Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for the Nation

! Statistics pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

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 03320000 GREEN RIVER AT LOCK 2 AT CALHOUN, KY


Mclean County, Kentucky
Hydrologic Unit Code 05110005
Latitude  37°32'02", Longitude  87°15'50" NAD27
Drainage area 7,566.0  square miles
Contributing drainage area 6,032.0  square miles
Gage datum 353.62 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1969-10-01 -> 2025-09-30)

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 18,800 19,600 22,700 16,900 15,000 10,900 6,640 4,700 3,350 5,250 8,280 14,200
2 18,900 19,700 22,100 17,500 15,700 10,800 6,330 4,720 4,000 4,860 8,550 14,600
3 19,000 20,200 21,800 18,300 15,900 10,600 6,400 4,500 4,420 4,480 8,510 14,900
4 19,300 20,800 22,200 19,400 16,200 10,300 6,830 4,130 4,540 4,210 8,290 14,700
5 19,100 21,100 22,600 19,500 16,900 9,790 7,220 4,150 4,630 4,010 8,130 14,600
6 18,900 21,400 23,100 19,400 17,400 9,750 7,140 3,970 4,430 4,030 8,400 14,500
7 18,300 21,500 23,500 19,000 17,500 9,870 7,310 3,710 3,940 4,120 8,630 14,600
8 18,000 21,400 23,700 18,200 18,000 9,800 7,300 3,510 3,450 4,080 9,020 14,500
9 18,300 20,800 23,400 17,600 18,400 9,890 7,250 3,360 3,210 4,050 9,520 14,500
10 18,300 19,900 22,800 17,100 18,100 10,000 7,040 3,220 3,150 4,150 9,570 14,700
11 18,200 19,100 22,700 16,500 17,400 9,950 6,490 3,120 3,080 4,460 9,610 15,000
12 18,300 19,200 22,400 16,300 16,800 10,000 5,990 3,080 2,990 4,460 9,770 15,200
13 18,500 19,700 22,200 16,200 16,400 10,000 5,650 3,050 3,030 4,450 9,750 15,500
14 18,800 20,500 21,300 16,800 15,800 9,860 5,260 3,010 3,420 4,560 9,500 15,600
15 18,500 21,700 20,400 16,900 15,000 9,390 5,120 2,930 3,710 4,410 9,310 15,500
16 18,100 22,800 20,200 16,500 14,700 8,900 5,000 2,830 3,780 4,440 9,610 15,400
17 17,600 23,400 20,400 16,200 14,600 8,710 5,170 2,680 3,640 4,930 9,900 15,700
18 17,100 24,400 20,000 15,700 14,400 8,170 4,950 2,590 3,620 5,720 10,100 16,300
19 16,700 24,600 19,700 15,100 14,300 7,600 4,570 2,590 3,670 6,280 10,600 16,400
20 16,900 24,200 19,800 15,300 13,800 7,230 4,280 2,690 3,590 6,710 11,100 15,900
21 17,200 23,500 19,800 15,200 13,600 7,150 4,310 2,720 3,640 6,740 11,400 15,900
22 17,800 23,200 20,000 15,000 13,300 7,440 4,430 2,850 3,910 6,750 11,500 16,200
23 18,500 23,400 19,900 14,700 12,900 7,310 4,700 2,750 4,450 6,800 11,500 16,400
24 19,100 24,000 18,800 14,800 12,500 7,090 4,740 2,690 5,030 7,040 11,600 17,000
25 19,500 24,500 17,600 15,200 12,200 6,810 4,640 2,510 5,420 7,100 11,400 17,800
26 20,300 23,900 16,700 15,100 12,000 6,590 4,500 2,450 5,490 7,100 11,200 18,500
27 20,300 23,100 15,900 14,400 11,900 6,570 4,290 2,540 5,660 7,140 11,800 18,400
28 20,000 22,700 15,800 14,000 12,200 6,900 4,240 2,480 5,760 7,510 12,900 17,800
29 20,000 19,300 16,000 14,100 12,000 7,460 4,370 2,410 5,900 7,830 13,400 17,500
30 19,800   16,300 14,600 11,700 7,300 4,410 2,500 5,810 7,890 13,600 17,700
31 19,500   16,600   11,300   4,620 2,950   7,980   18,300