MATTOLE RIVER - PETROLIA (MTOC1)
Latitude: 40.31º NLongitude: 124.28º WElevation: 40 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Jul 10 2025 at 7:41 AM PDTNext Issuance: Jul 11 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: Mattole River - Petrolia (MTOC1)
#
# File Generation Time:  07/10/2025 at 07:44 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/05/2025 at 05:00 PM PDT
# Maximum Observed Stage:                       11.88 Feet
# Maximum Observed Flow:                        116 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/10/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       11.83 Feet
# Maximum Forecast Flow:                        106 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/05/2025 07 AM PDT           11.85            110                Not Applicable
  07/05/2025 08 AM PDT           11.85            110         0      Not Applicable
  07/05/2025 09 AM PDT           11.85            110         0      Not Applicable
  07/05/2025 10 AM PDT           11.85            110         0      Not Applicable
  07/05/2025 11 AM PDT           11.85            110         0      Not Applicable
  07/05/2025 12 PM PDT           11.85            110         0      Not Applicable
  07/05/2025 01 PM PDT           11.85            110         0      Not Applicable
  07/05/2025 02 PM PDT           11.86            112         +      Not Applicable
  07/05/2025 03 PM PDT           11.87            114         +      Not Applicable
  07/05/2025 04 PM PDT           11.87            114         0      Not Applicable
  07/05/2025 05 PM PDT           11.88            116         +      Not Applicable
  07/05/2025 06 PM PDT           11.87            114         -      Not Applicable
  07/05/2025 07 PM PDT           11.87            114         0      Not Applicable
  07/05/2025 08 PM PDT           11.87            114         0      Not Applicable
  07/05/2025 09 PM PDT           11.86            112         -      Not Applicable
  07/05/2025 10 PM PDT           11.86            112         0      Not Applicable
  07/05/2025 11 PM PDT           11.86            112         0      Not Applicable
  07/06/2025 12 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 01 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 02 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 03 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 04 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 05 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 06 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 07 AM PDT           11.86            112         0      Not Applicable
  07/06/2025 08 AM PDT           11.87            114         +      Not Applicable
  07/06/2025 09 AM PDT           11.87            114         0      Not Applicable
  07/06/2025 10 AM PDT           11.87            114         0      Not Applicable
  07/06/2025 11 AM PDT           11.87            114         0      Not Applicable
  07/06/2025 12 PM PDT           11.86            112         -      Not Applicable
  07/06/2025 01 PM PDT           11.87            114         +      Not Applicable
  07/06/2025 02 PM PDT           11.86            112         -      Not Applicable
  07/06/2025 03 PM PDT           11.87            114         +      Not Applicable
  07/06/2025 04 PM PDT           11.86            112         -      Not Applicable
  07/06/2025 05 PM PDT           11.85            110         -      Not Applicable
  07/06/2025 06 PM PDT           11.85            110         0      Not Applicable
  07/06/2025 07 PM PDT           11.85            110         0      Not Applicable
  07/06/2025 08 PM PDT           11.85            110         0      Not Applicable
  07/06/2025 09 PM PDT           11.85            110         0      Not Applicable
  07/06/2025 10 PM PDT           11.85            110         0      Not Applicable
  07/06/2025 11 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 12 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 01 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 02 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 03 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 04 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 05 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 06 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 07 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 08 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 09 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 10 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 11 AM PDT           11.85            110         0      Not Applicable
  07/07/2025 12 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 01 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 02 PM PDT           11.86            112         +      Not Applicable
  07/07/2025 03 PM PDT           11.85            110         -      Not Applicable
  07/07/2025 04 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 05 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 06 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 07 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 08 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 09 PM PDT           11.85            110         0      Not Applicable
  07/07/2025 10 PM PDT           11.84            108         -      Not Applicable
  07/07/2025 11 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 12 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 01 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 02 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 03 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 04 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 05 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 06 AM PDT           11.84            108         0      Not Applicable
  07/08/2025 07 AM PDT           11.85            110         +      Not Applicable
  07/08/2025 08 AM PDT           11.85            110         0      Not Applicable
  07/08/2025 09 AM PDT           11.85            110         0      Not Applicable
  07/08/2025 10 AM PDT           11.85            110         0      Not Applicable
  07/08/2025 11 AM PDT           11.85            110         0      Not Applicable
  07/08/2025 12 PM PDT           11.84            108         -      Not Applicable
  07/08/2025 01 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 02 PM PDT           11.85            110         +      Not Applicable
  07/08/2025 03 PM PDT           11.84            108         -      Not Applicable
  07/08/2025 04 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 05 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 06 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 07 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 08 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 09 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 10 PM PDT           11.84            108         0      Not Applicable
  07/08/2025 11 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 12 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 01 AM PDT           11.83            106         -      Not Applicable
  07/09/2025 02 AM PDT           11.84            108         +      Not Applicable
  07/09/2025 03 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 04 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 05 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 06 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 07 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 08 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 09 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 10 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 11 AM PDT           11.84            108         0      Not Applicable
  07/09/2025 12 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 01 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 02 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 03 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 04 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 05 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 06 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 07 PM PDT           11.84            108         0      Not Applicable
  07/09/2025 08 PM PDT           11.83            106         -      Not Applicable
  07/09/2025 09 PM PDT           11.83            106         0      Not Applicable
  07/09/2025 10 PM PDT           11.83            106         0      Not Applicable
  07/09/2025 11 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 12 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 01 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 02 AM PDT           11.82            104         -      Not Applicable
  07/10/2025 03 AM PDT           11.83            106         +      Not Applicable
  07/10/2025 04 AM PDT           11.84            108         +      Not Applicable
  07/10/2025 05 AM PDT           11.83            106         -      Not Applicable
  07/10/2025 06 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 07 AM PDT           11.83            106         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/10/2025 08 AM PDT           11.83            106                Not Applicable
  07/10/2025 09 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 10 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 11 AM PDT           11.83            106         0      Not Applicable
  07/10/2025 12 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 01 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 02 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 03 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 04 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 05 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 06 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 07 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 08 PM PDT           11.83            106         0      Not Applicable
  07/10/2025 09 PM PDT           11.82            104         -      Not Applicable
  07/10/2025 10 PM PDT           11.82            104         0      Not Applicable
  07/10/2025 11 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 12 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 01 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 02 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 03 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 04 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 05 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 06 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 07 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 08 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 09 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 10 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 11 AM PDT           11.82            104         0      Not Applicable
  07/11/2025 12 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 01 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 02 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 03 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 04 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 05 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 06 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 07 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 08 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 09 PM PDT           11.82            104         0      Not Applicable
  07/11/2025 10 PM PDT           11.81            102         -      Not Applicable
  07/11/2025 11 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 12 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 01 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 02 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 03 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 04 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 05 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 06 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 07 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 08 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 09 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 10 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 11 AM PDT           11.81            102         0      Not Applicable
  07/12/2025 12 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 01 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 02 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 03 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 04 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 05 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 06 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 07 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 08 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 09 PM PDT           11.81            102         0      Not Applicable
  07/12/2025 10 PM PDT           11.80            100         -      Not Applicable
  07/12/2025 11 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 12 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 01 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 02 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 03 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 04 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 05 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 06 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 07 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 08 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 09 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 10 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 11 AM PDT           11.80            100         0      Not Applicable
  07/13/2025 12 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 01 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 02 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 03 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 04 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 05 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 06 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 07 PM PDT           11.80            100         0      Not Applicable
  07/13/2025 08 PM PDT           11.79             98         -      Not Applicable
  07/13/2025 09 PM PDT           11.79             98         0      Not Applicable
  07/13/2025 10 PM PDT           11.79             98         0      Not Applicable
  07/13/2025 11 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 12 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 01 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 02 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 03 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 04 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 05 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 06 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 07 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 08 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 09 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 10 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 11 AM PDT           11.79             98         0      Not Applicable
  07/14/2025 12 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 01 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 02 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 03 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 04 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 05 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 06 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 07 PM PDT           11.79             98         0      Not Applicable
  07/14/2025 08 PM PDT           11.78             97         -      Not Applicable
  07/14/2025 09 PM PDT           11.78             97         0      Not Applicable
  07/14/2025 10 PM PDT           11.78             97         0      Not Applicable
  07/14/2025 11 PM PDT           11.78             97         0      Not Applicable
  07/15/2025 12 AM PDT           11.78             97         0      Not Applicable
  07/15/2025 01 AM PDT           11.78             97         0      Not Applicable
  07/15/2025 02 AM PDT           11.78             97         0      Not Applicable
  07/15/2025 03 AM PDT           11.78             97         0      Not Applicable
  07/15/2025 04 AM PDT           11.78             97         0      Not Applicable
  07/15/2025 05 AM PDT           11.78             97         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.