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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 -> 2022-09-30)

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
1 694 653 623 1,220 1,440 763 818 311 205 248 626 987
2 635 526 561 809 1,340 811 562 271 234 238 481 623
3 590 497 667 798 1,530 680 1,010 276 268 278 446 514
4 1,030 634 792 926 1,740 644 658 314 439 244 401 484
5 1,670 618 694 768 3,250 684 539 255 286 271 369 486
6 994 596 606 743 1,610 595 478 261 248 1,120 385 447
7 720 738 553 694 1,120 875 482 257 224 734 1,050 480
8 793 606 660 1,120 977 681 601 401 221 350 865 427
9 652 542 737 818 1,040 626 692 428 339 989 746 408
10 581 523 775 1,380 1,440 624 798 351 325 762 478 398
11 958 642 720 1,000 1,440 571 560 324 257 833 434 379
12 747 672 632 844 1,070 529 438 285 230 505 401 380
13 1,020 714 825 1,170 1,060 536 880 284 224 569 360 534
14 931 626 1,060 961 950 490 544 505 451 620 357 672
15 723 777 1,000 766 976 540 411 370 423 449 355 638
16 576 680 897 705 1,030 516 631 299 281 378 374 716
17 520 999 966 655 1,000 765 522 392 276 333 502 1,030
18 698 746 1,180 841 863 821 482 407 358 302 574 1,130
19 642 579 2,110 946 712 987 368 358 286 285 410 675
20 531 630 2,080 668 1,070 643 316 338 256 292 358 557
21 527 1,280 1,270 683 1,140 1,140 307 292 244 310 328 595
22 514 812 1,200 1,380 1,070 991 402 284 366 308 436 598
23 494 699 1,030 1,560 1,040 788 353 324 467 315 395 492
24 480 1,620 900 2,810 2,060 905 315 320 469 401 619 511
25 595 1,220 1,100 3,100 1,480 669 362 255 376 514 835 471
26 613 779 1,120 2,730 1,490 541 320 256 584 391 542 453
27 506 743 1,060 1,480 1,160 571 311 263 796 425 507 2,340
28 544 746 1,150 1,910 1,230 713 300 252 334 467 661 2,130
29 540 378 1,060 2,370 909 999 296 226 291 577 598 746
30 624   1,040 3,310 990 829 354 217 258 860 1,160 624
31 613   1,120   819   411 214   575   658