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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 03336645 MIDDLE FORK VERMILION RIVER ABOVE OAKWOOD, IL


Vermilion County, Illinois
Hydrologic Unit Code 05120109
Latitude  40°08'13.09", Longitude  87°44'40.9" NAD83
Drainage area 432  square miles
Gage datum 544.18 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 1978-10-01 -> 2024-09-30)

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
1 667 369 570 837 807 546 557 176 261 64 233 426
2 512 388 584 669 822 611 545 177 231 53 357 407
3 392 378 627 604 747 579 415 122 190 53 295 398
4 573 418 725 645 717 672 331 130 134 78 241 337
5 603 540 815 550 607 610 273 114 120 92 183 316
6 502 591 757 591 531 498 238 126 86 117 178 285
7 412 535 697 588 485 545 245 192 105 148 155 288
8 377 505 668 533 495 730 223 161 152 98 129 293
9 424 444 683 465 518 623 280 105 164 116 111 301
10 453 375 746 437 676 539 427 104 160 172 112 292
11 475 387 919 649 733 661 433 81 127 153 174 375
12 518 420 920 894 670 661 424 66 106 124 217 433
13 578 411 849 909 629 631 345 94 78 109 227 418
14 552 390 780 898 659 540 281 107 87 183 200 382
15 491 389 674 889 678 491 275 117 220 169 185 404
16 431 411 607 836 897 485 238 154 211 162 197 405
17 395 641 599 774 873 470 193 150 176 207 260 335
18 329 680 675 746 783 408 224 130 112 196 345 285
19 340 671 729 812 711 420 290 171 141 200 487 244
20 402 803 853 650 717 378 293 205 104 189 459 287
21 365 1,080 773 550 604 368 225 214 73 166 406 314
22 406 1,090 604 521 548 374 223 186 65 165 341 336
23 519 1,050 556 521 458 402 243 248 53 182 305 360
24 525 974 551 465 438 439 191 195 47 226 322 431
25 447 933 623 533 462 336 153 182 46 330 354 443
26 445 745 614 584 650 364 199 155 61 346 392 387
27 351 660 662 557 769 477 215 105 163 283 407 520
28 368 633 712 658 755 460 197 137 102 227 482 660
29 287 260 733 695 727 415 166 142 89 179 471 810
30 280   767 726 571 459 153 222 88 176 412 815
31 365   885   473   214 137   216   692