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USGS 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 07196500 Illinois River near Tahlequah, OK


Cherokee County, Oklahoma
Hydrologic Unit Code 11110103
Latitude  35°55'31.97", Longitude  94°55'18.13" NAD83
Drainage area 950  square miles
Contributing drainage area 950  square miles
Gage datum 664.14 feet above NGVD29
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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 1935-10-01 -> 2021-09-30)

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
1 968 1,090 1,090 1,530 2,150 1,080 811 409 247 975 1,050 1,000
2 1,090 1,040 1,120 1,370 1,960 1,070 785 445 264 893 929 859
3 923 1,020 1,290 1,270 2,020 1,160 741 409 312 567 830 768
4 873 847 1,380 1,770 2,250 1,070 815 354 330 526 1,040 881
5 1,230 834 1,230 1,620 1,810 1,090 645 367 377 518 1,150 890
6 1,270 792 1,200 1,380 1,730 1,080 568 368 321 481 1,010 797
7 965 834 1,170 1,330 1,680 1,180 521 391 285 786 885 779
8 860 861 1,100 1,210 1,870 1,400 541 345 265 572 1,080 698
9 880 830 1,120 1,500 1,660 1,580 577 431 261 592 935 633
10 870 849 1,120 1,450 2,650 1,310 642 441 319 782 781 782
11 929 905 1,290 1,630 3,400 1,250 605 421 355 657 757 909
12 964 801 1,490 1,570 2,120 1,270 544 435 280 610 653 927
13 909 872 1,370 1,550 1,610 1,110 733 469 264 498 606 909
14 1,150 985 1,350 1,500 1,420 1,080 762 437 319 567 640 998
15 1,220 1,090 1,610 2,090 1,340 1,020 635 831 487 572 717 1,120
16 984 1,280 1,560 1,890 1,430 1,050 508 661 442 559 613 1,170
17 827 1,410 1,390 1,520 1,510 1,130 520 401 391 544 674 1,090
18 785 1,520 1,340 1,480 1,530 1,120 468 388 376 485 865 992
19 834 1,400 1,920 1,700 1,500 1,060 413 371 363 440 949 820
20 876 1,220 2,830 1,780 1,690 1,040 415 337 508 419 1,020 845
21 840 1,520 2,120 1,840 1,770 948 401 317 497 421 796 981
22 800 1,490 1,630 1,780 1,510 1,160 407 289 418 462 752 1,220
23 810 1,270 1,390 1,810 1,360 1,050 471 282 412 420 832 918
24 738 1,500 1,400 1,960 1,770 988 549 290 433 412 810 736
25 754 1,740 1,680 2,320 2,010 911 437 290 455 513 1,140 725
26 769 1,280 1,640 2,450 2,040 798 662 262 459 548 1,320 838
27 728 1,160 1,420 1,940 1,520 767 527 265 581 597 921 1,280
28 724 1,080 1,540 1,550 1,340 761 412 264 601 672 929 2,330
29 758 773 1,630 1,590 1,270 859 422 263 460 616 885 1,550
30 949   1,720 2,150 1,210 883 413 264 659 642 861 988
31 1,210   1,570   1,140   416 250   1,070   925