Station list
Available data
ILLINOIS RIVER BASIN
05535000 SKOKIE RIVER AT LAKE FOREST, IL
LOCATION.--Lat 42°13'57", long 87°50'41", in NW1/4SW1/4 sec.4, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on
left bank at downstream side of bridge on West Leigh Road at Lake Forest and at mile 13.1.
DRAINAGE AREA.--13.0 mi2.
PERIOD OF RECORD.--October 1951 to current year. Prior to October 1952, records published with those for streams in the
St. Lawrence River Basin (WSP 1237).
REVISED RECORDS.--WDR IL-75-1: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 648.75 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 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
|
|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
|---|
|
|
| 1 | 1.2 | 16 | 4.0 | 1.1 | 31 | 15 | 7.5 | 22 | 32 | 5.4 | .81 | 1.3
|
| 2 | 1.9 | 14 | 3.1 | 1.0 | 47 | 15 | 7.5 | 20 | 74 | 2.6 | 1.1 | .85
|
| 3 | 8.2 | 12 | 2.9 | e1.0 | 44 | 17 | 7.1 | 18 | 24 | 1.9 | .67 | .68
|
| 4 | 4.1 | 13 | 2.6 | e1.1 | 39 | 14 | 8.3 | 17 | 18 | 1.6 | .67 | .63
|
| 5 | 29 | 8.3 | 2.8 | e1.0 | 32 | 12 | 7.5 | 17 | 14 | 1.3 | .67 | .62
|
|
|
| 6 | 18 | 4.6 | 22 | e.96 | 33 | 13 | 8.8 | 23 | 28 | 1.0 | .68 | .75
|
| 7 | 15 | 3.4 | 36 | e1.0 | 30 | 13 | 7.2 | 18 | 22 | .76 | .67 | .84
|
| 8 | 11 | 3.3 | 20 | e1.1 | 26 | 11 | 19 | 16 | 9.7 | .58 | .77 | .95
|
| 9 | 5.2 | 3.5 | 15 | e1.0 | 27 | 13 | 173 | 15 | 6.5 | 1.1 | .82 | .77
|
| 10 | 2.6 | 97 | 13 | e1.0 | 25 | 16 | 71 | 14 | 6.7 | .64 | .72 | .63
|
|
|
| 11 | 1.9 | 39 | 10 | .96 | 32 | 15 | 41 | 12 | 8.7 | .69 | .81 | .76
|
| 12 | 1.7 | 25 | 8.0 | .96 | 33 | 16 | 30 | 23 | 5.5 | .51 | 5.9 | 1.5
|
| 13 | 1.6 | 19 | 5.4 | 1.1 | 24 | 17 | 24 | 14 | 131 | .49 | 2.5 | 4.5
|
| 14 | 1.9 | 16 | 3.7 | 1.6 | 21 | 16 | 21 | 11 | 89 | .48 | 1.4 | .99
|
| 15 | .97 | 14 | 3.3 | 1.8 | 20 | 19 | 31 | 8.3 | 28 | .48 | .98 | .67
|
|
|
| 16 | .93 | 12 | 3.1 | 2.0 | 21 | 31 | 103 | 9.3 | 18 | .54 | .93 | .61
|
| 17 | 82 | 10 | 2.9 | 14 | 19 | 66 | 58 | 36 | 15 | 1.1 | .86 | .64
|
| 18 | 98 | 8.5 | 2.7 | 37 | 18 | 48 | 36 | 23 | 14 | 1.3 | .84 | .67
|
| 19 | 35 | 6.2 | 2.5 | 38 | 18 | 32 | 28 | 18 | 13 | .72 | 19 | .71
|
| 20 | 22 | 4.1 | 2.5 | 35 | 18 | 26 | 29 | 16 | 13 | .62 | 5.9 | 3.0
|
|
|
| 21 | 18 | 3.3 | 2.4 | 36 | 15 | 22 | 42 | 16 | 12 | 1.3 | 2.9 | 6.6
|
| 22 | 15 | 2.8 | 1.9 | 216 | 10 | 20 | 202 | 16 | 12 | 1.7 | 1.8 | 2.4
|
| 23 | 13 | 2.5 | 1.7 | 150 | 8.5 | 19 | 321 | 20 | 11 | 10 | 1.9 | 1.3
|
| 24 | 11 | 2.3 | 1.4 | 119 | 8.3 | 18 | 113 | 16 | 8.9 | 8.9 | 4.3 | 1.1
|
| 25 | 8.1 | e2.2 | 1.3 | 70 | 8.6 | 16 | 65 | 12 | 3.4 | 3.4 | 9.2 | .83
|
|
|
| 26 | 3.7 | e2.3 | 1.2 | 48 | 9.4 | 12 | 33 | 9.1 | 2.0 | 2.2 | 7.1 | .63
|
| 27 | 7.2 | e2.5 | e1.2 | 49 | 19 | 11 | 40 | 7.7 | 1.9 | 1.5 | 3.2 | 5.8
|
| 28 | 12 | e2.9 | e1.1 | 53 | 17 | 11 | 71 | 6.6 | 5.5 | 1.2 | 1.7 | 63
|
| 29 | 9.4 | e4.5 | e1.1 | 41 | --- | 9.5 | 36 | 6.3 | 4.0 | .98 | 1.2 | 35
|
| 30 | 33 | e9.0 | 1.2 | 34 | --- | 8.9 | 25 | 5.6 | 1.9 | .90 | .93 | 17
|
|
|
| 31 | 20 | --- | 1.1 | 32 | --- | 8.5 | --- | 32 | --- | .88 | .73 | ---
|
| TOTAL | 492.60 | 363.2 | 181.1 | 990.68 | 653.8 | 580.9 | 1665.9 | 497.9 | 632.7 | 56.77 | 81.66 | 155.73
|
| MEAN | 15.9 | 12.1 | 5.84 | 32.0 | 23.4 | 18.7 | 55.5 | 16.1 | 21.1 | 1.83 | 2.63 | 5.19
|
| MAX | 98 | 97 | 36 | 216 | 47 | 66 | 321 | 36 | 131 | 10 | 19 | 63
|
| MIN | .93 | 2.2 | 1.1 | .96 | 8.3 | 8.5 | 7.1 | 5.6 | 1.9 | .48 | .67 | .61
|
| CFSM | 1.22 | .93 | .45 | 2.46 | 1.80 | 1.44 | 4.27 | 1.24 | 1.62 | .14 | .20 | .40
|
| IN. | 1.41 | 1.04 | .52 | 2.83 | 1.87 | 1.66 | 4.77 | 1.42 | 1.81 | .16 | .23 | .45
|
e Estimated
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1999, BY WATER YEAR (WY)
|
|---|
| MEAN | 7.12 | 10.6 | 11.2 | 9.99 | 13.4 | 23.1 | 25.2 | 14.9 | 12.2 | 8.03 | 7.12 | 7.76
|
| MAX | 30.0 | 44.5 | 53.7 | 42.4 | 35.5 | 82.3 | 56.9 | 54.3 | 41.6 | 33.3 | 41.7 | 61.7
|
| (WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1996 | 1996 | 1993 | 1972 | 1986
|
| MIN | .83 | 1.38 | 1.20 | .29 | 1.08 | 4.01 | 5.95 | 2.26 | .91 | 1.29 | 1.26 | 1.12
|
| (WY) | 1957 | 1954 | 1959 | 1959 | 1963 | 1956 | 1986 | 1988 | 1988 | 1991 | 1955 | 1979
|
| SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1952 - 1999 |
|---|
| ANNUAL TOTAL | 5761.02 | | 6352.94 | | |
|
| ANNUAL MEAN | 15.8 | | 17.4 | | 12.5 |
|
| HIGHEST ANNUAL MEAN | | | | | 22.2 | 1974
|
| LOWEST ANNUAL MEAN | | | | | 3.54 | 1963
|
| HIGHEST DAILY MEAN | 162 | Jun 26 | 321 | Apr 23 | 444 | Sep 27 1986
|
| LOWEST DAILY MEAN | .75 | Sep 5 | .48 | Jul 14,15 | .00 | A
|
| ANNUAL SEVEN-DAY MINIMUM | .82 | Aug 18 | .55 | Jul 10 | .00 | Jan 3 1959
|
| INSTANTANEOUS PEAK FLOW | | | 472 | Apr 23 | 496 B | Feb 21 1997
|
| INSTANTANEOUS PEAK STAGE | | | 7.08 | Apr 23 | 8.35 | Jul 22 1982
|
| INSTANTANEOUS LOW FLOW | | | .48 | Jul 11-16 | |
|
| ANNUAL RUNOFF (CFSM) | 1.21 | | 1.34 | | .96 |
|
| ANNUAL RUNOFF (INCHES) | 16.49 | | 18.18 | | 13.09 |
|
| 10 PERCENT EXCEEDS | 36 | | 36 | | 28 |
|
| 50 PERCENT EXCEEDS | 9.2 | | 8.7 | | 5.3 |
|
| 90 PERCENT EXCEEDS | 1.2 | | .84 | | 1.4 |
|
A - Many days in 1959.
B - Gage height, 7.24 ft.