LOCATION.-- Lat 42°30'36", long 89°48'05" (NAD of 1983), in NE 1/4 SE 1/4 sec.32, T.1 N., R.6 E., Green County, Hydrologic Unit 07090003, on right bank 8 ft downstream from highway bridge in Martintown, 0.4 mi upstream from Wisconsin-Illinois State line and 8.7 mi downstream from Skinner Creek. |
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DRAINAGE AREA.-- 1,034 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1939 to current year. |
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REVISED RECORDS.-- WSP 1308: 1949-50(M). WDR WI-71-1: Drainage area. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 757.83 ft above NGVD of 1929 (757.49 ft NAVD 1988). Prior to Jan. 6, 1940, nonrecording gage at site 400 ft downstream at same datum. From Jan. 6, 1940 to Nov. 12, 2004, recording gage at site 400 ft downstream at same datum. Auxiliary wire-weight gage 1.3 mi downstream at same datum. |
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REMARKS.-- Diurnal fluctuation at low flow may occur from powerplant operations in Argyle, 28.1 mi upstream. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 15,100 ft3/s, July 1, 1969, gage height, 21.46 ft; no flow, December 14, 1939, result of regulation. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for periods of discharge above 2,000 ft3/s, which are fair, and estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 522 | 655 | 578 | e523 | e403 | 805 | 945 | 531 | 470 | 420 | 328 | 287 |
2 | 535 | 680 | 557 | e532 | e418 | 714 | 899 | 523 | 454 | 410 | 320 | 281 |
3 | 563 | 692 | 545 | e709 | e408 | 639 | 821 | 520 | 442 | 396 | 323 | 277 |
4 | 572 | 695 | 535 | e843 | e427 | 624 | 777 | 516 | 437 | 418 | 311 | 275 |
5 | 544 | 676 | 529 | e711 | e531 | 773 | 749 | 507 | 519 | 436 | 305 | 273 |
6 | 538 | 672 | 540 | e561 | e629 | 1340 | 732 | 501 | 606 | 424 | 302 | 275 |
7 | 530 | 639 | 608 | e522 | e1760 | 2020 | 758 | 506 | 614 | 405 | 295 | 274 |
8 | 554 | 603 | 753 | e490 | e2410 | 2200 | 828 | 520 | 523 | 385 | 284 | 271 |
9 | 619 | 579 | 813 | e495 | e2480 | 2420 | 826 | 521 | 476 | 373 | 288 | 272 |
10 | 630 | 561 | 767 | e496 | e2270 | 2560 | 749 | 556 | 460 | 363 | 286 | 274 |
11 | 582 | 554 | 711 | e496 | e1800 | 1900 | 710 | 613 | 456 | 346 | 288 | 274 |
12 | 561 | 548 | 692 | e500 | e1250 | 1160 | 700 | 659 | 454 | 349 | 318 | 271 |
13 | 550 | 541 | 662 | e606 | e1310 | 926 | 714 | 762 | 503 | 349 | 342 | 269 |
14 | 552 | 530 | 595 | e1220 | e2320 | 837 | 722 | 771 | 532 | 349 | 337 | 268 |
15 | 561 | 526 | 460 | e1280 | e3350 | 796 | 695 | 741 | 471 | 350 | 321 | 268 |
16 | 562 | 537 | e478 | e923 | e3870 | 769 | 652 | 687 | 446 | 337 | 316 | 274 |
17 | 560 | 557 | e487 | e783 | e3920 | 773 | 631 | 639 | 433 | 327 | 298 | 275 |
18 | 557 | 565 | e485 | e588 | e3210 | 808 | 624 | 607 | 420 | 316 | 311 | 269 |
19 | 549 | 569 | e461 | e531 | e2700 | 847 | 615 | 595 | 406 | 310 | 366 | 282 |
20 | 549 | 582 | e448 | e527 | e1950 | 996 | 595 | 605 | 399 | 320 | 447 | 362 |
21 | 558 | 594 | e450 | e522 | e1400 | 967 | 595 | 625 | 392 | 326 | 427 | 447 |
22 | 563 | 588 | e424 | e494 | 1200 | 966 | 633 | 588 | 384 | 364 | 347 | 363 |
23 | 650 | 566 | e413 | e451 | 1080 | 966 | 631 | 554 | 379 | 482 | 304 | 300 |
24 | 750 | 557 | e406 | e441 | 893 | 871 | 639 | 538 | 363 | 405 | 302 | 294 |
25 | 804 | 548 | e406 | e446 | 832 | 827 | 614 | 519 | 374 | 389 | 302 | 317 |
26 | 711 | 536 | e406 | e441 | 942 | 815 | 593 | 502 | 457 | 401 | 301 | 378 |
27 | 636 | 546 | e408 | e408 | 945 | 805 | 587 | 489 | 661 | 404 | 301 | 424 |
28 | 623 | 601 | e413 | e418 | 870 | 800 | 576 | 485 | 644 | 492 | 302 | 422 |
29 | 630 | 628 | e452 | e424 | --- | 804 | 558 | 484 | 504 | 424 | 302 | 351 |
30 | 632 | 613 | e450 | e418 | --- | 813 | 541 | 486 | 449 | 357 | 295 | 339 |
31 | 643 | --- | e492 | e413 | --- | 846 | --- | 483 | --- | 337 | 290 | --- |
TOTAL | 18390 | 17738 | 16424 | 18212 | 45578 | 33387 | 20709 | 17633 | 14128 | 11764 | 9859 | 9206 |
MEAN | 593 | 591 | 530 | 587 | 1628 | 1077 | 690 | 569 | 471 | 379 | 318 | 307 |
MAX | 804 | 695 | 813 | 1280 | 3920 | 2560 | 945 | 771 | 661 | 492 | 447 | 447 |
MIN | 522 | 526 | 406 | 408 | 403 | 624 | 541 | 483 | 363 | 310 | 284 | 268 |
CFSM | 0.57 | 0.57 | 0.51 | 0.57 | 1.57 | 1.04 | 0.67 | 0.55 | 0.46 | 0.37 | 0.31 | 0.30 |
IN. | 0.66 | 0.64 | 0.59 | 0.66 | 1.64 | 1.20 | 0.75 | 0.63 | 0.51 | 0.42 | 0.35 | 0.33 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 539 | 590 | 520 | 579 | 814 | 1345 | 962 | 829 | 873 | 788 | 583 | 571 |
MAX | 1226 | 2429 | 1492 | 2049 | 2512 | 3155 | 2943 | 3200 | 2804 | 5190 | 1752 | 1920 |
(WY) | 1987 | 1962 | 1983 | 1960 | 1953 | 1950 | 1960 | 1973 | 2000 | 1993 | 1993 | 1965 |
MIN | 187 | 211 | 162 | 147 | 182 | 259 | 328 | 234 | 233 | 181 | 167 | 166 |
(WY) | 1957 | 1965 | 1959 | 1959 | 1959 | 1957 | 1957 | 1958 | 1965 | 1965 | 1958 | 1958 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1940 - 2005 | |||
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ANNUAL TOTAL | 325623 | 233028 | ||||
ANNUAL MEAN | 890 | 638 | 749 | |||
HIGHEST ANNUAL MEAN | 1720 | 1993 | ||||
LOWEST ANNUAL MEAN | 292 | 1964 | ||||
HIGHEST DAILY MEAN | 5380 | May 26 | 3920 A | Feb 17 | 14600 | Jul 1 1969 |
LOWEST DAILY MEAN | 370 A | Jan 23-27 | 268 | Sep 14,15 | 132 | Nov 7 1949 |
ANNUAL SEVEN-DAY MINIMUM | 373 | Jan 22 | 271 | Sep 12 | 140 | Jan 18 1959 |
MAXIMUM PEAK FLOW | 15100 | Jul 1 1969 | ||||
MAXIMUM PEAK STAGE | 16.10 | Feb 17 | 21.46 | Jul 1 1969 | ||
INSTANTANEOUS LOW FLOW | 0.00 | Dec 14 1939 | ||||
ANNUAL RUNOFF (CFSM) | 0.860 | 0.617 | 0.724 | |||
ANNUAL RUNOFF (INCHES) | 11.71 | 8.38 | 9.84 | |||
10 PERCENT EXCEEDS | 1610 | 895 | 1330 | |||
50 PERCENT EXCEEDS | 676 | 535 | 540 | |||
90 PERCENT EXCEEDS | 406 | 303 | 262 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |