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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 -> 2024-09-30)

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 2,960 2,780 2,370 1,890 798 380 121 53 54 78 320 2,370
2 2,510 2,760 2,140 1,680 719 349 118 52 46 82 392 2,700
3 2,360 2,650 2,160 1,480 661 319 111 51 44 80 335 2,460
4 2,860 2,710 2,010 1,520 635 325 107 50 43 77 417 2,330
5 2,640 2,480 2,330 1,570 732 311 104 49 44 86 589 2,290
6 2,570 2,650 2,420 1,480 636 287 101 49 54 90 826 2,520
7 2,650 3,050 2,130 1,430 605 266 99 48 46 94 574 2,620
8 3,190 3,050 2,130 1,440 569 248 97 49 41 83 670 2,450
9 3,470 2,930 2,510 1,340 550 237 96 49 50 121 1,010 2,170
10 3,080 2,790 2,370 1,320 533 224 94 47 49 159 1,250 2,450
11 3,250 2,590 2,170 1,370 502 211 90 45 41 220 1,270 2,170
12 3,910 2,830 2,400 1,520 469 200 87 44 38 249 1,400 2,110
13 4,000 3,030 2,760 1,460 443 192 85 43 36 287 1,240 1,990
14 4,220 3,220 2,850 1,370 418 186 84 42 36 206 1,310 2,870
15 4,370 3,260 2,580 1,150 403 183 81 42 36 190 1,330 3,280
16 4,840 3,370 2,620 1,080 397 175 78 42 39 165 1,370 3,370
17 3,890 3,460 2,410 1,080 437 194 76 41 48 138 1,140 3,150
18 3,710 3,210 2,810 1,030 663 279 75 41 60 135 1,060 2,720
19 3,550 3,250 2,130 1,050 552 255 73 40 80 178 1,040 3,230
20 4,200 2,850 1,870 1,150 479 201 71 40 70 152 1,160 2,930
21 3,680 2,810 1,820 1,070 478 177 68 42 49 144 1,180 4,210
22 3,370 2,560 2,030 936 482 162 67 40 43 215 1,570 4,270
23 3,240 2,480 2,100 884 466 153 66 39 44 315 1,710 3,060
24 3,050 2,590 2,140 962 478 147 64 38 42 351 1,910 2,690
25 3,210 2,790 2,190 878 483 140 62 42 44 386 1,550 2,330
26 3,490 2,880 1,980 795 536 138 61 42 58 287 1,480 2,450
27 3,400 2,720 1,950 891 595 142 60 43 85 263 1,400 2,880
28 3,270 2,690 1,920 845 470 135 58 46 64 285 1,420 3,150
29 3,170 3,370 2,130 917 390 130 57 45 62 287 1,530 2,920
30 2,750   2,740 872 399 129 56 59 65 400 1,940 2,970
31 2,860   2,090   413   55 64   301   3,350