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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 05552500 FOX RIVER AT DAYTON, IL


Lasalle County, Illinois
Hydrologic Unit Code 07120007
Latitude  41°23'02.9", Longitude  88°47'20.3" NAD83
Drainage area 2,642  square miles
Gage datum 462.19 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 1914-10-01 -> 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 1,700 1,660 2,710 3,840 3,470 2,320 1,870 1,060 1,020 1,220 1,350 1,760
2 1,610 1,660 2,830 3,770 3,310 2,410 1,830 1,000 990 1,200 1,430 1,820
3 1,600 1,690 2,910 3,700 3,160 2,440 1,980 1,050 933 1,220 1,430 1,880
4 1,670 1,710 3,130 3,580 3,040 2,230 1,850 1,060 907 1,270 1,430 1,820
5 1,680 1,860 3,310 3,630 2,930 2,170 1,700 1,050 881 1,230 1,460 1,730
6 1,620 1,920 3,220 3,720 2,820 2,110 1,600 1,050 874 1,210 1,470 1,660
7 1,570 1,820 3,030 3,610 2,760 2,050 1,630 1,120 877 1,250 1,460 1,610
8 1,580 1,820 2,990 3,450 2,800 2,050 1,600 1,060 935 1,210 1,440 1,610
9 1,600 1,880 3,070 3,480 2,880 2,200 1,590 1,070 972 1,160 1,450 1,590
10 1,580 1,930 3,180 3,480 2,930 2,250 1,550 1,030 989 1,230 1,500 1,560
11 1,600 1,890 3,370 3,420 2,940 2,270 1,480 1,020 926 1,520 1,580 1,560
12 1,560 1,860 3,410 3,460 3,080 2,290 1,410 1,010 909 1,370 1,580 1,580
13 1,570 2,090 3,460 3,380 3,050 2,450 1,420 944 1,000 1,240 1,550 1,600
14 1,640 2,170 3,530 3,280 3,000 2,650 1,390 958 1,370 1,280 1,570 1,640
15 1,640 2,100 3,610 3,270 2,960 2,480 1,350 999 1,400 1,350 1,590 1,690
16 1,540 1,970 3,720 3,250 2,920 2,430 1,320 953 1,260 1,300 1,570 1,690
17 1,540 2,010 3,570 3,310 2,910 2,230 1,270 990 1,170 1,210 1,560 1,630
18 1,520 2,130 3,550 3,410 2,900 2,180 1,540 1,040 1,150 1,230 1,630 1,580
19 1,510 2,270 3,790 3,380 2,780 2,150 1,700 1,010 1,190 1,230 1,690 1,490
20 1,470 2,580 3,840 3,390 2,610 2,140 1,490 1,100 1,150 1,190 1,700 1,460
21 1,510 2,890 3,670 3,350 2,570 2,140 1,420 1,130 1,140 1,160 1,680 1,460
22 1,540 2,840 3,540 3,210 2,570 2,170 1,510 1,080 1,160 1,140 1,630 1,470
23 1,640 2,700 3,540 3,250 2,510 2,230 1,460 1,080 1,190 1,200 1,630 1,450
24 1,910 2,720 3,530 3,210 2,470 2,210 1,440 1,190 1,290 1,250 1,600 1,460
25 1,960 2,810 3,640 3,260 2,410 2,220 1,370 1,150 1,280 1,310 1,580 1,580
26 1,730 2,670 3,610 3,260 2,520 2,170 1,240 1,160 1,260 1,290 1,570 1,580
27 1,620 2,740 3,620 3,210 2,470 2,060 1,190 1,250 1,330 1,330 1,620 1,650
28 1,630 2,720 3,560 3,250 2,510 2,000 1,170 1,210 1,320 1,300 1,730 1,880
29 1,610 2,360 3,580 3,230 2,470 1,920 1,140 1,070 1,300 1,270 1,760 1,830
30 1,660   3,640 3,420 2,470 1,870 1,150 1,050 1,280 1,300 1,730 1,820
31 1,670   3,660   2,350   1,110 1,020   1,330   1,810