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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 05542500 ILLINOIS RIVER AT MORRIS, IL


Grundy County, Illinois
Hydrologic Unit Code 07120005
Latitude  41°21'16.5", Longitude  88°25'42.6" NAD83
Drainage area 7,483.00  square miles
Gage datum 478.17 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 2015-10-01 -> 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 10,200 7,150 22,000 22,700 25,200 12,700 16,700 5,550 6,630 6,890 13,000 9,680
2 10,500 6,830 20,600 20,400 28,800 11,800 15,800 4,900 5,480 6,360 11,500 10,800
3 10,400 7,360 18,700 18,100 25,600 10,700 15,200 4,950 5,230 6,600 10,500 10,700
4 10,800 7,960 17,300 16,700 22,900 9,740 13,800 5,280 5,410 6,300 9,950 10,200
5 10,200 8,130 16,300 15,800 20,800 9,610 12,700 5,090 5,050 5,670 9,430 9,380
6 9,100 9,650 15,900 16,900 19,100 9,070 12,000 4,780 5,380 6,600 9,360 8,810
7 8,500 10,900 15,100 17,700 17,900 8,680 11,000 5,640 5,370 7,300 8,440 8,340
8 8,070 11,500 14,200 16,100 16,900 8,540 9,450 5,880 5,710 7,310 7,570 7,840
9 7,740 10,800 13,400 15,100 17,900 9,130 8,060 5,560 6,070 6,570 7,270 7,450
10 7,300 10,900 14,400 13,800 20,300 9,650 7,730 5,680 6,280 6,200 7,000 6,910
11 9,240 10,200 14,300 12,700 19,300 9,790 7,670 5,580 7,090 6,890 6,250 7,540
12 11,700 10,300 13,000 12,300 17,600 9,510 8,400 5,710 6,530 7,050 6,490 7,910
13 11,600 11,100 12,000 11,500 16,500 9,230 8,970 6,690 6,440 7,430 6,180 8,320
14 10,900 9,930 12,700 11,000 15,200 9,050 9,060 5,490 6,040 7,830 5,860 7,950
15 10,500 10,100 12,600 12,600 17,200 10,100 8,590 5,690 5,970 9,680 5,730 8,360
16 10,100 9,860 12,100 14,200 17,600 10,500 8,240 6,160 5,990 9,390 5,830 8,210
17 10,800 11,400 11,600 14,300 16,900 10,600 8,990 6,930 5,670 8,480 5,630 8,050
18 11,100 12,800 12,800 13,200 22,300 10,100 8,770 6,590 5,670 7,040 6,410 7,410
19 10,700 12,300 12,500 12,800 23,900 10,000 8,920 7,090 5,230 6,070 7,720 7,040
20 11,500 15,100 14,000 11,800 18,600 10,500 9,600 7,390 4,490 5,610 7,650 6,610
21 12,000 20,200 14,100 11,300 16,300 11,900 8,850 7,890 4,740 5,710 7,610 6,230
22 11,700 22,100 13,100 10,200 17,100 13,400 10,500 7,390 4,870 5,590 7,830 6,080
23 11,400 21,700 12,800 9,840 17,200 13,300 11,800 6,910 4,750 6,080 7,470 5,830
24 11,300 22,200 13,200 9,440 17,200 12,000 11,000 6,220 4,860 7,270 7,330 5,410
25 11,100 21,300 13,900 9,280 15,500 11,900 10,000 6,840 4,570 10,900 6,950 5,290
26 10,400 20,300 14,700 10,100 14,000 12,600 9,150 6,780 4,260 12,700 7,400 5,520
27 9,610 19,800 14,700 9,900 13,200 15,900 8,060 7,220 4,090 15,200 8,620 7,090
28 8,610 20,500 14,600 9,850 14,600 16,900 8,290 8,320 7,930 15,300 9,190 7,790
29 7,960 13,000 14,300 12,600 14,700 16,800 7,200 8,100 8,610 13,400 9,450 8,340
30 7,510   16,500 20,300 14,600 16,800 6,810 7,440 7,570 13,100 9,880 9,370
31 6,710   21,600   14,100   6,190 6,970   14,200   9,110