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USGS Daily Statistics for Illinois

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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 05592000 KASKASKIA RIVER AT SHELBYVILLE, IL


Shelby County, Illinois
Hydrologic Unit Code 07140201
Latitude  39°24'25.3", Longitude  88°46'51.6" NAD83
Drainage area 1,054  square miles
Gage datum 529.78 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 1969-10-01 -> 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 1,510 1,540 1,700 1,340 907 759 969 777 391 250 332 632
2 1,520 1,590 1,670 1,320 903 735 976 769 383 261 326 647
3 1,530 1,660 1,660 1,320 884 771 946 759 371 268 320 669
4 1,520 1,700 1,670 1,330 862 797 949 752 380 273 343 697
5 1,500 1,720 1,690 1,330 856 815 921 726 385 266 364 719
6 1,530 1,700 1,700 1,300 842 857 923 706 381 250 376 757
7 1,570 1,690 1,690 1,280 841 876 940 709 374 237 395 789
8 1,620 1,670 1,670 1,290 842 887 955 712 366 227 403 822
9 1,650 1,640 1,670 1,280 849 884 990 708 352 228 402 874
10 1,680 1,610 1,710 1,270 858 893 982 709 345 238 387 927
11 1,690 1,580 1,730 1,270 893 911 975 716 335 253 374 982
12 1,670 1,560 1,710 1,250 934 914 994 701 303 283 358 1,010
13 1,620 1,550 1,700 1,210 886 918 994 680 270 304 367 1,000
14 1,590 1,520 1,700 1,200 852 916 985 668 250 309 364 979
15 1,590 1,470 1,700 1,210 843 907 991 652 230 320 341 1,040
16 1,580 1,440 1,680 1,220 814 926 997 644 243 338 347 1,130
17 1,570 1,450 1,680 1,220 803 977 996 648 244 360 364 1,180
18 1,550 1,480 1,680 1,210 771 968 985 646 254 371 387 1,240
19 1,540 1,500 1,660 1,210 774 926 966 634 265 371 402 1,290
20 1,530 1,520 1,610 1,220 798 928 937 631 266 372 402 1,260
21 1,520 1,590 1,550 1,230 811 914 903 611 263 367 410 1,250
22 1,530 1,700 1,520 1,200 812 927 868 599 259 347 420 1,290
23 1,560 1,770 1,470 1,150 800 951 884 584 254 332 437 1,310
24 1,580 1,800 1,450 1,150 773 938 893 579 244 322 448 1,320
25 1,590 1,800 1,430 1,130 758 943 881 572 234 320 468 1,330
26 1,600 1,770 1,400 1,090 733 965 853 550 237 327 511 1,340
27 1,570 1,760 1,380 1,040 727 972 817 527 250 324 545 1,390
28 1,540 1,750 1,400 1,010 744 980 813 498 262 329 570 1,420
29 1,520 1,390 1,430 962 760 982 804 458 267 332 604 1,460
30 1,520   1,430 910 767 988 792 423 259 327 624 1,500
31 1,530   1,380   757   776 408   335   1,510