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USGS Surface-Water 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 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
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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 25,200 31,200 31,000 31,500 21,600 16,300 6,720 3,310 3,090 3,380 5,750 17,800
2 23,100 30,000 32,100 30,300 21,500 15,800 6,620 3,280 3,020 3,280 5,750 21,300
3 21,600 29,600 33,000 28,700 21,700 15,100 6,300 3,320 3,080 3,310 5,980 22,400
4 21,900 28,500 30,000 27,400 21,600 14,800 6,060 3,300 3,080 3,330 5,890 19,500
5 22,400 26,500 28,400 26,700 21,800 14,700 5,890 3,260 3,050 3,340 6,430 19,700
6 23,900 26,000 29,200 27,400 21,900 14,300 5,760 3,220 3,070 3,350 7,400 19,900
7 23,800 27,800 28,600 27,800 21,800 14,100 5,620 3,200 3,060 3,370 7,840 20,300
8 24,300 27,900 28,600 28,300 21,600 13,400 5,470 3,180 3,020 3,440 8,510 20,100
9 26,600 27,600 29,900 27,600 21,500 12,800 5,310 3,150 3,020 3,800 8,750 19,200
10 27,600 27,900 32,100 26,600 21,200 12,400 5,180 3,120 3,130 4,170 9,110 20,200
11 28,900 25,700 31,000 26,200 20,800 11,900 5,040 3,080 3,160 4,200 10,000 20,700
12 29,100 25,300 30,000 26,100 20,400 11,500 4,900 3,050 3,070 4,570 11,300 19,400
13 33,500 27,600 32,000 26,100 20,000 11,300 4,790 3,020 3,020 4,920 11,100 22,300
14 35,900 30,100 34,300 26,400 19,800 11,100 4,680 2,990 3,030 4,520 11,000 28,100
15 37,700 31,200 34,100 25,800 19,800 10,900 4,540 2,970 3,000 4,400 10,800 27,000
16 39,900 32,200 34,000 24,900 19,800 10,600 4,410 2,980 2,980 4,310 12,100 25,200
17 44,700 32,900 33,500 24,900 19,600 10,200 4,320 2,990 2,990 4,440 12,700 25,100
18 41,100 37,300 33,000 24,900 19,500 9,910 4,280 2,970 3,050 4,260 12,000 21,900
19 38,500 35,700 32,800 24,700 19,500 9,680 4,230 2,980 3,170 4,430 11,300 22,800
20 38,500 34,200 30,900 24,100 19,100 9,300 4,140 2,960 3,200 4,390 11,900 25,500
21 39,900 33,700 30,600 23,600 18,600 8,890 4,040 2,950 3,150 4,250 14,000 27,200
22 40,000 33,500 30,400 23,200 18,300 8,540 3,940 2,970 3,110 4,360 15,400 32,400
23 37,700 32,900 32,000 22,900 18,000 8,240 3,860 2,980 3,130 5,070 15,900 30,600
24 35,500 30,600 32,000 23,100 17,700 8,100 3,780 2,960 3,120 5,470 18,100 26,300
25 31,900 28,700 31,500 22,900 17,300 7,760 3,720 2,990 3,160 6,210 17,800 24,400
26 32,000 28,700 31,700 22,400 16,900 7,630 3,650 3,030 3,260 5,900 17,200 23,800
27 35,700 30,200 30,300 22,200 16,800 7,480 3,590 3,050 3,290 5,440 16,400 24,600
28 32,700 32,000 29,700 22,300 16,900 7,260 3,530 3,060 3,250 5,320 15,800 27,400
29 30,200 40,600 29,500 22,100 16,500 7,130 3,480 3,030 3,360 5,430 15,600 27,200
30 30,200   33,100 21,900 16,200 6,880 3,430 3,070 3,540 5,860 15,900 26,300
31 29,000   33,300   16,400   3,370 3,250   6,040   28,900