Station list
05533400 SAWMILL CREEK NEAR LEMONT, IL
LOCATION.--Lat 41°42'28", long 87°57'45", in NE¼SW¼ sec.10, T.37 N., R.11 E., Du Page County, Hydrologic Unit 07120004,
on concrete abutment on right bank, 50 ft upstream from bridge on Bluff Road at south edge of Argonne National Laboratory,
2.5 mi northeast of Lemont, and at mile 1.
DRAINAGE AREA.--13.0 mi2
PERIOD OF RECORD.--Annual maximum, water years 1961-79. December 1985 to current year
REVISED RECORDS.--WDR IL-77-1: 1961-76(M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 630.00 ft above sea level. Oct. 11, 1961, to Sept. 30, 1976,
crest-stage gage on bridge 50 ft downstream at datum 11.22 ft higher.
REMARKS.--Records good except those for Jan. 5 to Sept. 30, which are fair, and those for estimated daily discharges, which are
poor. Gage-height telemeter and recording rain gage at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,070 ft3/s, July 18, 1996, gage height 17.53 ft.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
|
|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
|---|
| |
| 1 | .08 | 1.7 | 3.0 | 2.4 | 19 | 6.0 | 56 | 9.0 | 1.6 | 3.3 | .12 | 1.9
|
| 2 | .10 | 1.7 | 2.5 | 5.6 | 36 | 5.4 | 44 | 6.7 | 1.4 | 2.7 | .13 | 1.7
|
| 3 | .16 | 1.8 | 2.7 | 15 | 19 | 5.7 | 23 | 5.8 | 2.8 | 14 | .73 | 2.7
|
| 4 | .36 | 2.2 | 2.5 | 53 | 13 | 10 | 14 | 7.5 | 2.4 | 49 | 481 | 2.1
|
| 5 | .43 | 1.7 | 2.2 | 67 | 9.4 | 8.9 | 10 | 10 | 1.8 | 9.6 | 160 | 1.6
|
| |
| 6 | .22 | 3.9 | 2.0 | 58 | 8.1 | 7.3 | 8.7 | 15 | 1.6 | 4.8 | 51 | 2.2
|
| 7 | .31 | 2.5 | 1.8 | 38 | 7.3 | 6.3 | 12 | 384 | 1.3 | 130 | 43 | 160 |
| 8 | .31 | 2.1 | 1.8 | 59 | 6.6 | 50 | 62 | 140 | .56 | 36 | 28 | 27 |
| 9 | .91 | 1.7 | 2.0 | 52 | 5.9 | 70 | 53 | 50 | 31 | 14 | 13 | 9.4
|
| 10 | 1.0 | 1.5 | 5.1 | 25 | 6.6 | 41 | 25 | 27 | 10 | 7.3 | 8.4 | 5.2
|
| |
| 11 | .61 | 1.5 | 5.9 | 17 | 58 | 25 | 15 | 15 | 90 | 4.9 | 5.9 | 4.1
|
| 12 | .18 | 1.4 | 3.8 | 11 | 39 | 16 | 11 | 9.6 | 39 | 3.9 | 4.7 | 3.7
|
| 13 | 3.3 | 1.3 | 2.7 | 8.3 | 19 | 13 | 17 | 23 | 11 | 3.4 | 4.1 | 3.1
|
| 14 | 2.1 | 1.3 | 2.4 | 7.6 | 13 | 13 | 24 | 10 | 5.8 | 3.1 | 3.8 | 7.9
|
| 15 | 1.2 | 2.8 | 2.5 | 6.6 | 10 | 11 | 12 | 6.3 | 4.4 | 2.8 | 3.5 | 22 |
| |
| 16 | .94 | 3.3 | 2.7 | 6.1 | 11 | 12 | 11 | 4.8 | 3.7 | 2.5 | 3.2 | 7.4
|
| 17 | .62 | e2.2 | 2.6 | e6.0 | 30 | 69 | 8.1 | 4.0 | 3.5 | 2.1 | 2.9 | 4.9
|
| 18 | .43 | 1.6 | 2.4 | e5.7 | 36 | 167 | 6.5 | 3.6 | 6.4 | 2.1 | 2.6 | 3.7
|
| 19 | .32 | 1.7 | 2.4 | e5.1 | 19 | 74 | 5.7 | 3.3 | 12 | 8.2 | 2.3 | 3.2
|
| 20 | .25 | 1.6 | 2.2 | 4.7 | 15 | 39 | 20 | 3.2 | 3.8 | 3.3 | 2.1 | 3.5
|
| |
| 21 | .20 | 2.1 | 2.0 | 4.3 | 11 | 23 | 36 | 3.1 | 3.0 | 2.8 | 2.4 | 3.2
|
| 22 | .15 | 1.7 | 3.0 | 4.4 | 9.0 | 16 | 22 | 2.6 | 2.3 | 3.8 | 2.2 | 2.4
|
| 23 | .15 | 1.4 | 2.9 | 4.8 | 8.2 | 12 | 11 | 2.4 | 1.9 | 2.7 | 2.3 | 2.1
|
| 24 | 1.0 | 1.3 | 4.3 | 4.7 | 11 | 9.5 | 8.5 | 15 | 1.6 | 1.9 | 14 | 1.9
|
| 25 | 1.6 | 1.5 | 17 | 4.3 | 7.9 | 8.2 | 8.0 | 4.4 | 1.4 | 1.6 | 8.0 | 2.0
|
| |
| 26 | 13 | 1.8 | 7.9 | 4.2 | 6.9 | 7.9 | 20 | 3.2 | 130 | 1.3 | 3.5 | 1.9
|
| 27 | 28 | 11 | 4.3 | 4.5 | 7.7 | 6.8 | 16 | 2.6 | 29 | 1.2 | 2.7 | 2.6
|
| 28 | 3.9 | 15 | 3.2 | 5.3 | 6.2 | 14 | 8.4 | 5.0 | 13 | .99 | 10 | 2.1
|
| 29 | 2.5 | 8.2 | 3.1 | 9.0 | --- | 7.9 | 22 | 3.6 | 6.5 | .53 | 4.1 | 1.7
|
| 30 | 2.2 | 4.7 | 2.9 | 7.9 | --- | 6.3 | 12 | 2.6 | 5.1 | .15 | 3.0 | 9.7
|
| |
| 31 | 1.9 | --- | 2.5 | 8.3 | --- | 44 | --- | 2.0 | --- | .08 | 2.4 | --- |
| TOTAL | 68.43 | 88.2 | 108.3 | 514.8 | 448.8 | 805.2 | 601.9 | 784.3 | 427.86 | 324.05 | 875.08 | 306.9
|
| MEAN | 2.21 | 2.94 | 3.49 | 16.6 | 16.0 | 26.0 | 20.1 | 25.3 | 14.3 | 10.5 | 28.2 | 10.2
|
| MAX | 28 | 15 | 17 | 67 | 58 | 167 | 62 | 384 | 130 | 130 | 481 | 160
|
| MIN | .08 | 1.3 | 1.8 | 2.4 | 5.9 | 5.4 | 5.7 | 2.0 | .56 | .08 | .12 | 1.6
|
| CFSM | .17 | .23 | .27 | 1.28 | 1.23 | 2.00 | 1.54 | 1.95 | 1.10 | .80 | 2.17 | .79
|
| IN. | .20 | .25 | .31 | 1.47 | 1.28 | 2.30 | 1.72 | 2.24 | 1.22 | .93 | 2.50 | .88
|
e Estimated
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1998, BY WATER YEAR (WY)
|
|---|
| MEAN | 5.77 | 13.8 | 10.2 | 11.6 | 13.8 | 15.9 | 14.8 | 14.0 | 12.3 | 11.3 | 9.24 | 7.00
|
| MAX | 17.8 | 37.4 | 28.7 | 30.6 | 54.5 | 27.7 | 34.6 | 49.3 | 57.6 | 58.6 | 28.2 | 20.6
|
| (WY) | 1992 | 1991 | 1988 | 1993 | 1997 | 1990 | 1991 | 1990 | 1993 | 1996 | 1998 | 1989
|
| MIN | 1.11 | 2.94 | 1.03 | 2.78 | 2.08 | 3.83 | 5.30 | 1.25 | 1.02 | .14 | .50 | .095
|
| (WY) | 1993 | 1998 | 1996 | 1987 | 1993 | 1996 | 1989 | 1992 | 1992 | 1991 | 1991 | 1995
|
| SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1986 - 1998 |
|---|
| ANNUAL TOTAL | 3257.33 | | 5353.82 | | |
|
| ANNUAL MEAN | 8.92 | | 14.7 | | 11.4 |
|
| HIGHEST ANNUAL MEAN | | | | | 17.9 | 1993
|
| LOWEST ANNUAL MEAN | | | | | 7.58 | 1994
|
| HIGHEST DAILY MEAN | 774 | Feb 21 | 481 | Aug 4 | 1220 | Jul 18 1996
|
| LOWEST DAILY MEAN | .08 | A | .08 | Oct 1, July 31 | .00 | B
|
| ANNUAL SEVEN-DAY MINIMUM | .09 | Jul 11 | .24 | Oct 1 | .00 | Jul 24 1991
|
| INSTANTANEOUS PEAK FLOW | | | 968 | Aug 4 | 3070 | Jul 18 1996
|
| INSTANTANEOUS PEAK STAGE | | | 13.75 | Aug 4 | 17.53 | Jul 18 1996
|
| INSTANTANEOUS LOW FLOW | | | .06 | Jul 30-Aug. 3 | |
|
| ANNUAL RUNOFF (CFSM) | .69 | | 1.13 | | .88 |
|
| ANNUAL RUNOFF (INCHES) | 9.32 | | 15.32 | | 11.90 |
|
| 10 PERCENT EXCEEDS | 15 | | 36 | | 24 |
|
| 50 PERCENT EXCEEDS | 2.8 | | 4.7 | | 4.0 |
|
| 90 PERCENT EXCEEDS | .26 | | 1.4 | | .41 |
|
A - Several days.
B - Oct. 9, 10, 1980; many days in 1991-92, 1994-96; several days in 1997.