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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 -> 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 3,220 2,910 2,870 2,710 1,040 564 111 47 60 73 252 2,070
2 2,640 2,900 3,150 2,340 968 487 106 47 53 66 238 2,580
3 2,310 2,860 3,090 2,150 992 428 100 46 49 62 256 2,240
4 2,790 2,500 2,660 2,010 961 413 99 47 48 58 280 2,180
5 2,870 2,340 2,710 1,940 997 408 93 46 48 58 374 2,500
6 2,820 2,430 2,870 2,070 964 375 89 45 47 62 457 2,320
7 2,700 2,760 2,670 2,110 957 376 83 45 47 58 502 2,070
8 2,850 2,740 2,750 2,050 914 325 78 44 46 59 650 2,220
9 3,230 2,680 2,930 1,980 910 299 75 45 46 98 733 2,190
10 3,100 2,610 3,030 1,910 888 277 73 45 50 148 722 2,390
11 3,400 2,390 2,790 1,960 823 254 71 45 48 164 815 2,260
12 3,290 2,310 2,700 2,020 776 233 69 44 46 271 1,000 2,180
13 3,570 2,710 3,080 2,020 716 222 68 43 46 264 908 2,390
14 3,710 3,020 3,500 1,990 656 207 66 44 48 215 898 2,720
15 3,800 2,970 3,110 1,820 620 205 64 44 50 169 867 2,720
16 4,470 3,220 3,160 1,740 623 186 63 44 49 142 981 2,650
17 4,450 3,480 2,880 1,820 645 176 63 44 55 140 1,070 2,570
18 3,830 3,460 3,050 1,740 690 191 63 46 60 115 1,020 2,070
19 3,840 3,560 2,730 1,670 680 198 61 47 73 144 916 2,300
20 4,260 3,520 2,450 1,590 586 189 58 47 66 144 1,050 2,420
21 4,310 3,440 2,450 1,550 560 172 56 48 58 136 1,300 3,300
22 3,950 3,220 2,540 1,440 609 159 55 48 53 166 1,480 3,780
23 3,490 2,940 2,660 1,440 540 148 54 46 56 320 1,490 3,430
24 3,510 2,650 2,820 1,540 485 140 53 46 64 275 1,780 3,000
25 3,110 2,790 2,960 1,470 458 135 52 45 74 401 1,630 2,660
26 3,500 2,950 2,840 1,360 446 134 51 47 89 360 1,580 2,470
27 3,620 3,130 2,560 1,320 494 129 50 45 101 250 1,570 2,820
28 3,170 3,290 2,620 1,270 522 123 50 45 76 242 1,660 3,510
29 2,960 4,010 2,620 1,190 458 120 49 46 81 261 1,600 3,390
30 2,770   3,080 1,110 441 115 48 55 94 297 1,710 3,680
31 2,730   2,860   533   47 77   295   3,670