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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 893.78 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 1955-10-01 -> 2020-09-30)

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
1 774 752 733 1,010 1,430 688 600 357 198 771 622 758
2 595 770 743 869 1,200 748 528 327 251 492 589 611
3 529 587 794 1,270 1,670 778 611 263 256 376 608 753
4 772 583 800 1,240 1,470 736 487 307 303 342 876 792
5 970 557 796 974 1,320 750 405 281 247 323 648 592
6 711 575 726 912 1,260 748 369 270 218 581 490 545
7 579 650 705 762 1,540 1,100 366 247 201 536 702 506
8 563 657 770 1,070 1,240 891 418 315 191 351 662 443
9 521 656 818 876 1,140 953 427 323 225 632 546 485
10 567 721 888 991 1,210 775 491 279 230 486 446 565
11 730 591 1,020 1,040 1,210 760 380 274 203 511 441 624
12 579 592 985 1,020 989 629 520 243 192 373 420 512
13 731 642 926 875 882 611 679 244 193 452 401 549
14 831 683 1,030 996 904 573 480 431 426 427 529 815
15 636 790 1,100 926 936 612 347 434 416 341 454 896
16 557 785 875 813 805 803 392 275 314 303 491 822
17 500 732 883 803 904 635 375 297 320 319 604 788
18 585 613 1,060 806 964 653 299 310 298 280 750 593
19 643 543 1,750 888 845 759 262 266 372 280 808 567
20 624 557 1,530 1,280 1,070 605 240 252 400 310 602 674
21 586 880 1,120 1,260 973 780 249 226 331 360 544 886
22 647 878 937 1,370 887 775 278 217 350 289 596 730
23 545 989 903 1,430 1,040 596 390 223 385 294 536 537
24 486 1,280 1,250 1,800 1,370 706 299 235 391 357 758 533
25 467 1,040 1,240 1,880 1,280 564 657 194 336 421 1,130 632
26 479 761 983 1,790 1,000 550 465 197 429 388 685 713
27 471 713 1,000 1,170 878 493 328 197 477 577 682 1,450
28 479 732 1,240 962 808 517 335 219 286 385 708 1,600
29 598 338 1,200 1,150 710 640 304 194 386 330 611 744
30 890   1,270 1,970 747 486 299 187 661 456 790 665
31 823   1,080   702   333 186   478   658