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 - PETROLIA (MTOC1)
Latitude: 40.31º NLongitude: 124.28º WElevation: 40 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Dec 08 2022 at 2:00 PM PSTNext Issuance: Dec 09 2022 at 9:00 AM PST
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Petrolia (MTOC1)
#
# File Generation Time:  12/08/2022 at 02:01 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/05/2022 at 07:00 PM PST
# Maximum Observed Stage:                       13.5 Feet
# Maximum Observed Flow:                        1178 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/10/2022 at 02:00 PM PST
# Maximum Forecast Stage:                       15.9 Feet
# Maximum Forecast Flow:                        4755 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/03/2022 02 PM PST            12.2            174                Not Applicable
  12/03/2022 03 PM PST            12.2            166         -      Not Applicable
  12/03/2022 04 PM PST            12.2            166         0      Not Applicable
  12/03/2022 05 PM PST            12.2            166         0      Not Applicable
  12/03/2022 06 PM PST            12.2            162         -      Not Applicable
  12/03/2022 07 PM PST            12.2            162         0      Not Applicable
  12/03/2022 08 PM PST            12.2            162         0      Not Applicable
  12/03/2022 09 PM PST            12.2            162         0      Not Applicable
  12/03/2022 10 PM PST            12.2            162         0      Not Applicable
  12/03/2022 11 PM PST            12.2            158         -      Not Applicable
  12/04/2022 12 AM PST            12.2            158         0      Not Applicable
  12/04/2022 01 AM PST            12.2            158         0      Not Applicable
  12/04/2022 02 AM PST            12.2            158         0      Not Applicable
  12/04/2022 03 AM PST            12.2            162         +      Not Applicable
  12/04/2022 04 AM PST            12.2            162         0      Not Applicable
  12/04/2022 05 AM PST            12.2            166         +      Not Applicable
  12/04/2022 06 AM PST            12.2            170         +      Not Applicable
  12/04/2022 07 AM PST            12.2            174         +      Not Applicable
  12/04/2022 08 AM PST            12.2            182         +      Not Applicable
  12/04/2022 09 AM PST            12.3            194         +      Not Applicable
  12/04/2022 10 AM PST            12.3            212         +      Not Applicable
  12/04/2022 11 AM PST            12.3            226         +      Not Applicable
  12/04/2022 12 PM PST            12.4            250         +      Not Applicable
  12/04/2022 01 PM PST            12.5            315         +      Not Applicable
  12/04/2022 02 PM PST            12.6            370         +      Not Applicable
  12/04/2022 03 PM PST            12.7            459         +      Not Applicable
  12/04/2022 04 PM PST            13.0            646         +      Not Applicable
  12/04/2022 05 PM PST            13.0            682         +      Not Applicable
  12/04/2022 06 PM PST            13.0            682         0      Not Applicable
  12/04/2022 07 PM PST            13.0            673         -      Not Applicable
  12/04/2022 08 PM PST            13.0            646         -      Not Applicable
  12/04/2022 09 PM PST            12.9            619         -      Not Applicable
  12/04/2022 10 PM PST            12.9            602         -      Not Applicable
  12/04/2022 11 PM PST            12.9            585         -      Not Applicable
  12/05/2022 12 AM PST            12.9            576         -      Not Applicable
  12/05/2022 01 AM PST            12.9            585         +      Not Applicable
  12/05/2022 02 AM PST            12.9            593         +      Not Applicable
  12/05/2022 03 AM PST            12.9            602         +      Not Applicable
  12/05/2022 04 AM PST            12.9            628         +      Not Applicable
  12/05/2022 05 AM PST            13.0            664         +      Not Applicable
  12/05/2022 06 AM PST            13.1            720         +      Not Applicable
  12/05/2022 07 AM PST            13.2            831         +      Not Applicable
  12/05/2022 08 AM PST            13.3            946         +      Not Applicable
  12/05/2022 09 AM PST            13.3           1021         +      Not Applicable
  12/05/2022 10 AM PST            13.4           1076         +      Not Applicable
  12/05/2022 11 AM PST            13.4           1110         +      Not Applicable
  12/05/2022 12 PM PST            13.4           1121         +      Not Applicable
  12/05/2022 01 PM PST            13.4           1132         +      Not Applicable
  12/05/2022 02 PM PST            13.5           1155         +      Not Applicable
  12/05/2022 03 PM PST            13.5           1166         +      Not Applicable
  12/05/2022 04 PM PST            13.5           1155         -      Not Applicable
  12/05/2022 05 PM PST            13.5           1155         0      Not Applicable
  12/05/2022 06 PM PST            13.5           1178         +      Not Applicable
  12/05/2022 07 PM PST            13.5           1178         0      Not Applicable
  12/05/2022 08 PM PST            13.5           1166         -      Not Applicable
  12/05/2022 09 PM PST            13.4           1144         -      Not Applicable
  12/05/2022 10 PM PST            13.4           1110         -      Not Applicable
  12/05/2022 11 PM PST            13.4           1065         -      Not Applicable
  12/06/2022 12 AM PST            13.3           1021         -      Not Applicable
  12/06/2022 01 AM PST            13.3            978         -      Not Applicable
  12/06/2022 02 AM PST            13.3            935         -      Not Applicable
  12/06/2022 03 AM PST            13.2            893         -      Not Applicable
  12/06/2022 04 AM PST            13.2            851         -      Not Applicable
  12/06/2022 05 AM PST            13.1            810         -      Not Applicable
  12/06/2022 06 AM PST            13.1            780         -      Not Applicable
  12/06/2022 07 AM PST            13.1            750         -      Not Applicable
  12/06/2022 08 AM PST            13.1            720         -      Not Applicable
  12/06/2022 09 AM PST            13.0            682         -      Not Applicable
  12/06/2022 10 AM PST            13.0            655         -      Not Applicable
  12/06/2022 11 AM PST            12.9            628         -      Not Applicable
  12/06/2022 12 PM PST            12.9            610         -      Not Applicable
  12/06/2022 01 PM PST            12.9            585         -      Not Applicable
  12/06/2022 02 PM PST            12.9            568         -      Not Applicable
  12/06/2022 03 PM PST            12.8            543         -      Not Applicable
  12/06/2022 04 PM PST            12.8            527         -      Not Applicable
  12/06/2022 05 PM PST            12.8            504         -      Not Applicable
  12/06/2022 06 PM PST            12.8            496         -      Not Applicable
  12/06/2022 07 PM PST            12.8            481         -      Not Applicable
  12/06/2022 08 PM PST            12.8            466         -      Not Applicable
  12/06/2022 09 PM PST            12.7            451         -      Not Applicable
  12/06/2022 10 PM PST            12.7            437         -      Not Applicable
  12/06/2022 11 PM PST            12.7            430         -      Not Applicable
  12/07/2022 12 AM PST            12.7            416         -      Not Applicable
  12/07/2022 01 AM PST            12.7            409         -      Not Applicable
  12/07/2022 02 AM PST            12.7            396         -      Not Applicable
  12/07/2022 03 AM PST            12.6            383         -      Not Applicable
  12/07/2022 04 AM PST            12.6            376         -      Not Applicable
  12/07/2022 05 AM PST            12.6            363         -      Not Applicable
  12/07/2022 06 AM PST            12.6            357         -      Not Applicable
  12/07/2022 07 AM PST            12.6            351         -      Not Applicable
  12/07/2022 08 AM PST            12.6            345         -      Not Applicable
  12/07/2022 09 AM PST            12.6            339         -      Not Applicable
  12/07/2022 10 AM PST            12.6            333         -      Not Applicable
  12/07/2022 11 AM PST            12.5            321         -      Not Applicable
  12/07/2022 12 PM PST            12.5            315         -      Not Applicable
  12/07/2022 01 PM PST            12.5            309         -      Not Applicable
  12/07/2022 02 PM PST            12.5            304         -      Not Applicable
  12/07/2022 03 PM PST            12.5            304         0      Not Applicable
  12/07/2022 04 PM PST            12.5            292         -      Not Applicable
  12/07/2022 05 PM PST            12.5            287         -      Not Applicable
  12/07/2022 06 PM PST            12.5            287         0      Not Applicable
  12/07/2022 07 PM PST            12.5            281         -      Not Applicable
  12/07/2022 08 PM PST            12.4            276         -      Not Applicable
  12/07/2022 09 PM PST            12.4            271         -      Not Applicable
  12/07/2022 10 PM PST            12.4            266         -      Not Applicable
  12/07/2022 11 PM PST            12.4            260         -      Not Applicable
  12/08/2022 12 AM PST            12.4            260         0      Not Applicable
  12/08/2022 01 AM PST            12.4            260         0      Not Applicable
  12/08/2022 02 AM PST            12.4            250         -      Not Applicable
  12/08/2022 03 AM PST            12.4            250         0      Not Applicable
  12/08/2022 04 AM PST            12.4            245         -      Not Applicable
  12/08/2022 05 AM PST            12.4            240         -      Not Applicable
  12/08/2022 06 AM PST            12.4            240         0      Not Applicable
  12/08/2022 07 AM PST            12.4            240         0      Not Applicable
  12/08/2022 08 AM PST            12.4            235         -      Not Applicable
  12/08/2022 09 AM PST            12.4            235         0      Not Applicable
  12/08/2022 10 AM PST            12.4            235         0      Not Applicable
  12/08/2022 11 AM PST            12.4            245         +      Not Applicable
  12/08/2022 12 PM PST            12.4            240         -      Not Applicable
  12/08/2022 01 PM PST            12.4            235         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/08/2022 02 PM PST            12.4            235                Not Applicable
  12/08/2022 03 PM PST            12.4            231         -      Not Applicable
  12/08/2022 04 PM PST            12.4            231         0      Not Applicable
  12/08/2022 05 PM PST            12.4            240         +      Not Applicable
  12/08/2022 06 PM PST            12.4            260         +      Not Applicable
  12/08/2022 07 PM PST            12.5            292         +      Not Applicable
  12/08/2022 08 PM PST            12.6            339         +      Not Applicable
  12/08/2022 09 PM PST            12.7            403         +      Not Applicable
  12/08/2022 10 PM PST            12.8            473         +      Not Applicable
  12/08/2022 11 PM PST            12.8            535         +      Not Applicable
  12/09/2022 12 AM PST            12.9            593         +      Not Applicable
  12/09/2022 01 AM PST            13.0            637         +      Not Applicable
  12/09/2022 02 AM PST            13.0            673         +      Not Applicable
  12/09/2022 03 AM PST            13.0            701         +      Not Applicable
  12/09/2022 04 AM PST            13.1            720         +      Not Applicable
  12/09/2022 05 AM PST            13.1            730         +      Not Applicable
  12/09/2022 06 AM PST            13.1            730         0      Not Applicable
  12/09/2022 07 AM PST            13.1            720         -      Not Applicable
  12/09/2022 08 AM PST            13.0            701         -      Not Applicable
  12/09/2022 09 AM PST            13.0            682         -      Not Applicable
  12/09/2022 10 AM PST            13.0            655         -      Not Applicable
  12/09/2022 11 AM PST            12.9            628         -      Not Applicable
  12/09/2022 12 PM PST            12.9            593         -      Not Applicable
  12/09/2022 01 PM PST            12.9            568         -      Not Applicable
  12/09/2022 02 PM PST            12.8            535         -      Not Applicable
  12/09/2022 03 PM PST            12.8            504         -      Not Applicable
  12/09/2022 04 PM PST            12.8            481         -      Not Applicable
  12/09/2022 05 PM PST            12.7            459         -      Not Applicable
  12/09/2022 06 PM PST            12.7            437         -      Not Applicable
  12/09/2022 07 PM PST            12.7            430         -      Not Applicable
  12/09/2022 08 PM PST            12.7            423         -      Not Applicable
  12/09/2022 09 PM PST            12.7            437         +      Not Applicable
  12/09/2022 10 PM PST            12.8            466         +      Not Applicable
  12/09/2022 11 PM PST            12.8            511         +      Not Applicable
  12/10/2022 12 AM PST            12.9            585         +      Not Applicable
  12/10/2022 01 AM PST            13.0            692         +      Not Applicable
  12/10/2022 02 AM PST            13.2            893         +      Not Applicable
  12/10/2022 03 AM PST            13.4           1087         +      Not Applicable
  12/10/2022 04 AM PST            13.7           1473         +      Not Applicable
  12/10/2022 05 AM PST            14.0           1761         +      Not Applicable
  12/10/2022 06 AM PST            14.2           2092         +      Not Applicable
  12/10/2022 07 AM PST            14.5           2482         +      Not Applicable
  12/10/2022 08 AM PST            14.8           3012         +      Not Applicable
  12/10/2022 09 AM PST            15.2           3635         +      Not Applicable
  12/10/2022 10 AM PST            15.6           4159         +      Not Applicable
  12/10/2022 11 AM PST            15.8           4497         +      Not Applicable
  12/10/2022 12 PM PST            15.9           4668         +      Not Applicable
  12/10/2022 01 PM PST            15.9           4738         +      Not Applicable
  12/10/2022 02 PM PST            15.9           4755         +      Not Applicable
  12/10/2022 03 PM PST            15.9           4738         -      Not Applicable
  12/10/2022 04 PM PST            15.9           4686         -      Not Applicable
  12/10/2022 05 PM PST            15.8           4582         -      Not Applicable
  12/10/2022 06 PM PST            15.7           4428         -      Not Applicable
  12/10/2022 07 PM PST            15.6           4259         -      Not Applicable
  12/10/2022 08 PM PST            15.5           4075         -      Not Applicable
  12/10/2022 09 PM PST            15.4           3911         -      Not Applicable
  12/10/2022 10 PM PST            15.3           3748         -      Not Applicable
  12/10/2022 11 PM PST            15.2           3603         -      Not Applicable
  12/11/2022 12 AM PST            15.1           3460         -      Not Applicable
  12/11/2022 01 AM PST            15.1           3334         -      Not Applicable
  12/11/2022 02 AM PST            15.0           3195         -      Not Applicable
  12/11/2022 03 AM PST            14.9           3088         -      Not Applicable
  12/11/2022 04 AM PST            14.8           2966         -      Not Applicable
  12/11/2022 05 AM PST            14.7           2831         -      Not Applicable
  12/11/2022 06 AM PST            14.7           2713         -      Not Applicable
  12/11/2022 07 AM PST            14.6           2582         -      Not Applicable
  12/11/2022 08 AM PST            14.5           2467         -      Not Applicable
  12/11/2022 09 AM PST            14.4           2354         -      Not Applicable
  12/11/2022 10 AM PST            14.3           2243         -      Not Applicable
  12/11/2022 11 AM PST            14.3           2160         -      Not Applicable
  12/11/2022 12 PM PST            14.2           2092         -      Not Applicable
  12/11/2022 01 PM PST            14.2           2024         -      Not Applicable
  12/11/2022 02 PM PST            14.1           1971         -      Not Applicable
  12/11/2022 03 PM PST            14.1           1918         -      Not Applicable
  12/11/2022 04 PM PST            14.1           1878         -      Not Applicable
  12/11/2022 05 PM PST            14.1           1891         +      Not Applicable
  12/11/2022 06 PM PST            14.0           1839         -      Not Applicable
  12/11/2022 07 PM PST            14.0           1787         -      Not Applicable
  12/11/2022 08 PM PST            13.9           1748         -      Not Applicable
  12/11/2022 09 PM PST            13.9           1710         -      Not Applicable
  12/11/2022 10 PM PST            13.9           1672         -      Not Applicable
  12/11/2022 11 PM PST            13.9           1634         -      Not Applicable
  12/12/2022 12 AM PST            13.8           1584         -      Not Applicable
  12/12/2022 01 AM PST            13.8           1546         -      Not Applicable
  12/12/2022 02 AM PST            13.8           1497         -      Not Applicable
  12/12/2022 03 AM PST            13.7           1448         -      Not Applicable
  12/12/2022 04 AM PST            13.7           1400         -      Not Applicable
  12/12/2022 05 AM PST            13.6           1364         -      Not Applicable
  12/12/2022 06 AM PST            13.6           1317         -      Not Applicable
  12/12/2022 07 AM PST            13.6           1282         -      Not Applicable
  12/12/2022 08 AM PST            13.5           1247         -      Not Applicable
  12/12/2022 09 AM PST            13.5           1212         -      Not Applicable
  12/12/2022 10 AM PST            13.5           1178         -      Not Applicable
  12/12/2022 11 AM PST            13.4           1144         -      Not Applicable
  12/12/2022 12 PM PST            13.4           1121         -      Not Applicable
  12/12/2022 01 PM PST            13.4           1087         -      Not Applicable
  12/12/2022 02 PM PST            13.4           1065         -      Not Applicable
  12/12/2022 03 PM PST            13.3           1032         -      Not Applicable
  12/12/2022 04 PM PST            13.3           1010         -      Not Applicable
  12/12/2022 05 PM PST            13.3            989         -      Not Applicable
  12/12/2022 06 PM PST            13.3            967         -      Not Applicable
  12/12/2022 07 PM PST            13.3            946         -      Not Applicable
  12/12/2022 08 PM PST            13.3            935         -      Not Applicable
  12/12/2022 09 PM PST            13.2            914         -      Not Applicable
  12/12/2022 10 PM PST            13.2            903         -      Not Applicable
  12/12/2022 11 PM PST            13.2            882         -      Not Applicable
  12/13/2022 12 AM PST            13.2            872         -      Not Applicable
  12/13/2022 01 AM PST            13.2            862         -      Not Applicable
  12/13/2022 02 AM PST            13.2            851         -      Not Applicable
  12/13/2022 03 AM PST            13.2            841         -      Not Applicable
  12/13/2022 04 AM PST            13.2            831         -      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.