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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 05567500 MACKINAW RIVER NEAR CONGERVILLE, IL


Woodford County, Illinois
Hydrologic Unit Code 07130004
Latitude  40°37'24.6", Longitude  89°14'30.0" NAD83
Drainage area 767  square miles
Gage datum 606.77 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 1944-10-01 -> 2023-09-30)

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
1 738 451 698 1,140 1,360 961 590 165 98 166 376 384
2 614 462 700 1,100 1,330 1,030 501 155 125 165 331 449
3 515 464 702 1,040 1,060 1,040 481 185 174 252 335 464
4 538 508 909 1,000 868 767 412 219 183 500 298 747
5 686 593 1,080 956 804 709 373 183 163 334 268 440
6 675 597 957 1,070 804 648 390 234 138 216 238 368
7 542 603 930 1,040 820 660 358 245 151 198 211 379
8 492 513 894 951 882 730 338 247 173 189 188 390
9 581 518 875 919 988 689 679 234 158 170 177 376
10 535 620 984 907 987 619 691 230 155 153 202 354
11 491 574 1,230 958 1,010 656 632 184 151 151 220 371
12 483 591 1,290 1,080 1,140 732 478 136 128 140 230 411
13 555 656 1,100 1,120 1,100 817 427 136 137 139 252 407
14 696 645 1,020 1,070 1,280 876 418 127 423 148 281 394
15 611 599 1,020 1,050 1,210 841 373 185 684 158 289 407
16 493 548 982 1,070 1,070 830 493 261 515 156 284 419
17 418 626 915 1,070 1,070 746 466 223 336 212 294 395
18 380 736 929 1,160 1,140 766 437 145 214 229 307 362
19 359 829 1,000 1,070 1,160 930 338 133 215 235 386 325
20 413 770 1,040 1,080 958 1,130 394 121 194 191 441 308
21 447 864 971 1,070 843 1,080 328 126 154 158 285 324
22 461 959 911 1,110 776 1,100 307 106 176 143 259 379
23 514 1,050 950 1,130 775 1,030 327 95 211 174 267 406
24 585 1,040 942 1,060 837 850 280 125 322 212 253 440
25 583 966 910 1,080 845 781 256 124 367 266 260 523
26 540 798 845 1,140 912 733 304 120 268 251 279 548
27 494 798 792 1,060 1,010 704 273 100 206 254 318 558
28 512 781 887 1,050 1,050 697 246 95 206 230 488 537
29 429 505 994 1,010 1,000 707 224 111 202 214 456 831
30 434   1,020 1,210 908 676 208 120 179 289 400 862
31 464   1,140   944   196 128   373   790