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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 563.74 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 1939-10-01 -> 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 6,360 5,920 9,880 12,200 10,600 8,690 8,340 5,580 5,000 5,140 5,490 5,860
2 6,260 5,860 9,680 12,200 10,500 8,650 8,220 5,420 4,860 5,080 5,550 5,850
3 6,120 5,880 9,720 12,300 10,500 8,630 8,040 5,300 4,750 5,050 5,690 5,920
4 6,020 5,890 9,840 12,300 10,300 8,710 8,090 5,240 4,700 5,060 5,730 5,980
5 6,010 5,930 10,100 12,300 10,100 8,720 7,990 5,130 4,650 5,100 5,710 5,960
6 6,100 5,800 10,300 12,300 9,870 8,740 7,810 5,130 4,560 5,110 5,670 5,890
7 6,100 5,730 10,400 12,200 9,660 8,570 7,630 5,240 4,430 5,130 5,700 5,810
8 6,060 5,780 10,400 12,000 9,580 8,340 7,450 5,290 4,390 5,170 5,670 5,770
9 6,030 5,930 10,300 11,800 9,580 8,350 7,470 5,410 4,450 5,120 5,590 5,690
10 5,990 6,120 10,400 11,700 9,620 8,480 7,440 5,280 4,530 5,140 5,550 5,670
11 5,910 6,260 10,700 11,600 9,660 8,480 7,270 5,160 4,530 5,170 5,630 5,590
12 5,880 6,340 11,000 11,400 9,640 8,470 7,000 5,020 4,490 5,270 5,660 5,450
13 5,850 6,430 11,300 11,300 9,680 8,440 6,790 4,970 4,600 5,270 5,640 5,380
14 5,750 6,520 11,500 11,200 9,850 8,780 6,660 4,940 4,870 5,220 5,670 5,390
15 5,660 6,620 11,700 11,100 9,920 9,020 6,530 4,990 5,070 5,160 5,670 5,450
16 5,650 6,640 11,900 11,100 9,810 9,210 6,510 5,030 5,100 5,120 5,660 5,580
17 5,730 6,500 12,100 11,100 9,740 9,200 6,360 4,910 5,030 5,090 5,580 5,680
18 5,710 6,460 12,000 11,200 9,740 9,070 6,300 4,930 4,960 5,060 5,670 5,640
19 5,610 6,620 12,100 11,200 9,620 8,870 6,480 4,980 4,960 5,110 5,640 5,570
20 5,610 7,120 12,300 11,100 9,530 8,930 6,640 4,900 4,970 5,050 5,700 5,510
21 5,710 7,690 12,600 11,100 9,380 8,800 6,830 5,000 4,980 5,030 5,700 5,540
22 5,780 8,490 12,700 11,200 9,190 8,730 6,780 4,910 5,110 4,980 5,690 5,500
23 6,000 8,950 12,500 11,200 9,060 8,790 6,710 4,870 5,170 5,010 5,680 5,450
24 6,290 9,020 12,400 11,100 9,050 8,830 6,690 4,880 5,240 5,170 5,630 5,400
25 6,480 9,210 12,300 11,100 8,980 8,720 6,590 4,780 5,230 5,240 5,570 5,470
26 6,450 9,490 12,200 11,000 8,890 8,610 6,420 4,850 5,230 5,290 5,500 5,590
27 6,320 9,620 12,100 10,900 8,790 8,430 6,240 5,020 5,240 5,340 5,590 5,700
28 6,320 9,720 12,000 10,800 8,620 8,320 6,120 5,250 5,250 5,350 5,670 5,830
29 6,220 9,080 12,000 10,700 8,660 8,300 6,000 5,280 5,200 5,380 5,710 6,080
30 6,080   12,000 10,600 8,790 8,390 5,870 5,270 5,200 5,370 5,750 6,240
31 6,020   12,100   8,780   5,710 5,130   5,410   6,330