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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 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 -> 2019-09-30)

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 7,060 6,080 6,000 5,550 3,180 2,070 1,470 1,680 1,240 1,450 1,050 3,070
2 8,120 6,470 6,620 5,130 2,810 2,160 1,370 1,880 1,290 1,270 1,140 3,870
3 8,750 6,940 6,840 4,660 2,860 2,220 1,240 1,590 1,290 1,030 1,200 3,310
4 8,460 6,780 5,460 4,200 2,830 2,070 1,120 1,420 1,360 1,060 1,210 2,460
5 7,400 6,380 4,990 4,190 2,820 2,100 1,190 1,470 1,410 999 1,320 2,000
6 7,540 6,610 5,930 4,170 3,360 1,850 1,270 1,440 1,170 849 1,960 1,870
7 7,120 6,980 7,250 4,060 3,480 1,620 1,390 1,190 853 721 2,260 2,120
8 8,030 6,920 7,970 4,130 3,080 1,350 1,410 893 730 618 1,630 2,470
9 8,600 5,320 7,540 4,200 2,670 1,350 1,380 787 670 594 1,250 2,280
10 7,290 4,580 6,000 4,350 2,350 1,420 1,300 748 650 562 1,100 2,040
11 5,890 5,430 4,470 4,620 2,080 1,530 1,050 860 667 560 1,100 2,140
12 5,120 5,970 4,420 5,330 1,900 1,730 889 989 698 611 1,540 2,790
13 4,940 6,170 5,080 6,230 1,860 1,640 871 1,060 728 541 1,620 3,370
14 5,460 7,420 5,510 6,840 1,900 1,650 854 909 686 551 1,580 3,680
15 5,800 8,700 5,600 7,000 2,000 2,010 969 768 549 553 1,750 4,100
16 5,840 9,620 5,420 7,060 2,280 2,560 1,220 669 499 839 2,150 4,570
17 5,500 10,500 5,080 6,700 2,350 2,770 1,490 753 448 863 1,930 4,500
18 5,060 10,600 5,320 5,710 2,590 2,790 1,600 859 789 669 1,590 3,910
19 5,100 9,140 6,570 5,000 2,640 2,990 1,640 889 740 727 1,730 3,550
20 5,170 7,150 7,060 4,570 2,650 2,670 1,820 773 562 866 2,010 3,110
21 5,300 6,100 7,340 4,280 2,500 2,270 1,810 705 581 1,040 1,820 2,770
22 4,940 6,130 7,160 4,070 2,470 2,250 1,550 653 759 1,000 1,720 2,660
23 5,030 6,310 6,230 4,170 2,470 2,400 1,170 750 1,210 969 1,830 2,820
24 5,500 5,450 4,760 3,810 2,300 2,490 987 824 1,770 917 1,990 4,020
25 5,330 5,200 3,600 3,740 2,040 2,040 888 665 2,120 842 2,050 3,780
26 4,160 4,970 3,660 3,720 2,130 1,260 878 536 1,540 751 2,120 3,100
27 3,830 4,740 4,030 3,470 3,040 1,130 1,020 610 911 666 1,920 3,070
28 3,810 5,020 4,890 3,690 2,920 1,240 1,200 594 909 1,060 1,780 3,930
29 3,890 6,950 5,680 3,430 2,100 1,170 1,190 678 1,200 1,030 2,180 5,010
30 4,380   6,190 3,240 1,790 1,380 1,050 1,060 1,370 800 2,500 5,620
31 5,300   6,070   1,830   1,150 1,350   785   5,960