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). | |
REMARKS.--Occasional diversion due to pumping upstream of gage. | |
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. | |
| Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 3.0 | 2.8 | 4.9 | 4.7 | e1.9 | 48 | 26 | 7.9 | 159 | 11 | 0.79 | 3.3 |
| 2 | 1.7 | 68 | 4.6 | e4.2 | e1.8 | 43 | 20 | 4.4 | 67 | 11 | 0.51 | 2.8 |
| 3 | 8.6 | 153 | 4.1 | e3.0 | e1.9 | 25 | 16 | 3.4 | 34 | 37 | 7.8 | 1.5 |
| 4 | 6.6 | 103 | 3.9 | e2.7 | e1.8 | 46 | 14 | 2.9 | 16 | 90 | 45 | 1.5 |
| 5 | 2.8 | 145 | 17 | e3.3 | e1.8 | 361 | 12 | 2.3 | 12 | 33 | 13 | 1.1 |
| 6 | 2.0 | 54 | 11 | e2.3 | e2.0 | 161 | 10 | 2.2 | 10 | 24 | 7.4 | 1.5 |
| 7 | 1.9 | 29 | 8.5 | e2.2 | e2.2 | 69 | 8.7 | 2.0 | 9.3 | 20 | 3.8 | 0.87 |
| 8 | 1.1 | 20 | 6.6 | e2.1 | e2.3 | 37 | 8.3 | 2.2 | 8.5 | 19 | 2.6 | 0.84 |
| 9 | 0.85 | 17 | 17 | e2.0 | e2.1 | 25 | 7.2 | 1.5 | 8.8 | 23 | 1.7 | 0.71 |
| 10 | 0.97 | 15 | 162 | e2.1 | e2.0 | 20 | 6.5 | 6.6 | 108 | 120 | 1.6 | 0.73 |
| 11 | 1.0 | 14 | 74 | e2.3 | e2.1 | 17 | 5.9 | 12 | 183 | 48 | 1.6 | 0.26 |
| 12 | 1.8 | 13 | 42 | e2.6 | e1.8 | 14 | 5.6 | 13 | 98 | 24 | 1.4 | 0.17 |
| 13 | 1.4 | 12 | 25 | e2.7 | e1.7 | 12 | 5.0 | 30 | 52 | 13 | 1.2 | 0.43 |
| 14 | 47 | 11 | 21 | e2.6 | e1.8 | 15 | 4.3 | 72 | 40 | 8.9 | 1.1 | 0.42 |
| 15 | 17 | 10 | 17 | e2.2 | e1.7 | 11 | 3.9 | 46 | 21 | 6.3 | 1.1 | 0.83 |
| 16 | 9.0 | 9.7 | 16 | e2.1 | e3.0 | 10 | 3.6 | 27 | 16 | 4.6 | 1.1 | 4.2 |
| 17 | 5.4 | 9.4 | 14 | e2.5 | 6.5 | 11 | 19 | 19 | 16 | 5.9 | 12 | 2.5 |
| 18 | 3.4 | 132 | 12 | e2.3 | 14 | 11 | 6.3 | 192 | 12 | 4.8 | 5.7 | 1.1 |
| 19 | 1.7 | 67 | 11 | e2.1 | 23 | 11 | 4.3 | 93 | 11 | 2.9 | 2.0 | 0.85 |
| 20 | 1.4 | 36 | 16 | e2.0 | 32 | 12 | 9.8 | 78 | 10 | 2.7 | 0.71 | 0.68 |
| 21 | 1.5 | 24 | 12 | e1.9 | 43 | 8.5 | 19 | 133 | 78 | 17 | 0.94 | 0.47 |
| 22 | 1.5 | 19 | 6.5 | e1.9 | 32 | 7.3 | 7.7 | 332 | 61 | 24 | 0.89 | 0.18 |
| 23 | 1.3 | 30 | 6.0 | e1.9 | 47 | 7.0 | 6.0 | 183 | 28 | 9.8 | 0.98 | 0.17 |
| 24 | 1.5 | 35 | 6.4 | e1.9 | 48 | 30 | 7.5 | 80 | 26 | 3.5 | 5.4 | 0.32 |
| 25 | 8.4 | 20 | 5.8 | e1.9 | 36 | 21 | 23 | 50 | 19 | 2.6 | 5.0 | 0.21 |
| 26 | 3.7 | 16 | 3.9 | e1.9 | 30 | 100 | 10 | 39 | 13 | 2.0 | 2.6 | 0.23 |
| 27 | 3.8 | 14 | 3.1 | e1.9 | 25 | 56 | 6.9 | 25 | 12 | 1.7 | 4.8 | 0.23 |
| 28 | 2.8 | 12 | 8.6 | e1.8 | 22 | 80 | 6.2 | 20 | 12 | 1.3 | 50 | 0.23 |
| 29 | 1.8 | 10 | 9.8 | e1.8 | 24 | 210 | 4.8 | 22 | 11 | 0.94 | 19 | 0.22 |
| 30 | 2.0 | 7.0 | 8.3 | e1.8 | --- | 75 | 5.4 | 198 | 11 | 0.87 | 9.5 | 0.22 |
| 31 | 2.1 | --- | 6.2 | e1.8 | --- | 38 | --- | 426 | --- | 1.1 | 6.0 | --- |
| TOTAL | 149.02 | 1107.9 | 564.2 | 72.5 | 414.4 | 1591.8 | 292.9 | 2125.4 | 1162.6 | 573.91 | 217.22 | 28.77 |
| MEAN | 4.81 | 36.9 | 18.2 | 2.34 | 14.3 | 51.3 | 9.76 | 68.6 | 38.8 | 18.5 | 7.01 | 0.96 |
| MAX | 47 | 153 | 162 | 4.7 | 48 | 361 | 26 | 426 | 183 | 120 | 50 | 4.2 |
| MIN | 0.85 | 2.8 | 3.1 | 1.8 | 1.7 | 7.0 | 3.6 | 1.5 | 8.5 | 0.87 | 0.51 | 0.17 |
| CFSM | 0.23 | 1.75 | 0.86 | 0.11 | 0.68 | 2.43 | 0.46 | 3.25 | 1.84 | 0.88 | 0.33 | 0.05 |
| IN. | 0.26 | 1.95 | 0.99 | 0.13 | 0.73 | 2.81 | 0.52 | 3.75 | 2.05 | 1.01 | 0.38 | 0.05 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2004, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 14.9 | 18.3 | 18.4 | 15.9 | 24.2 | 35.4 | 38.4 | 28.1 | 22.7 | 16.8 | 16.8 | 16.2 |
| 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 | 0.96 |
| (WY) | 1989 | 2000 | 1977 | 2003 | 2003 | 2000 | 1989 | 1992 | 1988 | 1991 | 1991 | 2004 |
| SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1967 - 2004 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 6915.24 | 8300.62 | ||||
| ANNUAL MEAN | 18.9 | 22.7 | 22.2 | |||
| HIGHEST ANNUAL MEAN | 33.2 | 1993 | ||||
| LOWEST ANNUAL MEAN | 7.83 | 1977 | ||||
| HIGHEST DAILY MEAN | 312 | May 11 | 426 | May 31 | 990 | Oct 14 2001 |
| LOWEST DAILY MEAN | 0.01 | Sep 10 | 0.17 | Sep 12,23 | 0.00 | A |
| ANNUAL SEVEN-DAY MINIMUM | 0.16 | Sep 6 | 0.22 | Sep 22 | 0.00 | Jun 14 1988 |
| MAXIMUM PEAK FLOW | 536 | May 31 | 1230 | Oct 14 2001 | ||
| MAXIMUM PEAK STAGE | 8.02 | May 31 | 9.95 | Oct 14 2001 | ||
| INSTANTANEOUS LOW FLOW | 0.11 | Sep 13,23 | ||||
| ANNUAL RUNOFF (CFSM) | 0.898 | 1.07 | 1.05 | |||
| ANNUAL RUNOFF (INCHES) | 12.19 | 14.63 | 14.27 | |||
| 10 PERCENT EXCEEDS | 45 | 53 | 48 | |||
| 50 PERCENT EXCEEDS | 5.7 | 7.6 | 9.2 | |||
| 90 PERCENT EXCEEDS | 0.68 | 1.1 | 2.0 | |||