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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 05446500 ROCK RIVER NEAR JOSLIN, IL


Rock Island County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°33'22", Longitude  90°11'07" NAD83
Drainage area 9,549  square miles
Gage datum 564.06 feet above NGVD29
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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 1939-10-01 -> 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 6,370 5,830 9,980 12,200 10,600 8,670 8,290 5,480 4,990 5,160 5,510 5,870
2 6,260 5,790 9,770 12,300 10,500 8,640 8,170 5,330 4,860 5,090 5,570 5,860
3 6,120 5,810 9,810 12,300 10,500 8,620 8,000 5,210 4,750 5,070 5,710 5,950
4 6,020 5,820 9,940 12,200 10,300 8,700 8,050 5,160 4,690 5,080 5,750 6,000
5 6,010 5,880 10,200 12,200 10,100 8,720 7,940 5,050 4,650 5,130 5,730 5,970
6 6,120 5,750 10,400 12,000 9,870 8,720 7,760 5,060 4,570 5,140 5,680 5,900
7 6,120 5,690 10,400 11,900 9,630 8,540 7,580 5,180 4,440 5,150 5,710 5,830
8 6,090 5,750 10,400 11,800 9,530 8,300 7,390 5,230 4,380 5,210 5,680 5,790
9 6,050 5,910 10,300 11,600 9,500 8,320 7,410 5,360 4,450 5,160 5,610 5,700
10 6,010 6,110 10,400 11,500 9,550 8,450 7,370 5,230 4,530 5,180 5,570 5,680
11 5,930 6,260 10,800 11,400 9,600 8,450 7,210 5,110 4,530 5,210 5,650 5,590
12 5,900 6,350 11,100 11,300 9,590 8,450 6,930 4,970 4,490 5,300 5,670 5,470
13 5,870 6,450 11,300 11,200 9,650 8,420 6,720 4,930 4,600 5,300 5,650 5,400
14 5,770 6,540 11,600 11,100 9,810 8,770 6,590 4,900 4,880 5,250 5,680 5,400
15 5,690 6,640 11,800 11,000 9,880 9,010 6,420 4,950 5,090 5,170 5,690 5,470
16 5,670 6,660 12,000 11,000 9,780 9,210 6,330 4,990 5,110 5,110 5,680 5,590
17 5,750 6,520 12,200 11,100 9,720 9,210 6,140 4,860 5,050 5,070 5,600 5,680
18 5,730 6,480 12,100 11,100 9,740 9,070 6,040 4,880 4,980 5,040 5,680 5,630
19 5,640 6,640 12,200 11,100 9,620 8,880 6,230 4,940 4,980 5,100 5,650 5,560
20 5,640 7,140 12,400 11,100 9,530 8,940 6,410 4,870 4,990 5,040 5,710 5,510
21 5,740 7,730 12,700 11,100 9,390 8,810 6,650 4,970 5,000 5,030 5,710 5,540
22 5,810 8,550 12,800 11,100 9,200 8,730 6,620 4,880 5,140 4,990 5,700 5,510
23 6,030 9,020 12,600 11,200 9,080 8,790 6,570 4,850 5,200 5,020 5,680 5,460
24 6,320 9,100 12,500 11,100 9,070 8,800 6,570 4,860 5,260 5,180 5,630 5,410
25 6,500 9,290 12,400 11,100 8,990 8,650 6,470 4,760 5,250 5,270 5,570 5,480
26 6,460 9,570 12,300 11,000 8,900 8,530 6,300 4,830 5,230 5,330 5,490 5,590
27 6,310 9,720 12,200 10,900 8,790 8,350 6,130 5,030 5,240 5,370 5,580 5,700
28 6,290 9,820 12,100 10,800 8,600 8,250 6,010 5,240 5,250 5,380 5,670 5,840
29 6,160 9,210 12,000 10,700 8,650 8,230 5,890 5,290 5,200 5,410 5,720 6,090
30 5,990   12,000 10,600 8,780 8,330 5,760 5,270 5,210 5,400 5,760 6,250
31 5,920   12,100   8,770   5,600 5,140   5,430   6,330