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USGS Daily Statistics for Illinois

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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 05442300 ROCK RIVER AT DIXON, IL


Lee County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°50'39", Longitude  89°29'09" NAD83
Drainage area 8,615  square miles
Gage datum 628.30 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 2009-10-01 -> 2022-09-30)

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 8,030 7,580 9,600 12,700 12,900 11,000 13,000 8,630 5,680 6,520 7,900 8,250
2 7,980 7,310 9,680 12,300 13,100 10,600 12,400 8,240 5,920 6,760 7,810 8,540
3 7,890 7,210 9,590 11,800 12,900 10,100 11,700 7,860 6,570 7,530 7,650 8,860
4 7,780 7,170 9,280 11,600 12,600 9,540 11,100 7,620 6,990 7,870 7,710 8,860
5 7,360 7,070 9,190 11,300 12,100 9,330 10,500 7,550 6,910 8,100 7,660 8,640
6 7,040 6,830 9,220 11,400 11,700 9,170 10,100 7,200 6,800 8,830 7,640 8,260
7 6,930 6,730 9,110 11,400 11,300 8,850 9,740 6,920 6,620 9,360 7,590 7,970
8 7,080 6,570 9,020 11,200 11,000 8,570 9,410 6,690 6,570 9,410 7,530 7,580
9 7,220 6,560 9,210 11,000 10,900 8,590 8,940 6,470 6,540 9,090 7,610 7,310
10 7,170 6,650 10,700 11,100 11,000 9,140 8,480 6,550 6,630 8,610 8,110 7,070
11 7,260 6,600 13,100 11,300 11,100 9,190 8,350 6,500 6,660 8,630 8,050 6,890
12 7,440 6,650 14,000 11,400 11,300 9,120 8,170 6,520 6,800 8,580 7,920 6,860
13 7,350 6,650 14,800 11,300 11,700 9,020 8,170 6,260 7,440 8,470 7,700 6,700
14 7,080 6,530 14,900 11,200 12,200 8,950 8,210 6,230 7,900 8,450 7,420 7,140
15 6,790 6,440 14,800 11,300 12,600 9,280 8,050 6,110 7,910 8,550 7,270 7,630
16 6,830 6,460 14,800 11,900 12,700 10,100 7,860 5,950 7,510 8,670 7,120 7,890
17 7,360 6,690 14,500 12,300 12,500 9,880 7,880 5,740 6,900 8,530 7,040 7,830
18 7,490 7,020 14,000 13,000 12,300 9,560 7,830 5,830 6,650 8,340 7,060 7,620
19 6,970 7,300 13,600 13,300 12,100 10,300 7,650 5,820 6,550 8,090 7,210 7,390
20 6,840 8,580 13,500 13,400 11,700 10,800 7,900 5,760 6,620 7,910 7,270 7,390
21 6,570 10,300 13,700 13,200 11,300 10,900 8,240 5,860 6,600 7,740 7,200 7,320
22 6,520 10,800 13,400 12,600 11,100 11,400 9,280 5,970 6,720 7,520 7,410 7,360
23 6,810 10,000 12,900 12,100 11,200 11,600 9,740 5,790 7,130 7,560 7,380 7,290
24 7,300 10,400 12,800 11,800 11,200 11,500 10,600 5,770 6,980 7,690 7,170 7,340
25 7,480 10,700 12,700 11,400 11,300 11,100 11,400 5,730 6,660 7,800 7,120 7,170
26 7,180 10,100 12,500 11,200 11,000 11,100 10,600 5,700 6,480 7,850 7,230 7,090
27 6,980 9,800 12,300 11,000 10,900 12,000 9,850 5,820 6,620 8,070 7,710 7,090
28 6,850 9,390 12,400 11,000 10,800 12,300 9,810 5,670 6,530 8,370 8,030 7,320
29 6,820 7,420 12,700 11,200 11,000 12,300 9,780 5,740 6,470 8,230 8,280 7,580
30 7,060   12,700 12,100 11,400 12,700 9,560 5,730 6,470 8,100 8,340 7,760
31 7,560   12,700   11,300   9,110 5,570   8,150   7,840