM PDT             6.5            260         0              Normal
  04/19/2021 01 AM PDT             6.5            257         -              Normal
  04/19/2021 02 AM PDT             6.5            257         0              Normal
  04/19/2021 03 AM PDT             6.5            257         0              Normal
  04/19/2021 04 AM PDT             6.5            257         0              Normal
  04/19/2021 05 AM PDT             6.5            257         0              Normal
  04/19/2021 06 AM PDT             6.5            257         0              Normal
  04/19/2021 07 AM PDT             6.5            257         0              Normal
  04/19/2021 08 AM PDT             6.5            253         -              Normal
  04/19/2021 09 AM PDT             6.5            253         0              Normal
  04/19/2021 10 AM PDT             6.5            253         0              Normal
  04/19/2021 11 AM PDT             6.5            253         0              Normal
  04/19/2021 12 PM PDT             6.5            253         0              Normal
  04/19/2021 01 PM PDT             6.5            253         0              Normal
  04/19/2021 02 PM PDT             6.5            250         -              Normal
  04/19/2021 03 PM PDT             6.5            250         0              Normal
  04/19/2021 04 PM PDT             6.5            250         0              Normal
  04/19/2021 05 PM PDT             6.5            250         0              Normal
  04/19/2021 06 PM PDT             6.5            250         0              Normal
  04/19/2021 07 PM PDT             6.5            250         0              Normal
  04/19/2021 08 PM PDT             6.5            250         0              Normal
  04/19/2021 09 PM PDT             6.5            247         -              Normal
  04/19/2021 10 PM PDT             6.5            247         0              Normal
  04/19/2021 11 PM PDT             6.5            247         0              Normal
  04/20/2021 12 AM PDT             6.5            247         0              Normal
  04/20/2021 01 AM PDT             6.5            247         0              Normal
  04/20/2021 02 AM PDT             6.5            247         0              Normal
  04/20/2021 03 AM PDT             6.5            247         0              Normal
  04/20/2021 04 AM PDT             6.5            243         -              Normal
  04/20/2021 05 AM PDT             6.5            243         0              Normal
  04/20/2021 06 AM PDT             6.5            243         0              Normal
  04/20/2021 07 AM PDT             6.5            243         0              Normal
  04/20/2021 08 AM PDT             6.5            243         0              Normal
  04/20/2021 09 AM PDT             6.5            243         0              Normal
  04/20/2021 10 AM PDT             6.5            243         0              Normal
  04/20/2021 11 AM PDT             6.5            243         0              Normal
  04/20/2021 12 PM PDT             6.5            243         0              Normal
  04/20/2021 01 PM PDT             6.5            243         0              Normal
  04/20/2021 02 PM PDT             6.5            243         0              Normal
  04/20/2021 03 PM PDT             6.5            243         0              Normal
  04/20/2021 04 PM PDT             6.5            243         0              Normal
  04/20/2021 05 PM PDT             6.5            243         0              Normal
  04/20/2021 06 PM PDT             6.5            240         -              Normal
  04/20/2021 07 PM PDT             6.5            240         0              Normal
  04/20/2021 08 PM PDT             6.5            240         0              Normal
  04/20/2021 09 PM PDT             6.5            240         0              Normal
  04/20/2021 10 PM PDT             6.5            240         0              Normal
  04/20/2021 11 PM PDT             6.5            240         0              Normal
  04/21/2021 12 AM PDT             6.5            237         -              Normal
  04/21/2021 01 AM PDT             6.5            237         0              Normal
  04/21/2021 02 AM PDT             6.5            237         0              Normal
  04/21/2021 03 AM PDT             6.5            237         0              Normal
  04/21/2021 04 AM PDT             6.5            237         0              Normal
  04/21/2021 05 AM PDT             6.5            237         0              Normal
  04/21/2021 06 AM PDT             6.5            237         0              Normal
  04/21/2021 07 AM PDT             6.5            237         0              Normal
  04/21/2021 08 AM PDT             6.5            237         0              Normal
  04/21/2021 09 AM PDT             6.5            237         0              Normal
  04/21/2021 10 AM PDT             6.5            237         0              Normal
  04/21/2021 11 AM PDT             6.5            237         0              Normal
  04/21/2021 12 PM PDT             6.5            237         0              Normal
  04/21/2021 01 PM PDT             6.5            237         0              Normal
  04/21/2021 02 PM PDT             6.5            240         +              Normal
  04/21/2021 03 PM PDT             6.5            240         0              Normal
  04/21/2021 04 PM PDT             6.5            240         0              Normal
  04/21/2021 05 PM PDT             6.5            240         0              Normal
  04/21/2021 06 PM PDT             6.5            240         0              Normal
  04/21/2021 07 PM PDT             6.5            237         -              Normal
  04/21/2021 08 PM PDT             6.5            237         0              Normal
  04/21/2021 09 PM PDT             6.5            237         0              Normal
  04/21/2021 10 PM PDT             6.5            237         0              Normal
  04/21/2021 11 PM PDT             6.5            237         0              Normal
  04/22/2021 12 AM PDT             6.5            237         0              Normal
  04/22/2021 01 AM PDT             6.5            237         0              Normal
  04/22/2021 02 AM PDT             6.5            233         -              Normal
  04/22/2021 03 AM PDT             6.5            233         0              Normal
  04/22/2021 04 AM PDT             6.5            233         0              Normal
  04/22/2021 05 AM PDT             6.5            233         0              Normal
  04/22/2021 06 AM PDT             6.5            233         0              Normal
  04/22/2021 07 AM PDT             6.5            233         0              Normal
  04/22/2021 08 AM PDT             6.5            233         0              Normal
  04/22/2021 09 AM PDT             6.5            230         -              Normal
  04/22/2021 10 AM PDT             6.5            230         0              Normal
  04/22/2021 11 AM PDT             6.5            230         0              Normal
  04/22/2021 12 PM PDT             6.5            230         0              Normal
  04/22/2021 01 PM PDT             6.5            230         0              Normal
  04/22/2021 02 PM PDT             6.5            230         0              Normal
  04/22/2021 03 PM PDT             6.5            230         0              Normal
  04/22/2021 04 PM PDT             6.5            230         0              Normal
  04/22/2021 05 PM PDT             6.5            230         0              Normal
  04/22/2021 06 PM PDT             6.5            230         0              Normal
  04/22/2021 07 PM PDT             6.5            230         0              Normal
  04/22/2021 08 PM PDT             6.5            230         0              Normal
  04/22/2021 09 PM PDT             6.5            230         0              Normal
  04/22/2021 10 PM PDT             6.5            227         -              Normal
  04/22/2021 11 PM PDT             6.5            227         0              Normal
  04/23/2021 12 AM PDT             6.5            227         0              Normal
  04/23/2021 01 AM PDT             6.5            227         0              Normal
  04/23/2021 02 AM PDT             6.5            227         0              Normal
  04/23/2021 03 AM PDT             6.5            227         0              Normal
  04/23/2021 04 AM PDT             6.5            227         0              Normal
  04/23/2021 05 AM PDT             6.5            227         0              Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.