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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 -> 2020-09-30)

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 7,530 6,080 5,960 5,750 3,220 1,990 1,510 1,630 1,200 1,390 1,400 3,850
2 8,180 6,470 6,490 5,250 2,780 2,070 1,370 1,820 1,240 1,220 1,350 5,000
3 8,800 6,940 6,660 4,750 2,820 2,130 1,240 1,540 1,250 992 1,350 4,150
4 8,700 6,780 5,350 4,260 2,790 1,980 1,130 1,390 1,320 1,010 1,340 2,710
5 7,750 6,380 4,900 4,190 2,780 2,010 1,210 1,430 1,360 958 1,380 2,090
6 7,850 6,610 5,890 4,100 3,290 1,780 1,280 1,400 1,130 817 1,920 1,920
7 7,390 6,980 7,280 3,960 3,380 1,610 1,400 1,170 826 704 2,180 2,130
8 8,180 6,920 8,050 4,020 3,010 1,670 1,410 877 709 672 1,580 2,440
9 8,560 5,320 7,670 4,140 2,630 1,690 1,380 774 651 655 1,220 2,250
10 7,180 4,580 6,400 4,330 2,320 1,730 1,290 737 633 573 1,080 2,010
11 5,920 5,430 5,140 4,560 2,060 1,840 1,040 841 648 557 1,080 2,100
12 5,440 6,850 4,700 5,210 1,890 2,000 889 964 677 601 1,490 2,720
13 5,360 7,240 5,110 6,050 1,840 1,910 871 1,030 706 532 1,560 3,260
14 5,650 8,080 5,450 6,710 1,870 1,900 856 889 666 540 1,530 3,550
15 5,800 8,780 5,510 7,180 1,960 2,170 964 754 536 541 1,690 3,960
16 5,840 9,440 5,320 7,070 2,210 2,580 1,200 660 489 812 2,070 4,470
17 5,500 10,300 5,070 6,620 2,270 2,720 1,450 739 439 834 1,870 5,070
18 5,060 10,600 5,390 5,710 2,490 2,710 1,560 839 763 651 1,550 5,070
19 5,100 9,400 6,660 4,990 2,540 2,900 1,590 865 716 705 1,670 4,510
20 5,170 7,480 7,210 4,720 2,550 2,650 1,760 754 547 836 1,940 3,410
21 5,300 6,970 7,500 4,700 2,400 2,400 1,760 691 565 1,000 1,760 2,860
22 4,940 7,130 7,330 4,350 2,370 2,510 1,530 645 734 965 1,690 2,710
23 5,030 6,810 6,460 4,260 2,370 2,790 1,330 738 1,170 933 1,940 2,840
24 5,500 6,680 5,080 3,830 2,210 2,830 1,110 809 1,690 883 2,160 3,970
25 5,330 6,900 3,980 3,720 1,970 2,510 936 656 2,020 813 2,130 3,810
26 4,160 6,510 4,030 3,680 2,050 1,700 896 536 1,480 729 2,150 3,320
27 3,830 5,310 4,360 3,420 2,910 1,480 1,010 612 878 654 2,070 3,320
28 3,810 5,150 5,150 3,700 2,800 1,540 1,180 603 876 1,060 2,220 4,110
29 3,890 6,950 5,890 3,520 2,020 1,450 1,170 677 1,160 1,030 2,410 5,160
30 4,380   6,360 3,330 1,720 1,540 1,040 1,030 1,300 804 2,670 6,100
31 5,300   6,250   1,760   1,130 1,310   926   6,820