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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 806 | 816 | 846 | e630 | e580 | e660 | 728 | 925 | 708 | 814 | 647 | 562 |
2 | 787 | 805 | 844 | e600 | e550 | e620 | 731 | 900 | 687 | 793 | 623 | 611 |
3 | 767 | 788 | 819 | e590 | e540 | e560 | 741 | 902 | 710 | 776 | 610 | 773 |
4 | 749 | 766 | 796 | e580 | e540 | e540 | 737 | 891 | 1880 | 756 | 600 | 849 |
5 | 746 | 747 | 788 | e620 | e540 | e570 | 719 | 848 | 2620 | 740 | 619 | 700 |
6 | 745 | 737 | 802 | e630 | e560 | e580 | 707 | 822 | 2860 | 733 | 666 | 608 |
7 | 729 | 732 | 840 | e580 | e570 | e590 | 726 | 813 | 3020 | 768 | 646 | 579 |
8 | 714 | 726 | 853 | e600 | e570 | e650 | 919 | 811 | 2980 | 831 | 612 | 566 |
9 | 707 | 717 | 815 | e630 | e570 | e1000 | 1440 | 800 | 2590 | 813 | 595 | 557 |
10 | 731 | 707 | 792 | e680 | e700 | 1330 | 1550 | 783 | 2020 | 773 | 586 | 556 |
11 | 767 | 698 | 780 | e720 | 893 | 1350 | 1400 | 793 | 1730 | 749 | 579 | 555 |
12 | 772 | 692 | 766 | e710 | 888 | 1160 | 1230 | 836 | 1580 | 733 | 577 | 555 |
13 | 765 | 698 | 819 | e700 | 743 | 1070 | 1150 | 953 | 1450 | 724 | 610 | 551 |
14 | 745 | 728 | 911 | e670 | 680 | 1000 | 1100 | 981 | 1370 | 712 | 635 | 543 |
15 | 742 | 743 | 926 | e680 | 657 | 965 | 1040 | 897 | 1310 | 700 | 643 | 539 |
16 | 738 | 739 | 870 | e650 | 657 | 924 | 1000 | 845 | 1250 | 689 | 612 | 540 |
17 | 717 | 718 | 846 | e620 | 649 | 883 | 959 | 818 | 1170 | 679 | 585 | 538 |
18 | 703 | 699 | 841 | e570 | 636 | 854 | 918 | 795 | 1100 | 671 | 572 | 526 |
19 | 695 | 696 | 817 | e530 | 656 | 839 | 902 | 774 | 1050 | 664 | 571 | 597 |
20 | 690 | 703 | 807 | e530 | 889 | 841 | 961 | 758 | 1020 | 651 | 569 | 658 |
21 | 684 | 706 | 781 | e550 | 1200 | 863 | 967 | 745 | 997 | 652 | 559 | 650 |
22 | 688 | 693 | 766 | e570 | 1150 | 851 | 929 | 736 | 968 | 652 | 1120 | 619 |
23 | 933 | 684 | 790 | e600 | 967 | 810 | 928 | 728 | 939 | 661 | 1500 | 580 |
24 | 1560 | 762 | 800 | e610 | 874 | 798 | 917 | 725 | 914 | 734 | 1080 | 554 |
25 | 1530 | 988 | e650 | e620 | 852 | 792 | 905 | 738 | 890 | 711 | 758 | 542 |
26 | 1260 | 1040 | e690 | e620 | 839 | 767 | 906 | 772 | 879 | 652 | 652 | 540 |
27 | 1070 | 957 | e770 | e620 | 808 | 751 | 877 | 801 | 887 | 649 | 614 | 539 |
28 | 947 | 882 | e720 | 621 | e700 | 750 | 883 | 764 | 890 | 665 | 593 | 536 |
29 | 887 | 852 | e700 | 615 | --- | 752 | 932 | 730 | 866 | 680 | 580 | 583 |
30 | 854 | 837 | e670 | 607 | --- | 751 | 973 | 741 | 834 | 707 | 573 | 774 |
31 | 830 | --- | e650 | 604 | --- | 741 | --- | 736 | --- | 686 | 571 | --- |
TOTAL | 26058 | 23056 | 24565 | 19157 | 20458 | 25612 | 28875 | 25161 | 42169 | 22218 | 20757 | 17880 |
MEAN | 840.6 | 768.5 | 792.4 | 618.0 | 730.6 | 826.2 | 962.5 | 811.6 | 1406 | 716.7 | 669.6 | 596.0 |
MAX | 1560 | 1040 | 926 | 720 | 1200 | 1350 | 1550 | 981 | 3020 | 831 | 1500 | 849 |
MIN | 684 | 684 | 650 | 530 | 540 | 540 | 707 | 725 | 687 | 649 | 559 | 526 |
CFSM | 0.81 | 0.74 | 0.77 | 0.60 | 0.71 | 0.80 | 0.93 | 0.78 | 1.36 | 0.69 | 0.65 | 0.58 |
IN. | 0.94 | 0.83 | 0.88 | 0.69 | 0.74 | 0.92 | 1.04 | 0.91 | 1.52 | 0.80 | 0.75 | 0.64 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 539.4 | 589.4 | 518.8 | 584.7 | 809.6 | 1367 | 976.7 | 820.6 | 869.0 | 796.2 | 589.1 | 578.8 |
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 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1940 - 2002 | |||
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ANNUAL TOTAL | 318119 | 295966 | ||||
ANNUAL MEAN | 871.6 | 810.9 | 752.8 | |||
HIGHEST ANNUAL MEAN | 1720 | 1993 | ||||
LOWEST ANNUAL MEAN | 292 | 1964 | ||||
HIGHEST DAILY MEAN | 1730 | Apr 12 | 3020 | Jun 7 | 14600 | Jul 1 1969 |
LOWEST DAILY MEAN | 400 | Jan 23 | 526 | Sep 18 | 132 | Nov 7 1949 |
ANNUAL SEVEN-DAY MINIMUM | 409 | Jan 21 | 542 | Sep 12 | 140 | Jan 18 1959 |
MAXIMUM PEAK FLOW | 3060 | Jun 7 | 15100 | Jul 1 1969 | ||
MAXIMUM PEAK STAGE | 13.57 | Jun 7 | 21.46 | Jul 1 1969 | ||
INSTANTANEOUS LOW FLOW | 0.00 | Dec 14 1939 | ||||
ANNUAL RUNOFF (CFSM) | 0.84 | 0.78 | 0.73 | |||
ANNUAL RUNOFF (INCHES) | 11.44 | 10.65 | 9.89 | |||
10 PERCENT EXCEEDS | 1300 | 1040 | 1340 | |||
50 PERCENT EXCEEDS | 806 | 741 | 540 | |||
90 PERCENT EXCEEDS | 542 | 571 | 260 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |