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USGS Surface-Water 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 3,030 2,800 2,450 1,940 824 388 123 54 56 81 325 2,490
2 2,570 2,780 2,220 1,730 742 357 120 53 47 86 395 2,840
3 2,390 2,700 2,250 1,530 681 326 113 52 45 83 340 2,590
4 2,850 2,770 2,090 1,570 655 332 108 51 44 81 378 2,450
5 2,580 2,530 2,410 1,580 758 310 105 50 46 90 585 2,400
6 2,560 2,720 2,490 1,490 655 285 102 50 56 95 846 2,650
7 2,600 3,160 2,190 1,430 619 267 100 49 47 99 585 2,740
8 3,080 3,170 2,180 1,460 580 250 98 50 42 88 687 2,550
9 3,460 3,040 2,580 1,360 556 240 98 50 52 127 1,020 2,280
10 3,080 2,900 2,340 1,340 541 227 96 47 51 168 1,280 2,530
11 3,280 2,690 2,180 1,410 510 214 92 46 42 232 1,310 2,250
12 3,940 2,930 2,410 1,570 473 202 88 44 39 264 1,460 2,180
13 3,910 3,140 2,610 1,510 444 194 86 44 38 304 1,300 2,040
14 4,160 3,340 2,680 1,410 416 187 85 43 37 219 1,380 2,960
15 4,400 3,380 2,530 1,180 397 185 82 43 37 201 1,400 3,390
16 4,930 3,500 2,670 1,100 395 177 80 43 40 174 1,440 3,470
17 3,970 3,610 2,470 1,100 420 198 78 42 50 145 1,190 3,240
18 3,810 3,350 2,900 1,050 641 288 76 42 62 141 1,100 2,820
19 3,650 3,390 2,180 1,070 530 262 74 41 83 187 1,080 3,370
20 4,360 2,960 1,920 1,170 469 206 72 41 71 158 1,210 3,050
21 3,800 2,920 1,870 1,060 475 180 70 43 50 149 1,240 4,400
22 3,480 2,660 2,100 933 484 165 68 41 44 205 1,660 4,420
23 3,350 2,570 2,180 892 470 155 67 40 46 327 1,800 3,120
24 3,150 2,700 2,220 982 486 149 65 39 44 316 2,010 2,750
25 3,320 2,910 2,270 896 492 142 64 43 44 371 1,640 2,380
26 3,570 3,010 2,060 812 549 140 62 44 55 282 1,560 2,500
27 3,460 2,830 2,030 916 612 145 61 44 86 258 1,480 2,820
28 3,300 2,780 1,980 870 481 137 59 47 65 287 1,500 3,210
29 3,230 3,540 2,200 948 398 132 58 47 64 294 1,610 2,980
30 2,800   2,840 902 406 131 57 61 67 415 2,040 2,970
31 2,910   2,140   421   56 67   311   3,360