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USGS Surface-Water 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 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
1 800 744 734 1,040 1,450 715 586 360 205 733 618 735
2 646 756 739 887 1,220 777 521 328 255 474 579 597
3 559 584 879 1,250 1,720 788 596 268 265 369 594 732
4 774 584 860 1,220 1,570 750 482 307 302 335 868 769
5 950 571 831 974 2,090 768 413 284 249 329 753 580
6 704 583 736 915 1,500 757 377 274 221 561 524 534
7 584 649 712 768 1,620 1,080 368 252 204 516 696 498
8 573 671 790 1,050 1,300 906 415 316 195 342 651 445
9 532 723 836 865 1,200 979 424 322 227 602 557 500
10 571 744 897 968 1,230 802 488 282 231 467 468 569
11 718 608 1,010 1,010 1,210 782 381 276 205 489 448 639
12 576 605 973 1,020 1,010 640 509 250 195 361 425 519
13 718 652 916 977 904 614 657 263 196 435 404 553
14 808 682 1,020 1,070 924 584 487 455 411 424 521 832
15 624 783 1,100 947 963 626 377 440 401 349 453 889
16 550 793 882 831 898 790 400 282 306 309 485 809
17 496 781 885 820 943 629 387 306 312 317 587 792
18 585 655 1,050 811 987 644 359 324 291 278 723 792
19 652 564 1,690 879 859 741 294 275 360 277 791 624
20 618 567 1,480 1,240 1,070 596 259 261 388 306 594 693
21 578 863 1,090 1,220 970 757 263 236 333 352 542 876
22 633 871 954 1,310 905 758 306 230 346 285 587 723
23 552 983 913 1,380 1,050 586 398 230 376 289 531 540
24 495 1,250 1,300 1,760 1,340 686 306 239 399 350 738 535
25 511 1,020 1,310 1,960 1,270 552 639 200 343 417 1,100 660
26 530 758 1,060 1,770 1,120 539 460 202 419 395 678 722
27 500 723 1,030 1,170 942 488 329 202 461 574 684 1,400
28 503 740 1,240 1,280 922 510 336 221 283 417 702 1,530
29 608 338 1,190 1,510 764 623 307 198 376 418 604 732
30 875   1,280 1,990 772 478 306 201 629 499 767 657
31 818   1,110   718   352 194   492   655