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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 07195430 Illinois River South of Siloam Springs, AR


Benton County, Arkansas
Hydrologic Unit Code 11110103
Latitude  36°06'31", Longitude  94°32'00" NAD83
Drainage area 575  square miles
Gage datum 913.14 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 1994-10-01 -> 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
1 682 650 642 1,220 1,410 749 797 308 210 247 605 951
2 625 526 578 816 1,310 795 550 269 239 237 469 611
3 596 497 954 802 1,490 674 983 274 287 274 434 506
4 1,010 631 954 924 1,690 639 642 310 432 243 395 475
5 1,630 620 768 772 3,150 675 527 254 286 300 395 476
6 976 600 655 747 1,570 589 468 264 250 1,070 390 446
7 710 736 590 696 1,090 857 472 259 227 703 1,010 476
8 779 663 746 1,100 957 669 587 397 223 343 829 450
9 642 712 800 813 1,020 617 674 423 334 937 716 452
10 574 594 831 1,360 1,410 629 778 354 320 725 466 448
11 936 681 757 988 1,410 575 548 324 255 791 424 449
12 733 696 665 835 1,070 530 430 285 231 485 393 415
13 1,000 730 843 1,150 1,060 532 863 331 226 545 354 567
14 910 642 1,060 947 959 512 572 570 436 591 350 777
15 709 794 1,000 758 989 569 466 400 409 432 349 675
16 567 741 900 698 1,030 523 640 314 277 366 366 733
17 513 1,030 979 649 998 757 523 405 271 325 485 1,030
18 720 769 1,170 828 857 810 485 419 347 295 552 1,110
19 675 601 2,070 930 709 969 371 363 280 279 398 676
20 540 644 2,030 661 1,070 634 318 340 263 285 351 560
21 531 1,270 1,260 676 1,120 1,110 310 305 258 302 338 595
22 516 816 1,190 1,350 1,060 967 406 299 361 300 431 596
23 495 721 1,020 1,520 1,020 770 354 328 457 306 390 492
24 480 1,600 1,090 2,720 2,010 883 315 321 505 387 613 509
25 593 1,210 1,270 3,000 1,450 654 360 258 395 518 830 470
26 615 790 1,180 2,650 1,450 530 319 258 571 413 540 452
27 512 769 1,090 1,440 1,130 559 310 264 764 428 544 2,270
28 551 769 1,160 1,870 1,200 697 299 252 331 461 667 2,070
29 548 378 1,070 2,300 890 972 294 227 289 568 596 733
30 627   1,040 3,220 967 808 350 243 257 829 1,110 616
31 614   1,130   803   405 222   561   648