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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 05430500 ROCK RIVER AT AFTON, WI


Rock County, Wisconsin
Hydrologic Unit Code 07090001
Latitude  42°36'49", Longitude  89°04'18" NAD83
Drainage area 3,340  square miles
Gage datum 742.36 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 1913-10-01 -> 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 1,550 1,510 2,240 4,670 3,710 2,340 2,180 1,380 1,250 1,570 1,700 1,800
2 1,540 1,520 2,320 4,680 3,660 2,340 2,150 1,350 1,230 1,590 1,710 1,820
3 1,550 1,510 2,400 4,710 3,620 2,280 2,120 1,340 1,220 1,580 1,710 1,820
4 1,550 1,490 2,500 4,730 3,540 2,240 2,060 1,360 1,210 1,600 1,740 1,800
5 1,590 1,520 2,590 4,710 3,470 2,190 2,030 1,360 1,200 1,600 1,760 1,800
6 1,600 1,510 2,640 4,700 3,410 2,170 2,030 1,360 1,190 1,590 1,750 1,820
7 1,550 1,510 2,680 4,690 3,370 2,140 1,980 1,350 1,190 1,620 1,770 1,790
8 1,550 1,510 2,750 4,690 3,300 2,130 1,920 1,360 1,220 1,610 1,760 1,780
9 1,540 1,520 2,810 4,640 3,220 2,120 1,850 1,360 1,220 1,610 1,780 1,760
10 1,520 1,520 2,900 4,600 3,170 2,130 1,870 1,370 1,220 1,620 1,790 1,730
11 1,510 1,510 3,000 4,590 3,130 2,090 1,860 1,370 1,220 1,620 1,780 1,700
12 1,520 1,530 3,140 4,550 3,060 2,110 1,830 1,340 1,260 1,580 1,770 1,680
13 1,530 1,570 3,300 4,500 3,030 2,150 1,790 1,330 1,350 1,560 1,760 1,680
14 1,510 1,610 3,420 4,450 2,970 2,140 1,740 1,290 1,370 1,550 1,750 1,680
15 1,500 1,610 3,490 4,390 2,900 2,150 1,690 1,260 1,400 1,560 1,770 1,690
16 1,500 1,600 3,590 4,350 2,860 2,180 1,660 1,260 1,410 1,570 1,760 1,670
17 1,500 1,630 3,640 4,290 2,840 2,210 1,640 1,230 1,420 1,570 1,760 1,670
18 1,480 1,640 3,750 4,230 2,820 2,220 1,610 1,220 1,450 1,550 1,810 1,640
19 1,460 1,700 3,900 4,180 2,770 2,240 1,600 1,240 1,470 1,570 1,810 1,630
20 1,470 1,840 4,010 4,160 2,740 2,220 1,620 1,260 1,490 1,560 1,800 1,610
21 1,460 1,910 4,060 4,120 2,680 2,220 1,610 1,260 1,520 1,570 1,820 1,600
22 1,480 1,930 4,150 4,070 2,650 2,200 1,610 1,230 1,520 1,580 1,820 1,600
23 1,480 2,000 4,200 4,040 2,640 2,200 1,580 1,220 1,530 1,610 1,790 1,590
24 1,530 2,070 4,280 4,000 2,600 2,200 1,580 1,210 1,540 1,640 1,780 1,570
25 1,530 2,160 4,350 3,960 2,540 2,200 1,550 1,220 1,570 1,650 1,780 1,550
26 1,490 2,190 4,390 3,950 2,520 2,230 1,560 1,260 1,600 1,670 1,800 1,550
27 1,480 2,230 4,480 3,880 2,480 2,230 1,530 1,280 1,590 1,680 1,810 1,560
28 1,470 2,270 4,470 3,840 2,430 2,200 1,500 1,240 1,580 1,670 1,810 1,570
29 1,480 2,060 4,510 3,780 2,400 2,210 1,460 1,270 1,580 1,670 1,820 1,570
30 1,490   4,600 3,750 2,340 2,210 1,450 1,260 1,580 1,670 1,810 1,560
31 1,520   4,630   2,350   1,420 1,250   1,670   1,580