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USGS Daily Statistics for Illinois

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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 03380500 SKILLET FORK AT WAYNE CITY, IL


Wayne County, Illinois
Hydrologic Unit Code 05120115
Latitude  38°21'48", Longitude  88°35'16" NAD83
Drainage area 464  square miles
Gage datum 382.49 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 1908-10-01 -> 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
1 723 878 654 1,210 957 319 225 188 47 29 159 429
2 704 914 579 1,040 997 398 259 175 102 29 229 332
3 663 829 579 958 885 447 322 160 119 56 234 334
4 665 629 756 1,030 738 401 334 170 114 69 207 375
5 769 509 870 991 726 384 237 152 103 94 139 386
6 741 501 848 929 657 391 161 158 86 121 98 384
7 648 539 777 701 668 354 152 125 57 108 85 329
8 549 526 639 541 937 319 202 117 77 103 85 278
9 448 563 669 531 1,000 307 235 116 133 146 87 277
10 412 595 858 620 702 313 273 107 142 115 120 230
11 482 537 859 723 616 340 286 102 94 85 167 260
12 490 498 1,140 832 636 294 268 96 84 97 191 324
13 606 541 1,090 810 584 289 224 103 77 98 181 379
14 748 661 1,070 910 630 292 144 144 59 115 261 468
15 780 661 995 834 705 302 140 187 62 90 414 572
16 678 655 824 790 730 317 204 233 64 74 374 507
17 611 565 743 820 1,040 338 226 338 68 80 319 447
18 625 523 746 675 977 371 210 294 70 68 320 489
19 749 525 930 590 809 483 225 188 57 54 330 437
20 699 560 1,110 728 718 532 219 114 48 49 515 458
21 670 614 1,060 823 556 522 210 125 42 90 381 495
22 771 736 840 802 489 461 162 261 46 135 313 585
23 919 866 689 920 511 378 161 197 60 155 294 658
24 889 949 602 923 429 335 138 135 73 137 273 595
25 818 988 714 870 420 324 107 118 100 95 309 648
26 637 832 814 808 495 344 84 139 131 81 343 629
27 538 845 857 752 467 300 74 118 131 255 390 564
28 555 811 923 764 442 279 99 96 123 229 421 591
29 561 472 938 839 452 285 178 103 100 179 376 636
30 734   1,000 954 403 267 221 80 61 120 383 601
31 909   1,150   316   231 47   117   650