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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 -> 2024-09-30)

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
1 805 747 743 1,050 1,450 715 591 362 203 741 620 740
2 649 761 749 891 1,210 779 526 330 254 479 584 601
3 562 587 894 1,260 1,730 792 601 268 266 372 600 738
4 780 587 873 1,230 1,580 754 486 309 304 338 853 776
5 958 574 823 980 2,110 767 409 285 250 331 651 584
6 709 586 743 921 1,470 754 372 275 222 568 492 538
7 588 653 718 773 1,580 1,080 368 253 204 521 687 501
8 577 676 797 1,060 1,280 911 416 318 195 345 647 447
9 535 729 841 872 1,170 985 426 324 227 609 536 503
10 575 750 902 977 1,220 807 488 284 232 472 441 573
11 724 613 1,020 1,020 1,210 787 381 278 205 494 436 644
12 580 606 981 1,020 1,010 643 512 250 195 364 418 523
13 723 647 923 984 903 617 662 263 196 439 399 557
14 814 682 1,030 1,080 924 588 490 458 415 428 519 841
15 628 790 1,110 955 965 630 379 444 405 352 451 893
16 553 801 885 838 900 797 402 283 308 311 484 814
17 499 789 891 826 944 634 389 304 315 320 589 792
18 588 660 1,060 818 989 649 360 321 293 280 726 793
19 657 567 1,710 887 860 748 294 272 363 279 779 622
20 622 572 1,500 1,250 1,070 601 258 257 392 308 586 694
21 582 877 1,100 1,230 975 764 262 234 335 355 538 881
22 637 885 963 1,330 908 765 299 229 349 287 585 727
23 555 1,000 921 1,400 1,050 591 397 229 380 292 530 542
24 498 1,270 1,310 1,780 1,350 693 305 239 402 353 741 535
25 514 1,030 1,320 1,990 1,280 557 643 200 346 421 1,110 650
26 534 766 1,040 1,790 1,110 544 463 202 423 398 682 719
27 503 730 1,030 1,170 939 490 329 202 465 580 688 1,410
28 507 749 1,240 1,270 926 513 337 222 285 421 706 1,540
29 613 338 1,200 1,490 767 628 308 198 379 423 607 733
30 883   1,290 1,990 776 482 307 201 636 504 773 658
31 818   1,120   722   354 193   496   657