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USGS Daily Statistics for the Nation

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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 11530500 KLAMATH R NR KLAMATH CA


Del Norte County, California
Hydrologic Unit Code 18010209
Latitude  41°30'40", Longitude 123°58'42" NAD27
Drainage area 12,100  square miles
Gage datum 5.41 feet above NAVD88
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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 -> 2026-09-30)

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 26,000 31,700 31,400 32,100 21,600 16,200 6,690 3,310 3,080 3,370 5,690 17,500
2 24,000 30,600 32,400 30,900 21,600 15,700 6,590 3,270 3,010 3,270 5,720 20,900
3 23,100 30,600 33,200 29,200 21,700 15,100 6,270 3,320 3,070 3,300 5,930 22,300
4 23,600 29,900 30,200 27,900 21,800 14,800 6,040 3,300 3,070 3,310 5,840 19,400
5 23,500 27,700 28,700 27,100 21,900 14,700 5,870 3,260 3,040 3,320 6,400 19,600
6 24,700 26,900 29,600 27,700 21,900 14,200 5,730 3,220 3,060 3,330 7,490 19,600
7 24,300 28,400 29,000 28,300 21,800 14,000 5,600 3,190 3,050 3,350 7,870 20,200
8 24,600 28,300 28,800 28,700 21,600 13,300 5,440 3,170 3,010 3,420 8,480 20,000
9 26,700 27,800 30,000 28,000 21,500 12,800 5,290 3,140 3,010 3,770 8,660 19,000
10 27,800 28,000 32,100 26,900 21,100 12,300 5,160 3,110 3,130 4,130 8,980 19,900
11 29,000 25,800 31,100 26,500 20,800 11,900 5,020 3,070 3,160 4,170 9,830 20,300
12 29,000 25,400 30,100 26,400 20,400 11,500 4,880 3,040 3,070 4,530 11,100 19,100
13 33,800 27,600 32,100 26,300 20,000 11,200 4,770 3,010 3,020 4,860 10,800 21,900
14 37,200 30,200 34,300 26,600 19,800 11,000 4,660 2,980 3,030 4,490 10,900 27,900
15 37,900 31,500 34,200 25,900 19,800 10,800 4,520 2,960 3,000 4,370 10,700 27,000
16 39,700 32,500 34,200 25,100 19,800 10,500 4,390 2,970 2,980 4,280 11,800 25,000
17 44,300 33,200 34,500 25,100 19,600 10,100 4,310 2,980 2,990 4,400 12,400 24,900
18 40,900 37,500 33,700 25,100 19,400 9,830 4,270 2,970 3,050 4,220 11,800 21,800
19 38,200 36,000 33,200 24,900 19,500 9,610 4,220 2,990 3,160 4,380 11,200 22,700
20 38,200 34,900 31,300 24,200 19,000 9,230 4,130 2,960 3,190 4,340 11,800 25,500
21 39,900 34,400 30,900 23,800 18,600 8,830 4,030 2,950 3,140 4,210 14,300 27,100
22 40,100 33,900 30,800 23,400 18,200 8,490 3,940 2,960 3,100 4,310 16,700 32,100
23 37,800 33,700 32,400 23,100 17,900 8,200 3,860 2,980 3,120 5,000 16,900 30,300
24 35,600 32,100 32,600 23,300 17,600 8,060 3,780 2,980 3,110 5,390 18,400 26,800
25 32,100 29,900 31,900 23,100 17,200 7,720 3,710 3,010 3,150 6,110 17,800 25,100
26 32,000 29,500 32,100 22,600 16,900 7,590 3,650 3,040 3,250 5,850 17,200 24,400
27 35,700 30,700 30,800 22,400 16,700 7,430 3,580 3,070 3,270 5,410 16,400 25,400
28 33,100 32,300 30,600 22,500 16,800 7,220 3,530 3,070 3,230 5,290 15,700 28,600
29 30,500 39,600 30,200 22,200 16,500 7,090 3,480 3,030 3,340 5,390 15,500 29,100
30 30,300   33,400 22,000 16,100 6,850 3,430 3,070 3,530 5,790 15,700 28,200
31 29,100   33,700   16,300   3,360 3,240   5,960   29,900