LOCATION.-- Lat 41°57'51", long 87°59'02" (NAD of 1927), in SW1/4SE1/4 sec.9, T.40 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on downstream side of bridge on Irving Park Road and at mile 27.6. |
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DRAINAGE AREA.-- 74.7 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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STAGE: October 1999 to current year. |
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PARTIAL RECORD: Discharge measurements, water year 2000. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 663.00 ft above NGVD of 1929. |
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REMARKS.--Some regulation by sewage-treatment plants in upstream watershed. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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STAGE: Maximum gage height, 14.15 ft, Oct. 14, 2001; minimum, 5.88, July 1, 2001. |
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EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 12.30 ft, May 31; minimum, 5.99 ft, September 29. |
Gage height, feet, 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 | 6.36 | 6.33 | 6.73 | 6.64 | 6.36 | 7.25 | 8.04 | 6.80 | 11.68 | 6.47 | 6.31 | 6.90 |
2 | 6.33 | 6.84 | 6.60 | 6.61 | 6.44 | 7.63 | 7.61 | 6.73 | 9.80 | 6.43 | 6.33 | 6.69 |
3 | 6.47 | 9.02 | 6.61 | 6.67 | 6.41 | 7.45 | 7.38 | 6.68 | 8.79 | 6.85 | 6.37 | 6.56 |
4 | 6.57 | 9.14 | 6.60 | 6.68 | 6.47 | 7.50 | 7.16 | 6.62 | 8.19 | 8.19 | 8.12 | 6.47 |
5 | 6.49 | 10.32 | 7.07 | 6.77 | 6.42 | 10.57 | 7.01 | 6.60 | 7.79 | 7.54 | 7.83 | 6.50 |
6 | 6.44 | 9.42 | 7.09 | 6.67 | 6.47 | 11.46 | 6.97 | 6.54 | 7.43 | 7.11 | 7.24 | 6.45 |
7 | 6.40 | 8.02 | 6.92 | 6.63 | 6.48 | 10.19 | 7.07 | 6.53 | 7.03 | 6.90 | 6.94 | 6.43 |
8 | 6.35 | 7.35 | 6.81 | 6.55 | 6.46 | 8.65 | 6.88 | 6.48 | 6.94 | 6.71 | 6.76 | 6.51 |
9 | 6.31 | 7.04 | 6.90 | 6.51 | 6.47 | 7.97 | 6.76 | 6.47 | 6.84 | 6.78 | 6.55 | 6.46 |
10 | 6.32 | 6.87 | 9.45 | 6.53 | 6.42 | 7.64 | 6.72 | 6.73 | 7.67 | 7.45 | 6.49 | 6.37 |
11 | 6.29 | 6.79 | 10.39 | 6.52 | 6.44 | 7.57 | 6.70 | 7.23 | 9.40 | 7.26 | 6.41 | 6.32 |
12 | 6.32 | 6.77 | 9.16 | 6.59 | 6.44 | 7.62 | 6.66 | 7.04 | 10.35 | 7.04 | 6.38 | 6.33 |
13 | 6.32 | 6.66 | 8.11 | 6.61 | 6.42 | 7.04 | 6.63 | 7.82 | 10.70 | 6.84 | 6.37 | 6.29 |
14 | 7.35 | 6.49 | 7.61 | 6.59 | 6.42 | 7.07 | 6.68 | 9.28 | 9.29 | 6.68 | 6.35 | 6.30 |
15 | 7.62 | 6.49 | 7.33 | 6.56 | 6.40 | 7.00 | 6.72 | 9.56 | 8.30 | 6.60 | 6.35 | 6.44 |
16 | 7.05 | 6.50 | 7.16 | 6.54 | 6.39 | 6.92 | 6.64 | 8.31 | 7.72 | 6.49 | 6.35 | 6.42 |
17 | 6.72 | 6.51 | 7.04 | 6.56 | 6.41 | 6.91 | 6.60 | 7.51 | 7.31 | 6.39 | 6.36 | 6.39 |
18 | 6.55 | 8.72 | 6.94 | 6.61 | 6.42 | 7.07 | 6.55 | 8.55 | 7.07 | 6.40 | 6.38 | 6.32 |
19 | 6.50 | 10.02 | 6.86 | 6.57 | 6.43 | 7.44 | 6.57 | 8.64 | 6.87 | 6.38 | 6.67 | 6.34 |
20 | 6.45 | 8.78 | 6.77 | 6.52 | 6.89 | 7.43 | 6.68 | 8.01 | 6.71 | 6.37 | 6.50 | 6.34 |
21 | 6.41 | 7.80 | 6.73 | 6.51 | 7.61 | 7.17 | 7.19 | 8.91 | 7.15 | 6.44 | 6.42 | 6.35 |
22 | 6.37 | 7.32 | 6.70 | 6.44 | 7.68 | 6.90 | 6.98 | 10.84 | 7.82 | 6.64 | 6.35 | 6.31 |
23 | 6.34 | 7.34 | 6.64 | 6.43 | 7.71 | 6.83 | 6.80 | 11.39 | 7.37 | 6.63 | 6.36 | 6.32 |
24 | 6.33 | 8.13 | 6.67 | 6.41 | 7.97 | 7.38 | 6.78 | 9.84 | 7.10 | 6.50 | 6.56 | 6.32 |
25 | 6.48 | 7.64 | 6.59 | 6.42 | 7.83 | 7.87 | 7.41 | 8.59 | 6.89 | 6.41 | 6.51 | 6.29 |
26 | 6.46 | 7.29 | 6.55 | 6.44 | 7.61 | 8.57 | 7.27 | 8.29 | 6.78 | 6.42 | 6.62 | 6.29 |
27 | 6.42 | 7.11 | 6.53 | 6.43 | 7.41 | 8.68 | 7.06 | 7.85 | 6.63 | 6.35 | 6.79 | 6.33 |
28 | 6.43 | 6.93 | 6.72 | 6.44 | 7.21 | 8.44 | 6.78 | 7.56 | 6.63 | 6.35 | 8.94 | 6.29 |
29 | 6.40 | 6.83 | 6.84 | 6.43 | 7.10 | 10.55 | 6.71 | 7.34 | 6.55 | 6.36 | 8.76 | 6.23 |
30 | 6.39 | 6.77 | 6.78 | 6.36 | --- | 10.10 | 6.70 | 8.69 | 6.53 | 6.35 | 7.70 | 6.34 |
31 | 6.41 | --- | 6.71 | 6.42 | --- | 8.84 | --- | 11.96 | --- | 6.31 | 7.18 | --- |
MEAN | 6.50 | 7.57 | 7.15 | 6.54 | 6.80 | 8.06 | 6.92 | 8.04 | 7.84 | 6.70 | 6.81 | 6.40 |
MAX | 7.62 | 10.32 | 10.39 | 6.77 | 7.97 | 11.46 | 8.04 | 11.96 | 11.68 | 8.19 | 8.94 | 6.90 |
MIN | 6.29 | 6.33 | 6.53 | 6.36 | 6.36 | 6.83 | 6.55 | 6.47 | 6.53 | 6.31 | 6.31 | 6.23 |
CAL YR 2003 | MEAN 6.99 | MAX 11.90 | MIN 6.29 |
WTR YR 2004 | MEAN 7.11 | MAX 11.96 | MIN 6.23 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |