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: Feb 13 2026 at 7:04 AM PSTNext Issuance: Feb 13 2026 at 3:00 PM PST
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:  02/13/2026 at 07:06 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/09/2026 at 09:00 AM PST
# Maximum Observed Stage:                       12.48 Feet
# Maximum Observed Flow:                        542 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/17/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       14.82 Feet
# Maximum Forecast Flow:                        3327 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/08/2026 07 AM PST           12.22            347                Not Applicable
  02/08/2026 08 AM PST           12.22            347         0      Not Applicable
  02/08/2026 09 AM PST           12.22            347         0      Not Applicable
  02/08/2026 10 AM PST           12.23            354         +      Not Applicable
  02/08/2026 11 AM PST           12.23            354         0      Not Applicable
  02/08/2026 12 PM PST           12.25            367         +      Not Applicable
  02/08/2026 01 PM PST           12.26            374         +      Not Applicable
  02/08/2026 02 PM PST           12.28            388         +      Not Applicable
  02/08/2026 03 PM PST           12.29            395         +      Not Applicable
  02/08/2026 04 PM PST           12.30            402         +      Not Applicable
  02/08/2026 05 PM PST           12.30            402         0      Not Applicable
  02/08/2026 06 PM PST           12.32            417         +      Not Applicable
  02/08/2026 07 PM PST           12.34            432         +      Not Applicable
  02/08/2026 08 PM PST           12.35            440         +      Not Applicable
  02/08/2026 09 PM PST           12.36            448         +      Not Applicable
  02/08/2026 10 PM PST           12.37            455         +      Not Applicable
  02/08/2026 11 PM PST           12.38            463         +      Not Applicable
  02/09/2026 12 AM PST           12.40            480         +      Not Applicable
  02/09/2026 01 AM PST           12.41            488         +      Not Applicable
  02/09/2026 02 AM PST           12.41            488         0      Not Applicable
  02/09/2026 03 AM PST           12.42            496         +      Not Applicable
  02/09/2026 04 AM PST           12.42            496         0      Not Applicable
  02/09/2026 05 AM PST           12.43            503         +      Not Applicable
  02/09/2026 06 AM PST           12.45            519         +      Not Applicable
  02/09/2026 07 AM PST           12.47            534         +      Not Applicable
  02/09/2026 08 AM PST           12.47            534         0      Not Applicable
  02/09/2026 09 AM PST           12.48            542         +      Not Applicable
  02/09/2026 10 AM PST           12.46            526         -      Not Applicable
  02/09/2026 11 AM PST           12.47            534         +      Not Applicable
  02/09/2026 12 PM PST           12.45            519         -      Not Applicable
  02/09/2026 01 PM PST           12.44            511         -      Not Applicable
  02/09/2026 02 PM PST           12.43            503         -      Not Applicable
  02/09/2026 03 PM PST           12.43            503         0      Not Applicable
  02/09/2026 04 PM PST           12.42            496         -      Not Applicable
  02/09/2026 05 PM PST           12.41            488         -      Not Applicable
  02/09/2026 06 PM PST           12.40            480         -      Not Applicable
  02/09/2026 07 PM PST           12.40            480         0      Not Applicable
  02/09/2026 08 PM PST           12.38            463         -      Not Applicable
  02/09/2026 09 PM PST           12.38            463         0      Not Applicable
  02/09/2026 10 PM PST           12.37            455         -      Not Applicable
  02/09/2026 11 PM PST           12.37            455         0      Not Applicable
  02/10/2026 12 AM PST           12.36            448         -      Not Applicable
  02/10/2026 01 AM PST           12.36            448         0      Not Applicable
  02/10/2026 02 AM PST           12.35            440         -      Not Applicable
  02/10/2026 03 AM PST           12.34            432         -      Not Applicable
  02/10/2026 04 AM PST           12.34            432         0      Not Applicable
  02/10/2026 05 AM PST           12.34            432         0      Not Applicable
  02/10/2026 06 AM PST           12.34            432         0      Not Applicable
  02/10/2026 07 AM PST           12.33            425         -      Not Applicable
  02/10/2026 08 AM PST           12.33            425         0      Not Applicable
  02/10/2026 09 AM PST           12.32            417         -      Not Applicable
  02/10/2026 10 AM PST           12.33            425         +      Not Applicable
  02/10/2026 11 AM PST           12.32            417         -      Not Applicable
  02/10/2026 12 PM PST           12.32            417         0      Not Applicable
  02/10/2026 01 PM PST           12.32            417         0      Not Applicable
  02/10/2026 02 PM PST           12.32            417         0      Not Applicable
  02/10/2026 03 PM PST           12.32            417         0      Not Applicable
  02/10/2026 04 PM PST           12.31            410         -      Not Applicable
  02/10/2026 05 PM PST           12.31            410         0      Not Applicable
  02/10/2026 06 PM PST           12.30            402         -      Not Applicable
  02/10/2026 07 PM PST           12.31            410         +      Not Applicable
  02/10/2026 08 PM PST           12.30            402         -      Not Applicable
  02/10/2026 09 PM PST           12.30            402         0      Not Applicable
  02/10/2026 10 PM PST           12.30            402         0      Not Applicable
  02/10/2026 11 PM PST           12.30            402         0      Not Applicable
  02/11/2026 12 AM PST           12.30            402         0      Not Applicable
  02/11/2026 01 AM PST           12.29            395         -      Not Applicable
  02/11/2026 02 AM PST           12.29            395         0      Not Applicable
  02/11/2026 03 AM PST           12.29            395         0      Not Applicable
  02/11/2026 04 AM PST           12.29            395         0      Not Applicable
  02/11/2026 05 AM PST           12.29            395         0      Not Applicable
  02/11/2026 06 AM PST           12.28            388         -      Not Applicable
  02/11/2026 07 AM PST           12.28            388         0      Not Applicable
  02/11/2026 08 AM PST           12.28            388         0      Not Applicable
  02/11/2026 09 AM PST           12.28            388         0      Not Applicable
  02/11/2026 10 AM PST           12.28            388         0      Not Applicable
  02/11/2026 11 AM PST           12.28            388         0      Not Applicable
  02/11/2026 12 PM PST           12.28            388         0      Not Applicable
  02/11/2026 01 PM PST           12.28            388         0      Not Applicable
  02/11/2026 02 PM PST           12.28            388         0      Not Applicable
  02/11/2026 03 PM PST           12.28            388         0      Not Applicable
  02/11/2026 04 PM PST           12.28            388         0      Not Applicable
  02/11/2026 05 PM PST           12.27            381         -      Not Applicable
  02/11/2026 06 PM PST           12.23            354         -      Not Applicable
  02/11/2026 07 PM PST           12.23            354         0      Not Applicable
  02/11/2026 08 PM PST           12.22            347         -      Not Applicable
  02/11/2026 09 PM PST           12.23            354         +      Not Applicable
  02/11/2026 10 PM PST           12.22            347         -      Not Applicable
  02/11/2026 11 PM PST           12.22            347         0      Not Applicable
  02/12/2026 12 AM PST           12.23            354         +      Not Applicable
  02/12/2026 01 AM PST           12.22            347         -      Not Applicable
  02/12/2026 02 AM PST           12.22            347         0      Not Applicable
  02/12/2026 03 AM PST           12.22            347         0      Not Applicable
  02/12/2026 04 AM PST           12.22            347         0      Not Applicable
  02/12/2026 05 AM PST           12.22            347         0      Not Applicable
  02/12/2026 06 AM PST           12.22            347         0      Not Applicable
  02/12/2026 07 AM PST           12.22            347         0      Not Applicable
  02/12/2026 08 AM PST           12.22            347         0      Not Applicable
  02/12/2026 09 AM PST           12.22            347         0      Not Applicable
  02/12/2026 10 AM PST           12.22            347         0      Not Applicable
  02/12/2026 11 AM PST           12.22            347         0      Not Applicable
  02/12/2026 12 PM PST           12.22            347         0      Not Applicable
  02/12/2026 01 PM PST           12.22            347         0      Not Applicable
  02/12/2026 02 PM PST           12.22            347         0      Not Applicable
  02/12/2026 03 PM PST           12.22            347         0      Not Applicable
  02/12/2026 04 PM PST           12.21            341         -      Not Applicable
  02/12/2026 05 PM PST           12.21            341         0      Not Applicable
  02/12/2026 06 PM PST           12.21            341         0      Not Applicable
  02/12/2026 07 PM PST           12.21            341         0      Not Applicable
  02/12/2026 08 PM PST           12.21            341         0      Not Applicable
  02/12/2026 09 PM PST           12.20            334         -      Not Applicable
  02/12/2026 10 PM PST           12.20            334         0      Not Applicable
  02/12/2026 11 PM PST           12.20            334         0      Not Applicable
  02/13/2026 12 AM PST           12.20            334         0      Not Applicable
  02/13/2026 01 AM PST           12.20            334         0      Not Applicable
  02/13/2026 02 AM PST           12.20            334         0      Not Applicable
  02/13/2026 03 AM PST           12.20            334         0      Not Applicable
  02/13/2026 04 AM PST           12.19            328         -      Not Applicable
  02/13/2026 05 AM PST           12.19            328         0      Not Applicable
  02/13/2026 06 AM PST           12.19            328         0      Not Applicable
  02/13/2026 07 AM PST           12.19            328         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/13/2026 08 AM PST           12.19            328                Not Applicable
  02/13/2026 09 AM PST           12.19            328         0      Not Applicable
  02/13/2026 10 AM PST           12.19            328         0      Not Applicable
  02/13/2026 11 AM PST           12.19            328         0      Not Applicable
  02/13/2026 12 PM PST           12.19            328         0      Not Applicable
  02/13/2026 01 PM PST           12.19            328         0      Not Applicable
  02/13/2026 02 PM PST           12.19            328         0      Not Applicable
  02/13/2026 03 PM PST           12.19            328         0      Not Applicable
  02/13/2026 04 PM PST           12.19            328         0      Not Applicable
  02/13/2026 05 PM PST           12.19            328         0      Not Applicable
  02/13/2026 06 PM PST           12.19            328         0      Not Applicable
  02/13/2026 07 PM PST           12.19            328         0      Not Applicable
  02/13/2026 08 PM PST           12.19            328         0      Not Applicable
  02/13/2026 09 PM PST           12.19            328         0      Not Applicable
  02/13/2026 10 PM PST           12.19            328         0      Not Applicable
  02/13/2026 11 PM PST           12.19            328         0      Not Applicable
  02/14/2026 12 AM PST           12.18            322         -      Not Applicable
  02/14/2026 01 AM PST           12.18            322         0      Not Applicable
  02/14/2026 02 AM PST           12.18            322         0      Not Applicable
  02/14/2026 03 AM PST           12.18            322         0      Not Applicable
  02/14/2026 04 AM PST           12.18            322         0      Not Applicable
  02/14/2026 05 AM PST           12.18            322         0      Not Applicable
  02/14/2026 06 AM PST           12.18            322         0      Not Applicable
  02/14/2026 07 AM PST           12.18            322         0      Not Applicable
  02/14/2026 08 AM PST           12.18            322         0      Not Applicable
  02/14/2026 09 AM PST           12.18            322         0      Not Applicable
  02/14/2026 10 AM PST           12.18            322         0      Not Applicable
  02/14/2026 11 AM PST           12.18            322         0      Not Applicable
  02/14/2026 12 PM PST           12.18            322         0      Not Applicable
  02/14/2026 01 PM PST           12.18            322         0      Not Applicable
  02/14/2026 02 PM PST           12.18            322         0      Not Applicable
  02/14/2026 03 PM PST           12.18            322         0      Not Applicable
  02/14/2026 04 PM PST           12.18            322         0      Not Applicable
  02/14/2026 05 PM PST           12.18            322         0      Not Applicable
  02/14/2026 06 PM PST           12.18            322         0      Not Applicable
  02/14/2026 07 PM PST           12.18            322         0      Not Applicable
  02/14/2026 08 PM PST           12.18            322         0      Not Applicable
  02/14/2026 09 PM PST           12.18            322         0      Not Applicable
  02/14/2026 10 PM PST           12.18            322         0      Not Applicable
  02/14/2026 11 PM PST           12.18            322         0      Not Applicable
  02/15/2026 12 AM PST           12.18            322         0      Not Applicable
  02/15/2026 01 AM PST           12.18            322         0      Not Applicable
  02/15/2026 02 AM PST           12.18            322         0      Not Applicable
  02/15/2026 03 AM PST           12.18            322         0      Not Applicable
  02/15/2026 04 AM PST           12.18            322         0      Not Applicable
  02/15/2026 05 AM PST           12.18            322         0      Not Applicable
  02/15/2026 06 AM PST           12.18            322         0      Not Applicable
  02/15/2026 07 AM PST           12.18            322         0      Not Applicable
  02/15/2026 08 AM PST           12.19            328         +      Not Applicable
  02/15/2026 09 AM PST           12.19            328         0      Not Applicable
  02/15/2026 10 AM PST           12.19            328         0      Not Applicable
  02/15/2026 11 AM PST           12.20            334         +      Not Applicable
  02/15/2026 12 PM PST           12.20            334         0      Not Applicable
  02/15/2026 01 PM PST           12.22            347         +      Not Applicable
  02/15/2026 02 PM PST           12.29            395         +      Not Applicable
  02/15/2026 03 PM PST           12.44            511         +      Not Applicable
  02/15/2026 04 PM PST           12.64            669         +      Not Applicable
  02/15/2026 05 PM PST           12.95            964         +      Not Applicable
  02/15/2026 06 PM PST           13.56           1679         +      Not Applicable
  02/15/2026 07 PM PST           13.69           1839         +      Not Applicable
  02/15/2026 08 PM PST           13.82           2002         +      Not Applicable
  02/15/2026 09 PM PST           13.93           2142         +      Not Applicable
  02/15/2026 10 PM PST           14.04           2283         +      Not Applicable
  02/15/2026 11 PM PST           14.12           2387         +      Not Applicable
  02/16/2026 12 AM PST           14.18           2465         +      Not Applicable
  02/16/2026 01 AM PST           14.21           2505         +      Not Applicable
  02/16/2026 02 AM PST           14.22           2518         +      Not Applicable
  02/16/2026 03 AM PST           14.22           2518         0      Not Applicable
  02/16/2026 04 AM PST           14.22           2518         0      Not Applicable
  02/16/2026 05 AM PST           14.21           2505         -      Not Applicable
  02/16/2026 06 AM PST           14.19           2479         -      Not Applicable
  02/16/2026 07 AM PST           14.16           2439         -      Not Applicable
  02/16/2026 08 AM PST           14.13           2400         -      Not Applicable
  02/16/2026 09 AM PST           14.09           2348         -      Not Applicable
  02/16/2026 10 AM PST           14.06           2309         -      Not Applicable
  02/16/2026 11 AM PST           14.03           2270         -      Not Applicable
  02/16/2026 12 PM PST           14.00           2232         -      Not Applicable
  02/16/2026 01 PM PST           13.99           2219         -      Not Applicable
  02/16/2026 02 PM PST           13.98           2206         -      Not Applicable
  02/16/2026 03 PM PST           13.98           2206         0      Not Applicable
  02/16/2026 04 PM PST           13.98           2206         0      Not Applicable
  02/16/2026 05 PM PST           13.99           2219         +      Not Applicable
  02/16/2026 06 PM PST           14.02           2258         +      Not Applicable
  02/16/2026 07 PM PST           14.06           2309         +      Not Applicable
  02/16/2026 08 PM PST           14.10           2361         +      Not Applicable
  02/16/2026 09 PM PST           14.15           2426         +      Not Applicable
  02/16/2026 10 PM PST           14.21           2505         +      Not Applicable
  02/16/2026 11 PM PST           14.26           2571         +      Not Applicable
  02/17/2026 12 AM PST           14.30           2623         +      Not Applicable
  02/17/2026 01 AM PST           14.34           2677         +      Not Applicable
  02/17/2026 02 AM PST           14.38           2730         +      Not Applicable
  02/17/2026 03 AM PST           14.42           2783         +      Not Applicable
  02/17/2026 04 AM PST           14.47           2850         +      Not Applicable
  02/17/2026 05 AM PST           14.51           2904         +      Not Applicable
  02/17/2026 06 AM PST           14.56           2971         +      Not Applicable
  02/17/2026 07 AM PST           14.62           3053         +      Not Applicable
  02/17/2026 08 AM PST           14.67           3121         +      Not Applicable
  02/17/2026 09 AM PST           14.71           3176         +      Not Applicable
  02/17/2026 10 AM PST           14.76           3244         +      Not Applicable
  02/17/2026 11 AM PST           14.79           3285         +      Not Applicable
  02/17/2026 12 PM PST           14.81           3313         +      Not Applicable
  02/17/2026 01 PM PST           14.82           3327         +      Not Applicable
  02/17/2026 02 PM PST           14.82           3327         0      Not Applicable
  02/17/2026 03 PM PST           14.82           3327         0      Not Applicable
  02/17/2026 04 PM PST           14.82           3327         0      Not Applicable
  02/17/2026 05 PM PST           14.81           3313         -      Not Applicable
  02/17/2026 06 PM PST           14.80           3299         -      Not Applicable
  02/17/2026 07 PM PST           14.78           3272         -      Not Applicable
  02/17/2026 08 PM PST           14.75           3230         -      Not Applicable
  02/17/2026 09 PM PST           14.72           3189         -      Not Applicable
  02/17/2026 10 PM PST           14.70           3162         -      Not Applicable
  02/17/2026 11 PM PST           14.67           3121         -      Not Applicable
  02/18/2026 12 AM PST           14.64           3080         -      Not Applicable
  02/18/2026 01 AM PST           14.62           3053         -      Not Applicable
  02/18/2026 02 AM PST           14.59           3012         -      Not Applicable
  02/18/2026 03 AM PST           14.56           2971         -      Not Applicable
  02/18/2026 04 AM PST           14.53           2931         -      Not Applicable
  02/18/2026 05 AM PST           14.51           2904         -      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.