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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 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 628.51 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 -> 2023-09-30)

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 7,730 7,040 9,800 12,200 12,600 10,700 12,500 8,300 5,780 6,500 7,350 7,670
2 7,690 6,840 9,840 11,900 12,800 10,300 11,900 7,920 5,940 6,720 7,260 7,920
3 7,580 6,820 9,700 11,500 12,600 9,800 11,300 7,560 6,510 7,420 7,040 8,190
4 7,500 6,780 9,430 11,400 12,400 9,290 10,700 7,360 6,880 7,720 7,100 8,160
5 7,170 6,740 9,300 11,200 12,000 9,090 10,200 7,270 6,790 7,920 7,150 7,940
6 6,860 6,600 9,320 11,300 11,600 8,940 9,880 6,960 6,690 8,190 7,250 7,640
7 6,770 6,510 9,340 11,400 11,300 8,680 9,720 6,760 6,500 8,610 7,270 7,380
8 6,870 6,360 9,260 11,200 10,900 8,450 9,490 7,040 6,440 8,660 7,270 7,020
9 6,990 6,420 9,410 11,000 10,700 8,480 9,110 7,130 6,390 8,410 7,360 6,760
10 6,960 6,660 10,600 11,000 10,800 8,970 8,640 6,980 6,450 7,970 7,770 6,600
11 7,000 6,760 12,700 11,200 10,900 9,000 8,430 6,750 6,560 8,000 7,700 6,530
12 7,150 6,760 13,400 11,300 11,000 8,910 8,180 6,740 7,130 7,970 7,580 6,470
13 7,060 6,700 14,000 11,200 11,400 8,820 8,090 6,510 8,020 7,900 7,380 6,360
14 6,800 6,540 14,200 11,000 11,800 8,750 8,080 6,530 8,340 7,900 7,120 6,760
15 6,530 6,460 14,000 11,200 12,200 9,050 7,920 6,450 8,210 7,920 6,970 7,330
16 6,580 6,430 14,000 11,700 12,200 9,760 7,740 6,300 7,770 8,050 6,840 7,780
17 7,040 6,660 13,700 12,000 12,100 9,610 7,740 6,050 7,170 7,930 6,790 7,750
18 7,160 6,910 13,300 12,700 11,900 9,330 7,660 6,050 6,900 7,750 6,820 7,500
19 6,760 7,160 13,000 12,900 11,700 10,100 7,440 5,970 6,750 7,520 6,940 7,190
20 6,690 8,260 12,900 13,000 11,300 10,500 7,690 5,960 6,780 7,380 6,970 7,150
21 6,470 9,780 13,100 12,800 10,900 10,600 7,960 6,020 6,750 7,240 6,910 7,090
22 6,440 10,100 12,800 12,200 10,700 11,100 8,910 6,040 6,830 7,030 7,080 7,020
23 6,670 9,670 12,500 12,000 10,800 11,200 9,320 5,820 7,170 7,000 7,000 6,710
24 7,060 10,200 12,300 11,800 10,800 11,100 10,200 5,770 7,020 7,070 6,800 6,950
25 7,190 10,400 12,400 11,500 10,900 10,800 10,900 5,720 6,720 7,200 6,750 6,900
26 6,910 9,780 12,300 11,200 10,600 10,800 10,100 5,650 6,530 7,310 6,820 6,880
27 6,720 9,550 12,100 11,000 10,600 11,600 9,470 5,720 6,660 7,580 7,230 6,930
28 6,610 9,540 12,200 10,900 10,500 11,900 9,430 5,580 6,550 7,820 7,500 7,160
29 6,520 7,420 12,400 11,000 10,700 11,900 9,380 5,710 6,460 7,690 7,710 7,370
30 6,730   12,200 11,800 11,200 12,200 9,160 5,850 6,470 7,540 7,810 7,530
31 7,070   12,200   11,000   8,740 5,720   7,570   7,570