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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 05525000 IROQUOIS RIVER AT IROQUOIS, IL


Iroquois County, Illinois
Hydrologic Unit Code 07120002
Latitude  40°49'22", Longitude  87°34'53" NAD27
Drainage area 686  square miles
Gage datum 614.34 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 68 - 68 years of record in, cfs   (Calculation Period 1944-10-01 -> 2012-09-30)

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
1 776 694 946 1,110 1,060 808 540 215 180 216 234 520
2 749 694 916 1,110 1,040 813 513 193 203 216 255 516
3 763 678 906 1,120 996 805 513 186 212 208 279 521
4 773 658 951 1,160 936 745 510 174 199 218 284 519
5 793 715 1,070 1,160 872 724 506 164 184 210 287 513
6 818 746 1,090 1,140 795 760 477 160 176 202 292 503
7 817 712 1,080 1,110 764 781 448 170 173 195 285 509
8 826 664 1,070 1,070 769 768 453 173 163 190 270 528
9 825 653 1,080 1,030 753 778 534 160 159 199 258 524
10 768 702 1,100 1,010 734 803 578 162 154 214 248 512
11 728 713 1,170 1,010 743 814 586 162 144 220 263 514
12 688 714 1,180 1,050 786 842 568 158 137 234 285 550
13 672 719 1,170 1,070 867 920 590 164 139 238 292 568
14 676 751 1,170 1,070 925 950 592 160 183 241 306 559
15 666 792 1,140 1,070 951 969 572 148 235 233 333 593
16 666 793 1,130 1,070 961 954 523 137 245 239 355 622
17 637 823 1,110 1,070 973 915 465 133 239 275 387 612
18 609 879 1,120 1,060 970 861 427 140 235 308 403 589
19 592 926 1,140 1,040 957 817 405 142 225 310 419 563
20 573 932 1,180 1,040 938 772 410 150 208 303 435 535
21 570 978 1,190 1,030 904 714 431 147 192 294 433 537
22 584 1,030 1,170 1,020 861 682 462 142 188 301 422 598
23 609 1,050 1,130 1,030 839 659 450 129 199 319 423 618
24 668 1,100 1,100 1,020 805 625 420 112 212 343 429 615
25 683 1,070 1,070 1,020 790 601 387 102 215 346 409 643
26 682 1,020 1,050 1,020 816 602 346 110 213 344 411 654
27 682 987 1,030 1,030 808 568 313 114 210 331 426 648
28 690 993 1,070 1,050 802 586 298 114 216 310 450 657
29 697 612 1,110 1,060 804 593 272 134 219 288 474 679
30 711   1,110 1,050 809 573 251 149 213 265 502 728
31 709   1,100   825   240 149   249   782
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Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water data for USA: USGS Daily Statistics
URL: http://waterdata.usgs.gov/nwis/dvstat?

 Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2013-05-19 01:21:33 EDT
0.34   0.33 sdww02