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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 -> 2021-09-30)

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 7,400 6,500 7,400 6,040 3,370 1,950 1,620 1,690 1,270 1,350 1,480 3,750
2 8,300 6,850 8,050 5,570 2,970 2,020 1,450 1,880 1,320 1,190 1,410 4,870
3 8,800 7,220 6,990 5,080 2,990 2,080 1,300 1,590 1,610 974 1,390 4,060
4 8,580 7,070 6,340 4,590 2,970 1,930 1,300 1,410 1,920 993 1,380 2,680
5 7,660 7,170 5,720 4,500 2,990 2,000 1,300 1,430 1,770 938 1,400 2,150
6 7,750 7,550 6,080 4,410 3,650 1,830 1,280 1,390 1,420 804 1,880 2,020
7 7,370 7,610 7,190 4,260 3,670 1,630 1,400 1,150 1,100 696 2,110 2,220
8 8,120 7,150 7,850 4,300 3,300 1,650 1,400 938 960 666 1,540 2,510
9 8,410 5,410 7,630 4,420 2,960 1,660 1,410 819 882 649 1,210 2,320
10 7,010 4,760 6,510 4,580 2,680 1,690 1,400 741 840 571 1,090 2,090
11 5,740 5,880 5,310 4,790 2,400 1,800 1,170 844 740 557 1,090 2,130
12 5,250 7,470 4,910 5,350 2,190 1,940 949 978 709 599 1,480 2,700
13 5,170 7,800 5,690 6,120 2,050 1,860 876 1,030 768 535 1,550 3,180
14 5,440 8,690 6,270 7,010 1,980 1,860 860 925 899 544 1,520 3,440
15 5,700 8,980 6,130 7,250 2,010 2,100 1,040 813 851 545 1,670 3,950
16 5,780 9,180 5,800 7,140 2,220 2,490 1,230 683 754 800 2,040 4,450
17 5,490 9,800 5,280 6,700 2,250 2,620 1,430 746 716 820 1,850 5,010
18 5,080 10,100 5,480 5,810 2,440 2,610 1,550 834 1,010 651 1,540 5,050
19 5,110 9,070 6,910 5,110 2,510 2,790 1,560 857 956 703 1,660 4,530
20 5,190 7,360 7,840 4,840 2,520 2,560 1,710 748 786 828 1,910 3,490
21 5,340 6,950 8,300 4,810 2,500 2,330 1,700 684 797 988 1,740 2,990
22 5,040 7,120 7,870 4,460 2,500 2,420 1,490 642 952 956 1,670 2,810
23 5,100 7,040 6,610 4,310 2,430 2,700 1,290 733 1,360 923 1,910 2,860
24 5,540 6,990 5,170 3,840 2,200 2,730 1,090 800 1,850 874 2,120 3,890
25 5,760 7,120 4,270 3,680 1,940 2,420 925 654 2,090 808 2,090 3,800
26 5,420 6,840 4,490 3,690 2,010 1,650 886 537 1,490 728 2,100 3,400
27 5,290 5,680 4,830 3,640 2,820 1,440 1,000 607 880 655 2,030 3,370
28 4,860 5,990 5,560 3,930 2,740 1,610 1,200 597 871 1,040 2,180 4,130
29 4,380 7,800 6,240 3,720 2,010 1,830 1,170 671 1,130 1,040 2,350 5,110
30 4,700   6,650 3,490 1,720 1,830 1,020 1,010 1,270 925 2,620 5,950
31 5,640   6,520   1,750   1,130 1,320   1,050   6,600