LOCATION.-- Lat 41°44'27", long 88°23'00" (NAD of 1927), in NW1/4SE1/4 sec.25, T.38 N., R.7 E., Kane County, Hydrologic Unit 07120007, on right bank at bridge on Jericho Rd., 1.0 mi west of Montgomery, and at mile 13.0. |
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DRAINAGE AREA.-- 55.0 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: June 1998 to current year. |
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STAGE: Water years 1998 to current year. |
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PRECIPITATION: October 1999 to current year. |
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GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 654.00 ft above NGVD of 1929. |
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REMARKS.-- Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,040 ft3/s, Apr. 23, 1999, gage height, 8.61 ft; minimum, 0.16 ft3/s, Sept. 6,7, 2003. |
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PRECIPITATION: Maximum daily total, 2.62 in, October 13, 2001. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum measured, 1,170 ft3/s, Feb. 22, 1997, gage height unknown. |
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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 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 5.3 | 23 | 17 | e22 | e12 | 29 | 110 | 24 | 394 | 29 | 10 | 13 |
2 | 5.8 | 27 | 15 | e20 | e12 | 37 | 86 | 24 | 247 | 27 | 9.5 | 11 |
3 | 6.2 | 64 | 14 | e20 | e12 | 35 | 68 | 22 | 167 | 27 | 9.8 | 9.8 |
4 | 8.6 | 65 | 16 | e20 | e12 | 36 | 55 | 22 | 102 | 29 | 25 | 9.2 |
5 | 8.0 | 100 | 24 | e18 | e12 | 147 | 50 | 23 | 84 | 28 | 23 | 8.4 |
6 | 5.0 | 60 | 24 | e14 | e12 | 183 | 48 | 21 | 68 | 27 | 18 | 7.9 |
7 | 4.6 | 45 | 21 | e14 | e12 | 126 | 46 | 21 | 58 | 25 | 15 | 7.5 |
8 | 3.2 | 36 | 21 | e14 | e12 | 93 | 43 | 20 | 49 | 24 | 14 | 7.1 |
9 | 4.2 | 27 | 26 | e14 | e12 | 76 | 39 | 20 | 43 | 31 | 12 | 6.3 |
10 | 6.4 | 22 | 143 | e14 | e12 | 62 | 35 | 19 | 43 | 46 | 11 | 6.1 |
11 | 4.5 | 23 | 209 | e13 | e12 | 56 | 34 | 19 | 71 | 36 | 11 | 5.9 |
12 | 3.7 | 23 | 140 | e13 | e12 | 47 | 33 | 19 | 520 | 31 | 10 | 5.9 |
13 | 4.4 | 19 | 98 | e13 | e12 | 43 | 31 | 24 | 768 | 27 | 9.6 | 5.7 |
14 | 25 | 16 | e68 | e12 | e12 | 43 | 29 | 44 | 465 | 25 | 9.6 | 5.3 |
15 | 31 | 18 | e54 | e12 | e12 | 41 | 27 | 67 | 244 | 22 | 8.9 | 5.6 |
16 | 24 | 19 | e45 | e11 | e12 | 41 | 27 | 51 | 173 | 21 | 8.5 | 7.5 |
17 | 20 | 19 | e37 | e11 | e12 | 41 | 26 | 40 | 123 | 19 | 9.1 | 6.9 |
18 | 15 | 66 | e31 | e11 | e12 | 40 | 24 | 37 | 98 | 17 | 9.8 | 6.2 |
19 | 9.7 | 91 | e27 | e11 | e12 | 40 | 26 | 35 | 81 | 16 | 11 | 6.0 |
20 | 11 | 65 | e24 | e10 | e15 | 40 | 36 | 32 | 68 | 17 | 9.6 | 6.3 |
21 | 14 | 48 | e26 | e10 | e26 | 36 | 39 | 35 | 66 | 17 | 8.4 | 6.0 |
22 | 16 | 37 | e24 | e10 | e40 | 33 | 29 | 107 | 79 | 18 | 7.8 | 6.2 |
23 | 17 | 32 | e21 | e10 | e50 | 32 | 26 | 115 | 67 | 17 | 8.0 | 5.9 |
24 | 24 | 37 | e20 | e10 | e66 | 40 | 25 | 81 | 57 | 14 | 8.0 | 5.7 |
25 | 31 | 33 | e18 | e10 | 37 | 58 | 34 | 63 | 52 | 13 | 9.2 | 5.7 |
26 | 31 | 31 | e19 | e11 | 30 | 89 | 36 | 52 | 46 | 13 | 12 | 6.1 |
27 | 28 | 27 | e19 | e11 | 25 | 120 | 31 | 44 | 41 | 11 | 18 | 5.6 |
28 | 25 | 24 | e21 | e11 | 25 | 103 | 35 | 37 | 38 | 11 | 26 | 5.7 |
29 | 23 | 21 | e23 | e12 | 25 | 169 | 33 | 32 | 34 | 10 | 26 | 4.9 |
30 | 24 | 20 | e24 | e12 | --- | 153 | 25 | 101 | 32 | 11 | 20 | 4.6 |
31 | 21 | --- | e21 | e12 | --- | 143 | --- | 328 | --- | 11 | 16 | --- |
TOTAL | 459.6 | 1138 | 1290 | 406 | 567 | 2232 | 1186 | 1579 | 4378 | 670 | 403.8 | 204.0 |
MEAN | 14.8 | 37.9 | 41.6 | 13.1 | 19.6 | 72.0 | 39.5 | 50.9 | 146 | 21.6 | 13.0 | 6.80 |
MAX | 31 | 100 | 209 | 22 | 66 | 183 | 110 | 328 | 768 | 46 | 26 | 13 |
MIN | 3.2 | 16 | 14 | 10 | 12 | 29 | 24 | 19 | 32 | 10 | 7.8 | 4.6 |
CFSM | 0.27 | 0.69 | 0.76 | 0.24 | 0.36 | 1.31 | 0.72 | 0.93 | 2.65 | 0.39 | 0.24 | 0.12 |
IN. | 0.31 | 0.77 | 0.87 | 0.27 | 0.38 | 1.51 | 0.80 | 1.07 | 2.96 | 0.45 | 0.27 | 0.14 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 38.5 | 32.6 | 27.3 | 30.7 | 52.0 | 51.2 | 66.3 | 68.2 | 73.1 | 36.2 | 21.5 | 13.2 |
MAX | 86.5 | 53.2 | 41.6 | 106 | 137 | 72.5 | 156 | 107 | 146 | 90.8 | 35.4 | 26.8 |
(WY) | 2002 | 2001 | 2004 | 1999 | 2001 | 2001 | 1999 | 2002 | 2004 | 1998 | 2000 | 2001 |
MIN | 11.6 | 9.69 | 6.87 | 7.99 | 10.2 | 18.8 | 32.6 | 27.6 | 24.7 | 10.6 | 5.80 | 2.21 |
(WY) | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2001 | 2003 | 2001 | 2001 | 2003 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1998 - 2004 | |||
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ANNUAL TOTAL | 10636.32 | 14513.4 | ||||
ANNUAL MEAN | 29.1 | 39.7 | 41.5 | |||
HIGHEST ANNUAL MEAN | 64.6 | 1999 | ||||
LOWEST ANNUAL MEAN | 23.6 | 2003 | ||||
HIGHEST DAILY MEAN | 305 | May 10 | 768 | Jun 13 | 768 | Jun 13 2004 |
LOWEST DAILY MEAN | 0.46 | Sep 6 | 3.2 | Oct 8 | 0.46 | Sep 6 2003 |
ANNUAL SEVEN-DAY MINIMUM | 0.96 | Sep 6 | 4.4 | Oct 7 | 0.96 | Sep 6 2003 |
MAXIMUM PEAK FLOW | 822 | Jun 13 | 1040 | Apr 23 1999 | ||
MAXIMUM PEAK STAGE | 8.12 | Jun 13 | 8.61 | Apr 23 1999 | ||
INSTANTANEOUS LOW FLOW | 2.7 | Oct 8 | 0.16 | A | ||
ANNUAL RUNOFF (CFSM) | 0.530 | 0.721 | 0.756 | |||
ANNUAL RUNOFF (INCHES) | 7.20 | 9.82 | 10.27 | |||
10 PERCENT EXCEEDS | 65 | 80 | 83 | |||
50 PERCENT EXCEEDS | 19 | 24 | 24 | |||
90 PERCENT EXCEEDS | 4.5 | 7.9 | 8.4 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |