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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°37'25", Longitude  89°14'30" NAD27
Drainage area 767  square miles
Gage datum 607.01 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 73 - 75 years of record in, ft3/s   (Calculation Period 1944-10-01 -> 2019-09-30)

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
1 732 460 671 1,060 1,200 926 582 165 102 159 314 387
2 594 469 682 1,060 1,110 1,030 495 155 129 166 295 456
3 505 463 687 1,020 874 1,050 478 186 181 258 314 447
4 540 493 905 999 770 767 402 224 191 520 283 763
5 703 567 1,080 956 754 708 359 186 170 346 257 444
6 695 566 952 1,070 757 648 384 243 144 222 230 371
7 553 563 936 1,040 773 664 356 252 157 203 204 386
8 499 464 903 951 835 740 337 255 179 193 182 400
9 596 495 873 926 929 697 694 239 162 173 172 386
10 549 622 921 918 913 623 707 234 160 156 200 363
11 473 575 1,210 973 966 665 647 188 156 153 218 378
12 433 582 1,310 1,100 1,120 746 485 136 131 142 229 417
13 505 646 1,110 1,150 1,090 837 417 121 138 140 254 412
14 684 649 1,030 1,090 1,290 900 406 104 442 149 284 400
15 607 596 1,020 1,060 1,220 865 354 168 718 159 294 408
16 487 546 989 1,070 1,070 852 307 263 540 157 289 419
17 412 619 919 1,090 1,060 764 359 226 352 217 300 398
18 378 717 925 1,170 1,050 787 392 145 224 236 313 366
19 353 820 969 1,080 997 956 299 133 225 242 397 328
20 408 774 994 1,100 856 1,130 351 121 203 196 455 311
21 454 875 940 1,100 797 1,080 306 125 159 162 291 330
22 472 949 896 1,150 738 1,120 293 105 183 146 261 390
23 521 1,020 937 1,170 714 1,040 322 95 220 178 271 420
24 593 939 907 1,100 783 864 277 128 337 216 257 456
25 590 872 863 1,080 822 790 251 127 385 236 264 546
26 545 744 796 1,080 875 733 305 122 281 210 284 573
27 500 761 757 1,010 985 672 274 101 214 182 325 583
28 522 747 867 1,050 1,040 633 248 97 172 177 505 554
29 437 460 980 1,010 977 646 225 114 159 172 471 858
30 445   994 1,140 850 648 209 124 158 214 410 884
31 473   1,050   882   197 133   282   809