LOCATION.-- Lat 42°26'17", long 89°10'30", (NAD of 1983) in SE1/4SW1/4 sec.12, T.28 N., R.11 E., Winnebago County, Hydrologic Unit 7090003, on left bank on upstream side of bridge, next to the Rivers Edge Campsite, 1.5 mi downstream from Sugar Creek, 7 mi upstream from confluence with Rock River, and at mile 7.1. |
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DRAINAGE AREA.-- 2,556 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: Oct. 1939 to Sept. 1958 (published as "at Shirland"), July 2002 to current year. |
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STAGE: July 2002 to current year. |
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PARTIAL RECORD: Annual maximum, water years 1959 to 1971 (published as "at Shirland"). |
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GAGE.-- Water-stage recorder, acoustic-velocity meter, phone telemeter and crest-stage gage. Datum of gage is 711.79 ft above NGVD of 1929 (711.58 ft NAVD 1988). October 1939 to September 1971, nonrecording gage at site 1.5 miles upstream "at Shirland" (05437000) at same datum. Records considered equivalent. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 16,600 ft3/s, April 4, 1959, gage-height, 17.45 ft at site then in use; minimum daily discharge, 335 ft3/s, Sept. 7, 14, 15, 1958. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for 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 | 1040 | 1170 | e1100 | e780 | e860 | e1500 | 2360 | 841 | 1020 | 1070 | 851 | 675 |
2 | 1070 | 1180 | e1100 | e780 | e860 | e1500 | 2480 | 1020 | 988 | 975 | 807 | e675 |
3 | 1100 | 1240 | e1000 | e860 | e860 | e1500 | 2630 | 1050 | 945 | 941 | 794 | e640 |
4 | 1090 | 1310 | e1000 | e840 | e880 | e1400 | 2380 | 1030 | 936 | 934 | 778 | e620 |
5 | 1050 | 1290 | e980 | e800 | 1140 | e1400 | 1980 | e1100 | 1020 | 957 | 766 | e600 |
6 | 1050 | 1280 | e1000 | e820 | 1410 | e1600 | 1520 | 1280 | 1160 | 1000 | 750 | e600 |
7 | 961 | 1230 | e1000 | e900 | 2610 | e2300 | 1400 | 1180 | 1270 | 1020 | 725 | e600 |
8 | 910 | 1180 | e1200 | e900 | 3530 | e3000 | 1370 | 1170 | 1200 | 983 | 719 | e600 |
9 | 917 | 1180 | 1380 | e860 | 3890 | e3450 | 1360 | 1200 | 1130 | 971 | 703 | e600 |
10 | 997 | 1140 | 1640 | e840 | 4290 | e3500 | 1440 | 1230 | 1030 | 950 | 693 | 588 |
11 | 1010 | 1060 | 1710 | e860 | 4770 | e3500 | 1510 | 1360 | 859 | 902 | 700 | 577 |
12 | 967 | 978 | 1630 | 1190 | 5130 | e3500 | 1490 | 1310 | 941 | 855 | 794 | 561 |
13 | 963 | 973 | e1000 | 1760 | 5000 | e3300 | 1480 | 1360 | 1100 | 854 | 818 | 557 |
14 | 961 | 1020 | e840 | 2690 | 5190 | e3000 | 1460 | 1450 | 1040 | 873 | 805 | 549 |
15 | 978 | 1010 | e720 | 3120 | 6290 | e2200 | 1510 | 1450 | 1000 | 848 | 802 | 552 |
16 | 960 | 979 | e660 | 3210 | 6810 | e1700 | 1470 | 1390 | 1060 | 823 | 786 | 583 |
17 | 892 | 1030 | e620 | 3140 | 5400 | e1500 | 1370 | 1370 | 1030 | 796 | 755 | 602 |
18 | 868 | 1140 | e640 | 2950 | 5850 | e1400 | 1330 | 1270 | 939 | 782 | 810 | 599 |
19 | 854 | 1130 | e680 | 2620 | e5400 | e1500 | 1280 | 1220 | 925 | 763 | 910 | 637 |
20 | 891 | 1190 | e700 | e1700 | e5000 | e1700 | 1270 | 1190 | 896 | 759 | 1110 | 671 |
21 | 940 | 1140 | e680 | e1300 | e4200 | e1900 | 1190 | 1220 | 853 | 799 | 1180 | 694 |
22 | 1030 | 1090 | e680 | e1100 | e3600 | 2270 | 1170 | 1270 | 831 | 824 | 1080 | 720 |
23 | 1140 | 1090 | e680 | e960 | e2900 | 2140 | 1070 | 1270 | 836 | 849 | 916 | 764 |
24 | 1210 | 1030 | e680 | e900 | e2600 | 2190 | 1010 | 1170 | 807 | 889 | 807 | 748 |
25 | 1360 | 932 | e700 | e880 | e2100 | 2130 | 1010 | 1160 | 813 | 947 | 755 | 717 |
26 | 1460 | 866 | e740 | e860 | e1700 | 2000 | 948 | 1190 | 951 | 968 | 715 | 771 |
27 | 1360 | e900 | e780 | e840 | e1600 | 1970 | 891 | 1160 | 972 | 1010 | 714 | 812 |
28 | 1270 | e1000 | e800 | e820 | e1500 | 2020 | 912 | 1130 | 1060 | 973 | 714 | 832 |
29 | 1270 | e1200 | e780 | e840 | --- | 2080 | 956 | 1070 | 1170 | 921 | 703 | 808 |
30 | 1360 | e1200 | e800 | e860 | --- | 2160 | 937 | 1070 | 1160 | 924 | 697 | 797 |
31 | 1200 | --- | e800 | e880 | --- | 2280 | --- | 1040 | --- | 907 | 682 | --- |
TOTAL | 33129 | 33158 | 28720 | 41860 | 95370 | 67590 | 43184 | 37221 | 29942 | 28067 | 24839 | 19749 |
MEAN | 1069 | 1105 | 926 | 1350 | 3406 | 2180 | 1439 | 1201 | 998 | 905 | 801 | 658 |
MAX | 1460 | 1310 | 1710 | 3210 | 6810 | 3500 | 2630 | 1450 | 1270 | 1070 | 1180 | 832 |
MIN | 854 | 866 | 620 | 780 | 860 | 1400 | 891 | 841 | 807 | 759 | 682 | 549 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 1020 | 1082 | 980 | 1266 | 1731 | 3245 | 1819 | 1608 | 1823 | 1459 | 1192 | 1011 |
MAX | 2598 | 3142 | 1797 | 4956 | 4463 | 7679 | 4550 | 3254 | 4762 | 3901 | 2955 | 2003 |
(WY) | 1952 | 1952 | 1943 | 1946 | 1953 | 1948 | 1952 | 1948 | 2004 | 1951 | 1942 | 1942 |
MIN | 476 | 545 | 559 | 479 | 650 | 789 | 940 | 604 | 723 | 639 | 442 | 394 |
(WY) | 1957 | 1950 | 1957 | 1940 | 1940 | 1954 | 1956 | 1958 | 1958 | 1941 | 1958 | 1958 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1940 - 2005 | |||
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ANNUAL TOTAL | 719882 | 482829 | ||||
ANNUAL MEAN | 1967 | 1323 | 1514 | |||
HIGHEST ANNUAL MEAN | 2825 | 1952 | ||||
LOWEST ANNUAL MEAN | 749 | 1958 | ||||
HIGHEST DAILY MEAN | 6840 | Jun 4 | 6810 | Feb 16 | 15200 | Jan 8 1946 |
LOWEST DAILY MEAN | 620 A | Dec 17 | 549 | Sep 14 | 335 | B |
ANNUAL SEVEN-DAY MINIMUM | 666 | Dec 16 | 567 | Sep 10 | 366 | Sep 10 1958 |
MAXIMUM PEAK FLOW | 8380 C | Feb 16 | 16600 | Apr 4 1959 | ||
MAXIMUM PEAK STAGE | 13.86 D | Feb 18 | 17.45 E | Apr 4 1959 | ||
INSTANTANEOUS LOW FLOW | 388 | Sep 18 | F | |||
ANNUAL RUNOFF (CFSM) | 0.770 | 0.518 | 0.592 | |||
ANNUAL RUNOFF (INCHES) | 10.48 | 7.03 | 8.05 | |||
10 PERCENT EXCEEDS | 3840 | 2290 | 2900 | |||
50 PERCENT EXCEEDS | 1530 | 1020 | 1010 | |||
90 PERCENT EXCEEDS | 867 | 703 | 594 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |