Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

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 05443500 ROCK RIVER AT COMO, IL


Whiteside County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°46'20", Longitude  89°44'44" NAD83
Drainage area 8,753  square miles
Gage datum 603.03 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1934-10-01 -> 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 5,330 4,820 8,550 10,900 9,010 7,260 7,270 4,730 4,210 4,410 4,860 5,230
2 5,300 4,680 8,600 10,900 8,930 7,280 7,340 4,630 4,150 4,340 5,070 5,240
3 5,130 4,680 8,730 10,900 8,800 7,390 7,520 4,520 4,140 4,340 5,230 5,390
4 5,060 4,750 8,940 10,800 8,620 7,450 7,420 4,430 4,150 4,360 5,270 5,390
5 5,140 4,800 9,140 10,600 8,440 7,540 7,050 4,430 4,050 4,380 5,170 5,290
6 5,390 5,110 9,280 10,600 8,220 7,280 6,770 4,610 3,910 4,410 5,160 5,170
7 5,380 5,130 9,260 10,500 8,140 6,960 6,580 4,640 3,830 4,490 5,150 5,110
8 5,310 5,220 8,980 10,300 8,010 6,990 6,560 4,700 3,940 4,490 5,070 5,020
9 5,340 5,430 8,970 10,200 7,990 7,190 6,700 4,620 4,110 4,470 5,010 4,950
10 5,290 5,560 9,200 10,200 7,970 7,140 6,430 4,510 4,210 4,550 5,060 4,880
11 5,210 5,700 9,820 10,100 8,070 7,160 6,160 4,410 4,240 4,780 5,140 4,810
12 5,160 5,710 10,300 10,100 8,090 7,140 5,950 4,370 4,270 4,710 5,140 4,730
13 5,220 5,840 10,700 9,950 8,270 7,530 5,850 4,300 4,390 4,560 5,140 4,750
14 5,130 5,980 10,800 9,850 8,350 7,890 5,830 4,270 4,660 4,490 5,170 4,800
15 5,140 6,100 11,000 9,780 8,370 7,930 5,670 4,380 4,740 4,430 5,100 4,760
16 5,030 6,080 11,300 9,720 8,220 7,860 5,460 4,340 4,680 4,420 4,960 4,830
17 4,980 5,970 11,100 9,790 8,140 7,680 5,320 4,350 4,550 4,320 5,090 4,850
18 5,000 5,860 10,800 9,820 7,990 7,530 5,450 4,420 4,540 4,440 5,050 4,880
19 4,850 6,390 10,700 9,730 7,970 7,550 5,780 4,300 4,620 4,460 5,080 4,770
20 4,790 7,350 11,200 9,630 7,900 7,620 6,090 4,410 4,570 4,500 5,110 4,680
21 4,650 8,310 11,400 9,660 7,830 7,660 5,850 4,470 4,680 4,490 5,110 4,670
22 4,690 8,550 11,200 9,610 7,670 7,700 5,810 4,410 4,760 4,460 5,090 4,680
23 4,940 8,320 11,100 9,500 7,650 7,630 5,790 4,370 4,750 4,540 5,030 4,670
24 5,350 8,340 11,100 9,420 7,570 7,510 5,680 4,320 4,800 4,640 4,990 4,670
25 5,670 8,700 11,000 9,320 7,440 7,490 5,650 4,260 4,730 4,750 4,900 4,740
26 5,650 8,740 10,800 9,250 7,440 7,410 5,480 4,310 4,750 4,800 4,910 4,780
27 5,300 8,880 10,600 9,300 7,230 7,410 5,280 4,510 4,830 4,810 5,030 4,910
28 5,030 8,960 10,600 9,220 7,270 7,300 5,170 4,630 4,770 4,830 5,110 5,280
29 4,880 8,540 10,600 9,080 7,540 7,420 5,080 4,590 4,740 4,790 5,140 5,430
30 5,000   10,700 9,020 7,500 7,350 4,960 4,450 4,710 4,750 5,170 5,480
31 5,140   10,800   7,280   4,890 4,320   4,860   5,450