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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 11469000 MATTOLE R NR PETROLIA CA


Humboldt County, California
Hydrologic Unit Code 18010107
Latitude  40°18'48", Longitude 124°16'56" NAD27
Drainage area 245  square miles
Gage datum 49.41 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1911-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 3,000 2,790 2,450 1,940 824 388 123 54 56 81 321 2,460
2 2,540 2,770 2,220 1,730 742 357 120 53 47 85 390 2,800
3 2,360 2,680 2,250 1,530 681 326 113 52 45 83 335 2,550
4 2,820 2,750 2,090 1,570 655 332 108 51 44 80 373 2,410
5 2,550 2,510 2,410 1,580 758 310 105 50 46 89 577 2,370
6 2,530 2,690 2,490 1,490 655 285 102 50 56 94 835 2,610
7 2,570 3,130 2,190 1,430 619 267 100 49 47 98 577 2,720
8 3,050 3,140 2,180 1,460 580 250 98 50 42 87 678 2,540
9 3,420 3,010 2,580 1,360 556 240 98 50 52 126 1,000 2,250
10 3,050 2,870 2,340 1,340 541 227 96 47 51 166 1,260 2,500
11 3,250 2,660 2,180 1,410 510 214 92 46 42 230 1,290 2,220
12 3,900 2,890 2,410 1,570 473 202 88 44 39 260 1,440 2,160
13 3,880 3,100 2,610 1,510 444 194 86 44 38 301 1,280 2,020
14 4,140 3,300 2,680 1,410 416 187 85 43 37 216 1,360 2,940
15 4,370 3,340 2,530 1,180 397 185 82 43 37 199 1,380 3,360
16 4,930 3,460 2,670 1,100 395 177 80 43 40 172 1,420 3,430
17 3,960 3,570 2,470 1,100 420 198 78 42 50 143 1,170 3,200
18 3,790 3,310 2,900 1,050 641 288 76 42 62 140 1,080 2,790
19 3,630 3,350 2,180 1,070 530 262 74 41 83 185 1,070 3,330
20 4,320 2,930 1,920 1,170 469 206 72 41 71 157 1,200 3,030
21 3,780 2,890 1,870 1,060 475 180 70 43 50 147 1,220 4,360
22 3,460 2,630 2,100 933 484 165 68 41 44 203 1,630 4,410
23 3,330 2,540 2,180 892 470 155 67 40 46 323 1,770 3,110
24 3,130 2,660 2,220 982 486 149 65 39 44 312 1,980 2,730
25 3,300 2,870 2,270 896 492 142 64 43 44 366 1,610 2,360
26 3,600 3,010 2,060 812 549 140 62 44 55 278 1,530 2,480
27 3,470 2,830 2,030 916 612 145 61 44 86 255 1,460 2,790
28 3,320 2,780 1,980 870 481 137 59 47 65 284 1,480 3,170
29 3,230 3,540 2,200 948 398 132 58 47 64 290 1,590 2,950
30 2,800   2,840 902 406 131 57 61 67 409 2,010 2,930
31 2,900   2,140   421   56 67   308   3,320