LOCATION.-- Lat 42°24'55", long 87°58'09" (NAD of 1927), in SW1/4SE1/4 sec.32, T.46 N., R.11 E., Lake County, Hydrologic Unit 07120004, on right bank at upstream side of bridge on Hunt Club Road, about 0.5 mi southeast of Old Mill Creek, and at mile 2.9. | |
DRAINAGE AREA.-- 61.0 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1989 to current year. | |
STAGE: Water years 1994 to current year. | |
PARTIAL RECORD: Annual maximum, water years 1962 to 1976. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: Contaminants in streambed sediments, water year 2000. | |
REVISED RECORDS.-- WDR IL-77-1: 1962-76(M). WDR IL-91-2: 1990(P). WDR IL-92-2: 1990. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 668.00 ft above NGVD of 1929. Prior to Oct. 1, 1989, at datum 8.85 ft higher. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,160 ft3/s, April 23, 1999, gage height 12.21 ft; maximum gage height, 12.88 ft, present datum, Mar. 6, 1976; minimum discharge, 0.03 ft3/s, Sept. 7, 8, 10, 11, 1991. | |
EXTREMES OUTSIDE PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: A gage height of 13.73 ft, present datum, discharge unknown, occurred between October 1976 and September 1989, from mark on crest-stage gage. | |
REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. | |
| 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 | 11 | 5.9 | e4.9 | e5.5 | e2.6 | 2.4 | 16 | 36 | 56 | 8.1 | 14 | 0.51 |
| 2 | 48 | 5.6 | e4.8 | e5.5 | e2.7 | e2.3 | 15 | 43 | 49 | 6.7 | 20 | 0.51 |
| 3 | 39 | 6.5 | e4.8 | e5.4 | e2.7 | e2.3 | 14 | 37 | 44 | 5.5 | 15 | 0.49 |
| 4 | 31 | 7.0 | e4.6 | e5.4 | e2.8 | e2.2 | 18 | 34 | 40 | 4.8 | 18 | 0.45 |
| 5 | 29 | 7.8 | e4.3 | e5.5 | e2.7 | e2.2 | 33 | 97 | 35 | 6.6 | 14 | 0.44 |
| 6 | 21 | 8.3 | e4.0 | e5.5 | e2.6 | e2.3 | 29 | 87 | 31 | 11 | 12 | 0.48 |
| 7 | 16 | 7.9 | e3.7 | e5.3 | e2.6 | e2.4 | 28 | 74 | 29 | 28 | 11 | 0.48 |
| 8 | 12 | 7.6 | e3.5 | e5.0 | e2.4 | e2.5 | 28 | 68 | 32 | 57 | 9.9 | 0.51 |
| 9 | 9.8 | 7.3 | e3.3 | e4.8 | e2.2 | e2.5 | 27 | 118 | 35 | 79 | 8.5 | 0.49 |
| 10 | 9.6 | 7.4 | e3.1 | e4.6 | e2.0 | e2.6 | 37 | 114 | 30 | 58 | 6.5 | 0.45 |
| 11 | 8.6 | 7.6 | e2.9 | e4.3 | e1.9 | e2.7 | 36 | 102 | 27 | 50 | 5.4 | 0.45 |
| 12 | 7.7 | 7.9 | e2.8 | e4.0 | e1.8 | e2.9 | 33 | 101 | 24 | 47 | 4.6 | 0.46 |
| 13 | 7.0 | 6.7 | e2.9 | e3.7 | e1.7 | e3.0 | 30 | 89 | 23 | 43 | 4.0 | 0.51 |
| 14 | 6.6 | 5.9 | e3.0 | e3.4 | e1.6 | 6.7 | 28 | 80 | 21 | 36 | 3.5 | 0.60 |
| 15 | 6.4 | 6.1 | e3.2 | e3.2 | 1.6 | 13 | 26 | 77 | 19 | 67 | 3.5 | 0.49 |
| 16 | 6.2 | 6.1 | e4.2 | e3.0 | 1.7 | 14 | 24 | 69 | 17 | 62 | 3.3 | 0.37 |
| 17 | 5.8 | 6.0 | 6.6 | e2.9 | 1.8 | 16 | 22 | 61 | 16 | 48 | 2.9 | 0.35 |
| 18 | 5.4 | 6.0 | 8.6 | e2.8 | 1.9 | 15 | 21 | 55 | 15 | 42 | 2.2 | 0.33 |
| 19 | 5.1 | 7.1 | 13 | e2.6 | 2.1 | 13 | 21 | 49 | 28 | 34 | 1.7 | 0.33 |
| 20 | 5.2 | 7.2 | 13 | e2.4 | 2.3 | 17 | 23 | 51 | 25 | 30 | 1.4 | 0.33 |
| 21 | 5.2 | 7.8 | 11 | e2.3 | e2.4 | 19 | 23 | 48 | 20 | 73 | 1.2 | 0.32 |
| 22 | 5.0 | 11 | 9.7 | e2.2 | e2.6 | 16 | 22 | 42 | 18 | 61 | 1.0 | 0.42 |
| 23 | 4.8 | 10 | 9.0 | e2.1 | 3.0 | 14 | 20 | 37 | 16 | 44 | 0.69 | 0.41 |
| 24 | 5.0 | 8.3 | 8.4 | e2.0 | 3.1 | 13 | 18 | 32 | 15 | 35 | 0.67 | 0.36 |
| 25 | 6.7 | 7.6 | e6.9 | e1.8 | 3.2 | 19 | 17 | 28 | 13 | 28 | 0.72 | 0.35 |
| 26 | 8.4 | 7.1 | e6.2 | e1.9 | 3.0 | 18 | 16 | 25 | 12 | 24 | 0.65 | 0.42 |
| 27 | 7.4 | 6.6 | e5.8 | e2.1 | 2.8 | 15 | 15 | 23 | 11 | 20 | 0.66 | 0.55 |
| 28 | 6.9 | 6.0 | e5.6 | e2.2 | 2.5 | 16 | 14 | 23 | 10 | 17 | 0.64 | 0.45 |
| 29 | 7.0 | e5.6 | e5.5 | e2.3 | --- | 21 | 14 | 31 | 10 | 14 | 0.58 | 0.41 |
| 30 | 6.6 | e5.0 | e5.5 | e2.4 | --- | 18 | 15 | 33 | 9.5 | 12 | 0.58 | 0.28 |
| 31 | 6.2 | --- | e5.4 | e2.5 | --- | 16 | --- | 68 | --- | 11 | 0.57 | --- |
| TOTAL | 359.6 | 212.9 | 180.2 | 108.6 | 66.3 | 312.0 | 683 | 1832 | 730.5 | 1062.7 | 169.36 | 13.00 |
| MEAN | 11.6 | 7.10 | 5.81 | 3.50 | 2.37 | 10.1 | 22.8 | 59.1 | 24.4 | 34.3 | 5.46 | 0.43 |
| MAX | 48 | 11 | 13 | 5.5 | 3.2 | 21 | 37 | 118 | 56 | 79 | 20 | 0.60 |
| MIN | 4.8 | 5.0 | 2.8 | 1.8 | 1.6 | 2.2 | 14 | 23 | 9.5 | 4.8 | 0.57 | 0.28 |
| CFSM | 0.19 | 0.12 | 0.10 | 0.06 | 0.04 | 0.17 | 0.37 | 0.97 | 0.40 | 0.56 | 0.09 | 0.01 |
| IN. | 0.22 | 0.13 | 0.11 | 0.07 | 0.04 | 0.19 | 0.42 | 1.12 | 0.45 | 0.65 | 0.10 | 0.01 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2003, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 17.2 | 38.8 | 36.0 | 43.2 | 74.0 | 86.2 | 110 | 85.5 | 72.5 | 28.8 | 10.3 | 8.41 |
| MAX | 115 | 127 | 106 | 126 | 181 | 157 | 297 | 245 | 266 | 168 | 44.0 | 26.5 |
| (WY) | 2002 | 1993 | 1992 | 1993 | 2001 | 1993 | 1993 | 1996 | 2000 | 1993 | 1990 | 2000 |
| MIN | 1.38 | 2.66 | 5.81 | 3.50 | 2.37 | 10.1 | 22.8 | 11.9 | 3.45 | 1.00 | 0.55 | 0.43 |
| (WY) | 1995 | 2000 | 2003 | 2003 | 2003 | 2003 | 2003 | 1994 | 1992 | 1991 | 1991 | 2003 |
| SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1990 - 2003 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 11524.1 | 5730.16 | ||||
| ANNUAL MEAN | 31.6 | 15.7 | 50.7 | |||
| HIGHEST ANNUAL MEAN | 102 | 1993 | ||||
| LOWEST ANNUAL MEAN | 15.7 | 2003 | ||||
| HIGHEST DAILY MEAN | 301 | Apr 9 | 118 | May 9 | 777 | Apr 23 1999 |
| LOWEST DAILY MEAN | 1.8 | A | 0.28 | Sep 30 | 0.03 | Sep 11 1991 |
| ANNUAL SEVEN-DAY MINIMUM | 1.8 | Aug 6 | 0.35 | Sep 16 | 0.05 | Sep 5 1991 |
| MAXIMUM PEAK FLOW | 138 | May 9 | 1160 B | Apr 23 1999 | ||
| MAXIMUM PEAK STAGE | 8.91 | May 9 | 12.88 C | Mar 6 1976 | ||
| INSTANTANEOUS LOW FLOW | 0.26 | Sep 30 | 0.03 | D | ||
| ANNUAL RUNOFF (CFSM) | 0.52 | 0.26 | 0.83 | |||
| ANNUAL RUNOFF (INCHES) | 7.03 | 3.50 | 11.30 | |||
| 10 PERCENT EXCEEDS | 88 | 42 | 130 | |||
| 50 PERCENT EXCEEDS | 12 | 7.0 | 24 | |||
| 90 PERCENT EXCEEDS | 3.2 | 0.67 | 2.2 | |||