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MATTOLE RIVER - PETROLIA (MTOC1)
| Latitude: 40.31º N | Longitude: 124.28º W | Elevation: 40 Feet | | | |
| Location: Humboldt County in California | Bulletin Group: North Coast | River Group: North Coast |
| Issuance Time: | Dec 26 2025 at 1:21 PM PST | Next Issuance: | Dec 27 2025 at 9:00 AM 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: 12/26/2025 at 01:23 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/21/2025 at 01:00 PM PST
# Maximum Observed Stage: 26.29 Feet
# Maximum Observed Flow: 30656 cfs
#
# Earliest Date & Time of Maximum Forecast: 12/26/2025 at 03:00 PM PST
# Maximum Forecast Stage: 19.88 Feet
# Maximum Forecast Flow: 13043 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
12/21/2025 01 PM PST 26.29 30656 Not Applicable
12/21/2025 02 PM PST 26.06 29956 - Not Applicable
12/21/2025 03 PM PST 25.89 29441 - Not Applicable
12/21/2025 04 PM PST 25.55 28419 - Not Applicable
12/21/2025 05 PM PST 25.56 28449 + Not Applicable
12/21/2025 06 PM PST 25.43 28061 - Not Applicable
12/21/2025 07 PM PST 25.19 27348 - Not Applicable
12/21/2025 08 PM PST 24.83 26288 - Not Applicable
12/21/2025 09 PM PST 24.48 25269 - Not Applicable
12/21/2025 10 PM PST 23.75 23181 - Not Applicable
12/21/2025 11 PM PST 23.37 22113 - Not Applicable
12/22/2025 12 AM PST 22.60 19995 - Not Applicable
12/22/2025 01 AM PST 22.08 18598 - Not Applicable
12/22/2025 02 AM PST 21.60 17334 - Not Applicable
12/22/2025 03 AM PST 21.24 16402 - Not Applicable
12/22/2025 04 AM PST 20.76 15182 - Not Applicable
12/22/2025 05 AM PST 20.43 14359 - Not Applicable
12/22/2025 06 AM PST 20.06 13452 - Not Applicable
12/22/2025 07 AM PST 19.80 12869 - Not Applicable
12/22/2025 08 AM PST 19.49 12200 - Not Applicable
12/22/2025 09 AM PST 19.24 11668 - Not Applicable
12/22/2025 10 AM PST 18.96 11079 - Not Applicable
12/22/2025 11 AM PST 18.66 10458 - Not Applicable
12/22/2025 12 PM PST 18.43 9989 - Not Applicable
12/22/2025 01 PM PST 18.22 9566 - Not Applicable
12/22/2025 02 PM PST 17.87 8872 - Not Applicable
12/22/2025 03 PM PST 17.91 8951 + Not Applicable
12/22/2025 04 PM PST 17.69 8521 - Not Applicable
12/22/2025 05 PM PST 17.53 8212 - Not Applicable
12/22/2025 06 PM PST 17.38 7926 - Not Applicable
12/22/2025 07 PM PST 17.28 7736 - Not Applicable
12/22/2025 08 PM PST 17.13 7455 - Not Applicable
12/22/2025 09 PM PST 16.95 7120 - Not Applicable
12/22/2025 10 PM PST 16.82 6882 - Not Applicable
12/22/2025 11 PM PST 16.78 6809 - Not Applicable
12/23/2025 12 AM PST 16.54 6375 - Not Applicable
12/23/2025 01 AM PST 16.50 6304 - Not Applicable
12/23/2025 02 AM PST 16.45 6215 - Not Applicable
12/23/2025 03 AM PST 16.29 5932 - Not Applicable
12/23/2025 04 AM PST 16.26 5880 - Not Applicable
12/23/2025 05 AM PST 16.14 5671 - Not Applicable
12/23/2025 06 AM PST 16.03 5481 - Not Applicable
12/23/2025 07 AM PST 15.94 5327 - Not Applicable
12/23/2025 08 AM PST 15.95 5344 + Not Applicable
12/23/2025 09 AM PST 15.92 5293 - Not Applicable
12/23/2025 10 AM PST 15.89 5242 - Not Applicable
12/23/2025 11 AM PST 15.86 5192 - Not Applicable
12/23/2025 12 PM PST 15.94 5327 + Not Applicable
12/23/2025 01 PM PST 15.84 5158 - Not Applicable
12/23/2025 02 PM PST 15.94 5327 + Not Applicable
12/23/2025 03 PM PST 15.88 5225 - Not Applicable
12/23/2025 04 PM PST 15.88 5225 0 Not Applicable
12/23/2025 05 PM PST 16.03 5481 + Not Applicable
12/23/2025 06 PM PST 16.17 5723 + Not Applicable
12/23/2025 07 PM PST 16.22 5810 + Not Applicable
12/23/2025 08 PM PST 16.19 5758 - Not Applicable
12/23/2025 09 PM PST 16.18 5740 - Not Applicable
12/23/2025 10 PM PST 16.12 5636 - Not Applicable
12/23/2025 11 PM PST 16.12 5636 0 Not Applicable
12/24/2025 12 AM PST 16.28 5915 + Not Applicable
12/24/2025 01 AM PST 16.43 6179 + Not Applicable
12/24/2025 02 AM PST 16.88 6992 + Not Applicable
12/24/2025 03 AM PST 17.22 7623 + Not Applicable
12/24/2025 04 AM PST 17.54 8232 + Not Applicable
12/24/2025 05 AM PST 17.93 8990 + Not Applicable
12/24/2025 06 AM PST 18.55 10233 + Not Applicable
12/24/2025 07 AM PST 18.81 10768 + Not Applicable
12/24/2025 08 AM PST 18.69 10520 - Not Applicable
12/24/2025 09 AM PST 18.84 10830 + Not Applicable
12/24/2025 10 AM PST 19.02 11205 + Not Applicable
12/24/2025 11 AM PST 19.10 11372 + Not Applicable
12/24/2025 12 PM PST 18.97 11100 - Not Applicable
12/24/2025 01 PM PST 18.76 10664 - Not Applicable
12/24/2025 02 PM PST 18.58 10294 - Not Applicable
12/24/2025 03 PM PST 18.26 9646 - Not Applicable
12/24/2025 04 PM PST 18.10 9327 - Not Applicable
12/24/2025 05 PM PST 18.09 9307 - Not Applicable
12/24/2025 06 PM PST 17.83 8794 - Not Applicable
12/24/2025 07 PM PST 17.55 8251 - Not Applicable
12/24/2025 08 PM PST 17.54 8232 - Not Applicable
12/24/2025 09 PM PST 17.45 8059 - Not Applicable
12/24/2025 10 PM PST 17.29 7755 - Not Applicable
12/24/2025 11 PM PST 17.31 7793 + Not Applicable
12/25/2025 12 AM PST 17.17 7529 - Not Applicable
12/25/2025 01 AM PST 17.08 7361 - Not Applicable
12/25/2025 02 AM PST 17.01 7231 - Not Applicable
12/25/2025 03 AM PST 16.99 7194 - Not Applicable
12/25/2025 04 AM PST 16.94 7102 - Not Applicable
12/25/2025 05 AM PST 16.89 7010 - Not Applicable
12/25/2025 06 AM PST 16.88 6992 - Not Applicable
12/25/2025 07 AM PST 16.70 6663 - Not Applicable
12/25/2025 08 AM PST 16.75 6754 + Not Applicable
12/25/2025 09 AM PST 16.79 6827 + Not Applicable
12/25/2025 10 AM PST 16.82 6882 + Not Applicable
12/25/2025 11 AM PST 16.79 6827 - Not Applicable
12/25/2025 12 PM PST 16.75 6754 - Not Applicable
12/25/2025 01 PM PST 16.64 6555 - Not Applicable
12/25/2025 02 PM PST 16.58 6447 - Not Applicable
12/25/2025 03 PM PST 16.59 6465 + Not Applicable
12/25/2025 04 PM PST 16.60 6483 + Not Applicable
12/25/2025 05 PM PST 16.61 6501 + Not Applicable
12/25/2025 06 PM PST 16.61 6501 0 Not Applicable
12/25/2025 07 PM PST 16.61 6501 0 Not Applicable
12/25/2025 08 PM PST 16.62 6519 + Not Applicable
12/25/2025 09 PM PST 16.75 6754 + Not Applicable
12/25/2025 10 PM PST 16.91 7047 + Not Applicable
12/25/2025 11 PM PST 16.95 7120 + Not Applicable
12/26/2025 12 AM PST 17.10 7399 + Not Applicable
12/26/2025 01 AM PST 17.13 7455 + Not Applicable
12/26/2025 02 AM PST 16.89 7010 - Not Applicable
12/26/2025 03 AM PST 17.17 7529 + Not Applicable
12/26/2025 04 AM PST 17.22 7623 + Not Applicable
12/26/2025 05 AM PST 17.16 7511 - Not Applicable
12/26/2025 06 AM PST 17.51 8174 + Not Applicable
12/26/2025 07 AM PST 17.77 8677 + Not Applicable
12/26/2025 08 AM PST 18.19 9506 + Not Applicable
12/26/2025 09 AM PST 18.72 10582 + Not Applicable
12/26/2025 10 AM PST 19.19 11562 + Not Applicable
12/26/2025 11 AM PST 19.39 11986 + Not Applicable
12/26/2025 12 PM PST 19.65 12544 + Not Applicable
12/26/2025 01 PM PST 19.79 12847 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
12/26/2025 02 PM PST 19.87 13022 Not Applicable
12/26/2025 03 PM PST 19.88 13043 + Not Applicable
12/26/2025 04 PM PST 19.84 12956 - Not Applicable
12/26/2025 05 PM PST 19.79 12847 - Not Applicable
12/26/2025 06 PM PST 19.72 12695 - Not Applicable
12/26/2025 07 PM PST 19.62 12479 - Not Applicable
12/26/2025 08 PM PST 19.50 12221 - Not Applicable
12/26/2025 09 PM PST 19.37 11944 - Not Applicable
12/26/2025 10 PM PST 19.22 11625 - Not Applicable
12/26/2025 11 PM PST 19.07 11309 - Not Applicable
12/27/2025 12 AM PST 18.90 10954 - Not Applicable
12/27/2025 01 AM PST 18.73 10602 - Not Applicable
12/27/2025 02 AM PST 18.56 10254 - Not Applicable
12/27/2025 03 AM PST 18.39 9908 - Not Applicable
12/27/2025 04 AM PST 18.22 9566 - Not Applicable
12/27/2025 05 AM PST 18.06 9247 - Not Applicable
12/27/2025 06 AM PST 17.91 8951 - Not Applicable
12/27/2025 07 AM PST 17.76 8657 - Not Applicable
12/27/2025 08 AM PST 17.61 8366 - Not Applicable
12/27/2025 09 AM PST 17.48 8117 - Not Applicable
12/27/2025 10 AM PST 17.34 7850 - Not Applicable
12/27/2025 11 AM PST 17.22 7623 - Not Applicable
12/27/2025 12 PM PST 17.12 7436 - Not Applicable
12/27/2025 01 PM PST 17.03 7268 - Not Applicable
12/27/2025 02 PM PST 16.94 7102 - Not Applicable
12/27/2025 03 PM PST 16.85 6937 - Not Applicable
12/27/2025 04 PM PST 16.77 6790 - Not Applicable
12/27/2025 05 PM PST 16.69 6645 - Not Applicable
12/27/2025 06 PM PST 16.61 6501 - Not Applicable
12/27/2025 07 PM PST 16.54 6375 - Not Applicable
12/27/2025 08 PM PST 16.46 6232 - Not Applicable
12/27/2025 09 PM PST 16.39 6108 - Not Applicable
12/27/2025 10 PM PST 16.33 6002 - Not Applicable
12/27/2025 11 PM PST 16.27 5897 - Not Applicable
12/28/2025 12 AM PST 16.20 5775 - Not Applicable
12/28/2025 01 AM PST 16.14 5671 - Not Applicable
12/28/2025 02 AM PST 16.09 5584 - Not Applicable
12/28/2025 03 AM PST 16.04 5498 - Not Applicable
12/28/2025 04 AM PST 15.99 5413 - Not Applicable
12/28/2025 05 AM PST 15.94 5327 - Not Applicable
12/28/2025 06 AM PST 15.89 5242 - Not Applicable
12/28/2025 07 AM PST 15.84 5158 - Not Applicable
12/28/2025 08 AM PST 15.79 5074 - Not Applicable
12/28/2025 09 AM PST 15.74 4990 - Not Applicable
12/28/2025 10 AM PST 15.70 4923 - Not Applicable
12/28/2025 11 AM PST 15.66 4857 - Not Applicable
12/28/2025 12 PM PST 15.61 4774 - Not Applicable
12/28/2025 01 PM PST 15.57 4708 - Not Applicable
12/28/2025 02 PM PST 15.53 4642 - Not Applicable
12/28/2025 03 PM PST 15.49 4577 - Not Applicable
12/28/2025 04 PM PST 15.45 4512 - Not Applicable
12/28/2025 05 PM PST 15.42 4463 - Not Applicable
12/28/2025 06 PM PST 15.38 4398 - Not Applicable
12/28/2025 07 PM PST 15.35 4350 - Not Applicable
12/28/2025 08 PM PST 15.31 4286 - Not Applicable
12/28/2025 09 PM PST 15.28 4238 - Not Applicable
12/28/2025 10 PM PST 15.25 4190 - Not Applicable
12/28/2025 11 PM PST 15.22 4142 - Not Applicable
12/29/2025 12 AM PST 15.19 4094 - Not Applicable
12/29/2025 01 AM PST 15.16 4047 - Not Applicable
12/29/2025 02 AM PST 15.13 4000 - Not Applicable
12/29/2025 03 AM PST 15.10 3953 - Not Applicable
12/29/2025 04 AM PST 15.07 3906 - Not Applicable
12/29/2025 05 AM PST 15.04 3859 - Not Applicable
12/29/2025 06 AM PST 15.01 3812 - Not Applicable
12/29/2025 07 AM PST 14.98 3766 - Not Applicable
12/29/2025 08 AM PST 14.96 3735 - Not Applicable
12/29/2025 09 AM PST 14.93 3689 - Not Applicable
12/29/2025 10 AM PST 14.90 3643 - Not Applicable
12/29/2025 11 AM PST 14.88 3612 - Not Applicable
12/29/2025 12 PM PST 14.85 3566 - Not Applicable
12/29/2025 01 PM PST 14.83 3536 - Not Applicable
12/29/2025 02 PM PST 14.80 3490 - Not Applicable
12/29/2025 03 PM PST 14.78 3460 - Not Applicable
12/29/2025 04 PM PST 14.76 3430 - Not Applicable
12/29/2025 05 PM PST 14.74 3400 - Not Applicable
12/29/2025 06 PM PST 14.71 3355 - Not Applicable
12/29/2025 07 PM PST 14.69 3325 - Not Applicable
12/29/2025 08 PM PST 14.67 3295 - Not Applicable
12/29/2025 09 PM PST 14.65 3265 - Not Applicable
12/29/2025 10 PM PST 14.63 3236 - Not Applicable
12/29/2025 11 PM PST 14.61 3206 - Not Applicable
12/30/2025 12 AM PST 14.59 3177 - Not Applicable
12/30/2025 01 AM PST 14.57 3147 - Not Applicable
12/30/2025 02 AM PST 14.55 3118 - Not Applicable
12/30/2025 03 AM PST 14.53 3088 - Not Applicable
12/30/2025 04 AM PST 14.51 3059 - Not Applicable
12/30/2025 05 AM PST 14.49 3030 - Not Applicable
12/30/2025 06 AM PST 14.47 3001 - Not Applicable
12/30/2025 07 AM PST 14.45 2972 - Not Applicable
12/30/2025 08 AM PST 14.44 2958 - Not Applicable
12/30/2025 09 AM PST 14.42 2929 - Not Applicable
12/30/2025 10 AM PST 14.40 2900 - Not Applicable
12/30/2025 11 AM PST 14.38 2871 - Not Applicable
12/30/2025 12 PM PST 14.37 2857 - Not Applicable
12/30/2025 01 PM PST 14.35 2828 - Not Applicable
12/30/2025 02 PM PST 14.34 2814 - Not Applicable
12/30/2025 03 PM PST 14.32 2785 - Not Applicable
12/30/2025 04 PM PST 14.31 2771 - Not Applicable
12/30/2025 05 PM PST 14.29 2743 - Not Applicable
12/30/2025 06 PM PST 14.28 2729 - Not Applicable
12/30/2025 07 PM PST 14.27 2715 - Not Applicable
12/30/2025 08 PM PST 14.25 2686 - Not Applicable
12/30/2025 09 PM PST 14.24 2672 - Not Applicable
12/30/2025 10 PM PST 14.22 2644 - Not Applicable
12/30/2025 11 PM PST 14.21 2630 - Not Applicable
12/31/2025 12 AM PST 14.19 2602 - Not Applicable
12/31/2025 01 AM PST 14.18 2588 - Not Applicable
12/31/2025 02 AM PST 14.16 2560 - Not Applicable
12/31/2025 03 AM PST 14.15 2547 - Not Applicable
12/31/2025 04 AM PST 14.14 2533 - 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.
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