LOCATION.-- Lat 42°28'44", long 90°29'10" (NAD of 1927), in SE1/4SE1/4 sec.28, T.29 N., R.1 W., Jo Daviess County, Hydrologic Unit 07060005, on left bank at downstream side of bridge on High Ridge Road, 2.4 mi east of Menominee, 4.5 mi northwest of Galena, and at mile 7.0. |
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DRAINAGE AREA.-- 39.6 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1967 to current year. |
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STAGE: Water years 1994 to current year. |
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REVISED RECORDS.-- WDR IL-74-1: Drainage area. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 640.75 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge 17,000 ft3/s, May 17, 1999, gage height, 14.37 ft, on basis of contracted-opening and flow-over-road measurement of peak flow; no flow for part of Dec. 25, 1988, result of freezeup. |
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REMARKS FOR CURRENT YEAR.-- Records good except those above 300 ft3/s, which are fair, those for October 1 - December 11, and those for 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 | 24 | 22 | 24 | 17 | e16 | 15 | 14 | 86 | 16 | 14 | 13 | 13 |
2 | 86 | 21 | 24 | 17 | 20 | 15 | 14 | 26 | 16 | 14 | 13 | 12 |
3 | 32 | 22 | 24 | 17 | 25 | 15 | 14 | 22 | 17 | 14 | 13 | 12 |
4 | 258 | 23 | 25 | 17 | 19 | 15 | 15 | 21 | 16 | 14 | 14 | 12 |
5 | 54 | 23 | 25 | 18 | e17 | 16 | 15 | 25 | 15 | 86 | 13 | 12 |
6 | 38 | 23 | 25 | 17 | e15 | 15 | 13 | 21 | 16 | 24 | 13 | 12 |
7 | 33 | 22 | 27 | 17 | e14 | 15 | 15 | 25 | 17 | 19 | 13 | 12 |
8 | 29 | 22 | 26 | 18 | e14 | 15 | 15 | 22 | 20 | 73 | 13 | 12 |
9 | 27 | 22 | 25 | 19 | e14 | 15 | 15 | 47 | 17 | 41 | 13 | 11 |
10 | 26 | 22 | 27 | 14 | e14 | 15 | 15 | 27 | 17 | 24 | 13 | 11 |
11 | 25 | 22 | 24 | 17 | e14 | 16 | 16 | 25 | 16 | 21 | 13 | 11 |
12 | 24 | 21 | 20 | 17 | e14 | 71 | 15 | 22 | 16 | 19 | 13 | 12 |
13 | 24 | 20 | 19 | 17 | e14 | 51 | 14 | 20 | 16 | 17 | 13 | 28 |
14 | 23 | 20 | 19 | 17 | e14 | 22 | 14 | 50 | 15 | 17 | 13 | 42 |
15 | 23 | 21 | 19 | 16 | e14 | 19 | 14 | 35 | 14 | 16 | 13 | 18 |
16 | 23 | 20 | 19 | 17 | e15 | 17 | 14 | 27 | 14 | 15 | 13 | 13 |
17 | 23 | 19 | 19 | 16 | e16 | 18 | 14 | 24 | 14 | 15 | 12 | 13 |
18 | 23 | 20 | 24 | 17 | 19 | 17 | 14 | 23 | 14 | 15 | 12 | 12 |
19 | 22 | 19 | 23 | 17 | 22 | 17 | 15 | 22 | 14 | 14 | 12 | 12 |
20 | 22 | 20 | 20 | 17 | 20 | 19 | 17 | 21 | 13 | 15 | 12 | 12 |
21 | 22 | 20 | 19 | 16 | 21 | 17 | 15 | 19 | 13 | 15 | 13 | 12 |
22 | 21 | 19 | 19 | 16 | 19 | 16 | 14 | 19 | 13 | 14 | 12 | 13 |
23 | 20 | 20 | 18 | 13 | 19 | 15 | 13 | 20 | 13 | 14 | 12 | 12 |
24 | 22 | 20 | 18 | e16 | 17 | 15 | 13 | 19 | 14 | 14 | 12 | 11 |
25 | 25 | 21 | 18 | e16 | 17 | 14 | 13 | 18 | 15 | 13 | 12 | 11 |
26 | 23 | 21 | 17 | e16 | 18 | 14 | 13 | 17 | 18 | 13 | 13 | 11 |
27 | 21 | 21 | 17 | e16 | 16 | 15 | 13 | 17 | 14 | 13 | 12 | 11 |
28 | 23 | 22 | 18 | e16 | 15 | 16 | 13 | 17 | 16 | 13 | 12 | 11 |
29 | 23 | 24 | 18 | e16 | --- | 15 | 13 | 16 | 17 | 13 | 12 | 10 |
30 | 21 | 24 | 19 | e16 | --- | 14 | 25 | 17 | 14 | 13 | 12 | 10 |
31 | 21 | --- | 18 | e16 | --- | 14 | --- | 17 | --- | 14 | 12 | --- |
TOTAL | 1081 | 636 | 657 | 512 | 472 | 583 | 437 | 787 | 460 | 636 | 391 | 404 |
MEAN | 34.9 | 21.2 | 21.2 | 16.5 | 16.9 | 18.8 | 14.6 | 25.4 | 15.3 | 20.5 | 12.6 | 13.5 |
MAX | 258 | 24 | 27 | 19 | 25 | 71 | 25 | 86 | 20 | 86 | 14 | 42 |
MIN | 20 | 19 | 17 | 13 | 14 | 14 | 13 | 16 | 13 | 13 | 12 | 10 |
CFSM | 0.88 | 0.54 | 0.54 | 0.42 | 0.43 | 0.47 | 0.37 | 0.64 | 0.39 | 0.52 | 0.32 | 0.34 |
IN. | 1.02 | 0.60 | 0.62 | 0.48 | 0.44 | 0.55 | 0.41 | 0.74 | 0.43 | 0.60 | 0.37 | 0.38 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 21.7 | 20.1 | 21.0 | 22.9 | 35.9 | 39.4 | 25.9 | 29.6 | 35.7 | 27.1 | 24.5 | 25.3 |
MAX | 99.7 | 49.3 | 76.0 | 88.3 | 116 | 151 | 101 | 139 | 102 | 136 | 100 | 122 |
(WY) | 1987 | 1994 | 1973 | 1974 | 1997 | 1975 | 1973 | 1999 | 1993 | 1993 | 1972 | 1986 |
MIN | 8.03 | 8.05 | 5.92 | 7.10 | 8.55 | 7.83 | 7.41 | 8.81 | 8.18 | 9.05 | 9.30 | 8.88 |
(WY) | 1991 | 1990 | 1990 | 1991 | 1990 | 1968 | 1990 | 1977 | 1977 | 1989 | 1971 | 1990 |
SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1968 - 2003 | |||
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ANNUAL TOTAL | 11311 | 7056 | ||||
ANNUAL MEAN | 31.0 | 19.3 | 27.4 | |||
HIGHEST ANNUAL MEAN | 57.5 | 1973 | ||||
LOWEST ANNUAL MEAN | 12.3 | 1990 | ||||
HIGHEST DAILY MEAN | 1330 | Jun 4 | 258 | Oct 4 | 2170 | May 17 1999 |
LOWEST DAILY MEAN | 14 | Feb 4 | 10 | Sep 29,30 | 4.8 | Jan 25 1991 |
ANNUAL SEVEN-DAY MINIMUM | 16 | Feb 1 | 11 | Sep 24 | 5.0 | Feb 22 1968 |
MAXIMUM PEAK FLOW | 841 | Oct 4 | 17000 A | May 17 1999 | ||
MAXIMUM PEAK STAGE | 7.51 | Oct 4 | 14.37 | May 17 1999 | ||
INSTANTANEOUS LOW FLOW | 3.1 | Jan 10,11 | 0.00 B | Dec 25 1988 | ||
ANNUAL RUNOFF (CFSM) | 0.78 | 0.49 | 0.69 | |||
ANNUAL RUNOFF (INCHES) | 10.63 | 6.63 | 9.39 | |||
10 PERCENT EXCEEDS | 29 | 25 | 39 | |||
50 PERCENT EXCEEDS | 22 | 17 | 18 | |||
90 PERCENT EXCEEDS | 17 | 13 | 9.7 |
A - On basis of contracted opening and flow-over-road measurement of peak flow. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |