LOCATION.-- Lat 41°48'07", long 88°04'08" (NAD of 1927), in SW1/4SW1/4 sec.2, T.38 N., R.10 E., Du Page County, Hydrologic Unit 07120004, on downstream side of bridge on U.S. Highway 34 (Ogden Avenue) in Lisle, and 0.8 mi upstream from confluence of East Branch Du Page River and at mile 0.8. | |
DRAINAGE AREA.-- 11.1 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1988 to current year. | |
STAGE: Water years 1994-2002. | |
PRECIPITATION: July 1989 to September 1998. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 660.00 ft above NGVD of 1929. | |
REMARKS.--For precipitation records, snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable error. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,280 ft3/s, July 18, 1996, gage height, 12.89 ft; no flow at times in most years. | |
PRECIPITATION: Maximum recorded, 3.95 in., July 17, 1996 but may have been greater during periods of missing record. | |
REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharge, which are poor. | |
| DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 2.3 | 4.6 | 5.8 | e0.94 | 5.9 | 3.3 | 5.8 | 7.0 | 1.0 | 0.00 | 0.02 | 0.18 |
| 2 | 2.5 | 4.3 | 3.4 | e0.91 | 3.0 | 9.1 | 18 | 12 | 0.86 | 0.00 | 0.06 | 4.9 |
| 3 | 2.3 | 4.2 | 2.6 | 0.87 | 2.3 | 11 | 9.3 | 5.0 | 1.5 | 0.00 | 0.00 | 0.71 |
| 4 | 26 | 4.3 | 2.0 | 0.88 | 1.9 | 7.9 | 6.6 | 3.8 | 60 | 0.06 | 7.3 | 0.21 |
| 5 | 61 | 4.7 | 1.9 | 0.85 | 1.6 | 6.5 | 4.8 | 2.5 | 19 | 0.26 | 15 | 0.03 |
| 6 | 13 | 5.2 | 1.9 | 0.85 | 1.5 | 12 | 3.3 | 9.2 | 7.2 | 0.00 | 3.8 | 0.00 |
| 7 | 6.9 | 5.1 | 1.4 | 0.85 | 1.8 | 17 | 15 | 3.9 | 4.6 | 0.00 | 1.2 | 0.00 |
| 8 | 4.6 | 4.9 | 1.4 | 0.85 | 3.3 | 71 | 71 | 4.4 | 2.9 | 0.00 | 0.43 | 0.0 |
| 9 | 3.4 | 4.5 | 1.2 | 0.85 | 9.5 | 93 | 83 | 12 | 1.9 | 88 | 0.16 | 0.04 |
| 10 | 5.3 | 4.4 | 1.1 | 0.82 | 16 | 26 | 22 | 4.3 | 11 | 9.7 | 0.06 | 0.11 |
| 11 | 4.9 | 4.0 | 0.91 | 0.74 | 9.7 | 14 | 12 | 106 | 14 | 4.4 | 0.0 | 1.1 |
| 12 | 28 | 3.6 | 3.2 | 0.77 | 7.1 | 11 | 10 | 184 | 5.2 | 2.2 | 0.35 | 0.07 |
| 13 | 284 | 3.5 | 11 | 0.73 | 5.5 | 8.1 | 7.6 | 38 | 6.5 | 1.2 | 19 | 0.00 |
| 14 | 185 | 8.5 | 3.5 | 0.72 | 4.4 | 6.8 | 6.5 | 17 | 19 | 0.89 | 3.8 | 0.00 |
| 15 | 48 | 1.5 | 2.2 | 0.64 | 4.7 | 6.2 | 4.3 | 11 | 8.0 | 0.77 | 0.58 | 0.00 |
| 16 | 19 | 1.2 | 2.6 | 0.41 | 4.1 | 4.5 | 2.8 | 42 | 3.8 | 0.49 | 0.89 | 0.00 |
| 17 | 12 | 1.1 | 6.5 | 0.83 | 3.1 | 3.2 | 12 | 21 | 2.8 | 0.25 | 0.22 | 0.00 |
| 18 | 9.5 | 1.4 | 3.3 | 0.80 | 2.5 | 2.8 | 4.6 | 11 | 2.0 | 0.20 | 0.02 | 9.8 |
| 19 | 8.1 | 4.3 | 4.6 | 0.73 | 20 | 2.6 | 11 | 7.8 | 1.2 | 0.02 | 2.1 | 12 |
| 20 | 6.7 | 1.5 | 2.6 | 0.78 | 39 | 2.9 | 47 | 6.2 | 0.96 | 0.00 | 0.53 | 11 |
| 21 | 6.3 | 1.3 | 1.9 | 0.87 | 21 | 2.4 | 23 | 4.3 | 0.49 | 0.00 | 0.23 | 3.6 |
| 22 | 7.5 | 1.2 | 3.0 | 1.2 | 11 | 2.0 | 12 | 3.5 | 0.34 | 0.00 | 109 | 4.3 |
| 23 | 46 | 1.1 | 3.1 | 1.8 | 7.9 | 2.0 | 7.6 | 2.9 | 0.50 | 0.00 | 30 | 1.5 |
| 24 | 55 | 7.6 | 1.8 | 1.6 | 6.7 | 1.8 | 17 | 5.5 | 0.37 | 0.00 | 18 | 0.79 |
| 25 | 25 | 13 | 1.5 | 1.2 | 5.8 | 2.0 | 11 | 6.3 | 0.49 | 0.02 | 6.7 | 0.56 |
| 26 | 12 | 3.8 | 1.4 | 1.7 | 6.4 | 2.3 | 6.6 | 3.2 | 0.70 | 0.25 | 4.0 | 0.31 |
| 27 | 8.1 | 3.9 | 1.3 | 1.4 | 5.5 | 2.1 | 28 | 2.0 | 0.23 | 5.4 | 1.9 | 0.34 |
| 28 | 6.4 | 2.3 | 1.3 | 1.0 | 3.9 | 1.7 | 29 | 1.8 | 0.01 | 0.30 | 1.1 | 0.33 |
| 29 | 5.4 | 5.5 | 1.1 | 0.92 | --- | 17 | 11 | 1.6 | 0.00 | 4.9 | 0.79 | 1.8 |
| 30 | 4.2 | 15 | e0.99 | 1.6 | --- | 7.4 | 7.5 | 1.4 | 0.00 | 0.50 | 0.41 | 0.38 |
| 31 | 3.8 | --- | e0.97 | 3.9 | --- | 5.1 | --- | 1.2 | --- | 0.13 | 0.23 | --- |
| TOTAL | 912.2 | 131.5 | 81.47 | 33.01 | 215.1 | 364.7 | 509.3 | 541.8 | 176.55 | 119.94 | 227.88 | 54.06 |
| MEAN | 29.43 | 4.383 | 2.628 | 1.065 | 7.682 | 11.76 | 16.98 | 17.48 | 5.885 | 3.869 | 7.351 | 1.802 |
| MAX | 284 | 15 | 11 | 3.9 | 39 | 93 | 83 | 184 | 60 | 88 | 109 | 12 |
| MIN | 2.3 | 1.1 | 0.91 | 0.41 | 1.5 | 1.7 | 2.8 | 1.2 | 0.00 | 0.00 | 0.00 | 0.00 |
| CFSM | 2.65 | 0.39 | 0.24 | 0.10 | 0.69 | 1.06 | 1.53 | 1.57 | 0.53 | 0.35 | 0.66 | 0.16 |
| IN. | 3.06 | 0.44 | 0.27 | 0.11 | 0.72 | 1.22 | 1.71 | 1.82 | 0.59 | 0.40 | 0.76 | 0.18 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2002, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 7.259 | 9.265 | 4.842 | 7.961 | 10.77 | 10.85 | 13.95 | 12.92 | 9.870 | 6.968 | 6.581 | 5.777 |
| MAX | 29.4 | 24.8 | 15.1 | 22.8 | 43.2 | 25.1 | 30.6 | 37.7 | 27.6 | 28.9 | 15.5 | 12.2 |
| (WY) | 2002 | 1991 | 1993 | 1999 | 1997 | 1990 | 1999 | 1990 | 1993 | 1996 | 1997 | 1992 |
| MIN | 1.16 | 0.84 | 0.66 | 1.06 | 1.35 | 2.41 | 3.56 | 0.67 | 0.50 | 0.67 | 0.97 | 0.046 |
| (WY) | 2000 | 2000 | 1990 | 2002 | 1989 | 2000 | 1994 | 1994 | 1992 | 1991 | 1991 | 1995 |
| SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1989 - 2002 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 3961.57 | 3367.51 | ||||
| ANNUAL MEAN | 10.85 | 9.226 | 8.896 | |||
| HIGHEST ANNUAL MEAN | 12.4 | 1993 | ||||
| LOWEST ANNUAL MEAN | 4.79 | 1994 | ||||
| HIGHEST DAILY MEAN | 284 | Oct 13 | 284 | Oct 13 | 638 | Feb 21 1997 |
| LOWEST DAILY MEAN | 0.03 | A | 0.00 | B | 0.00 | C |
| ANNUAL SEVEN-DAY MINIMUM | 0.04 | Jul 10 | 0.01 | Jul 19 | 0.00 | Aug 19 1992 |
| MAXIMUM PEAK FLOW | 796 | Oct 13 | 1280 | Jul 18 1996 | ||
| MAXIMUM PEAK STAGE | 10.58 | Oct 13 | 12.89 | Jul 18 1996 | ||
| ANNUAL RUNOFF (CFSM) | 0.98 | 0.83 | 0.80 | |||
| ANNUAL RUNOFF (INCHES) | 13.28 | 11.29 | 10.89 | |||
| 10 PERCENT EXCEEDS | 23 | 18 | 18 | |||
| 50 PERCENT EXCEEDS | 4.2 | 3.2 | 2.9 | |||
| 90 PERCENT EXCEEDS | 1.1 | 0.15 | 0.26 | |||