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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 05568000 MACKINAW RIVER NEAR GREEN VALLEY, IL


Tazewell County, Illinois
Hydrologic Unit Code 07130004
Latitude  40°27'16.8", Longitude  89°36'22.2" NAD83
Drainage area 1,073  square miles
Gage datum 476.67 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 1920-10-01 -> 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
1 799 718 1,130 1,460 1,550 1,200 929 278 268 316 456 564
2 711 696 1,000 1,410 1,580 1,180 797 258 331 288 496 606
3 706 721 989 1,310 1,440 1,080 768 257 378 335 510 590
4 711 778 962 1,210 1,360 1,020 683 324 354 381 424 520
5 831 854 939 1,140 1,320 943 617 375 396 461 412 472
6 905 962 917 1,210 1,200 895 791 380 426 420 370 444
7 892 1,070 913 1,300 1,150 874 681 311 391 420 348 468
8 833 1,110 933 1,300 1,170 972 645 227 337 376 335 518
9 798 1,080 1,020 1,220 1,310 901 694 240 408 337 309 510
10 784 965 1,180 1,210 1,420 823 958 221 406 308 335 493
11 877 825 1,320 1,360 1,530 849 997 209 363 271 313 452
12 808 816 1,350 1,480 1,660 1,010 900 195 321 272 303 443
13 823 831 1,320 1,530 1,680 1,080 712 225 287 246 349 518
14 861 864 1,230 1,450 1,670 1,070 619 223 519 232 420 538
15 924 828 1,230 1,420 1,600 1,080 512 203 596 229 422 553
16 917 795 1,270 1,440 1,510 1,120 578 247 600 229 415 524
17 762 846 1,260 1,470 1,530 984 667 237 609 272 426 536
18 646 912 1,230 1,450 1,730 910 646 219 510 288 473 510
19 647 957 1,250 1,420 1,900 1,010 537 198 299 292 478 472
20 652 1,000 1,300 1,530 1,780 1,150 486 240 280 299 482 441
21 663 1,210 1,220 1,430 1,500 1,270 481 284 249 247 480 452
22 667 1,290 1,140 1,300 1,290 1,160 502 452 264 268 465 499
23 703 1,210 1,200 1,430 1,090 999 495 339 211 311 493 531
24 904 1,180 1,220 1,480 1,110 906 515 348 209 313 485 605
25 930 1,280 1,220 1,480 1,140 854 417 269 229 391 476 638
26 833 1,300 1,210 1,430 1,180 954 417 223 251 363 488 585
27 712 1,410 1,130 1,400 1,340 861 379 223 292 327 543 685
28 688 1,300 1,060 1,350 1,320 944 320 214 275 339 652 806
29 612 1,180 1,100 1,230 1,320 997 286 214 302 302 654 826
30 578   1,190 1,330 1,240 1,010 319 238 300 421 626 878
31 694   1,330   1,270   299 289   441   934