Station list
05540275 SPRING BROOK AT 87TH STREET NEAR NAPERVILLE, IL
LOCATION.--Lat 41°43'33", long 88°09'46", in SW¼SW¼ sec.36, T.38 N., R.9 E., Du Page County, Hydrologic Unit
07120004, on right bank at upstream side of bridge on 87th Street, 3.0 mi south of Naperville, and at mile 2.9.
DRAINAGE AREA.--9.90 mi2.
PERIOD OF RECORD.--October 1987 to current year.
GAGE.--Water-stage recorder. Datum of gage is 647.00 ft above sea level.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.
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 | .42 | .85 | 14 | e5.6 | 12 | 5.4 | 33 | 21 | 2.3 | 9.9 | 2.1 | 4.0
|
| 2 | .37 | .97 | 11 | 4.8 | 29 | 5.0 | 34 | 17 | 1.9 | 8.6 | 1.8 | 3.6
|
| 3 | .32 | 1.3 | 12 | 12 | 23 | 4.7 | 27 | 9.7 | 2.0 | 11 | 6.3 | 4.0
|
| 4 | .33 | 1.3 | 8.5 | 33 | 19 | 5.4 | 22 | 8.0 | 2.5 | 51 | 230 | 3.9
|
| 5 | .28 | 1.1 | 2.2 | 37 | 16 | 5.4 | 19 | 9.3 | 2.3 | 35 | 230 | 3.1
|
| |
| 6 | .25 | 3.0 | 2.0 | 39 | 13 | 5.1 | 16 | 22 | 2.1 | 25 | 102 | 2.7
|
| 7 | .22 | 8.3 | 1.6 | 39 | 11 | 4.7 | 13 | 91 | 1.8 | 73 | 54 | 56 |
| 8 | .20 | 11 | 2.8 | 39 | 9.6 | 19 | 38 | 117 | 1.6 | 55 | 45 | 46 |
| 9 | .28 | 9.5 | 3.2 | 42 | 8.9 | 41 | 41 | 57 | 6.3 | 34 | 33 | 23 |
| 10 | .27 | 8.9 | 3.8 | 34 | 8.5 | 33 | 34 | 37 | 10 | 21 | 25 | 13 |
| |
| 11 | .19 | 9.0 | 4.7 | 29 | 25 | 27 | 28 | 30 | 27 | 13 | 19 | 11 |
| 12 | .21 | 8.3 | 4.2 | 20 | 32 | 19 | 23 | 25 | 40 | 11 | 16 | 9.2
|
| 13 | .62 | 7.9 | 7.8 | e13 | 23 | 16 | 19 | 29 | 27 | 9.4 | 9.8 | 8.2
|
| 14 | 1.3 | 8.2 | 7.5 | e14 | 20 | 14 | 15 | 20 | 17 | 7.8 | 6.8 | 7.4
|
| 15 | 2.1 | 8.7 | 9.0 | e12 | 14 | 12 | 12 | 16 | 14 | 6.4 | 5.6 | 11 |
| |
| 16 | 1.8 | 9.7 | 3.6 | e10 | 12 | 11 | 17 | 11 | 10 | 5.9 | 4.8 | 5.8
|
| 17 | 1.7 | 7.6 | 3.8 | 9.5 | 13 | 24 | 19 | 8.6 | 6.7 | 4.4 | 4.0 | 3.9
|
| 18 | 1.3 | 7.0 | 2.6 | e9.0 | 13 | 80 | 12 | 7.3 | 5.7 | 3.7 | 3.9 | 3.2
|
| 19 | 1.0 | 7.6 | 2.5 | 7.2 | 11 | 57 | 10 | 6.0 | 6.6 | 5.9 | 3.1 | 2.5
|
| 20 | .94 | 7.9 | 2.2 | e6.4 | 8.6 | 40 | 13 | 5.1 | 5.4 | 6.8 | 3.2 | 2.1
|
| |
| 21 | .67 | 7.8 | 2.2 | 6.0 | 7.3 | 33 | 34 | 4.2 | 4.6 | 6.0 | 2.8 | 2.1
|
| 22 | .49 | 7.2 | 2.3 | 5.8 | 6.7 | 27 | 30 | 3.8 | 3.8 | 5.6 | 2.7 | 1.8
|
| 23 | .47 | 6.4 | 2.4 | 5.6 | 6.1 | 23 | 24 | 3.1 | 3.3 | 5.2 | 2.5 | 1.5
|
| 24 | .50 | 5.4 | 3.4 | 5.3 | 7.4 | 20 | 19 | 3.6 | 2.4 | 4.4 | 3.4 | 1.4
|
| 25 | .46 | 5.2 | 6.5 | 5.0 | 6.5 | 17 | 12 | 3.6 | 2.1 | 4.0 | 5.5 | 1.4
|
| |
| 26 | .94 | 5.2 | 6.9 | 5.0 | 5.9 | 15 | 13 | 2.9 | 68 | 3.5 | 4.5 | 1.5
|
| 27 | 8.4 | 6.5 | 9.1 | 5.3 | 7.3 | 9.9 | 20 | 2.2 | 56 | 3.3 | 3.6 | 1.4
|
| 28 | 3.6 | 22 | 13 | 4.7 | 6.4 | 9.4 | 15 | 2.3 | 33 | 3.1 | 6.7 | 1.5
|
| 29 | 1.7 | 19 | 6.6 | 5.6 | --- | 8.8 | 21 | 2.7 | 20 | 2.7 | 7.1 | 1.8
|
| 30 | 1.1 | 19 | e6.4 | 6.7 | --- | 7.8 | 24 | 2.9 | 13 | 2.3 | 5.7 | 3.4
|
| |
| 31 | .85 | --- | e6.0 | 7.4 | --- | 17 | --- | 2.4 | --- | 2.1 | 4.6 | --- |
| TOTAL | 33.28 | 231.82 | 173.8 | 477.9 | 375.2 | 616.6 | 657 | 580.7 | 398.4 | 440.0 | 854.5 | 241.4
|
| MEAN | 1.07 | 7.73 | 5.61 | 15.4 | 13.4 | 19.9 | 21.9 | 18.7 | 13.3 | 14.2 | 27.6 | 8.05
|
| MAX | 8.4 | 22 | 14 | 42 | 32 | 80 | 41 | 117 | 68 | 73 | 230 | 56
|
| MIN | .19 | .85 | 1.6 | 4.7 | 5.9 | 4.7 | 10 | 2.2 | 1.6 | 2.1 | 1.8 | 1.4
|
| CFSM | .11 | .78 | .57 | 1.56 | 1.35 | 2.01 | 2.21 | 1.89 | 1.34 | 1.43 | 2.78 | .81
|
| IN. | .13 | .87 | .65 | 1.80 | 1.41 | 2.32 | 2.47 | 2.18 | 1.50 | 1.65 | 3.21 | .91
|
e Estimated
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 1998, BY WATER YEAR (WY)
|
|---|
| MEAN | 3.64 | 11.0 | 9.30 | 11.5 | 12.0 | 14.0 | 16.0 | 14.6 | 11.5 | 12.4 | 6.37 | 5.09
|
| MAX | 10.9 | 20.1 | 22.6 | 30.7 | 44.3 | 26.1 | 34.0 | 46.3 | 31.3 | 78.1 | 27.6 | 13.6
|
| (WY) | 1992 | 1993 | 1988 | 1993 | 1997 | 1990 | 1993 | 1990 | 1993 | 1996 | 1998 | 1989
|
| MIN | .70 | 1.25 | .69 | 4.40 | 3.22 | 4.07 | 4.03 | 1.57 | .78 | .39 | .22 | .36
|
| (WY) | 1993 | 1990 | 1990 | 1994 | 1996 | 1996 | 1989 | 1989 | 1988 | 1988 | 1991 | 1988
|
| SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1988 - 1998 |
|---|
| ANNUAL TOTAL | 3589.20 | | 5080.60 | | |
|
| ANNUAL MEAN | 9.83 | | 13.9 | | 10.6 |
|
| HIGHEST ANNUAL MEAN | | | | | 15.7 | 1993
|
| LOWEST ANNUAL MEAN | | | | | 6.40 | 1994
|
| HIGHEST DAILY MEAN | 346 | Feb 21 | 230 | Aug 4,5 | 1370 | Jul 18 1996
|
| LOWEST DAILY MEAN | .19 | Oct 11 | .19 | Oct 11 | .00 | Oct 11 1988
|
| ANNUAL SEVEN-DAY MINIMUM | .23 | Oct 6 | .23 | Oct 6 | .05 | Oct 9 1988
|
| INSTANTANEOUS PEAK FLOW | | | 391 | Aug 4 | 1750 | Jul 18 1996
|
| INSTANTANEOUS PEAK STAGE | | | 7.15 | Aug 4 | 10.77 | Jul 18 1996
|
| INSTANTANEOUS LOW FLOW | | | .03 | Dec 5 A | |
|
| ANNUAL RUNOFF (CFSM) | .99 | | 1.41 | | 1.07 |
|
| ANNUAL RUNOFF (INCHES) | 13.49 | | 19.09 | | 14.53 |
|
| 10 PERCENT EXCEEDS | 17 | | 33 | | 26 |
|
| 50 PERCENT EXCEEDS | 6.0 | | 7.3 | | 5.1 |
|
| 90 PERCENT EXCEEDS | .88 | | 1.6 | | .72 |
|
A - Result of freezeup.