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 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.28 | 1.5 | 16 | 28 | e4.9 | 77 | 156 | 43 | 342 | 58 | 5.4 | 5.4 |
| 2 | 0.26 | 8.5 | 15 | 28 | e5.1 | 119 | 135 | 37 | 288 | 49 | 5.2 | 3.8 |
| 3 | 0.28 | 41 | 14 | 28 | e5.2 | 98 | 120 | 30 | 248 | 46 | 5.4 | 2.6 |
| 4 | 0.30 | 43 | 14 | 27 | e5.2 | 91 | 106 | 25 | 220 | 163 | 10 | 1.6 |
| 5 | 0.29 | 58 | 18 | 25 | e5.2 | 400 | 94 | 21 | 179 | 138 | 12 | 1.3 |
| 6 | 0.24 | 44 | 20 | 23 | e5.2 | 297 | 84 | 18 | 147 | 121 | 9.1 | 1.3 |
| 7 | 0.21 | 37 | 18 | 23 | e5.1 | 227 | 76 | 16 | 125 | 106 | 7.3 | 1.1 |
| 8 | 0.21 | 32 | 17 | 20 | e5.0 | 189 | 68 | 14 | 112 | 98 | 6.3 | 1.0 |
| 9 | 0.21 | 27 | 18 | e17 | e4.9 | 172 | 60 | 17 | 108 | 87 | 5.7 | 0.91 |
| 10 | 0.22 | 23 | 117 | e16 | e5.0 | 160 | 53 | 20 | 255 | 75 | 5.2 | 0.88 |
| 11 | 0.29 | 20 | 136 | e15 | e5.2 | 141 | 47 | 32 | 347 | 65 | 4.8 | 0.81 |
| 12 | 0.34 | 20 | 96 | e14 | e5.1 | 124 | 42 | 54 | 333 | 58 | 4.4 | 0.85 |
| 13 | 0.30 | 17 | 79 | e14 | e5.0 | 112 | 38 | 119 | 270 | 49 | 4.3 | 0.88 |
| 14 | 1.5 | 16 | 71 | e13 | e4.9 | 105 | 35 | 202 | 228 | 41 | 4.1 | 0.90 |
| 15 | 5.2 | 15 | 66 | e13 | e4.8 | 94 | 32 | 218 | 200 | 35 | 4.1 | 1.1 |
| 16 | 3.7 | 14 | 64 | e12 | e4.7 | 84 | 27 | 151 | 172 | 30 | 4.1 | 4.1 |
| 17 | 2.6 | 13 | 62 | e12 | e4.8 | 78 | 32 | 129 | 152 | 27 | 4.1 | 5.2 |
| 18 | 2.4 | 29 | 56 | e11 | e4.9 | 72 | 42 | 383 | 135 | 24 | 4.2 | 3.7 |
| 19 | 2.1 | 43 | 51 | e10 | e5.2 | 69 | 38 | 267 | 115 | 20 | 4.3 | 2.7 |
| 20 | 1.7 | 34 | 44 | e9.2 | 6.4 | 66 | 33 | 243 | 97 | 15 | 4.4 | 1.9 |
| 21 | 1.2 | 28 | 43 | e8.4 | 11 | 62 | 67 | 262 | 121 | 12 | 4.6 | 1.6 |
| 22 | 1.7 | 24 | 43 | e7.2 | 13 | 56 | 57 | 712 | 152 | 12 | 4.6 | 1.6 |
| 23 | 2.1 | 24 | 40 | e6.6 | 20 | 52 | 47 | 677 | 134 | 12 | 4.6 | 1.6 |
| 24 | 2.0 | 30 | 37 | e6.0 | 40 | 65 | 41 | 556 | 140 | 10 | 4.6 | 1.6 |
| 25 | 2.3 | 25 | 34 | e5.6 | 39 | 90 | 57 | 492 | 137 | 9.8 | 4.8 | 1.5 |
| 26 | 3.3 | 23 | 30 | e5.3 | 38 | 187 | 58 | 444 | 115 | 8.9 | 4.9 | 1.3 |
| 27 | 3.8 | 22 | 29 | e5.2 | 41 | 162 | 52 | 401 | 98 | 8.1 | 6.5 | 1.2 |
| 28 | 4.3 | 21 | 32 | e5.2 | 45 | 166 | 53 | 347 | 85 | 7.4 | 15 | 1.1 |
| 29 | 3.4 | 19 | 34 | e5.1 | 50 | 302 | 55 | 301 | 74 | 6.8 | 17 | 0.96 |
| 30 | 2.4 | 17 | 33 | e5.0 | --- | 216 | 46 | 320 | 66 | 6.3 | 12 | 0.79 |
| 31 | 2.0 | --- | 30 | e5.0 | --- | 180 | --- | 383 | --- | 6.0 | 8.0 | --- |
| TOTAL | 51.13 | 769.0 | 1377 | 422.8 | 398.8 | 4313 | 1851 | 6934 | 5195 | 1404.3 | 201.0 | 55.28 |
| MEAN | 1.65 | 25.6 | 44.4 | 13.6 | 13.8 | 139 | 61.7 | 224 | 173 | 45.3 | 6.48 | 1.84 |
| MAX | 5.2 | 58 | 136 | 28 | 50 | 400 | 156 | 712 | 347 | 163 | 17 | 5.4 |
| MIN | 0.21 | 1.5 | 14 | 5.0 | 4.7 | 52 | 27 | 14 | 66 | 6.0 | 4.1 | 0.79 |
| CFSM | 0.03 | 0.42 | 0.73 | 0.22 | 0.23 | 2.28 | 1.01 | 3.67 | 2.84 | 0.74 | 0.11 | 0.03 |
| IN. | 0.03 | 0.47 | 0.84 | 0.26 | 0.24 | 2.63 | 1.13 | 4.23 | 3.17 | 0.86 | 0.12 | 0.03 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2004, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 16.2 | 37.9 | 36.6 | 41.2 | 69.8 | 89.7 | 107 | 94.8 | 79.3 | 29.9 | 10.0 | 7.98 |
| 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 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1990 - 2004 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 7174.59 | 22972.31 | ||||
| ANNUAL MEAN | 19.7 | 62.8 | 51.5 | |||
| HIGHEST ANNUAL MEAN | 102 | 1993 | ||||
| LOWEST ANNUAL MEAN | 15.7 | 2003 | ||||
| HIGHEST DAILY MEAN | 136 | Dec 11 | 712 | May 22 | 777 | Apr 23 1999 |
| LOWEST DAILY MEAN | 0.21 | Oct 7,8,9 | 0.21 | Oct 7,8,9 | 0.03 | Sep 11 1991 |
| ANNUAL SEVEN-DAY MINIMUM | 0.24 | Oct 5 | 0.24 | Oct 5 | 0.05 | Sep 5 1991 |
| MAXIMUM PEAK FLOW | 831 | May 22 | 1160 A | Apr 23 1999 | ||
| MAXIMUM PEAK STAGE | 11.54 | May 22 | 12.88 B | Mar 6 1976 | ||
| INSTANTANEOUS LOW FLOW | 0.21 | Oct 7,8,9,10 | 0.03 | C | ||
| ANNUAL RUNOFF (CFSM) | 0.322 | 1.03 | 0.845 | |||
| ANNUAL RUNOFF (INCHES) | 4.38 | 14.02 | 11.48 | |||
| 10 PERCENT EXCEEDS | 49 | 172 | 132 | |||
| 50 PERCENT EXCEEDS | 14 | 23 | 24 | |||
| 90 PERCENT EXCEEDS | 0.49 | 1.6 | 2.1 | |||