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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 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
1 977 1,100 1,090 1,530 2,150 1,080 811 409 247 975 1,050 1,000
2 1,130 1,040 1,110 1,370 1,960 1,070 785 445 264 893 929 859
3 951 1,020 1,290 1,270 2,020 1,160 741 409 312 567 830 768
4 890 851 1,380 1,760 2,250 1,070 815 354 330 526 1,040 881
5 1,230 837 1,220 1,610 1,810 1,090 645 367 377 518 1,150 890
6 1,280 795 1,190 1,380 1,730 1,080 568 368 321 481 1,010 797
7 970 836 1,160 1,320 1,680 1,180 521 391 285 786 885 781
8 869 862 1,090 1,210 1,870 1,400 541 345 265 572 1,080 700
9 891 831 1,110 1,490 1,660 1,580 577 431 261 592 935 635
10 877 849 1,120 1,440 2,650 1,310 642 441 319 782 781 782
11 934 905 1,290 1,620 3,400 1,250 605 421 355 657 757 907
12 968 802 1,480 1,570 2,120 1,270 544 435 280 610 653 925
13 912 872 1,370 1,550 1,610 1,110 733 469 264 498 606 907
14 1,150 983 1,350 1,500 1,420 1,080 762 437 319 567 640 996
15 1,220 1,080 1,610 2,090 1,340 1,020 635 831 487 572 717 1,120
16 984 1,270 1,570 1,890 1,430 1,050 508 661 442 559 613 1,170
17 828 1,400 1,390 1,520 1,510 1,130 520 401 391 544 674 1,080
18 786 1,510 1,340 1,480 1,530 1,120 468 388 376 485 865 991
19 834 1,390 1,920 1,700 1,500 1,060 413 371 363 440 949 821
20 875 1,220 2,820 1,780 1,690 1,040 415 337 508 419 1,020 846
21 840 1,510 2,110 1,840 1,770 948 401 317 497 421 796 979
22 800 1,480 1,620 1,780 1,510 1,160 407 289 418 462 752 1,220
23 809 1,270 1,390 1,810 1,360 1,050 471 282 412 420 832 917
24 738 1,490 1,400 1,960 1,770 988 549 290 433 412 810 736
25 770 1,730 1,670 2,320 2,010 911 437 290 455 513 1,140 725
26 837 1,280 1,650 2,450 2,040 798 662 262 459 548 1,320 836
27 766 1,150 1,440 1,940 1,520 767 527 265 581 597 921 1,280
28 745 1,080 1,550 1,550 1,340 761 412 264 601 672 929 2,310
29 773 773 1,630 1,590 1,270 859 422 263 460 616 885 1,540
30 959   1,720 2,150 1,210 883 413 264 659 642 861 985
31 1,210   1,570   1,140   416 250   1,070   924