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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°55'22", Longitude  94°55'24" NAD27
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 -> 2019-09-30)

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
1 957 1,090 1,090 1,510 2,150 1,060 812 402 245 980 988 882
2 1,080 1,030 1,120 1,360 1,970 1,060 785 440 261 898 889 803
3 916 1,020 1,300 1,260 2,020 1,150 742 404 309 566 798 731
4 866 839 1,390 1,770 2,260 1,060 816 349 328 524 1,020 853
5 1,230 787 1,230 1,610 1,820 1,070 643 364 376 517 1,140 866
6 1,270 756 1,200 1,370 1,730 1,060 564 365 319 478 995 775
7 962 805 1,170 1,320 1,680 1,170 517 386 283 453 833 762
8 856 842 1,100 1,200 1,870 1,400 538 341 263 398 911 683
9 877 815 1,120 1,500 1,650 1,580 575 427 259 538 866 618
10 861 836 1,130 1,450 2,660 1,310 639 438 317 747 737 770
11 814 892 1,300 1,630 3,420 1,250 600 418 354 583 725 900
12 770 786 1,490 1,570 2,120 1,270 540 433 278 457 624 919
13 848 840 1,380 1,540 1,610 1,110 732 465 262 441 579 902
14 1,120 951 1,350 1,470 1,420 1,080 762 426 317 528 618 993
15 1,200 1,070 1,520 2,080 1,330 1,020 633 826 488 540 699 1,120
16 967 1,270 1,510 1,890 1,380 1,050 505 659 443 534 594 1,170
17 811 1,400 1,360 1,520 1,460 1,140 518 397 392 522 658 1,080
18 746 1,510 1,320 1,470 1,500 1,120 466 385 377 466 855 986
19 770 1,390 1,830 1,710 1,480 1,060 410 368 363 422 942 813
20 837 1,220 2,480 1,790 1,680 1,040 412 335 510 404 1,010 839
21 814 1,520 1,930 1,840 1,770 949 398 315 499 404 788 977
22 780 1,490 1,580 1,780 1,500 1,160 405 287 418 437 743 1,220
23 793 1,270 1,350 1,820 1,340 1,050 464 280 412 398 816 914
24 722 1,500 1,370 1,960 1,760 990 543 288 433 389 791 731
25 740 1,750 1,640 2,320 2,010 913 433 288 455 397 1,130 720
26 757 1,280 1,610 2,450 1,980 798 662 260 459 424 1,320 834
27 716 1,160 1,400 1,940 1,400 767 525 264 584 507 908 1,290
28 713 1,080 1,520 1,550 1,270 761 409 262 604 606 918 2,350
29 748 756 1,610 1,590 1,220 860 418 261 461 553 873 1,540
30 938   1,710 2,150 1,180 885 409 262 661 538 818 967
31 1,200   1,560   1,120   411 249   973   910