LOCATION.-- Lat 42°30'34", long 89°47'58" (NAD of 1927), in NE 1/4 SE 1/4 sec.32, T.1 N., R.6 E., Green County, Hydrologic Unit 07090003, on right bank about 400 ft downstream from highway bridge in Martintown, 0.3 mi upstream from Wisconsin-Illinois State line and 8.8 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 and phone telemeter. Datum of gage is 757.83 ft above NGVD of 1929. Prior to Jan. 6, 1940, nonrecording gage at same site and datum. Auxiliary wire-weight gage 1.2 mi downstream, at same datum. |
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REMARKS.-- Diurnal fluctuation at low flow caused by powerplant in Argyle, 28.2 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 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 825 | 545 | e440 | 451 | e340 | e350 | 481 | 728 | 574 | 440 | 310 | 291 |
2 | 732 | 536 | e430 | e370 | e340 | e350 | 478 | 1410 | 539 | 406 | 319 | 272 |
3 | 800 | 536 | e430 | e410 | e340 | e350 | 478 | 1310 | 518 | 390 | 320 | 269 |
4 | 880 | 539 | e430 | e410 | e340 | e350 | 479 | 915 | 505 | 389 | 332 | 267 |
5 | 1290 | 538 | e430 | e420 | e340 | e340 | 493 | 812 | 513 | 423 | 340 | 260 |
6 | 1440 | 541 | e420 | e440 | e340 | e330 | 494 | 823 | 499 | 465 | 326 | 259 |
7 | 1130 | 541 | e420 | e430 | e340 | e330 | 483 | 792 | 497 | 460 | 313 | 258 |
8 | 853 | 537 | e420 | e420 | e340 | e330 | 475 | 782 | 509 | 449 | 298 | 256 |
9 | 737 | 530 | e420 | 445 | e340 | e330 | 475 | 911 | 520 | 524 | 300 | 254 |
10 | 689 | 530 | e420 | 438 | e340 | e330 | 480 | 1030 | 518 | 588 | 293 | 252 |
11 | 650 | 527 | e440 | 369 | e340 | e330 | 492 | 986 | 502 | 537 | 291 | 251 |
12 | 622 | 521 | e470 | e400 | e340 | e360 | 493 | 928 | 489 | 478 | 288 | 253 |
13 | 599 | 528 | e480 | e400 | e340 | e450 | 483 | 1060 | 481 | 458 | 287 | 279 |
14 | 579 | 519 | e490 | e400 | e330 | e600 | 472 | 946 | 474 | 428 | 285 | 403 |
15 | 574 | 509 | e480 | e380 | e330 | e1100 | 464 | 952 | 461 | 407 | 282 | 581 |
16 | 568 | 502 | e460 | e370 | e330 | e1000 | 460 | 1010 | 447 | 394 | 279 | 611 |
17 | 564 | 494 | e450 | e360 | e330 | e900 | 459 | 924 | 435 | 382 | 277 | 438 |
18 | 565 | 490 | e470 | e350 | e350 | 755 | 459 | 811 | 434 | 366 | 273 | 331 |
19 | 567 | 493 | e530 | e340 | e380 | 619 | 463 | 748 | 481 | 358 | 271 | 307 |
20 | 572 | 504 | e570 | e340 | e420 | 580 | 479 | 814 | 440 | 353 | 263 | 302 |
21 | 560 | 513 | e530 | e330 | e470 | 576 | 504 | 802 | 422 | 347 | 261 | 291 |
22 | 547 | 505 | e460 | e330 | e530 | 568 | 508 | 708 | 413 | 348 | 264 | 288 |
23 | 533 | 496 | e400 | e330 | e560 | 543 | 479 | 669 | 406 | 342 | 267 | 287 |
24 | 533 | 491 | e330 | e330 | e600 | 520 | 453 | 655 | 402 | 340 | 263 | 289 |
25 | 556 | 485 | e420 | e330 | e510 | 513 | 440 | 635 | 401 | 322 | 259 | 287 |
26 | 590 | 474 | e420 | e330 | e470 | 499 | 432 | 601 | 457 | 330 | 259 | 281 |
27 | 612 | 430 | e420 | e330 | e400 | 483 | 421 | 579 | 468 | 312 | 261 | 279 |
28 | 598 | 390 | e430 | e330 | e360 | 505 | 405 | 559 | 458 | 316 | 262 | 280 |
29 | 577 | 500 | e440 | e330 | --- | 568 | 406 | 545 | 443 | 316 | 266 | 281 |
30 | 568 | 536 | e450 | e330 | --- | 551 | 416 | 540 | 461 | 323 | 278 | 277 |
31 | 559 | --- | 472 | e340 | --- | 508 | --- | 562 | --- | 316 | 318 | --- |
TOTAL | 21469 | 15280 | 13872 | 11583 | 10790 | 15918 | 14004 | 25547 | 14167 | 12307 | 8905 | 9234 |
MEAN | 693 | 509 | 447 | 374 | 385 | 513 | 467 | 824 | 472 | 397 | 287 | 308 |
MAX | 1440 | 545 | 570 | 451 | 600 | 1100 | 508 | 1410 | 574 | 588 | 340 | 611 |
MIN | 533 | 390 | 330 | 330 | 330 | 330 | 405 | 540 | 401 | 312 | 259 | 251 |
CFSM | 0.67 | 0.49 | 0.43 | 0.36 | 0.37 | 0.50 | 0.45 | 0.80 | 0.46 | 0.38 | 0.28 | 0.30 |
IN. | 0.77 | 0.55 | 0.50 | 0.42 | 0.39 | 0.57 | 0.50 | 0.92 | 0.51 | 0.44 | 0.32 | 0.33 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 542 | 588 | 518 | 581 | 803 | 1354 | 969 | 821 | 863 | 790 | 584 | 575 |
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 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1940 - 2003 | |||
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ANNUAL TOTAL | 272908 | 173076 | ||||
ANNUAL MEAN | 748 | 474 | 748 | |||
HIGHEST ANNUAL MEAN | 1720 | 1993 | ||||
LOWEST ANNUAL MEAN | 292 | 1964 | ||||
HIGHEST DAILY MEAN | 3020 | Jun 7 | 1440 | Oct 6 | 14600 | Jul 1 1969 |
LOWEST DAILY MEAN | 330 | Dec 24 | 251 | Sep 11 | 132 | Nov 7 1949 |
ANNUAL SEVEN-DAY MINIMUM | 409 | Dec 23 | 255 | Sep 6 | 140 | Jan 18 1959 |
MAXIMUM PEAK FLOW | 1510 | May 2 | 15100 | Jul 1 1969 | ||
MAXIMUM PEAK STAGE | 8.66 | May 2 | 21.46 | Jul 1 1969 | ||
INSTANTANEOUS LOW FLOW | 0.00 | Dec 14 1939 | ||||
ANNUAL RUNOFF (CFSM) | 0.72 | 0.46 | 0.72 | |||
ANNUAL RUNOFF (INCHES) | 9.82 | 6.23 | 9.84 | |||
10 PERCENT EXCEEDS | 1010 | 677 | 1330 | |||
50 PERCENT EXCEEDS | 657 | 449 | 538 | |||
90 PERCENT EXCEEDS | 495 | 287 | 260 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |