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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
1 666 638 534 665 774 349 112 60 46 22 292 420
2 565 604 540 538 1,540 322 86 147 98 18 165 265
3 777 436 789 902 1,090 316 127 74 177 28 113 216
4 958 483 652 1,010 1,120 298 158 51 316 46 288 311
5 519 544 609 1,100 905 307 139 82 94 132 225 353
6 422 535 597 650 1,210 229 130 65 53 67 271 357
7 352 495 553 565 715 414 91 52 38 43 229 280
8 306 675 572 639 587 273 114 73 33 40 184 253
9 358 747 946 490 681 301 157 73 86 87 160 271
10 343 585 918 1,110 676 304 121 120 79 78 112 275
11 568 809 874 592 1,080 293 99 89 46 57 108 418
12 491 798 773 686 763 312 80 67 35 64 111 394
13 791 680 680 726 726 251 144 200 27 169 226 343
14 602 723 842 725 797 263 93 90 141 144 136 461
15 634 807 681 604 618 211 122 104 84 103 201 573
16 403 844 709 530 492 171 125 76 93 120 310 549
17 354 745 736 472 586 151 86 142 84 125 370 606
18 395 631 1,100 553 449 142 159 149 124 84 391 409
19 335 518 1,230 824 449 182 91 149 74 56 222 327
20 318 813 1,170 667 1,110 141 63 214 50 65 158 301
21 386 713 1,210 692 674 154 89 86 41 118 132 596
22 381 632 837 781 519 134 91 60 95 111 561 605
23 566 592 873 985 551 195 96 53 58 160 267 373
24 1,350 612 899 1,170 658 222 78 48 62 108 381 401
25 720 668 896 1,570 573 152 90 41 45 92 515 391
26 537 783 941 1,060 633 141 74 37 125 101 268 318
27 547 592 819 938 555 105 75 31 64 102 294 807
28 588 500 720 869 516 87 95 30 45 93 395 1,200
29 737 346 670 1,100 392 80 62 28 38 160 362 554
30 1,050   608 980 423 72 52 29 29 285 532 436
31 767   714   380   54 27   214   519