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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
1 746 884 650 1,220 970 317 225 188 47 29 158 425
2 720 915 575 1,040 1,010 394 259 175 102 29 227 329
3 664 827 575 984 896 447 322 160 119 56 232 332
4 662 627 750 1,060 761 401 334 170 114 69 205 372
5 764 507 864 1,170 746 384 237 152 103 94 144 383
6 736 499 843 1,160 672 391 161 158 86 121 113 381
7 644 536 772 828 673 354 152 125 57 108 101 326
8 545 523 635 615 939 319 202 117 77 103 97 276
9 445 559 665 563 1,020 307 235 116 133 146 89 274
10 409 591 852 623 706 313 273 107 142 115 120 228
11 479 533 852 724 615 340 286 102 94 85 166 258
12 487 494 1,130 831 632 294 268 96 84 97 190 321
13 602 537 1,090 806 581 289 224 103 77 98 180 376
14 742 656 1,060 904 627 292 144 144 59 115 262 464
15 774 667 986 828 701 302 140 187 62 90 412 567
16 673 698 818 785 725 317 204 233 64 74 373 517
17 606 593 738 814 1,030 338 226 338 68 80 318 462
18 646 545 740 669 968 371 210 294 70 68 318 495
19 769 535 923 588 802 483 225 188 57 54 327 440
20 712 557 1,100 742 726 532 219 114 48 49 511 458
21 677 609 1,050 844 566 522 210 125 42 89 378 493
22 767 731 833 818 493 461 162 261 46 134 310 581
23 913 859 694 932 509 378 161 197 60 154 292 653
24 882 943 618 922 426 335 138 135 73 136 271 590
25 812 983 722 869 416 324 107 118 100 94 307 643
26 632 828 813 819 491 344 84 139 131 80 340 626
27 534 840 852 761 463 300 74 118 131 253 387 563
28 550 806 917 765 439 279 99 96 123 227 418 593
29 557 472 932 838 448 285 178 103 100 177 373 662
30 729   995 967 400 267 221 80 61 119 380 632
31 913   1,160   313   231 47   116   677