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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 07195500 Illinois River near Watts, OK


Adair County, Oklahoma
Hydrologic Unit Code 11110103
Latitude  36°07'48", Longitude  94°34'19" NAD27
Drainage area 630  square miles
Contributing drainage area 630  square miles
Gage datum 894.01 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 1955-10-01 -> 2025-09-30)

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
1 805 747 737 1,040 1,450 715 586 360 205 733 618 735
2 649 761 743 887 1,220 777 521 328 255 474 579 597
3 562 587 886 1,250 1,720 788 596 268 265 369 594 732
4 780 587 865 1,220 1,570 750 482 307 302 335 868 769
5 958 574 816 974 2,090 768 413 284 249 329 753 580
6 709 586 736 915 1,500 757 377 274 221 561 524 534
7 588 653 712 768 1,620 1,080 368 252 204 516 696 498
8 577 676 790 1,050 1,300 906 415 316 195 342 651 445
9 535 729 836 865 1,200 979 424 322 227 602 557 500
10 575 750 897 968 1,230 802 488 282 231 467 468 569
11 724 613 1,010 1,010 1,210 782 381 276 205 489 448 639
12 580 606 973 1,020 1,010 640 509 250 195 361 425 523
13 723 647 916 977 904 614 657 263 196 435 404 557
14 814 682 1,020 1,070 924 584 487 455 411 424 521 841
15 628 786 1,100 947 963 626 377 440 401 349 453 893
16 553 797 882 831 898 790 400 282 306 309 485 814
17 499 785 885 820 943 629 387 306 312 317 587 792
18 588 657 1,050 811 987 644 359 324 291 278 723 793
19 657 565 1,690 879 859 741 294 275 360 277 791 622
20 622 570 1,480 1,240 1,070 596 259 261 388 306 594 694
21 582 870 1,090 1,220 970 757 263 236 333 352 542 881
22 637 878 954 1,310 905 758 306 230 346 285 587 727
23 555 991 913 1,380 1,050 586 398 230 376 289 531 542
24 498 1,260 1,300 1,760 1,340 686 306 239 399 350 738 535
25 514 1,020 1,310 1,960 1,270 552 639 200 343 417 1,100 650
26 534 760 1,060 1,770 1,120 539 460 202 419 395 678 719
27 503 725 1,030 1,170 942 488 329 202 461 574 684 1,410
28 507 743 1,240 1,280 922 510 336 221 283 417 702 1,540
29 613 338 1,190 1,510 764 623 307 198 376 418 604 733
30 883   1,280 1,990 772 478 306 201 629 499 767 658
31 818   1,110   718   352 194   492   657