CNRFC - Hydrology - River Guidance - Tabular Data

Location:

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KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">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 27 2025 at 9:16 AM PST Next Issuance: Dec 28 2025 at 9:00 AM PST width="16%">
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information River - Petrolia (MTOC1) 12/27/2025 at 09:18 AM PST Date & Time of Maximum Observed: 12/26/2025 at 03:00 PM PST 20.27 Feet 13965 cfs & Time of Maximum Forecast: 12/27/2025 at 10:00 AM PST 17.49 Feet 8136 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 19.24 11668 Not Applicable 18.96 11079 - Not Applicable 18.66 10458 - Not Applicable 18.43 9989 - Not Applicable 18.22 9566 - Not Applicable 17.87 8872 - Not Applicable 17.91 8951 + Not Applicable 17.69 8521 - Not Applicable 17.53 8212 - Not Applicable 17.38 7926 - Not Applicable 17.28 7736 - Not Applicable 17.13 7455 - Not Applicable 16.95 7120 - Not Applicable 16.82 6882 - Not Applicable 16.78 6809 - Not Applicable 16.54 6375 - Not Applicable 16.50 6304 - Not Applicable 16.45 6215 - Not Applicable 16.29 5932 - Not Applicable 16.26 5880 - Not Applicable 16.14 5671 - Not Applicable 16.03 5481 - Not Applicable 15.94 5327 - Not Applicable 15.95 5344 + Not Applicable 15.92 5293 - Not Applicable 15.89 5242 - Not Applicable 15.86 5192 - Not Applicable 15.94 5327 + Not Applicable 15.84 5158 - Not Applicable 15.94 5327 + Not Applicable 15.88 5225 - Not Applicable 15.88 5225 0 Not Applicable 16.03 5481 + Not Applicable 16.17 5723 + Not Applicable 16.22 5810 + Not Applicable 16.19 5758 - Not Applicable 16.18 5740 - Not Applicable 16.12 5636 - Not Applicable 16.12 5636 0 Not Applicable 16.28 5915 + Not Applicable 16.43 6179 + Not Applicable 16.88 6992 + Not Applicable 17.22 7623 + Not Applicable 17.54 8232 + Not Applicable 17.93 8990 + Not Applicable 18.55 10233 + Not Applicable 18.81 10768 + Not Applicable 18.69 10520 - Not Applicable 18.84 10830 + Not Applicable 19.02 11205 + Not Applicable 19.10 11372 + Not Applicable 18.97 11100 - Not Applicable 18.76 10664 - Not Applicable 18.58 10294 - Not Applicable 18.26 9646 - Not Applicable 18.10 9327 - Not Applicable 18.09 9307 - Not Applicable 17.83 8794 - Not Applicable 17.55 8251 - Not Applicable 17.54 8232 - Not Applicable 17.45 8059 - Not Applicable 17.29 7755 - Not Applicable 17.31 7793 + Not Applicable 17.17 7529 - Not Applicable 17.08 7361 - Not Applicable 17.01 7231 - Not Applicable 16.99 7194 - Not Applicable 16.94 7102 - Not Applicable 16.89 7010 - Not Applicable 16.88 6992 - Not Applicable 16.70 6663 - Not Applicable 16.75 6754 + Not Applicable 16.79 6827 + Not Applicable 16.82 6882 + Not Applicable 16.79 6827 - Not Applicable 16.75 6754 - Not Applicable 16.64 6555 - Not Applicable 16.58 6447 - Not Applicable 16.59 6465 + Not Applicable 16.60 6483 + Not Applicable 16.61 6501 + Not Applicable 16.61 6501 0 Not Applicable 16.61 6501 0 Not Applicable 16.62 6519 + Not Applicable 16.75 6754 + Not Applicable 16.91 7047 + Not Applicable 16.95 7120 + Not Applicable 17.10 7399 + Not Applicable 17.13 7455 + Not Applicable 16.89 7010 - Not Applicable 17.17 7529 + Not Applicable 17.22 7623 + Not Applicable 17.16 7511 - Not Applicable 17.51 8174 + Not Applicable 17.77 8677 + Not Applicable 18.19 9506 + Not Applicable 18.72 10582 + Not Applicable 19.19 11562 + Not Applicable 19.39 11986 + Not Applicable 19.62 12479 + Not Applicable 19.83 12934 + Not Applicable 20.27 13965 + Not Applicable 20.27 13965 0 Not Applicable 20.21 13818 - Not Applicable 19.92 13131 - Not Applicable 19.97 13240 + Not Applicable 19.86 13000 - Not Applicable 19.75 12760 - Not Applicable 19.54 12307 - Not Applicable 19.42 12050 - Not Applicable 19.19 11562 - Not Applicable 19.02 11205 - Not Applicable 18.81 10768 - Not Applicable 18.71 10561 - Not Applicable 18.52 10172 - Not Applicable 18.36 9848 - Not Applicable 18.21 9546 - Not Applicable 17.97 9069 - Not Applicable 17.84 8813 - Not Applicable 17.72 8579 - Not Applicable 17.60 8347 - Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 17.49 8136 Not Applicable 17.38 7926 - Not Applicable 17.27 7718 - Not Applicable 17.17 7529 - Not Applicable 17.07 7343 - Not Applicable 16.98 7176 - Not Applicable 16.89 7010 - Not Applicable 16.81 6863 - Not Applicable 16.73 6718 - Not Applicable 16.65 6573 - Not Applicable 16.57 6429 - Not Applicable 16.50 6304 - Not Applicable 16.43 6179 - Not Applicable 16.36 6055 - Not Applicable 16.29 5932 - Not Applicable 16.23 5827 - Not Applicable 16.17 5723 - Not Applicable 16.11 5619 - Not Applicable 16.05 5515 - Not Applicable 15.99 5413 - Not Applicable 15.94 5327 - Not Applicable 15.89 5242 - Not Applicable 15.84 5158 - Not Applicable 15.80 5090 - Not Applicable 15.75 5007 - Not Applicable 15.71 4940 - Not Applicable 15.66 4857 - Not Applicable 15.62 4790 - Not Applicable 15.58 4724 - Not Applicable 15.54 4659 - Not Applicable 15.50 4593 - Not Applicable 15.46 4528 - Not Applicable 15.43 4479 - Not Applicable 15.39 4414 - Not Applicable 15.35 4350 - Not Applicable 15.32 4302 - Not Applicable 15.29 4254 - Not Applicable 15.26 4206 - Not Applicable 15.23 4158 - Not Applicable 15.20 4110 - Not Applicable 15.16 4047 - Not Applicable 15.13 4000 - Not Applicable 15.10 3953 - Not Applicable 15.07 3906 - Not Applicable 15.05 3875 - Not Applicable 15.02 3828 - Not Applicable 14.99 3781 - Not Applicable 14.96 3735 - Not Applicable 14.94 3704 - Not Applicable 14.91 3658 - Not Applicable 14.88 3612 - Not Applicable 14.86 3582 - Not Applicable 14.84 3551 - Not Applicable 14.81 3506 - Not Applicable 14.79 3475 - Not Applicable 14.77 3445 - Not Applicable 14.74 3400 - Not Applicable 14.72 3370 - Not Applicable 14.70 3340 - Not Applicable 14.68 3310 - Not Applicable 14.65 3265 - Not Applicable 14.63 3236 - Not Applicable 14.61 3206 - Not Applicable 14.59 3177 - Not Applicable 14.57 3147 - Not Applicable 14.55 3118 - Not Applicable 14.53 3088 - Not Applicable 14.51 3059 - Not Applicable 14.50 3045 - Not Applicable 14.48 3016 - Not Applicable 14.46 2986 - Not Applicable 14.44 2958 - Not Applicable 14.42 2929 - Not Applicable 14.41 2914 - Not Applicable 14.39 2885 - Not Applicable 14.37 2857 - Not Applicable 14.36 2842 - Not Applicable 14.34 2814 - Not Applicable 14.33 2800 - Not Applicable 14.31 2771 - Not Applicable 14.30 2757 - Not Applicable 14.28 2729 - Not Applicable 14.27 2715 - Not Applicable 14.26 2700 - Not Applicable 14.24 2672 - Not Applicable 14.23 2658 - Not Applicable 14.21 2630 - Not Applicable 14.20 2616 - Not Applicable 14.18 2588 - Not Applicable 14.17 2574 - Not Applicable 14.16 2560 - Not Applicable 14.14 2533 - Not Applicable 14.13 2519 - Not Applicable 14.12 2505 - Not Applicable 14.10 2478 - Not Applicable 14.09 2464 - Not Applicable 14.07 2436 - Not Applicable 14.06 2423 - Not Applicable 14.05 2409 - Not Applicable 14.04 2395 - Not Applicable 14.03 2382 - Not Applicable 14.01 2354 - Not Applicable 14.00 2341 - Not Applicable 13.99 2327 - Not Applicable 13.98 2314 - Not Applicable 13.96 2287 - Not Applicable 13.95 2273 - Not Applicable 13.94 2260 - Not Applicable 13.93 2247 - Not Applicable 13.92 2233 - Not Applicable 13.91 2220 - Not Applicable 13.90 2206 - Not Applicable 13.88 2180 - Not Applicable 13.87 2167 - Not Applicable 13.86 2153 - Not Applicable Stages are rounded to the nearest hundredth (.01) of a foot. Flows are rounded to the nearest (1) cfs. Trends are determined using hourly change in unrounded stage and flow. Maximum Values are determined using unrounded stage and flow. End Web Content -->
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