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: Jan 04 2026 at 1:27 PM PST Next Issuance: Jan 05 2026 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) 01/04/2026 at 01:28 PM PST Date & Time of Maximum Observed: 01/04/2026 at 08:00 AM PST 19.90 Feet 13087 cfs & Time of Maximum Forecast: 01/04/2026 at 02:00 PM PST 19.31 Feet 11816 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 14.20 2616 Not Applicable 14.24 2672 + Not Applicable 14.23 2658 - Not Applicable 14.19 2602 - Not Applicable 14.18 2588 - Not Applicable 14.19 2602 + Not Applicable 14.17 2574 - Not Applicable 14.15 2547 - Not Applicable 14.14 2533 - Not Applicable 14.11 2491 - Not Applicable 14.12 2505 + Not Applicable 14.11 2491 - Not Applicable 14.10 2478 - Not Applicable 14.09 2464 - Not Applicable 14.07 2436 - Not Applicable 14.06 2423 - Not Applicable 14.06 2423 0 Not Applicable 14.03 2382 - Not Applicable 14.05 2409 + Not Applicable 14.02 2368 - Not Applicable 14.00 2341 - Not Applicable 13.99 2327 - Not Applicable 13.98 2314 - Not Applicable 13.97 2300 - Not Applicable 13.97 2300 0 Not Applicable 13.96 2287 - Not Applicable 13.95 2273 - Not Applicable 13.93 2247 - Not Applicable 13.93 2247 0 Not Applicable 13.94 2260 + Not Applicable 13.93 2247 - Not Applicable 13.92 2233 - Not Applicable 13.92 2233 0 Not Applicable 13.91 2220 - Not Applicable 13.89 2193 - Not Applicable 13.91 2220 + Not Applicable 13.91 2220 0 Not Applicable 13.95 2273 + Not Applicable 13.96 2287 + Not Applicable 13.99 2327 + Not Applicable 14.02 2368 + Not Applicable 14.07 2436 + Not Applicable 14.13 2519 + Not Applicable 14.16 2560 + Not Applicable 14.21 2630 + Not Applicable 14.25 2686 + Not Applicable 14.32 2785 + Not Applicable 14.37 2857 + Not Applicable 14.43 2943 + Not Applicable 14.48 3016 + Not Applicable 14.55 3118 + Not Applicable 14.62 3221 + Not Applicable 14.67 3295 + Not Applicable 14.75 3415 + Not Applicable 14.81 3506 + Not Applicable 14.88 3612 + Not Applicable 14.92 3673 + Not Applicable 14.95 3720 + Not Applicable 15.02 3828 + Not Applicable 15.07 3906 + Not Applicable 15.13 4000 + Not Applicable 15.25 4190 + Not Applicable 15.32 4302 + Not Applicable 15.36 4366 + Not Applicable 15.38 4398 + Not Applicable 15.55 4675 + Not Applicable 15.59 4741 + Not Applicable 15.59 4741 0 Not Applicable 15.63 4807 + Not Applicable 15.59 4741 - Not Applicable 15.61 4774 + Not Applicable 15.56 4691 - Not Applicable 15.67 4873 + Not Applicable 15.51 4609 - Not Applicable 15.51 4609 0 Not Applicable 15.59 4741 + Not Applicable 15.49 4577 - Not Applicable 15.51 4609 + Not Applicable 15.60 4757 + Not Applicable 15.64 4823 + Not Applicable 15.75 5007 + Not Applicable 15.97 5378 + Not Applicable 16.47 6250 + Not Applicable 16.91 7047 + Not Applicable 17.24 7661 + Not Applicable 17.40 7964 + Not Applicable 17.39 7945 - Not Applicable 17.33 7831 - Not Applicable 17.43 8021 + Not Applicable 17.57 8289 + Not Applicable 17.57 8289 0 Not Applicable 17.62 8386 + Not Applicable 17.47 8097 - Not Applicable 17.26 7699 - Not Applicable 17.33 7831 + Not Applicable 17.59 8328 + Not Applicable 17.81 8755 + Not Applicable 17.79 8716 - Not Applicable 17.82 8774 + Not Applicable 17.94 9010 + Not Applicable 18.03 9188 + Not Applicable 18.26 9646 + Not Applicable 18.37 9868 + Not Applicable 18.57 10274 + Not Applicable 18.70 10541 + Not Applicable 18.87 10892 + Not Applicable 19.08 11330 + Not Applicable 19.09 11351 + Not Applicable 19.04 11246 - Not Applicable 19.18 11541 + Not Applicable 19.40 12007 + Not Applicable 19.57 12372 + Not Applicable 19.74 12739 + Not Applicable 19.80 12869 + Not Applicable 19.71 12674 - Not Applicable 19.90 13087 + Not Applicable 19.82 12913 - Not Applicable 19.79 12847 - Not Applicable 19.68 12609 - Not Applicable 19.55 12329 - Not Applicable 19.43 12072 - Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 19.31 11816 Not Applicable 19.17 11520 - Not Applicable 19.03 11225 - Not Applicable 18.88 10913 - Not Applicable 18.73 10602 - Not Applicable 18.63 10397 - Not Applicable 18.56 10254 - Not Applicable 18.52 10172 - Not Applicable 18.50 10131 - Not Applicable 18.50 10131 0 Not Applicable 18.50 10131 0 Not Applicable 18.53 10192 + Not Applicable 18.58 10294 + Not Applicable 18.64 10417 + Not Applicable 18.71 10561 + Not Applicable 18.79 10726 + Not Applicable 18.88 10913 + Not Applicable 18.94 11038 + Not Applicable 18.98 11121 + Not Applicable 19.00 11163 + Not Applicable 19.00 11163 0 Not Applicable 19.00 11163 0 Not Applicable 19.00 11163 0 Not Applicable 19.00 11163 0 Not Applicable 19.01 11184 + Not Applicable 19.01 11184 0 Not Applicable 19.01 11184 0 Not Applicable 18.99 11142 - Not Applicable 18.96 11079 - Not Applicable 18.89 10933 - Not Applicable 18.80 10747 - Not Applicable 18.69 10520 - Not Applicable 18.57 10274 - Not Applicable 18.44 10009 - Not Applicable 18.32 9767 - Not Applicable 18.19 9506 - Not Applicable 18.07 9267 - Not Applicable 17.96 9049 - Not Applicable 17.85 8833 - Not Applicable 17.74 8618 - Not Applicable 17.63 8405 - Not Applicable 17.53 8212 - Not Applicable 17.43 8021 - Not Applicable 17.33 7831 - Not Applicable 17.24 7661 - Not Applicable 17.15 7492 - Not Applicable 17.07 7343 - Not Applicable 16.99 7194 - Not Applicable 16.91 7047 - Not Applicable 16.84 6918 - Not Applicable 16.77 6790 - Not Applicable 16.70 6663 - Not Applicable 16.63 6537 - Not Applicable 16.57 6429 - Not Applicable 16.51 6322 - Not Applicable 16.45 6215 - Not Applicable 16.40 6126 - Not Applicable 16.34 6020 - Not Applicable 16.29 5932 - Not Applicable 16.24 5845 - Not Applicable 16.19 5758 - Not Applicable 16.14 5671 - Not Applicable 16.10 5602 - Not Applicable 16.06 5533 - Not Applicable 16.03 5481 - Not Applicable 16.00 5430 - Not Applicable 15.98 5395 - Not Applicable 15.95 5344 - Not Applicable 15.92 5293 - Not Applicable 15.89 5242 - Not Applicable 15.86 5192 - Not Applicable 15.83 5141 - Not Applicable 15.80 5090 - Not Applicable 15.77 5040 - Not Applicable 15.74 4990 - Not Applicable 15.71 4940 - Not Applicable 15.68 4890 - Not Applicable 15.65 4840 - Not Applicable 15.62 4790 - Not Applicable 15.60 4757 - Not Applicable 15.57 4708 - Not Applicable 15.54 4659 - Not Applicable 15.52 4626 - Not Applicable 15.49 4577 - Not Applicable 15.46 4528 - Not Applicable 15.43 4479 - Not Applicable 15.40 4430 - Not Applicable 15.37 4382 - Not Applicable 15.34 4334 - Not Applicable 15.31 4286 - Not Applicable 15.28 4238 - Not Applicable 15.25 4190 - Not Applicable 15.22 4142 - Not Applicable 15.19 4094 - Not Applicable 15.16 4047 - Not Applicable 15.13 4000 - Not Applicable 15.10 3953 - Not Applicable 15.07 3906 - Not Applicable 15.04 3859 - Not Applicable 15.02 3828 - Not Applicable 14.99 3781 - Not Applicable 14.96 3735 - Not Applicable 14.93 3689 - Not Applicable 14.90 3643 - Not Applicable 14.88 3612 - Not Applicable 14.85 3566 - Not Applicable 14.83 3536 - Not Applicable 14.80 3490 - Not Applicable 14.78 3460 - Not Applicable 14.76 3430 - Not Applicable 14.73 3385 - 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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