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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°55'22", 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 2,130 1,030 805 400 237 980 988 882
2 1,080 1,030 1,120 1,360 1,820 1,040 779 438 254 898 889 803
3 916 1,020 1,300 1,260 1,970 1,140 732 402 303 566 798 731
4 866 839 1,390 1,770 2,230 1,050 810 346 323 524 1,020 853
5 1,230 787 1,230 1,610 1,780 1,060 636 359 373 517 1,140 866
6 1,270 756 1,200 1,370 1,710 1,060 558 361 316 478 995 775
7 962 805 1,170 1,320 1,630 1,120 510 384 280 453 833 762
8 856 842 1,100 1,200 1,840 1,250 520 338 260 398 911 683
9 877 815 1,120 1,500 1,620 1,530 564 425 256 538 866 618
10 861 836 1,130 1,450 2,650 1,290 632 430 315 747 737 770
11 814 892 1,300 1,630 3,420 1,230 594 411 352 583 725 900
12 770 786 1,490 1,570 2,110 1,260 534 429 276 457 624 919
13 848 840 1,380 1,540 1,600 1,100 730 463 260 441 579 902
14 1,120 951 1,350 1,470 1,400 1,080 761 425 316 528 618 993
15 1,200 1,070 1,520 2,080 1,320 1,010 632 830 488 540 699 1,120
16 967 1,270 1,510 1,890 1,380 1,050 503 661 443 534 594 1,170
17 811 1,400 1,360 1,520 1,450 1,130 516 396 391 522 658 1,080
18 746 1,510 1,320 1,470 1,500 1,120 464 383 376 466 855 986
19 770 1,390 1,830 1,710 1,480 1,050 407 367 363 422 942 813
20 837 1,220 2,480 1,790 1,680 1,030 410 334 511 404 1,010 839
21 814 1,520 1,930 1,840 1,750 940 396 314 501 404 788 977
22 780 1,490 1,580 1,780 1,440 1,160 402 285 419 437 743 1,220
23 793 1,270 1,350 1,830 1,310 966 463 277 412 398 816 914
24 722 1,500 1,370 1,980 1,750 743 542 279 432 389 791 731
25 740 1,750 1,640 2,340 2,010 761 431 277 426 397 1,130 720
26 757 1,280 1,610 2,470 1,990 750 663 252 430 424 1,320 834
27 716 1,160 1,400 1,950 1,400 736 525 247 534 507 908 1,290
28 713 1,080 1,520 1,560 1,270 741 408 249 579 606 918 2,350
29 748 756 1,610 1,590 1,220 847 417 250 445 553 873 1,540
30 938   1,710 2,160 1,130 875 407 253 653 538 818 967
31 1,200   1,560   1,060   409 241   973   910