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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 05591200 KASKASKIA RIVER AT COOKS MILLS, IL


Coles County, Illinois
Hydrologic Unit Code 07140201
Latitude  39°35'00.5", Longitude  88°24'49.7" NAD83
Drainage area 473  square miles
Gage datum 616.89 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 1970-10-01 -> 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
1 817 459 695 868 899 566 430 228 98 138 180 487
2 752 471 643 837 918 554 384 260 86 135 224 484
3 661 459 659 803 883 576 350 301 80 131 240 476
4 609 448 732 759 889 627 356 293 79 148 260 469
5 624 461 784 723 851 693 383 238 75 180 245 453
6 667 514 803 706 776 672 406 189 64 191 217 428
7 603 577 764 651 751 716 402 156 52 161 194 418
8 517 575 699 606 744 700 359 137 56 145 174 406
9 440 533 677 587 778 676 330 112 74 136 159 394
10 410 490 684 565 781 630 336 89 95 140 158 372
11 458 475 686 586 792 588 332 83 103 149 178 400
12 504 492 736 722 823 584 342 96 90 156 238 444
13 535 479 762 822 889 569 374 103 77 151 275 475
14 542 470 773 832 871 570 366 107 74 153 274 468
15 538 437 751 778 829 586 329 114 84 150 282 480
16 505 424 726 761 832 587 300 130 109 144 279 502
17 455 457 686 733 769 573 262 141 145 138 307 514
18 421 556 660 726 822 528 215 127 143 139 363 497
19 413 614 672 772 957 553 176 105 117 159 386 457
20 440 653 722 753 905 582 164 88 96 159 421 429
21 470 769 753 711 805 587 188 79 84 149 406 401
22 523 932 718 752 734 584 227 67 72 141 364 409
23 572 1,100 656 813 669 654 226 55 68 139 326 410
24 576 1,130 609 768 618 638 201 47 72 152 306 416
25 575 1,020 603 692 586 614 188 47 84 178 310 485
26 559 873 607 698 620 558 195 48 111 197 335 537
27 523 807 619 697 739 564 215 64 125 215 378 653
28 496 750 681 720 785 586 225 78 138 210 425 748
29 459 330 744 790 722 551 213 83 149 191 456 793
30 437   786 865 663 489 206 103 145 173 475 860
31 437   844   605   215 101   162   864