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

 | 

MATTOLE RIVER - ETTERSBURG (ETTC1)
Latitude: 40.14º NLongitude: 123.99º WElevation: 579 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: May 27 2024 at 8:31 AM PDTNext Issuance: May 28 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time:  05/27/2024 at 08:32 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/22/2024 at 05:00 PM PDT
# Maximum Observed Stage:                       9.87 Feet
# Maximum Observed Flow:                        72 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/27/2024 at 09:00 AM PDT
# Maximum Forecast Stage:                       9.80 Feet
# Maximum Forecast Flow:                        64 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/22/2024 08 AM PDT            9.87             72                Not Applicable
  05/22/2024 09 AM PDT            9.87             72         0      Not Applicable
  05/22/2024 10 AM PDT            9.87             72         0      Not Applicable
  05/22/2024 11 AM PDT            9.87             72         0      Not Applicable
  05/22/2024 12 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 01 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 02 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 03 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 04 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 05 PM PDT            9.87             72         0      Not Applicable
  05/22/2024 06 PM PDT            9.86             71         -      Not Applicable
  05/22/2024 07 PM PDT            9.86             71         0      Not Applicable
  05/22/2024 08 PM PDT            9.86             71         0      Not Applicable
  05/22/2024 09 PM PDT            9.86             71         0      Not Applicable
  05/22/2024 10 PM PDT            9.86             71         0      Not Applicable
  05/22/2024 11 PM PDT            9.86             71         0      Not Applicable
  05/23/2024 12 AM PDT            9.86             71         0      Not Applicable
  05/23/2024 01 AM PDT            9.86             71         0      Not Applicable
  05/23/2024 02 AM PDT            9.85             70         -      Not Applicable
  05/23/2024 03 AM PDT            9.86             71         +      Not Applicable
  05/23/2024 04 AM PDT            9.85             70         -      Not Applicable
  05/23/2024 05 AM PDT            9.85             70         0      Not Applicable
  05/23/2024 06 AM PDT            9.85             70         0      Not Applicable
  05/23/2024 07 AM PDT            9.85             70         0      Not Applicable
  05/23/2024 08 AM PDT            9.85             70         0      Not Applicable
  05/23/2024 09 AM PDT            9.86             71         +      Not Applicable
  05/23/2024 10 AM PDT            9.86             71         0      Not Applicable
  05/23/2024 11 AM PDT            9.86             71         0      Not Applicable
  05/23/2024 12 PM PDT            9.85             70         -      Not Applicable
  05/23/2024 01 PM PDT            9.83             68         -      Not Applicable
  05/23/2024 02 PM PDT            9.85             70         +      Not Applicable
  05/23/2024 03 PM PDT            9.86             71         +      Not Applicable
  05/23/2024 04 PM PDT            9.85             70         -      Not Applicable
  05/23/2024 05 PM PDT            9.84             69         -      Not Applicable
  05/23/2024 06 PM PDT            9.84             69         0      Not Applicable
  05/23/2024 07 PM PDT            9.83             68         -      Not Applicable
  05/23/2024 08 PM PDT            9.85             70         +      Not Applicable
  05/23/2024 09 PM PDT            9.84             69         -      Not Applicable
  05/23/2024 10 PM PDT            9.84             69         0      Not Applicable
  05/23/2024 11 PM PDT            9.84             69         0      Not Applicable
  05/24/2024 12 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 01 AM PDT            9.85             70         +      Not Applicable
  05/24/2024 02 AM PDT            9.84             69         -      Not Applicable
  05/24/2024 03 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 04 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 05 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 06 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 07 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 08 AM PDT            9.84             69         0      Not Applicable
  05/24/2024 09 AM PDT            9.85             70         +      Not Applicable
  05/24/2024 10 AM PDT            9.85             70         0      Not Applicable
  05/24/2024 11 AM PDT            9.86             71         +      Not Applicable
  05/24/2024 12 PM PDT            9.81             66         -      Not Applicable
  05/24/2024 01 PM PDT            9.75             59         -      Not Applicable
  05/24/2024 02 PM PDT            9.86             71         +      Not Applicable
  05/24/2024 03 PM PDT            9.80             64         -      Not Applicable
  05/24/2024 04 PM PDT            9.80             64         0      Not Applicable
  05/24/2024 05 PM PDT            9.78             62         -      Not Applicable
  05/24/2024 06 PM PDT            9.85             70         +      Not Applicable
  05/24/2024 07 PM PDT            9.84             69         -      Not Applicable
  05/24/2024 08 PM PDT            9.84             69         0      Not Applicable
  05/24/2024 09 PM PDT            9.83             68         -      Not Applicable
  05/24/2024 10 PM PDT            9.84             69         +      Not Applicable
  05/24/2024 11 PM PDT            9.83             68         -      Not Applicable
  05/25/2024 12 AM PDT            9.83             68         0      Not Applicable
  05/25/2024 01 AM PDT            9.84             69         +      Not Applicable
  05/25/2024 02 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 03 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 04 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 05 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 06 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 07 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 08 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 09 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 10 AM PDT            9.84             69         0      Not Applicable
  05/25/2024 11 AM PDT            9.80             64         -      Not Applicable
  05/25/2024 12 PM PDT            9.77             61         -      Not Applicable
  05/25/2024 01 PM PDT            9.84             69         +      Not Applicable
  05/25/2024 02 PM PDT            9.84             69         0      Not Applicable
  05/25/2024 03 PM PDT            9.84             69         0      Not Applicable
  05/25/2024 04 PM PDT            9.81             66         -      Not Applicable
  05/25/2024 05 PM PDT            9.84             69         +      Not Applicable
  05/25/2024 06 PM PDT            9.83             68         -      Not Applicable
  05/25/2024 07 PM PDT            9.83             68         0      Not Applicable
  05/25/2024 08 PM PDT            9.82             67         -      Not Applicable
  05/25/2024 09 PM PDT            9.82             67         0      Not Applicable
  05/25/2024 10 PM PDT            9.82             67         0      Not Applicable
  05/25/2024 11 PM PDT            9.82             67         0      Not Applicable
  05/26/2024 12 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 01 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 02 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 03 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 04 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 05 AM PDT            9.81             66         -      Not Applicable
  05/26/2024 06 AM PDT            9.82             67         +      Not Applicable
  05/26/2024 07 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 08 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 09 AM PDT            9.82             67         0      Not Applicable
  05/26/2024 10 AM PDT            9.83             68         +      Not Applicable
  05/26/2024 11 AM PDT            9.83             68         0      Not Applicable
  05/26/2024 12 PM PDT            9.83             68         0      Not Applicable
  05/26/2024 01 PM PDT            9.83             68         0      Not Applicable
  05/26/2024 02 PM PDT            9.83             68         0      Not Applicable
  05/26/2024 03 PM PDT            9.77             61         -      Not Applicable
  05/26/2024 04 PM PDT            9.74             58         -      Not Applicable
  05/26/2024 05 PM PDT            9.82             67         +      Not Applicable
  05/26/2024 06 PM PDT            9.82             67         0      Not Applicable
  05/26/2024 07 PM PDT            9.82             67         0      Not Applicable
  05/26/2024 08 PM PDT            9.81             66         -      Not Applicable
  05/26/2024 09 PM PDT            9.81             66         0      Not Applicable
  05/26/2024 10 PM PDT            9.81             66         0      Not Applicable
  05/26/2024 11 PM PDT            9.81             66         0      Not Applicable
  05/27/2024 12 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 01 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 02 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 03 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 04 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 05 AM PDT            9.81             66         0      Not Applicable
  05/27/2024 06 AM PDT            9.80             64         -      Not Applicable
  05/27/2024 07 AM PDT            9.80             64         0      Not Applicable
  05/27/2024 08 AM PDT            9.80             64         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/27/2024 09 AM PDT            9.80             64                Not Applicable
  05/27/2024 10 AM PDT            9.80             64         0      Not Applicable
  05/27/2024 11 AM PDT            9.80             64         0      Not Applicable
  05/27/2024 12 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 01 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 02 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 03 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 04 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 05 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 06 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 07 PM PDT            9.80             64         0      Not Applicable
  05/27/2024 08 PM PDT            9.79             63         -      Not Applicable
  05/27/2024 09 PM PDT            9.79             63         0      Not Applicable
  05/27/2024 10 PM PDT            9.79             63         0      Not Applicable
  05/27/2024 11 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 12 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 01 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 02 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 03 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 04 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 05 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 06 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 07 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 08 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 09 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 10 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 11 AM PDT            9.79             63         0      Not Applicable
  05/28/2024 12 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 01 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 02 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 03 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 04 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 05 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 06 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 07 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 08 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 09 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 10 PM PDT            9.79             63         0      Not Applicable
  05/28/2024 11 PM PDT            9.79             63         0      Not Applicable
  05/29/2024 12 AM PDT            9.78             62         -      Not Applicable
  05/29/2024 01 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 02 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 03 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 04 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 05 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 06 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 07 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 08 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 09 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 10 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 11 AM PDT            9.78             62         0      Not Applicable
  05/29/2024 12 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 01 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 02 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 03 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 04 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 05 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 06 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 07 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 08 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 09 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 10 PM PDT            9.78             62         0      Not Applicable
  05/29/2024 11 PM PDT            9.78             62         0      Not Applicable
  05/30/2024 12 AM PDT            9.78             62         0      Not Applicable
  05/30/2024 01 AM PDT            9.78             62         0      Not Applicable
  05/30/2024 02 AM PDT            9.78             62         0      Not Applicable
  05/30/2024 03 AM PDT            9.78             62         0      Not Applicable
  05/30/2024 04 AM PDT            9.77             61         -      Not Applicable
  05/30/2024 05 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 06 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 07 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 08 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 09 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 10 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 11 AM PDT            9.77             61         0      Not Applicable
  05/30/2024 12 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 01 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 02 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 03 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 04 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 05 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 06 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 07 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 08 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 09 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 10 PM PDT            9.77             61         0      Not Applicable
  05/30/2024 11 PM PDT            9.77             61         0      Not Applicable
  05/31/2024 12 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 01 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 02 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 03 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 04 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 05 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 06 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 07 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 08 AM PDT            9.77             61         0      Not Applicable
  05/31/2024 09 AM PDT            9.76             60         -      Not Applicable
  05/31/2024 10 AM PDT            9.76             60         0      Not Applicable
  05/31/2024 11 AM PDT            9.76             60         0      Not Applicable
  05/31/2024 12 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 01 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 02 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 03 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 04 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 05 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 06 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 07 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 08 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 09 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 10 PM PDT            9.76             60         0      Not Applicable
  05/31/2024 11 PM PDT            9.76             60         0      Not Applicable
  06/01/2024 12 AM PDT            9.76             60         0      Not Applicable
  06/01/2024 01 AM PDT            9.76             60         0      Not Applicable
  06/01/2024 02 AM PDT            9.76             60         0      Not Applicable
  06/01/2024 03 AM PDT            9.76             60         0      Not Applicable
  06/01/2024 04 AM PDT            9.76             60         0      Not Applicable
  06/01/2024 05 AM PDT            9.76             60         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.