LOCATION.-- Lat 42°09'34", long 87°47'52" (NAD of 1927), in NW1/4SE1/4 sec.35, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on right bank at downstream side of bridge on Clavey Road in Highland Park, and at mile 7.3. | |
DRAINAGE AREA.-- 21.1 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: September 1967 to current year. | |
STAGE: Water years 1994 to current year. | |
REVISED RECORDS.-- WSP 2115: 1968. WDR IL-75-1: Drainage area. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 622.83 ft above NGVD of 1929 (city of Highland Park bench mark). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,230 ft3/s, Oct. 14, 2001, gage height, 9.95 ft; no flow at times in 1988, 1989, 1991, 2000, 2002, and 2003. | |
EXTREMES OUTSIDE PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Flood of July 1938 reached a stage of 10.6 ft, discharge not determined, from information furnished by Highland Park City Engineer. | |
REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. Occasional diversion due to pumping upstream of gage. | |
| Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 13 | 2.4 | 2.6 | 3.5 | e1.4 | e0.60 | 7.3 | 287 | 20 | 2.6 | 5.2 | 1.5 |
| 2 | 30 | 3.1 | 2.8 | 3.3 | e2.0 | e0.61 | 7.0 | 123 | 12 | 3.1 | 8.7 | 1.4 |
| 3 | 16 | 3.7 | 2.9 | 2.4 | e2.2 | e0.63 | 9.3 | 50 | 9.9 | 2.5 | 9.5 | 1.1 |
| 4 | 51 | 2.7 | 2.6 | 2.3 | e2.0 | e0.64 | 101 | 46 | 6.2 | 5.5 | 27 | 0.81 |
| 5 | 31 | 2.2 | 4.2 | 2.4 | e1.4 | e0.66 | 91 | 246 | 4.8 | 81 | 22 | 0.58 |
| 6 | 17 | 3.8 | 4.6 | 3.4 | e0.86 | e0.70 | 40 | 95 | 4.3 | 175 | 19 | 0.31 |
| 7 | 13 | 3.7 | 2.2 | 2.3 | e0.82 | e0.73 | 34 | 46 | 5.0 | 188 | 11 | 0.25 |
| 8 | 10 | 3.1 | 2.5 | 2.5 | e0.77 | e0.90 | 33 | 32 | 24 | 133 | 22 | 0.16 |
| 9 | 6.8 | 3.0 | 2.0 | 2.5 | e0.74 | e1.2 | 39 | 127 | 11 | 96 | 10 | 0.06 |
| 10 | 5.6 | 3.5 | 2.1 | 2.3 | e0.71 | e1.9 | 39 | 128 | 7.9 | 62 | 5.8 | 0.01 |
| 11 | 3.6 | 4.9 | 2.2 | 2.2 | e0.70 | 4.3 | 26 | 312 | 5.4 | 45 | 3.2 | 0.03 |
| 12 | 3.3 | 3.5 | 2.3 | 2.0 | e0.68 | 10 | 20 | 148 | 4.4 | 30 | 2.4 | 0.28 |
| 13 | 3.1 | 2.7 | 3.2 | e1.8 | e0.67 | 31 | 16 | 65 | 3.8 | 22 | 4.0 | 1.7 |
| 14 | 2.7 | 3.0 | 2.4 | e1.6 | e0.66 | 41 | 14 | 48 | 3.8 | 20 | 5.0 | 35 |
| 15 | 2.6 | 4.5 | 2.1 | e1.4 | e0.65 | 36 | 12 | 43 | 3.5 | 121 | 7.5 | 13 |
| 16 | 2.3 | 3.5 | 2.0 | e1.3 | e0.64 | 22 | 9.3 | 28 | 2.7 | 59 | 5.0 | 6.3 |
| 17 | 2.3 | 3.3 | 2.0 | e1.2 | e0.62 | 18 | 6.7 | 20 | 2.3 | 59 | 2.6 | 3.2 |
| 18 | 3.0 | 3.4 | 38 | e1.0 | e0.60 | 12 | 5.2 | 16 | 18 | 66 | 2.0 | 1.9 |
| 19 | 2.6 | 10 | 21 | e0.92 | e0.59 | 14 | 4.9 | 14 | 40 | 37 | 1.3 | 1.8 |
| 20 | 2.3 | 5.1 | 11 | e0.86 | e0.58 | 21 | 5.3 | 18 | 14 | 24 | 0.85 | 1.4 |
| 21 | 2.0 | 9.3 | 10 | e0.80 | e0.58 | 19 | 4.9 | 12 | 9.0 | 48 | 0.45 | 1.1 |
| 22 | 1.9 | 12 | 6.3 | e0.77 | e0.57 | 14 | 4.2 | 11 | 4.5 | 41 | 0.22 | 3.2 |
| 23 | 3.0 | 6.9 | 3.9 | e0.76 | e0.56 | 8.6 | 3.5 | 9.9 | 3.1 | 36 | 0.19 | 3.4 |
| 24 | 3.4 | 4.1 | 3.3 | e0.75 | e0.56 | 9.4 | 3.4 | 9.2 | 4.7 | 25 | 0.31 | 2.2 |
| 25 | 10 | 3.8 | 3.2 | e0.74 | e0.56 | 23 | 3.3 | 8.4 | 3.7 | 23 | 0.73 | 1.4 |
| 26 | 6.8 | 4.4 | 2.9 | e0.74 | e0.57 | 12 | 3.0 | 7.8 | 2.9 | 21 | 1.1 | 10 |
| 27 | 4.4 | 4.2 | 2.7 | e0.76 | e0.58 | 8.1 | 2.7 | 6.4 | 2.7 | 14 | 1.6 | 18 |
| 28 | 3.2 | 2.9 | 2.7 | e0.77 | e0.59 | 17 | 2.3 | 24 | 5.8 | 5.7 | 0.73 | 7.0 |
| 29 | 2.8 | 3.3 | 2.6 | e0.78 | --- | 17 | 2.5 | 33 | 8.7 | 5.7 | 0.46 | 4.7 |
| 30 | 3.3 | 3.1 | 2.8 | e0.80 | --- | 9.6 | 18 | 23 | 1.7 | 4.0 | 0.50 | 3.0 |
| 31 | 2.4 | --- | 3.2 | e0.92 | --- | 7.3 | --- | 40 | --- | 2.5 | 0.59 | --- |
| TOTAL | 264.4 | 129.1 | 158.3 | 49.77 | 23.86 | 362.87 | 567.8 | 2076.7 | 249.8 | 1457.6 | 180.93 | 124.79 |
| MEAN | 8.53 | 4.30 | 5.11 | 1.61 | 0.85 | 11.7 | 18.9 | 67.0 | 8.33 | 47.0 | 5.84 | 4.16 |
| MAX | 51 | 12 | 38 | 3.5 | 2.2 | 41 | 101 | 312 | 40 | 188 | 27 | 35 |
| MIN | 1.9 | 2.2 | 2.0 | 0.74 | 0.56 | 0.60 | 2.3 | 6.4 | 1.7 | 2.5 | 0.19 | 0.01 |
| CFSM | 0.40 | 0.20 | 0.24 | 0.08 | 0.04 | 0.55 | 0.90 | 3.17 | 0.39 | 2.23 | 0.28 | 0.20 |
| IN. | 0.47 | 0.23 | 0.28 | 0.09 | 0.04 | 0.64 | 1.00 | 3.66 | 0.44 | 2.57 | 0.32 | 0.22 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2003, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 15.2 | 17.8 | 18.4 | 16.2 | 24.5 | 35.0 | 39.2 | 27.0 | 22.2 | 16.7 | 17.0 | 16.6 |
| MAX | 129 | 69.9 | 79.3 | 60.3 | 71.0 | 119 | 118 | 90.5 | 64.4 | 55.0 | 69.7 | 98.0 |
| (WY) | 2002 | 1986 | 1983 | 1999 | 1997 | 1979 | 1999 | 1996 | 1969 | 1969 | 1987 | 1986 |
| MIN | 2.01 | 1.24 | 2.53 | 1.61 | 0.85 | 8.24 | 7.63 | 3.48 | 1.92 | 1.31 | 3.40 | 2.38 |
| (WY) | 1989 | 2000 | 1977 | 2003 | 2003 | 2000 | 1989 | 1992 | 1988 | 1991 | 1991 | 1982 |
| SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1967 - 2003 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 6129.18 | 5645.92 | ||||
| ANNUAL MEAN | 16.8 | 15.5 | 22.1 | |||
| HIGHEST ANNUAL MEAN | 33.2 | 1993 | ||||
| LOWEST ANNUAL MEAN | 7.83 | 1977 | ||||
| HIGHEST DAILY MEAN | 492 | Aug 22 | 312 | May 11 | 990 | Oct 14 2001 |
| LOWEST DAILY MEAN | 0.02 | Aug 12 | 0.01 | Sep 10 | 0.00 | A |
| ANNUAL SEVEN-DAY MINIMUM | 0.17 | Aug 6 | 0.16 | Sep 6 | 0.00 | Jun 14 1988 |
| MAXIMUM PEAK FLOW | 454 | Jul 6 | 1230 | Oct 14 2001 | ||
| MAXIMUM PEAK STAGE | 7.70 | Jul 6 | 9.95 | Oct 14 2001 | ||
| INSTANTANEOUS LOW FLOW | 0.00 | Sep 9,10,11 | ||||
| ANNUAL RUNOFF (CFSM) | 0.80 | 0.73 | 1.05 | |||
| ANNUAL RUNOFF (INCHES) | 10.81 | 9.95 | 14.26 | |||
| 10 PERCENT EXCEEDS | 36 | 38 | 48 | |||
| 50 PERCENT EXCEEDS | 6.1 | 3.5 | 9.3 | |||
| 90 PERCENT EXCEEDS | 1.4 | 0.68 | 2.1 | |||