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 1994-2002. | |
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, and 2002. | |
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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 12 | 24 | 19 | e5.8 | 18 | 11 | 13 | 15 | 2.5 | 1.4 | 0.29 | 3.3 |
| 2 | 10 | 23 | 13 | e5.5 | 15 | 16 | 19 | 73 | 1.8 | 0.57 | 0.71 | 72 |
| 3 | 8.8 | 20 | 11 | e5.2 | 12 | 21 | 14 | 16 | 31 | 0.57 | 0.24 | 42 |
| 4 | 13 | 19 | 10 | e4.7 | 12 | 26 | 11 | 9.1 | 343 | 0.90 | 1.2 | 20 |
| 5 | 33 | 18 | 7.8 | e5.0 | 11 | 17 | 10 | 6.5 | 257 | 0.85 | 1.0 | 12 |
| 6 | 12 | 18 | 7.4 | e5.2 | 9.6 | 16 | 8.4 | 6.1 | 89 | 1.4 | 0.42 | 7.7 |
| 7 | 8.1 | 17 | 5.8 | e5.6 | 9.3 | 21 | 15 | 5.0 | 44 | 0.84 | 0.25 | 4.9 |
| 8 | 7.0 | 16 | 4.9 | e5.7 | 11 | 115 | 68 | 5.7 | 27 | 0.84 | 0.17 | 3.7 |
| 9 | 4.6 | 15 | 4.2 | e5.4 | 17 | 134 | 158 | 19 | 19 | 24 | 0.16 | 3.3 |
| 10 | 4.6 | 14 | 3.8 | e5.2 | 38 | 63 | 69 | 8.9 | 22 | 7.8 | 0.10 | 3.3 |
| 11 | 10 | 13 | 3.6 | e5.0 | 31 | 38 | 39 | 48 | 53 | 3.5 | 0.07 | 3.1 |
| 12 | 93 | 12 | 4.8 | e5.0 | 24 | 31 | 27 | 247 | 23 | 1.5 | 0.02 | 4.0 |
| 13 | 403 | 12 | 36 | 5.6 | 20 | 27 | 20 | 88 | 16 | 1.3 | 66 | 3.1 |
| 14 | 990 | 12 | 21 | 5.8 | 16 | 22 | 16 | 40 | 19 | 1.2 | 73 | 2.6 |
| 15 | 397 | 11 | 18 | 6.1 | 15 | 18 | 13 | 24 | 15 | 0.72 | 17 | 2.2 |
| 16 | 152 | 11 | 16 | 6.4 | 14 | 15 | 11 | 76 | 11 | 0.53 | 8.9 | 1.7 |
| 17 | 80 | 9.3 | 17 | 7.4 | 13 | 13 | 10 | 59 | 6.5 | 1.4 | 6.0 | 1.8 |
| 18 | 45 | 6.1 | 14 | 6.9 | 11 | 9.2 | 7.9 | 29 | 5.4 | 0.69 | 2.7 | 12 |
| 19 | 36 | 5.9 | 17 | 5.7 | 26 | 6.7 | 6.7 | 21 | 4.6 | 0.61 | 6.2 | 36 |
| 20 | 27 | 4.9 | 16 | 5.7 | 63 | 8.2 | 7.3 | 15 | e2.7 | 0.50 | 3.8 | 36 |
| 21 | 23 | 3.8 | 13 | 5.8 | 56 | 10 | 9.9 | 11 | 1.3 | 0.47 | 10 | 18 |
| 22 | 28 | 3.9 | 12 | 5.7 | 37 | 8.0 | 8.2 | 8.9 | 2.4 | 0.43 | 492 | 38 |
| 23 | 527 | 3.9 | 14 | 6.4 | 27 | 7.3 | 5.4 | 5.8 | 2.6 | 0.45 | 170 | 14 |
| 24 | 441 | 7.7 | 13 | 6.9 | 23 | 5.5 | 6.1 | 6.2 | 2.0 | 0.26 | 63 | 7.9 |
| 25 | 297 | 15 | e11 | 6.6 | 19 | 4.9 | 6.0 | 8.3 | 2.2 | 0.13 | 32 | 5.3 |
| 26 | 135 | 9.8 | 9.6 | 6.2 | 17 | 5.9 | 4.1 | 7.2 | 9.2 | 0.24 | 22 | 4.4 |
| 27 | 66 | 7.6 | e8.0 | 6.3 | 15 | 4.7 | 12 | 5.6 | 7.9 | 1.1 | 14 | 4.0 |
| 28 | 45 | 6.6 | e7.2 | 6.8 | 14 | 4.6 | 19 | 4.7 | 5.8 | 1.8 | 11 | 3.3 |
| 29 | 38 | 10 | e6.8 | 6.9 | --- | 27 | 11 | 4.0 | 3.5 | 1.5 | 8.3 | 37 |
| 30 | 33 | 32 | e6.1 | 6.8 | --- | 25 | 7.5 | 3.4 | 2.2 | 1.4 | 6.6 | 20 |
| 31 | 29 | --- | e5.7 | 9.7 | --- | 15 | --- | 2.9 | --- | 0.55 | 3.9 | --- |
| TOTAL | 4008.1 | 381.5 | 356.7 | 187.0 | 593.9 | 746.0 | 632.5 | 879.3 | 1031.6 | 59.45 | 1021.03 | 426.6 |
| MEAN | 129.3 | 12.72 | 11.51 | 6.032 | 21.21 | 24.06 | 21.08 | 28.36 | 34.39 | 1.918 | 32.94 | 14.22 |
| MAX | 990 | 32 | 36 | 9.7 | 63 | 134 | 158 | 247 | 343 | 24 | 492 | 72 |
| MIN | 4.6 | 3.8 | 3.6 | 4.7 | 9.3 | 4.6 | 4.1 | 2.9 | 1.3 | 0.13 | 0.02 | 1.7 |
| CFSM | 6.13 | 0.60 | 0.55 | 0.29 | 1.01 | 1.14 | 1.00 | 1.34 | 1.63 | 0.09 | 1.56 | 0.67 |
| IN. | 7.07 | 0.67 | 0.63 | 0.33 | 1.05 | 1.32 | 1.12 | 1.55 | 1.82 | 0.10 | 1.80 | 0.75 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2002, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 15.38 | 18.16 | 18.75 | 16.66 | 25.17 | 35.64 | 39.81 | 25.82 | 22.61 | 15.88 | 17.36 | 16.93 |
| 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 | 2.83 | 3.28 | 8.24 | 7.63 | 3.48 | 1.92 | 1.31 | 3.40 | 2.38 |
| (WY) | 1989 | 2000 | 1977 | 1977 | 1978 | 2000 | 1989 | 1992 | 1988 | 1991 | 1991 | 1982 |
| SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1967 - 2002 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 13855.58 | 10323.68 | ||||
| ANNUAL MEAN | 37.96 | 28.28 | 22.33 | |||
| HIGHEST ANNUAL MEAN | 33.2 | 1993 | ||||
| LOWEST ANNUAL MEAN | 7.83 | 1977 | ||||
| HIGHEST DAILY MEAN | 990 | Oct 14 | 990 | Oct 14 | 990 | Oct 14 2001 |
| LOWEST DAILY MEAN | 0.53 | Jul 3 | 0.02 | Aug 12 | 0.00 | A |
| ANNUAL SEVEN-DAY MINIMUM | 0.97 | Jun 30 | 0.17 | Aug 6 | 0.00 | Jun 14 1988 |
| MAXIMUM PEAK FLOW | 1230 | Oct 14 | 1230 | Oct 14 2001 | ||
| MAXIMUM PEAK STAGE | 9.95 | Oct 14 | 9.95 | Oct 14 2001 | ||
| INSTANTANEOUS LOW FLOW | 0.00 | B | ||||
| ANNUAL RUNOFF (CFSM) | 1.80 | 1.34 | 1.06 | |||
| ANNUAL RUNOFF (INCHES) | 24.43 | 18.20 | 14.38 | |||
| 10 PERCENT EXCEEDS | 71 | 45 | 49 | |||
| 50 PERCENT EXCEEDS | 15 | 9.8 | 9.5 | |||
| 90 PERCENT EXCEEDS | 3.9 | 1.4 | 2.2 | |||
|