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

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MATTOLE RIVER - ETTERSBURG (ETTC1)
Latitude: 40.14º NLongitude: 123.99º WElevation: 579 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Nov 30 2022 at 1:44 PM PSTNext Issuance: Dec 01 2022 at 9:00 AM PST
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time:  11/30/2022 at 01:45 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/25/2022 at 03:00 PM PST
# Maximum Observed Stage:                       8.9 Feet
# Maximum Observed Flow:                        12 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/01/2022 at 11:00 AM PST
# Maximum Forecast Stage:                       10.3 Feet
# Maximum Forecast Flow:                        235 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/25/2022 01 PM PST             8.9             12                Not Applicable
  11/25/2022 02 PM PST             8.9             12         +      Not Applicable
  11/25/2022 03 PM PST             8.9             12         0      Not Applicable
  11/25/2022 04 PM PST             8.9             12         -      Not Applicable
  11/25/2022 05 PM PST             8.9             12         0      Not Applicable
  11/25/2022 06 PM PST             8.9             12         0      Not Applicable
  11/25/2022 07 PM PST             8.9             12         0      Not Applicable
  11/25/2022 08 PM PST             8.9             12         0      Not Applicable
  11/25/2022 09 PM PST             8.9             12         0      Not Applicable
  11/25/2022 10 PM PST             8.9             12         0      Not Applicable
  11/25/2022 11 PM PST             8.9             12         0      Not Applicable
  11/26/2022 12 AM PST             8.9             12         0      Not Applicable
  11/26/2022 01 AM PST             8.9             12         0      Not Applicable
  11/26/2022 02 AM PST             8.9             12         0      Not Applicable
  11/26/2022 03 AM PST             8.9             12         0      Not Applicable
  11/26/2022 04 AM PST             8.9             12         0      Not Applicable
  11/26/2022 05 AM PST             8.9             12         0      Not Applicable
  11/26/2022 06 AM PST             8.9             12         0      Not Applicable
  11/26/2022 07 AM PST             8.9             12         0      Not Applicable
  11/26/2022 08 AM PST             8.9             12         0      Not Applicable
  11/26/2022 09 AM PST             8.9             12         0      Not Applicable
  11/26/2022 10 AM PST             8.9             12         0      Not Applicable
  11/26/2022 11 AM PST             8.9             12         0      Not Applicable
  11/26/2022 12 PM PST             8.9             12         0      Not Applicable
  11/26/2022 01 PM PST             8.9             12         0      Not Applicable
  11/26/2022 02 PM PST             8.9             12         0      Not Applicable
  11/26/2022 03 PM PST             8.9             12         0      Not Applicable
  11/26/2022 04 PM PST             8.9             12         0      Not Applicable
  11/26/2022 05 PM PST             8.9             12         0      Not Applicable
  11/26/2022 06 PM PST             8.9             12         0      Not Applicable
  11/26/2022 07 PM PST             8.9             12         0      Not Applicable
  11/26/2022 08 PM PST             8.9             12         0      Not Applicable
  11/26/2022 09 PM PST             8.9             12         0      Not Applicable
  11/26/2022 10 PM PST             8.9             11         -      Not Applicable
  11/26/2022 11 PM PST             8.9             12         +      Not Applicable
  11/27/2022 12 AM PST             8.9             11         -      Not Applicable
  11/27/2022 01 AM PST             8.9             11         0      Not Applicable
  11/27/2022 02 AM PST             8.9             11         0      Not Applicable
  11/27/2022 03 AM PST             8.9             11         0      Not Applicable
  11/27/2022 04 AM PST             8.9             11         0      Not Applicable
  11/27/2022 05 AM PST             8.9             11         0      Not Applicable
  11/27/2022 06 AM PST             8.9             11         0      Not Applicable
  11/27/2022 07 AM PST             8.9             11         0      Not Applicable
  11/27/2022 08 AM PST             8.9             11         0      Not Applicable
  11/27/2022 09 AM PST             8.9             11         0      Not Applicable
  11/27/2022 10 AM PST             8.9             11         0      Not Applicable
  11/27/2022 11 AM PST             8.9             11         0      Not Applicable
  11/27/2022 12 PM PST             8.9             11         0      Not Applicable
  11/27/2022 01 PM PST             8.9             11         0      Not Applicable
  11/27/2022 02 PM PST             8.9             11         0      Not Applicable
  11/27/2022 03 PM PST             8.9             11         0      Not Applicable
  11/27/2022 04 PM PST             8.9             11         0      Not Applicable
  11/27/2022 05 PM PST             8.9             11         0      Not Applicable
  11/27/2022 06 PM PST             8.9             11         0      Not Applicable
  11/27/2022 07 PM PST             8.9             11         0      Not Applicable
  11/27/2022 08 PM PST             8.9             11         0      Not Applicable
  11/27/2022 09 PM PST             8.9             11         0      Not Applicable
  11/27/2022 10 PM PST             8.9             11         0      Not Applicable
  11/27/2022 11 PM PST             8.9             11         0      Not Applicable
  11/28/2022 12 AM PST             8.9             11         0      Not Applicable
  11/28/2022 01 AM PST             8.9             11         0      Not Applicable
  11/28/2022 02 AM PST             8.9             11         0      Not Applicable
  11/28/2022 03 AM PST             8.9             11         0      Not Applicable
  11/28/2022 04 AM PST             8.9             11         0      Not Applicable
  11/28/2022 05 AM PST             8.9             11         0      Not Applicable
  11/28/2022 06 AM PST             8.9             11         0      Not Applicable
  11/28/2022 07 AM PST             8.9             11         0      Not Applicable
  11/28/2022 08 AM PST             8.9             11         0      Not Applicable
  11/28/2022 09 AM PST             8.9             11         0      Not Applicable
  11/28/2022 10 AM PST             8.9             11         0      Not Applicable
  11/28/2022 11 AM PST             8.9             11         0      Not Applicable
  11/28/2022 12 PM PST             8.9             11         0      Not Applicable
  11/28/2022 01 PM PST             8.9             11         0      Not Applicable
  11/28/2022 02 PM PST             8.9             11         0      Not Applicable
  11/28/2022 03 PM PST             8.9             11         0      Not Applicable
  11/28/2022 04 PM PST             8.9             11         0      Not Applicable
  11/28/2022 05 PM PST             8.9             11         0      Not Applicable
  11/28/2022 06 PM PST             8.9             11         0      Not Applicable
  11/28/2022 07 PM PST             8.9             11         0      Not Applicable
  11/28/2022 08 PM PST             8.9             11         0      Not Applicable
  11/28/2022 09 PM PST             8.9             11         0      Not Applicable
  11/28/2022 10 PM PST             8.9             11         0      Not Applicable
  11/28/2022 11 PM PST             8.9             11         0      Not Applicable
  11/29/2022 12 AM PST             8.9             11         0      Not Applicable
  11/29/2022 01 AM PST             8.9             11         0      Not Applicable
  11/29/2022 02 AM PST             8.9             11         0      Not Applicable
  11/29/2022 03 AM PST             8.9             11         0      Not Applicable
  11/29/2022 04 AM PST             8.9             11         0      Not Applicable
  11/29/2022 05 AM PST             8.9             11         0      Not Applicable
  11/29/2022 06 AM PST             8.9             11         0      Not Applicable
  11/29/2022 07 AM PST             8.9             11         0      Not Applicable
  11/29/2022 08 AM PST             8.9             11         0      Not Applicable
  11/29/2022 09 AM PST             8.9             11         0      Not Applicable
  11/29/2022 10 AM PST             8.9             11         0      Not Applicable
  11/29/2022 11 AM PST             8.9             11         0      Not Applicable
  11/29/2022 12 PM PST             8.9             11         0      Not Applicable
  11/29/2022 01 PM PST             8.9             11         0      Not Applicable
  11/29/2022 02 PM PST             8.9             11         0      Not Applicable
  11/29/2022 03 PM PST             8.9             11         0      Not Applicable
  11/29/2022 04 PM PST             8.9             11         0      Not Applicable
  11/29/2022 05 PM PST             8.9             11         0      Not Applicable
  11/29/2022 06 PM PST             8.9             11         0      Not Applicable
  11/29/2022 07 PM PST             8.9             11         0      Not Applicable
  11/29/2022 08 PM PST             8.9             11         0      Not Applicable
  11/29/2022 09 PM PST             8.9             11         0      Not Applicable
  11/29/2022 10 PM PST             8.9             11         0      Not Applicable
  11/29/2022 11 PM PST             8.9             11         0      Not Applicable
  11/30/2022 12 AM PST             8.9             11         0      Not Applicable
  11/30/2022 01 AM PST             8.9             11         -      Not Applicable
  11/30/2022 02 AM PST             8.9             11         0      Not Applicable
  11/30/2022 03 AM PST             8.9             11         0      Not Applicable
  11/30/2022 04 AM PST             8.9             11         0      Not Applicable
  11/30/2022 05 AM PST             8.9             11         0      Not Applicable
  11/30/2022 06 AM PST             8.9             11         0      Not Applicable
  11/30/2022 07 AM PST             8.9             11         0      Not Applicable
  11/30/2022 08 AM PST             8.9             11         0      Not Applicable
  11/30/2022 09 AM PST             8.9             11         0      Not Applicable
  11/30/2022 10 AM PST             8.9             11         0      Not Applicable
  11/30/2022 11 AM PST             8.9             11         0      Not Applicable
  11/30/2022 12 PM PST             8.9             11         +      Not Applicable
  11/30/2022 01 PM PST             8.9             11         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/30/2022 02 PM PST             8.9             11                Not Applicable
  11/30/2022 03 PM PST             8.9             11         0      Not Applicable
  11/30/2022 04 PM PST             8.9             12         +      Not Applicable
  11/30/2022 05 PM PST             8.9             12         +      Not Applicable
  11/30/2022 06 PM PST             8.9             14         +      Not Applicable
  11/30/2022 07 PM PST             8.9             15         +      Not Applicable
  11/30/2022 08 PM PST             9.0             16         +      Not Applicable
  11/30/2022 09 PM PST             9.0             18         +      Not Applicable
  11/30/2022 10 PM PST             9.0             21         +      Not Applicable
  11/30/2022 11 PM PST             9.1             25         +      Not Applicable
  12/01/2022 12 AM PST             9.2             30         +      Not Applicable
  12/01/2022 01 AM PST             9.2             38         +      Not Applicable
  12/01/2022 02 AM PST             9.3             48         +      Not Applicable
  12/01/2022 03 AM PST             9.5             67         +      Not Applicable
  12/01/2022 04 AM PST             9.7             92         +      Not Applicable
  12/01/2022 05 AM PST             9.8            122         +      Not Applicable
  12/01/2022 06 AM PST            10.0            152         +      Not Applicable
  12/01/2022 07 AM PST            10.1            177         +      Not Applicable
  12/01/2022 08 AM PST            10.2            200         +      Not Applicable
  12/01/2022 09 AM PST            10.3            220         +      Not Applicable
  12/01/2022 10 AM PST            10.3            230         +      Not Applicable
  12/01/2022 11 AM PST            10.3            235         +      Not Applicable
  12/01/2022 12 PM PST            10.3            230         -      Not Applicable
  12/01/2022 01 PM PST            10.3            220         -      Not Applicable
  12/01/2022 02 PM PST            10.2            208         -      Not Applicable
  12/01/2022 03 PM PST            10.2            196         -      Not Applicable
  12/01/2022 04 PM PST            10.1            180         -      Not Applicable
  12/01/2022 05 PM PST            10.0            166         -      Not Applicable
  12/01/2022 06 PM PST            10.0            152         -      Not Applicable
  12/01/2022 07 PM PST             9.9            137         -      Not Applicable
  12/01/2022 08 PM PST             9.8            126         -      Not Applicable
  12/01/2022 09 PM PST             9.8            115         -      Not Applicable
  12/01/2022 10 PM PST             9.7            104         -      Not Applicable
  12/01/2022 11 PM PST             9.7             96         -      Not Applicable
  12/02/2022 12 AM PST             9.6             86         -      Not Applicable
  12/02/2022 01 AM PST             9.6             78         -      Not Applicable
  12/02/2022 02 AM PST             9.5             72         -      Not Applicable
  12/02/2022 03 AM PST             9.5             65         -      Not Applicable
  12/02/2022 04 AM PST             9.4             60         -      Not Applicable
  12/02/2022 05 AM PST             9.4             56         -      Not Applicable
  12/02/2022 06 AM PST             9.4             52         -      Not Applicable
  12/02/2022 07 AM PST             9.3             48         -      Not Applicable
  12/02/2022 08 AM PST             9.3             45         -      Not Applicable
  12/02/2022 09 AM PST             9.3             43         -      Not Applicable
  12/02/2022 10 AM PST             9.3             40         -      Not Applicable
  12/02/2022 11 AM PST             9.3             39         -      Not Applicable
  12/02/2022 12 PM PST             9.2             38         -      Not Applicable
  12/02/2022 01 PM PST             9.2             36         -      Not Applicable
  12/02/2022 02 PM PST             9.2             35         -      Not Applicable
  12/02/2022 03 PM PST             9.2             34         -      Not Applicable
  12/02/2022 04 PM PST             9.2             34         0      Not Applicable
  12/02/2022 05 PM PST             9.2             33         -      Not Applicable
  12/02/2022 06 PM PST             9.2             33         -      Not Applicable
  12/02/2022 07 PM PST             9.2             32         -      Not Applicable
  12/02/2022 08 PM PST             9.2             32         0      Not Applicable
  12/02/2022 09 PM PST             9.2             31         -      Not Applicable
  12/02/2022 10 PM PST             9.2             31         0      Not Applicable
  12/02/2022 11 PM PST             9.2             31         0      Not Applicable
  12/03/2022 12 AM PST             9.2             30         -      Not Applicable
  12/03/2022 01 AM PST             9.2             30         0      Not Applicable
  12/03/2022 02 AM PST             9.2             30         0      Not Applicable
  12/03/2022 03 AM PST             9.2             29         -      Not Applicable
  12/03/2022 04 AM PST             9.2             29         0      Not Applicable
  12/03/2022 05 AM PST             9.2             29         0      Not Applicable
  12/03/2022 06 AM PST             9.1             29         -      Not Applicable
  12/03/2022 07 AM PST             9.1             29         0      Not Applicable
  12/03/2022 08 AM PST             9.1             29         0      Not Applicable
  12/03/2022 09 AM PST             9.1             29         0      Not Applicable
  12/03/2022 10 AM PST             9.1             29         0      Not Applicable
  12/03/2022 11 AM PST             9.2             30         +      Not Applicable
  12/03/2022 12 PM PST             9.2             33         +      Not Applicable
  12/03/2022 01 PM PST             9.2             37         +      Not Applicable
  12/03/2022 02 PM PST             9.3             45         +      Not Applicable
  12/03/2022 03 PM PST             9.4             55         +      Not Applicable
  12/03/2022 04 PM PST             9.5             65         +      Not Applicable
  12/03/2022 05 PM PST             9.5             75         +      Not Applicable
  12/03/2022 06 PM PST             9.6             84         +      Not Applicable
  12/03/2022 07 PM PST             9.7             92         +      Not Applicable
  12/03/2022 08 PM PST             9.7             97         +      Not Applicable
  12/03/2022 09 PM PST             9.7            104         +      Not Applicable
  12/03/2022 10 PM PST             9.8            109         +      Not Applicable
  12/03/2022 11 PM PST             9.8            117         +      Not Applicable
  12/04/2022 12 AM PST             9.8            126         +      Not Applicable
  12/04/2022 01 AM PST             9.9            136         +      Not Applicable
  12/04/2022 02 AM PST             9.9            143         +      Not Applicable
  12/04/2022 03 AM PST            10.0            154         +      Not Applicable
  12/04/2022 04 AM PST            10.0            162         +      Not Applicable
  12/04/2022 05 AM PST            10.1            169         +      Not Applicable
  12/04/2022 06 AM PST            10.1            173         +      Not Applicable
  12/04/2022 07 AM PST            10.1            177         +      Not Applicable
  12/04/2022 08 AM PST            10.1            180         +      Not Applicable
  12/04/2022 09 AM PST            10.1            182         +      Not Applicable
  12/04/2022 10 AM PST            10.1            182         0      Not Applicable
  12/04/2022 11 AM PST            10.1            182         0      Not Applicable
  12/04/2022 12 PM PST            10.1            180         -      Not Applicable
  12/04/2022 01 PM PST            10.1            177         -      Not Applicable
  12/04/2022 02 PM PST            10.1            175         -      Not Applicable
  12/04/2022 03 PM PST            10.1            171         -      Not Applicable
  12/04/2022 04 PM PST            10.1            169         -      Not Applicable
  12/04/2022 05 PM PST            10.0            166         -      Not Applicable
  12/04/2022 06 PM PST            10.0            164         -      Not Applicable
  12/04/2022 07 PM PST            10.0            162         -      Not Applicable
  12/04/2022 08 PM PST            10.0            162         0      Not Applicable
  12/04/2022 09 PM PST            10.0            160         -      Not Applicable
  12/04/2022 10 PM PST            10.0            158         -      Not Applicable
  12/04/2022 11 PM PST            10.0            156         -      Not Applicable
  12/05/2022 12 AM PST            10.0            150         -      Not Applicable
  12/05/2022 01 AM PST             9.9            143         -      Not Applicable
  12/05/2022 02 AM PST             9.9            137         -      Not Applicable
  12/05/2022 03 AM PST             9.9            130         -      Not Applicable
  12/05/2022 04 AM PST             9.8            124         -      Not Applicable
#
# 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.