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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 07257500 Illinois Bayou near Scottsville, AR


Pope County, Arkansas
Hydrologic Unit Code 11110202
Latitude  35°27'59", Longitude  93°02'28" NAD83
Drainage area 241  square miles
Gage datum 447.63 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 1947-10-01 -> 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
1 668 609 539 677 770 344 112 60 46 22 298 428
2 567 587 547 538 1,550 319 86 147 98 18 168 270
3 785 423 801 881 1,090 316 127 74 177 28 115 220
4 971 475 655 865 1,130 294 158 51 316 46 287 316
5 520 540 594 665 913 296 139 82 94 132 202 360
6 414 533 589 568 1,230 224 130 65 53 67 266 364
7 347 494 548 527 721 273 91 52 38 43 229 285
8 302 679 570 618 591 221 114 73 33 40 186 257
9 356 754 954 473 689 275 157 73 86 87 162 277
10 341 591 927 1,110 685 288 121 120 79 78 112 280
11 573 798 884 586 1,100 284 99 89 46 57 108 426
12 494 780 781 685 775 306 80 67 35 64 111 402
13 801 662 687 729 738 237 144 200 27 169 229 350
14 609 713 854 730 811 247 93 90 141 144 137 470
15 641 788 689 607 629 196 122 104 84 103 204 577
16 404 818 718 534 500 146 125 76 93 120 315 553
17 354 731 747 476 596 133 86 142 84 125 377 604
18 395 621 1,120 559 453 128 159 149 124 86 398 403
19 335 509 1,250 836 425 172 91 149 74 57 221 322
20 318 815 1,190 676 1,030 133 63 214 50 67 156 298
21 389 715 1,230 700 645 149 89 86 41 121 131 602
22 384 633 852 792 503 130 91 60 95 113 570 613
23 573 594 889 1,000 543 194 96 53 58 163 270 376
24 1,370 615 916 1,190 651 222 78 48 62 110 388 394
25 732 673 912 1,590 549 152 90 41 45 94 524 368
26 544 791 959 1,080 596 141 74 37 125 104 272 303
27 555 598 835 955 525 105 75 31 64 104 299 743
28 598 505 734 885 493 87 95 30 45 95 402 1,180
29 750 346 682 1,120 374 80 62 28 38 164 368 535
30 788   619 997 411 72 52 29 29 291 542 423
31 689   727   373   54 27   218   513