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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 11523000 KLAMATH R A ORLEANS


Humboldt County, California
Hydrologic Unit Code 18010209
Latitude  41°18'13", Longitude 123°32'00" NAD27
Drainage area 8,475  square miles
Gage datum 355.98 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 1927-10-01 -> 2025-09-30)

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 12,500 13,300 12,600 14,200 11,400 8,900 3,870 2,050 1,950 2,240 3,440 7,580
2 11,700 12,900 13,300 13,700 11,400 8,710 3,770 2,080 2,010 2,270 3,530 8,810
3 10,800 12,700 13,400 13,100 11,300 8,510 3,610 2,110 1,990 2,310 3,590 8,870
4 10,800 12,800 12,400 12,800 11,300 8,490 3,500 2,080 1,960 2,330 3,740 8,440
5 10,400 12,600 12,100 12,900 11,400 8,390 3,300 2,050 2,000 2,360 3,690 8,520
6 10,900 12,700 12,300 13,100 11,400 8,240 3,170 2,020 1,980 2,340 3,940 8,380
7 10,900 13,100 12,300 13,200 11,400 8,050 3,220 2,030 1,980 2,360 3,850 8,680
8 10,800 13,400 12,200 13,300 11,400 7,680 3,150 2,050 1,990 2,360 4,160 8,750
9 11,400 13,500 13,000 12,900 11,400 7,380 3,090 2,030 2,030 2,490 4,420 8,610
10 11,100 12,800 13,600 12,600 11,300 7,150 3,000 2,020 2,060 2,660 4,560 9,200
11 11,300 12,400 13,100 12,500 11,200 6,900 2,910 1,990 2,050 2,700 4,760 9,480
12 11,800 12,600 13,300 12,300 11,100 6,640 2,840 1,980 2,050 2,790 4,930 9,460
13 13,100 13,100 13,700 12,600 11,100 6,460 2,790 1,960 2,030 2,790 4,860 9,620
14 13,900 13,400 13,800 13,000 11,100 6,370 2,720 1,940 2,070 2,710 5,140 10,600
15 14,600 13,100 13,600 12,800 11,000 6,310 2,630 1,960 2,060 2,690 5,230 10,400
16 15,900 13,900 14,000 12,600 11,000 6,140 2,610 1,950 2,070 2,840 5,550 9,740
17 17,000 14,500 14,000 12,500 11,000 5,900 2,560 1,930 2,090 2,770 5,590 9,410
18 16,800 15,300 14,200 12,500 11,200 5,710 2,530 1,910 2,100 2,750 5,720 8,980
19 15,100 14,600 14,500 12,500 11,000 5,560 2,470 1,920 2,130 2,840 6,170 10,200
20 14,800 13,800 13,700 12,400 10,700 5,390 2,440 1,910 2,140 2,760 6,330 11,400
21 15,200 14,000 13,400 12,300 10,600 5,190 2,390 1,920 2,130 2,750 6,150 12,800
22 15,400 14,300 13,500 12,200 10,500 5,030 2,340 1,950 2,130 2,870 6,550 13,300
23 15,100 14,000 14,100 12,200 10,300 4,810 2,310 1,960 2,140 3,020 7,100 12,600
24 14,300 13,100 13,800 12,400 10,200 4,650 2,290 1,950 2,130 3,140 8,030 10,900
25 13,200 12,700 13,600 12,000 10,200 4,510 2,260 1,930 2,120 3,250 7,130 10,100
26 13,500 12,700 14,300 11,800 10,200 4,410 2,230 1,970 2,190 3,240 7,090 9,970
27 13,800 12,900 14,000 11,800 9,940 4,310 2,220 1,940 2,210 3,150 6,860 11,300
28 13,800 13,600 13,600 11,700 9,740 4,200 2,180 1,950 2,220 3,500 6,860 11,800
29 13,600 16,600 13,700 11,600 9,460 4,100 2,130 1,970 2,240 3,830 6,650 11,800
30 12,900   15,100 11,500 9,270 3,940 2,100 1,980 2,290 3,910 6,730 12,400
31 12,900   14,600   9,030   2,060 1,980   3,610   13,000