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USGS Surface-Water Daily Statistics for Oklahoma

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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 07196090 Illinois River at Chewey, OK


Adair County, Oklahoma
Hydrologic Unit Code 11110103
Latitude  36°06'15", Longitude  94°46'57" NAD27
Drainage area 825  square miles
Contributing drainage area 825  square miles
Gage datum 800.91 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 2009-10-01 -> 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 1,140 696 1,010 1,430 3,490 1,390 524 500 313 290 699 1,190
2 1,230 649 858 1,200 2,710 1,340 525 414 316 291 597 908
3 988 619 1,080 1,110 2,660 1,130 589 384 362 287 536 723
4 1,220 737 1,290 1,120 3,360 1,140 602 487 356 277 497 669
5 1,230 1,000 918 1,090 6,020 1,260 556 399 304 327 588 654
6 896 872 860 1,010 3,950 1,050 511 372 282 866 559 617
7 785 780 796 934 2,100 1,480 548 376 273 2,500 948 568
8 765 919 859 913 1,660 1,400 927 510 273 664 1,290 542
9 714 1,140 1,040 838 1,780 1,190 930 797 292 516 1,280 615
10 762 909 1,190 803 2,260 981 1,300 616 440 509 783 573
11 1,730 816 1,340 921 2,530 1,010 882 490 339 1,290 655 667
12 1,530 858 1,080 956 1,850 806 640 433 303 1,020 608 571
13 1,190 980 1,050 1,370 1,650 730 713 425 281 682 549 818
14 954 841 1,330 1,630 1,450 703 973 691 272 939 504 1,450
15 839 818 1,890 1,250 1,290 754 693 611 295 757 483 1,210
16 763 847 1,370 1,080 1,580 758 760 492 307 634 461 1,030
17 722 943 1,610 1,010 1,340 750 868 496 289 519 474 906
18 857 1,020 1,360 1,460 1,350 765 840 698 299 455 758 1,810
19 1,030 774 1,730 1,720 1,140 1,380 682 527 324 417 527 1,320
20 952 709 3,250 1,060 1,630 1,460 523 529 348 403 456 913
21 770 1,130 1,910 979 2,360 806 459 446 364 473 451 896
22 704 997 1,880 2,300 2,140 707 493 418 352 484 602 1,040
23 745 984 1,550 1,620 1,700 1,220 621 409 374 458 715 836
24 774 2,070 1,640 2,250 4,640 1,910 468 440 401 544 602 761
25 896 2,450 1,880 5,780 3,950 871 418 384 656 1,120 627 804
26 1,220 1,090 1,620 6,670 3,190 738 417 348 512 842 627 853
27 945 963 1,770 3,320 2,290 792 392 357 519 785 692 3,910
28 832 1,070 2,430 2,920 2,130 690 413 383 371 745 1,210 7,050
29 788 625 1,660 5,690 1,800 600 409 336 342 970 983 2,190
30 795   1,700 7,820 2,040 548 399 327 313 991 1,080 1,200
31 769   1,750   1,720   554 342   921   990