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USGS Daily Statistics for Kentucky

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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 03309000 GREEN RIVER AT MAMMOTH CAVE, KY


Edmonson County, Kentucky
Hydrologic Unit Code 05110001
Latitude  37°10'48", Longitude  86°06'45" NAD27
Drainage area 2,020.0  square miles
Contributing drainage area 1,539.0  square miles
Gage datum 409.35 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 1937-10-01 -> 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 7,150 6,240 7,270 6,410 3,200 1,780 1,550 1,670 1,240 1,220 1,440 3,470
2 8,600 6,570 7,880 5,970 2,920 1,850 1,440 1,830 1,300 1,080 1,360 4,510
3 9,360 7,070 8,540 5,200 2,840 1,910 1,470 1,600 1,510 892 1,320 3,900
4 9,100 7,490 7,730 4,720 3,120 1,770 1,430 1,440 1,750 926 1,300 2,710
5 7,840 7,780 6,410 4,600 3,670 1,820 1,320 1,440 1,610 949 1,310 2,220
6 7,580 7,640 6,150 4,490 4,130 1,670 1,350 1,370 1,310 796 1,720 2,190
7 7,120 7,320 6,930 4,360 3,690 1,530 1,430 1,190 1,020 692 1,910 2,510
8 7,800 6,810 7,600 4,560 3,200 1,760 1,420 1,030 898 824 1,420 2,670
9 8,230 5,280 7,400 4,600 2,850 1,630 1,420 899 825 752 1,130 2,410
10 7,400 4,750 6,350 4,690 2,610 1,620 1,380 867 783 677 1,050 2,180
11 6,290 5,770 5,350 4,870 2,420 1,720 1,180 987 693 668 1,080 2,500
12 5,470 7,210 5,130 5,420 2,260 1,850 975 1,050 664 693 1,430 3,200
13 5,370 7,490 5,820 6,090 2,080 1,800 889 1,110 716 630 1,510 3,330
14 5,700 8,280 6,310 6,870 1,980 1,750 887 1,030 830 637 1,480 3,520
15 5,870 8,480 6,210 7,120 1,990 1,930 1,040 890 790 636 1,630 3,960
16 6,000 8,760 5,900 6,830 2,180 2,250 1,180 747 706 812 2,000 4,460
17 5,750 9,870 5,370 6,350 2,190 2,350 1,340 759 675 791 1,810 4,920
18 5,360 10,500 5,430 5,530 2,360 2,340 1,460 823 929 645 1,510 4,890
19 5,380 9,320 6,520 4,850 2,390 2,500 1,500 836 878 683 1,580 4,420
20 5,570 7,220 7,230 4,580 2,360 2,310 1,630 741 761 787 1,770 3,470
21 5,800 6,670 7,660 4,450 2,310 2,110 1,620 697 795 923 1,640 3,060
22 5,430 6,790 7,280 4,100 2,320 2,250 1,670 714 1,010 893 1,690 2,940
23 5,450 7,170 6,180 4,040 2,240 2,460 1,390 829 1,320 863 2,000 2,970
24 5,830 7,670 4,930 3,650 2,030 2,450 1,190 826 1,740 828 2,070 3,880
25 5,950 7,780 4,330 3,510 1,860 2,200 972 668 1,910 777 2,000 3,680
26 5,600 7,380 4,630 3,450 1,950 1,940 876 551 1,370 710 2,010 3,240
27 5,450 5,990 4,700 3,420 2,600 1,870 962 603 830 649 1,960 3,190
28 5,010 6,090 5,330 3,680 2,480 1,720 1,140 599 817 982 2,050 3,880
29 4,410 7,800 6,280 3,480 1,840 1,780 1,190 688 1,040 983 2,210 4,780
30 4,630   6,470 3,290 1,590 1,740 1,080 958 1,150 890 2,470 5,570
31 5,480   6,280   1,620   1,150 1,250   1,020   6,180