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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 11481000 MAD R NR ARCATA CA


Humboldt County, California
Hydrologic Unit Code 18010102
Latitude  40°54'36", Longitude 124°03'34" NAD27
Drainage area 485  square miles
Gage datum 12.79 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 1962-10-01 -> 2023-09-30)

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 3,150 2,950 2,870 2,710 1,030 568 111 47 60 73 258 2,100
2 2,610 2,940 3,170 2,330 967 491 106 46 53 66 241 2,610
3 2,290 2,890 3,120 2,140 995 431 100 46 49 62 259 2,270
4 2,790 2,530 2,680 2,000 963 416 99 47 47 58 283 2,210
5 2,820 2,340 2,720 1,940 1,000 411 93 46 47 59 379 2,510
6 2,750 2,430 2,880 2,070 965 377 89 45 47 62 462 2,340
7 2,650 2,780 2,680 2,100 958 378 82 45 47 58 506 2,100
8 2,680 2,760 2,750 2,030 914 326 78 44 46 59 655 2,250
9 3,130 2,710 2,940 1,960 908 300 75 45 46 99 740 2,220
10 3,030 2,630 2,980 1,890 888 278 73 45 50 149 731 2,400
11 3,340 2,410 2,750 1,920 823 254 71 44 48 165 826 2,240
12 3,200 2,330 2,660 1,990 777 234 69 44 46 274 1,020 2,200
13 3,480 2,740 2,920 2,000 715 222 68 43 46 267 921 2,420
14 3,590 3,050 3,110 1,980 655 208 65 43 48 217 911 2,750
15 3,680 3,010 2,850 1,810 619 205 64 44 50 171 879 2,760
16 4,410 3,260 3,050 1,740 622 186 63 44 49 143 996 2,690
17 4,440 3,520 2,810 1,820 646 177 63 44 56 140 1,080 2,610
18 3,830 3,510 3,010 1,730 692 191 63 46 61 115 1,040 2,100
19 3,830 3,610 2,700 1,660 681 199 61 47 74 145 930 2,340
20 4,280 3,560 2,380 1,590 587 189 58 47 66 145 1,070 2,460
21 4,330 3,490 2,400 1,550 561 173 56 48 58 137 1,320 3,350
22 3,980 3,250 2,500 1,430 610 160 54 48 53 168 1,500 3,840
23 3,520 2,970 2,640 1,440 541 148 54 46 56 324 1,510 3,480
24 3,540 2,680 2,800 1,530 486 140 53 46 64 278 1,810 3,030
25 3,130 2,810 2,950 1,470 458 135 51 45 75 407 1,660 2,690
26 3,530 2,980 2,840 1,360 447 134 51 47 89 364 1,610 2,500
27 3,660 3,140 2,560 1,310 496 129 50 45 101 253 1,600 2,720
28 3,200 3,290 2,610 1,260 524 123 50 45 76 245 1,680 3,450
29 2,990 4,010 2,600 1,180 460 120 48 46 81 264 1,620 3,370
30 2,800   3,070 1,110 443 115 48 55 95 301 1,740 3,440
31 2,760   2,860   536   47 77   302   3,420