LOCATION.-- Lat 41°57'50", long 87°59'02" (NAD of 1983), 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. | |
DRAINAGE AREA.-- 74.7 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
STAGE: October 1999 to current year. | |
PARTIAL RECORD: Discharge measurements, water year 2000. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 663.00 ft above NGVD of 1929 (662.71 ft NAVD 1988). | |
REMARKS.--Some regulation by sewage-treatment plants in upstream watershed. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
STAGE: Maximum gage height, 14.15 ft, Oct. 14, 2001; minimum, 5.88, July 1, 2001. | |
EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 12.11 ft, Jan. 13, 14; minimum, 6.10 ft, July 2. |
Gage height, feet, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 6.34 | 7.25 | 7.90 | 6.65 | 6.56 | 7.60 | 7.47 | 6.58 | 6.37 | 6.29 | 6.39 | 6.33 |
2 | 6.44 | 8.18 | 7.61 | 7.35 | 6.56 | 7.57 | 8.93 | 6.53 | 6.39 | 6.21 | 6.31 | 6.27 |
3 | 6.33 | 7.54 | 7.29 | 7.70 | 6.64 | 7.13 | 8.75 | 6.50 | 6.38 | 6.25 | 6.31 | 6.23 |
4 | 6.35 | 7.84 | 7.08 | 7.81 | 6.74 | 7.26 | 8.03 | 6.49 | 6.54 | 6.37 | 6.31 | 6.25 |
5 | 6.33 | 7.73 | 7.01 | 7.56 | 7.01 | 7.06 | 7.57 | 6.48 | 6.55 | 6.44 | 6.33 | 6.24 |
6 | 6.30 | 7.24 | 7.57 | 7.43 | 7.56 | 7.18 | 7.33 | 6.48 | 6.51 | 6.43 | 6.28 | 6.30 |
7 | 6.27 | 6.98 | 8.80 | 7.23 | 8.53 | 7.07 | 7.16 | 6.49 | 6.40 | 6.37 | 6.31 | 6.27 |
8 | 6.76 | 6.73 | 9.69 | 7.12 | 9.01 | 7.23 | 7.01 | 6.44 | 6.38 | 6.32 | 6.25 | 6.30 |
9 | 6.98 | 6.61 | 8.55 | 6.98 | 8.45 | 7.02 | 6.88 | 6.48 | 6.34 | 6.30 | 6.28 | 6.31 |
10 | 6.98 | 6.60 | 7.80 | 6.93 | 8.06 | 7.08 | 6.83 | 6.51 | 6.34 | 6.30 | 6.27 | 6.28 |
11 | 6.65 | 6.57 | 7.55 | 7.12 | 7.74 | 7.04 | 6.76 | 6.89 | 6.33 | 6.31 | 6.35 | 6.26 |
12 | 6.55 | 6.50 | 7.32 | 8.38 | 7.64 | 7.09 | 7.33 | 6.96 | 6.28 | 6.30 | 6.99 | 6.31 |
13 | 6.49 | 6.47 | 7.12 | 11.37 | 7.90 | 6.94 | 8.11 | 6.87 | 6.31 | 6.30 | 7.00 | 6.26 |
14 | 6.46 | 6.47 | 6.86 | 11.63 | 9.56 | 6.86 | 7.64 | 6.86 | 6.34 | 6.32 | 6.70 | 6.33 |
15 | 6.50 | 6.45 | 6.81 | 9.97 | 9.81 | 6.87 | 7.28 | 6.70 | 6.30 | 6.28 | 6.72 | 6.31 |
16 | 6.45 | 6.52 | 6.73 | 8.36 | 9.34 | 6.69 | 7.07 | 6.60 | 6.28 | 6.25 | 6.64 | 6.50 |
17 | 6.41 | 6.52 | 6.70 | 7.67 | 8.67 | 6.67 | 6.95 | 6.52 | 6.28 | 6.28 | 6.41 | 6.40 |
18 | 6.41 | 6.56 | --- | 7.35 | 8.11 | 6.72 | 6.84 | 6.43 | 6.31 | 6.29 | 6.58 | 6.36 |
19 | 6.38 | 7.18 | 6.61 | 7.23 | 7.58 | 6.79 | 6.80 | 7.50 | 6.23 | 6.31 | 6.98 | 6.62 |
20 | 6.36 | 7.39 | 6.60 | 6.99 | 7.51 | 7.03 | 6.73 | 8.08 | 6.28 | 6.49 | 8.60 | 6.51 |
21 | 6.37 | 7.06 | 6.57 | 7.01 | 7.91 | 7.17 | 6.65 | 7.82 | 6.22 | 6.54 | 8.42 | 6.43 |
22 | 6.35 | 6.87 | --- | 7.20 | 7.76 | 7.11 | 7.19 | 7.54 | 6.29 | 6.47 | 7.41 | 6.61 |
23 | 7.57 | 6.77 | --- | 7.05 | 7.51 | 7.04 | 7.50 | 7.10 | 6.27 | 6.41 | 6.95 | 7.08 |
24 | 7.63 | 6.81 | 6.50 | 6.86 | 7.23 | 6.83 | 7.17 | 6.81 | 6.26 | 6.36 | 6.68 | 6.97 |
25 | 7.14 | 7.15 | 6.42 | 6.83 | 7.12 | 7.00 | 6.85 | 6.66 | 6.25 | 6.46 | 6.57 | 6.86 |
26 | 6.79 | 7.22 | 6.41 | 6.87 | 7.25 | 6.97 | 6.74 | 6.56 | 6.26 | 6.80 | 6.51 | 6.88 |
27 | 6.63 | 8.00 | 6.44 | 6.81 | 6.93 | 6.89 | 6.68 | 6.53 | 6.34 | 7.01 | 6.45 | 6.73 |
28 | 6.57 | 8.44 | 6.48 | 6.65 | 7.76 | 6.81 | 6.84 | 6.46 | 6.28 | 6.72 | 6.42 | 6.72 |
29 | 6.90 | 7.86 | 6.43 | 6.61 | --- | 6.81 | 6.86 | 6.46 | 6.29 | 6.51 | 6.38 | 6.96 |
30 | 6.94 | 7.57 | 6.43 | 6.59 | --- | 6.94 | 6.63 | 6.41 | 6.31 | 6.41 | 6.36 | 6.75 |
31 | 6.75 | --- | 6.58 | 6.60 | --- | 7.48 | --- | 6.45 | --- | 6.35 | 6.36 | --- |
MEAN | 6.63 | 7.10 | --- | 7.55 | 7.80 | 7.03 | 7.22 | 6.75 | 6.33 | 6.40 | 6.66 | 6.49 |
MAX | 7.63 | 8.44 | --- | 11.63 | 9.81 | 7.60 | 8.93 | 8.08 | 6.55 | 7.01 | 8.60 | 7.08 |
MIN | 6.27 | 6.45 | --- | 6.59 | 6.56 | 6.67 | 6.63 | 6.41 | 6.22 | 6.21 | 6.25 | 6.23 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |