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USGS Surface-Water Daily Statistics for California

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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 11516530 KLAMATH R BL IRON GATE DAM CA


Siskiyou County, California
Hydrologic Unit Code 18010206
Latitude  41°55'41", Longitude 122°26'35" NAD27
Drainage area 4,630  square miles
Gage datum 2,162.44 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 1960-10-01 -> 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 2,530 2,530 2,780 3,200 2,370 1,540 944 954 1,160 1,290 1,590 1,960
2 2,480 2,530 2,830 3,160 2,330 1,520 911 952 1,150 1,320 1,600 2,000
3 2,490 2,500 2,900 3,140 2,290 1,500 914 950 1,140 1,330 1,600 1,990
4 2,440 2,490 2,870 3,070 2,260 1,550 912 952 1,140 1,340 1,590 2,030
5 2,410 2,450 2,870 3,060 2,270 1,560 913 943 1,150 1,360 1,580 2,070
6 2,350 2,470 2,860 3,080 2,250 1,550 902 942 1,150 1,380 1,600 2,060
7 2,300 2,540 2,870 3,090 2,230 1,510 884 952 1,160 1,380 1,660 2,070
8 2,300 2,510 2,930 3,020 2,270 1,440 870 952 1,170 1,370 1,680 2,070
9 2,310 2,490 2,990 3,000 2,300 1,390 862 950 1,180 1,420 1,700 2,100
10 2,270 2,500 3,030 2,970 2,280 1,340 857 953 1,180 1,440 1,730 2,080
11 2,260 2,490 3,100 2,930 2,270 1,300 856 959 1,190 1,450 1,680 2,070
12 2,250 2,430 3,110 2,920 2,270 1,290 850 951 1,200 1,480 1,690 2,100
13 2,300 2,340 3,150 2,970 2,310 1,270 836 950 1,200 1,490 1,680 2,120
14 2,360 2,400 3,220 3,000 2,290 1,270 824 958 1,190 1,450 1,720 2,170
15 2,410 2,430 3,300 2,950 2,310 1,260 821 963 1,190 1,440 1,760 2,180
16 2,630 2,490 3,380 2,920 2,250 1,240 816 967 1,170 1,460 1,770 2,200
17 2,610 2,560 3,350 2,840 2,230 1,200 823 965 1,190 1,460 1,790 2,210
18 2,540 2,640 3,370 2,800 2,190 1,150 830 964 1,210 1,460 1,800 2,100
19 2,520 2,700 3,290 2,770 2,090 1,130 833 966 1,220 1,480 1,780 2,150
20 2,530 2,780 3,260 2,740 2,010 1,090 827 979 1,230 1,490 1,780 2,200
21 2,520 2,850 3,190 2,670 1,980 1,070 824 990 1,230 1,490 1,810 2,260
22 2,610 2,830 3,140 2,620 1,920 1,060 812 991 1,230 1,460 1,830 2,480
23 2,630 2,900 3,130 2,650 1,880 1,060 815 993 1,220 1,480 1,850 2,450
24 2,600 2,840 3,170 2,630 1,810 1,040 823 1,000 1,220 1,520 1,860 2,360
25 2,530 2,760 3,180 2,600 1,800 1,010 823 1,010 1,250 1,520 1,900 2,290
26 2,510 2,730 3,200 2,510 1,770 1,010 829 1,000 1,250 1,530 1,890 2,270
27 2,570 2,700 3,120 2,450 1,800 1,000 829 1,000 1,250 1,530 1,900 2,300
28 2,540 2,740 3,170 2,410 1,750 991 829 1,020 1,260 1,520 1,890 2,290
29 2,530 2,940 3,170 2,420 1,730 1,000 817 1,020 1,270 1,510 1,900 2,290
30 2,520   3,180 2,410 1,690 1,010 818 1,010 1,270 1,560 1,930 2,380
31 2,520   3,180   1,630   845 1,030   1,560   2,490