LOCATION.-- Lat 41°43'46", long 88°20'19", (NAD 1927) in NW1/4SE1/4 sec.33, T.38 N., R.8 E., Kane County, Hydrologic Unit 07120007, on left bank at dam 0.4 mi upstream from Mill Street bridge in Montgomery, 3.2 mi upstream from Waubansee Creek, and at mile 45.9. |
|
DRAINAGE AREA.-- 1,732 mi2. |
|
PERIOD OF RECORD.-- |
|
SURFACE-WATER DISCHARGE AND STAGE |
|
DISCHARGE: October 2002 to current year. |
|
STAGE: October 2002 to current year. |
|
MISCELLANEOUS MEASUREMENTS: Water year 1976. |
|
SURFACE-WATER QUALITY |
|
CHEMICAL: Water years 1978 to 1990. Additional chemical data for water years 1964, 1972-77 are published in Water-Resources Investigations 78-23 and 79-24 as site DT 38. |
|
GAGE.-- Water-stage recorder, phone telemeter, and concrete dam. Datum of gage is 603.52 ft above NGVD of 1929. |
|
REMARKS.-- Flow regulated by Algonquin Dam, 36 mi upstream from station; Stratton Lock and Dam (previously known as McHenry Dam), 52 mi upstream from station; and occasionally affected by wind action. |
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 4,290 ft3/s, May 11, 2003; gage height, 12.95 ft; minimum discharge, 123 ft3/s, Aug. 26, 2003, Sept. 8, 2003. |
|
REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 491 | 584 | 558 | e1300 | e370 | 253 | 833 | 2840 | 1070 | 318 | 670 | 232 |
2 | 665 | 542 | 575 | e1480 | e380 | 255 | 851 | 2720 | 1010 | 305 | 655 | 227 |
3 | 984 | 565 | e610 | e960 | e400 | 248 | 931 | 2100 | 1050 | 286 | 738 | 203 |
4 | 1460 | 590 | e580 | 593 | e380 | e250 | 1400 | 1890 | 1040 | 271 | 778 | 174 |
5 | 1430 | 633 | 517 | 568 | e395 | e250 | 1730 | 3040 | 999 | 353 | 727 | 159 |
6 | 1330 | 633 | 485 | 574 | e410 | e270 | 1500 | 3010 | 913 | 478 | 678 | 156 |
7 | 1230 | 596 | 548 | 528 | e420 | e280 | 1430 | 2980 | 873 | 472 | 758 | 143 |
8 | 1100 | 552 | 525 | 526 | e410 | e280 | 1350 | 2850 | 1030 | 573 | 622 | 131 |
9 | 900 | 523 | 488 | 570 | e400 | 278 | 1110 | 3770 | 1030 | 711 | 592 | 138 |
10 | 832 | 541 | 533 | 566 | e390 | 313 | 1100 | 3650 | 921 | 826 | 543 | 145 |
11 | 721 | 590 | 515 | 413 | e400 | 332 | 1020 | 4090 | 837 | 759 | 478 | 145 |
12 | 687 | 627 | 476 | 455 | e390 | 350 | 979 | 3780 | 969 | 763 | 463 | 143 |
13 | 663 | 597 | 473 | e480 | e370 | 459 | 992 | 3250 | 933 | 773 | 459 | 147 |
14 | 634 | 586 | 471 | e470 | e350 | 413 | 908 | 3030 | 856 | 724 | 424 | 225 |
15 | 607 | 642 | 474 | e470 | e340 | 425 | 793 | 3280 | 797 | 1530 | 408 | 220 |
16 | 605 | 654 | 488 | e470 | e330 | 426 | 783 | 2930 | 736 | 1420 | 306 | 207 |
17 | 600 | 613 | 478 | e460 | e300 | 451 | 1070 | 2640 | 657 | 1500 | 268 | 195 |
18 | 572 | 665 | 594 | e460 | e290 | 475 | 1080 | 2470 | 599 | 1530 | 262 | 186 |
19 | 546 | 821 | 652 | e440 | e270 | 527 | 902 | 2330 | 787 | 1360 | 235 | 193 |
20 | 555 | 1650 | 585 | e440 | e260 | 550 | 737 | 2090 | 1120 | 1190 | 216 | 187 |
21 | 576 | 1720 | 527 | e430 | e260 | 575 | 626 | 1970 | 746 | 1190 | 179 | 185 |
22 | 573 | 1820 | 545 | e430 | e250 | 697 | 709 | 1880 | 499 | 1030 | 161 | 198 |
23 | 575 | 1350 | 480 | e430 | e243 | 762 | 792 | 1460 | 413 | 875 | 187 | 204 |
24 | 590 | 1190 | 452 | e440 | e250 | 741 | 790 | 1130 | 365 | 759 | 168 | 190 |
25 | 649 | 1210 | 507 | e430 | e258 | 793 | 793 | 1110 | 337 | 636 | 142 | 186 |
26 | 688 | 1100 | 493 | e420 | e260 | 821 | 772 | 1060 | 355 | 499 | 139 | 224 |
27 | 814 | 998 | 493 | e420 | 268 | 819 | 590 | 1020 | 313 | 429 | 166 | 294 |
28 | 844 | 815 | 581 | e410 | 256 | 885 | 434 | 951 | 291 | 646 | 168 | 235 |
29 | 804 | 604 | e800 | e400 | --- | 946 | 443 | 842 | 329 | 599 | 181 | 224 |
30 | 691 | 594 | e840 | e390 | --- | 929 | 837 | 801 | 322 | 495 | 168 | 209 |
31 | 645 | --- | e960 | e380 | --- | 877 | --- | 835 | --- | 507 | 177 | --- |
TOTAL | 24061 | 24605 | 17303 | 16803 | 9300 | 15930 | 28285 | 71799 | 22197 | 23807 | 12116 | 5705 |
MEAN | 776 | 820 | 558 | 542 | 332 | 514 | 943 | 2316 | 740 | 768 | 391 | 190 |
MAX | 1460 | 1820 | 960 | 1480 | 420 | 946 | 1730 | 4090 | 1120 | 1530 | 778 | 294 |
MIN | 491 | 523 | 452 | 380 | 243 | 248 | 434 | 801 | 291 | 271 | 139 | 131 |
CFSM | 0.45 | 0.47 | 0.32 | 0.31 | 0.19 | 0.30 | 0.54 | 1.34 | 0.43 | 0.44 | 0.23 | 0.11 |
IN. | 0.52 | 0.53 | 0.37 | 0.36 | 0.20 | 0.34 | 0.61 | 1.54 | 0.48 | 0.51 | 0.26 | 0.12 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2003 - 2003, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 776 | 820 | 558 | 542 | 332 | 514 | 943 | 2316 | 740 | 768 | 391 | 190 |
MAX | 776 | 820 | 558 | 542 | 332 | 514 | 943 | 2316 | 740 | 768 | 391 | 190 |
(WY) | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 |
MIN | 776 | 820 | 558 | 542 | 332 | 514 | 943 | 2316 | 740 | 768 | 391 | 190 |
(WY) | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 |
SUMMARY STATISTICS | FOR 2003 WATER YEAR | |||||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 271911 | |||||
ANNUAL MEAN | 745 | |||||
HIGHEST DAILY MEAN | 4090 | May 11 | ||||
LOWEST DAILY MEAN | 131 | Sep 8 | ||||
ANNUAL SEVEN-DAY MINIMUM | 142 | Sep 7 | ||||
MAXIMUM PEAK FLOW | 4290 | May 11 | ||||
MAXIMUM PEAK STAGE | 12.95 | May 11 | ||||
INSTANTANEOUS LOW FLOW | 123 | Aug 26, Sep 8 | ||||
ANNUAL RUNOFF (CFSM) | 0.43 | |||||
ANNUAL RUNOFF (INCHES) | 5.85 | |||||
10 PERCENT EXCEEDS | 1410 | |||||
50 PERCENT EXCEEDS | 575 | |||||
90 PERCENT EXCEEDS | 224 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |