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 CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Jul 26 2024 at 7:11 AM PDTNext Issuance: Jul 27 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Petrolia (MTOC1)
#
# File Generation Time:  07/26/2024 at 07:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/24/2024 at 03:00 PM PDT
# Maximum Observed Stage:                       11.62 Feet
# Maximum Observed Flow:                        34 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/26/2024 at 08:00 AM PDT
# Maximum Forecast Stage:                       11.58 Feet
# Maximum Forecast Flow:                        30 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/21/2024 07 AM PDT           11.62             34                Not Applicable
  07/21/2024 08 AM PDT           11.62             34         0      Not Applicable
  07/21/2024 09 AM PDT           11.62             34         0      Not Applicable
  07/21/2024 10 AM PDT           11.62             34         0      Not Applicable
  07/21/2024 11 AM PDT           11.62             34         0      Not Applicable
  07/21/2024 12 PM PDT           11.62             34         0      Not Applicable
  07/21/2024 01 PM PDT           11.61             33         -      Not Applicable
  07/21/2024 02 PM PDT           11.61             33         0      Not Applicable
  07/21/2024 03 PM PDT           11.60             32         -      Not Applicable
  07/21/2024 04 PM PDT           11.61             33         +      Not Applicable
  07/21/2024 05 PM PDT           11.61             33         0      Not Applicable
  07/21/2024 06 PM PDT           11.61             33         0      Not Applicable
  07/21/2024 07 PM PDT           11.61             33         0      Not Applicable
  07/21/2024 08 PM PDT           11.60             32         -      Not Applicable
  07/21/2024 09 PM PDT           11.60             32         0      Not Applicable
  07/21/2024 10 PM PDT           11.60             32         0      Not Applicable
  07/21/2024 11 PM PDT           11.61             33         +      Not Applicable
  07/22/2024 12 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 01 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 02 AM PDT           11.60             32         -      Not Applicable
  07/22/2024 03 AM PDT           11.61             33         +      Not Applicable
  07/22/2024 04 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 05 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 06 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 07 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 08 AM PDT           11.61             33         0      Not Applicable
  07/22/2024 09 AM PDT           11.62             34         +      Not Applicable
  07/22/2024 10 AM PDT           11.62             34         0      Not Applicable
  07/22/2024 11 AM PDT           11.62             34         0      Not Applicable
  07/22/2024 12 PM PDT           11.62             34         0      Not Applicable
  07/22/2024 01 PM PDT           11.62             34         0      Not Applicable
  07/22/2024 02 PM PDT           11.62             34         0      Not Applicable
  07/22/2024 03 PM PDT           11.62             34         0      Not Applicable
  07/22/2024 04 PM PDT           11.61             33         -      Not Applicable
  07/22/2024 05 PM PDT           11.61             33         0      Not Applicable
  07/22/2024 06 PM PDT           11.60             32         -      Not Applicable
  07/22/2024 07 PM PDT           11.60             32         0      Not Applicable
  07/22/2024 08 PM PDT           11.61             33         +      Not Applicable
  07/22/2024 09 PM PDT           11.61             33         0      Not Applicable
  07/22/2024 10 PM PDT           11.61             33         0      Not Applicable
  07/22/2024 11 PM PDT           11.61             33         0      Not Applicable
  07/23/2024 12 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 01 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 02 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 03 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 04 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 05 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 06 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 07 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 08 AM PDT           11.61             33         0      Not Applicable
  07/23/2024 09 AM PDT           11.62             34         +      Not Applicable
  07/23/2024 10 AM PDT           11.62             34         0      Not Applicable
  07/23/2024 11 AM PDT           11.62             34         0      Not Applicable
  07/23/2024 12 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 01 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 02 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 03 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 04 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 05 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 06 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 07 PM PDT           11.62             34         0      Not Applicable
  07/23/2024 08 PM PDT           11.61             33         -      Not Applicable
  07/23/2024 09 PM PDT           11.61             33         0      Not Applicable
  07/23/2024 10 PM PDT           11.61             33         0      Not Applicable
  07/23/2024 11 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 12 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 01 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 02 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 03 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 04 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 05 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 06 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 07 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 08 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 09 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 10 AM PDT           11.61             33         0      Not Applicable
  07/24/2024 11 AM PDT           11.62             34         +      Not Applicable
  07/24/2024 12 PM PDT           11.61             33         -      Not Applicable
  07/24/2024 01 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 02 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 03 PM PDT           11.62             34         +      Not Applicable
  07/24/2024 04 PM PDT           11.61             33         -      Not Applicable
  07/24/2024 05 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 06 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 07 PM PDT           11.61             33         0      Not Applicable
  07/24/2024 08 PM PDT           11.60             32         -      Not Applicable
  07/24/2024 09 PM PDT           11.60             32         0      Not Applicable
  07/24/2024 10 PM PDT           11.60             32         0      Not Applicable
  07/24/2024 11 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 12 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 01 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 02 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 03 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 04 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 05 AM PDT           11.59             31         -      Not Applicable
  07/25/2024 06 AM PDT           11.59             31         0      Not Applicable
  07/25/2024 07 AM PDT           11.60             32         +      Not Applicable
  07/25/2024 08 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 09 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 10 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 11 AM PDT           11.60             32         0      Not Applicable
  07/25/2024 12 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 01 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 02 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 03 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 04 PM PDT           11.59             31         -      Not Applicable
  07/25/2024 05 PM PDT           11.60             32         +      Not Applicable
  07/25/2024 06 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 07 PM PDT           11.60             32         0      Not Applicable
  07/25/2024 08 PM PDT           11.59             31         -      Not Applicable
  07/25/2024 09 PM PDT           11.59             31         0      Not Applicable
  07/25/2024 10 PM PDT           11.59             31         0      Not Applicable
  07/25/2024 11 PM PDT           11.59             31         0      Not Applicable
  07/26/2024 12 AM PDT           11.59             31         0      Not Applicable
  07/26/2024 01 AM PDT           11.59             31         0      Not Applicable
  07/26/2024 02 AM PDT           11.58             30         -      Not Applicable
  07/26/2024 03 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 04 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 05 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 06 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 07 AM PDT           11.58             30         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/26/2024 08 AM PDT           11.58             30                Not Applicable
  07/26/2024 09 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 10 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 11 AM PDT           11.58             30         0      Not Applicable
  07/26/2024 12 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 01 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 02 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 03 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 04 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 05 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 06 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 07 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 08 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 09 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 10 PM PDT           11.58             30         0      Not Applicable
  07/26/2024 11 PM PDT           11.58             30         0      Not Applicable
  07/27/2024 12 AM PDT           11.58             30         0      Not Applicable
  07/27/2024 01 AM PDT           11.58             30         0      Not Applicable
  07/27/2024 02 AM PDT           11.58             30         0      Not Applicable
  07/27/2024 03 AM PDT           11.58             30         0      Not Applicable
  07/27/2024 04 AM PDT           11.57             30         -      Not Applicable
  07/27/2024 05 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 06 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 07 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 08 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 09 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 10 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 11 AM PDT           11.57             30         0      Not Applicable
  07/27/2024 12 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 01 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 02 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 03 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 04 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 05 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 06 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 07 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 08 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 09 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 10 PM PDT           11.57             30         0      Not Applicable
  07/27/2024 11 PM PDT           11.57             30         0      Not Applicable
  07/28/2024 12 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 01 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 02 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 03 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 04 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 05 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 06 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 07 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 08 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 09 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 10 AM PDT           11.57             30         0      Not Applicable
  07/28/2024 11 AM PDT           11.56             29         -      Not Applicable
  07/28/2024 12 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 01 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 02 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 03 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 04 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 05 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 06 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 07 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 08 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 09 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 10 PM PDT           11.56             29         0      Not Applicable
  07/28/2024 11 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 12 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 01 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 02 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 03 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 04 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 05 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 06 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 07 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 08 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 09 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 10 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 11 AM PDT           11.56             29         0      Not Applicable
  07/29/2024 12 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 01 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 02 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 03 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 04 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 05 PM PDT           11.56             29         0      Not Applicable
  07/29/2024 06 PM PDT           11.55             28         -      Not Applicable
  07/29/2024 07 PM PDT           11.55             28         0      Not Applicable
  07/29/2024 08 PM PDT           11.55             28         0      Not Applicable
  07/29/2024 09 PM PDT           11.55             28         0      Not Applicable
  07/29/2024 10 PM PDT           11.55             28         0      Not Applicable
  07/29/2024 11 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 12 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 01 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 02 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 03 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 04 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 05 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 06 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 07 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 08 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 09 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 10 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 11 AM PDT           11.55             28         0      Not Applicable
  07/30/2024 12 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 01 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 02 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 03 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 04 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 05 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 06 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 07 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 08 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 09 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 10 PM PDT           11.55             28         0      Not Applicable
  07/30/2024 11 PM PDT           11.55             28         0      Not Applicable
  07/31/2024 12 AM PDT           11.54             28         -      Not Applicable
  07/31/2024 01 AM PDT           11.54             28         0      Not Applicable
  07/31/2024 02 AM PDT           11.54             28         0      Not Applicable
  07/31/2024 03 AM PDT           11.54             28         0      Not Applicable
  07/31/2024 04 AM PDT           11.54             28         0      Not Applicable
  07/31/2024 05 AM PDT           11.54             28         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.