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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 -> 2022-09-30)

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 2,950 2,810 2,360 1,890 803 385 122 54 55 79 324 2,400
2 2,500 2,790 2,140 1,670 723 354 119 53 47 83 397 2,730
3 2,360 2,680 2,170 1,480 665 323 112 51 44 81 338 2,490
4 2,860 2,730 2,020 1,530 639 329 107 51 43 78 422 2,350
5 2,580 2,480 2,330 1,570 737 307 104 50 45 87 596 2,310
6 2,540 2,660 2,420 1,480 640 283 101 49 55 92 836 2,540
7 2,580 3,070 2,120 1,410 609 265 99 49 46 96 579 2,650
8 3,040 3,080 2,120 1,420 571 248 97 49 41 85 673 2,470
9 3,390 2,950 2,500 1,330 551 238 97 49 51 123 1,020 2,190
10 3,020 2,810 2,280 1,310 530 225 95 47 50 162 1,260 2,440
11 3,200 2,610 2,130 1,370 501 212 91 45 41 224 1,280 2,160
12 3,840 2,850 2,350 1,520 469 201 87 44 38 254 1,410 2,120
13 3,890 3,050 2,530 1,460 443 193 85 43 37 293 1,260 2,000
14 4,090 3,250 2,600 1,370 418 187 84 42 36 211 1,330 2,910
15 4,300 3,290 2,470 1,150 403 184 81 42 37 194 1,350 3,320
16 4,830 3,410 2,590 1,080 398 176 79 42 40 168 1,390 3,410
17 3,890 3,500 2,400 1,080 440 196 77 41 49 140 1,150 3,180
18 3,710 3,250 2,810 1,030 672 283 76 41 61 137 1,070 2,750
19 3,550 3,290 2,120 1,060 559 258 73 40 81 181 1,050 3,270
20 4,220 2,880 1,860 1,160 484 204 71 41 70 155 1,170 2,970
21 3,690 2,840 1,820 1,070 483 179 69 42 49 147 1,200 4,270
22 3,380 2,590 2,030 939 488 163 67 40 44 220 1,590 4,320
23 3,260 2,500 2,110 888 472 154 66 39 45 322 1,730 3,100
24 3,070 2,610 2,150 967 485 148 64 39 43 355 1,930 2,720
25 3,230 2,810 2,200 882 490 141 63 42 44 391 1,580 2,360
26 3,520 2,900 1,990 799 544 139 62 43 54 290 1,500 2,480
27 3,430 2,740 1,960 896 605 143 60 44 84 267 1,420 2,780
28 3,300 2,690 1,910 850 477 136 59 46 64 288 1,440 3,140
29 3,200 3,370 2,120 923 395 131 57 46 63 291 1,550 2,920
30 2,770   2,740 878 404 130 56 60 66 405 1,960 2,900
31 2,890   2,090   419   55 65   305   3,270