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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 03270500 Great Miami River at Dayton OH


Montgomery County, Ohio
Hydrologic Unit Code 05080002
Latitude  39°45'55", Longitude  84°11'51" NAD27
Drainage area 2,511  square miles
Contributing drainage area 2,511  square miles
Gage datum 699.15 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 1973-10-01 -> 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 4,610 2,770 4,450 4,310 3,570 2,730 2,670 1,050 988 864 1,190 3,190
2 4,580 2,650 4,880 4,170 3,910 3,130 2,980 1,030 1,310 1,060 1,450 3,250
3 3,860 3,120 4,840 4,690 4,100 3,450 2,910 1,150 1,360 948 1,450 2,920
4 3,910 3,260 5,000 5,600 3,880 3,550 2,740 1,170 1,190 1,060 1,340 2,730
5 4,200 3,530 5,400 5,540 3,860 3,560 2,520 1,190 979 1,280 1,220 2,710
6 4,080 3,520 5,750 4,940 3,560 3,480 2,030 1,430 842 1,330 1,400 2,670
7 3,610 3,590 5,230 4,230 3,390 3,090 1,990 1,290 698 1,240 1,190 2,400
8 3,370 3,850 5,050 4,230 3,500 2,640 2,080 1,300 761 1,030 1,030 2,000
9 3,430 3,590 4,990 4,290 3,460 2,550 2,140 1,530 1,040 873 974 1,950
10 3,250 3,130 5,060 4,410 3,450 2,560 2,040 1,520 1,130 887 1,090 1,900
11 3,390 3,140 5,200 4,640 3,390 2,550 2,030 1,210 929 912 1,240 1,960
12 3,970 3,090 4,970 5,020 3,580 2,810 2,520 1,010 882 804 1,500 2,510
13 4,180 2,960 5,220 4,720 3,490 2,900 2,700 878 805 820 1,610 2,620
14 3,960 2,690 5,560 4,650 3,410 3,340 2,760 797 839 807 1,590 2,600
15 3,450 2,690 5,350 4,660 3,330 3,510 2,620 811 1,030 1,010 1,830 2,920
16 3,170 3,090 5,050 4,430 3,250 3,400 2,160 766 914 934 2,160 3,010
17 3,040 3,890 4,710 4,170 3,280 3,370 2,070 784 807 984 2,190 3,190
18 3,400 4,550 4,430 3,660 3,670 3,130 2,230 802 682 1,120 2,010 3,230
19 3,680 4,410 4,880 3,400 4,080 3,310 2,220 940 640 1,040 2,160 3,010
20 3,510 4,050 5,240 3,860 3,930 3,090 1,880 887 647 1,040 2,090 2,660
21 3,230 4,010 5,290 4,080 3,360 2,710 1,820 915 648 1,060 1,790 2,820
22 3,240 4,640 4,860 3,900 3,390 2,450 1,870 987 669 1,050 1,570 3,270
23 3,600 5,250 4,350 3,700 2,930 2,310 1,970 1,020 746 1,060 1,830 3,490
24 3,920 5,550 4,350 3,760 2,680 2,160 1,650 1,070 805 1,200 1,960 3,690
25 3,700 5,680 4,150 3,700 2,530 2,050 1,380 961 895 1,500 1,910 3,460
26 3,480 4,880 4,090 3,910 3,080 1,970 1,300 824 1,050 1,510 2,510 3,200
27 3,480 4,230 3,850 3,780 3,570 2,000 1,360 797 1,330 1,370 2,890 3,120
28 3,380 4,520 3,610 3,540 3,730 2,130 1,280 851 1,240 1,500 3,080 3,380
29 3,130 3,220 4,100 3,690 3,340 2,690 1,370 1,000 1,000 1,390 3,240 3,360
30 2,870   4,580 3,710 2,890 2,620 1,330 1,050 875 1,360 3,070 3,570
31 3,000   4,600   2,650   1,190 1,060   1,210   4,080