Station list
05527950 MILL CREEK AT OLD MILL CREEK, IL
LOCATION.--Lat 42°24'55", long 87°58'08", in SW¼SE¼ 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.--Annual maximum, water years 1962 to 1976. October 1989 to current year.
REVISED RECORDS.--WDR IL-77-1: 1962-76(M). WDR IL-91-2: 1990(P). WDR IL-92-2: 1990.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 668.00 ft above sea level. Prior to Oct. 1, 1989, at datum
8.85 ft higher.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,090 ft3/s, June 30, 1993, gage height, 12.06 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.--A gage height of 13.73 ft, present datum, discharge unknown, occurred between
October 1976 and September 1989, from mark on crest-stage gage.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
|
|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
|---|
| |
| 1 | 2.8 | 2.7 | 33 | 24 | 63 | 74 | 234 | 97 | 22 | 54 | .72 | 1.4 |
| 2 | 2.4 | 2.5 | 27 | 25 | 130 | 70 | 191 | 90 | 20 | 44 | .72 | .98
|
| 3 | 1.7 | 2.3 | 26 | 58 | 126 | 67 | 161 | 84 | 18 | 65 | .68 | 1.0 |
| 4 | 1.5 | 2.1 | 32 | 77 | 103 | 63 | 144 | 79 | 17 | 109 | .79 | 1.1 |
| 5 | 1.4 | 2.0 | 33 | 116 | 92 | 60 | 128 | 72 | 18 | 61 | .97 | .99
|
| |
| 6 | 1.1 | 3.1 | 28 | 158 | 86 | 58 | 116 | 67 | 18 | 45 | 2.0 | .83
|
| 7 | 1.3 | 4.4 | 25 | 248 | 91 | 55 | 109 | 134 | 17 | 38 | 15 | 1.1 |
| 8 | 1.9 | 4.2 | 25 | 184 | 87 | 75 | 206 | 178 | 16 | 33 | 34 | 1.1 |
| 9 | 2.2 | 3.6 | 24 | 199 | 83 | 118 | 301 | 140 | 16 | 29 | 18 | 1.2 |
| 10 | 1.5 | 3.3 | 28 | 158 | 80 | 89 | 257 | 123 | 15 | 24 | 12 | 1.2 |
| |
| 11 | 1.5 | 3.1 | 29 | e135 | 154 | 83 | 210 | 109 | 17 | 21 | 7.8 | 1.1 |
| 12 | 1.4 | 2.7 | 28 | e115 | 291 | 73 | 177 | 99 | 21 | 18 | 5.4 | 1.0 |
| 13 | 2.6 | 2.7 | 25 | 103 | 202 | 69 | 149 | 126 | 27 | 15 | 4.2 | 1.0 |
| 14 | 3.3 | 2.9 | 23 | e96 | 170 | 65 | 142 | 122 | 27 | 14 | 3.3 | 1.6 |
| 15 | 3.2 | 5.9 | 23 | e88 | 153 | 62 | 135 | 111 | 22 | 12 | 3.2 | 8.6 |
| |
| 16 | 2.6 | 7.2 | 23 | e79 | 149 | 58 | 491 | 98 | 17 | 9.2 | 3.6 | 10 |
| 17 | 2.5 | 7.2 | 26 | e72 | 161 | 64 | 365 | 85 | 14 | 6.8 | 3.2 | 6.1 |
| 18 | 2.2 | 6.9 | 28 | 67 | 188 | 233 | 321 | 73 | 12 | 5.5 | 2.7 | 3.9 |
| 19 | 2.0 | 6.6 | 29 | e64 | 163 | 243 | 291 | 64 | 16 | 4.8 | 2.0 | 2.7 |
| 20 | 1.8 | 6.4 | 32 | 60 | 146 | 195 | 260 | 57 | 15 | 4.3 | 1.8 | 2.3 |
| |
| 21 | 1.6 | 7.8 | 32 | 57 | 132 | 167 | 287 | 50 | 12 | 3.6 | 1.7 | 1.7 |
| 22 | 1.4 | 11 | 32 | e52 | 118 | 150 | 267 | 45 | 9.5 | 3.6 | 1.7 | 1.6 |
| 23 | 2.3 | 12 | 31 | e50 | 106 | 142 | 226 | 42 | 7.8 | 3.1 | 1.5 | 1.9 |
| 24 | 2.2 | 11 | 31 | e49 | 97 | 131 | 188 | 42 | 7.1 | 2.4 | 1.5 | 1.8 |
| 25 | 2.3 | 9.8 | 33 | e46 | 90 | 116 | 156 | 40 | 7.3 | 1.7 | 3.6 | 1.9 |
| |
| 26 | 3.0 | 13 | 32 | e47 | 83 | 102 | 150 | 37 | 45 | 1.4 | 4.5 | 1.9 |
| 27 | 8.8 | 15 | 29 | e48 | 83 | 90 | 137 | 32 | 51 | 1.3 | 3.2 | 1.8 |
| 28 | 9.2 | 20 | 27 | 49 | 79 | 82 | 122 | 31 | 84 | 1.2 | 3.8 | 1.6 |
| 29 | 6.3 | 21 | e26 | 54 | --- | 79 | 112 | 29 | 82 | 1.0 | 4.5 | 1.6 |
| 30 | 4.5 | 30 | 25 | 57 | --- | 79 | 103 | 27 | 66 | .93 | 4.2 | 1.7 |
| |
| 31 | 3.3 | --- | 24 | 57 | --- | 140 | --- | 25 | --- | .81 | 2.4 | --- |
| TOTAL | 85.8 | 232.4 | 869 | 2692 | 3506 | 3152 | 6136 | 2408 | 736.7 | 633.64 | 154.68 | 66.70
|
| MEAN | 2.77 | 7.75 | 28.0 | 86.8 | 125 | 102 | 205 | 77.7 | 24.6 | 20.4 | 4.99 | 2.22
|
| MAX | 9.2 | 30 | 33 | 248 | 291 | 243 | 491 | 178 | 84 | 109 | 34 | 10
|
| MIN | 1.1 | 2.0 | 23 | 24 | 63 | 55 | 103 | 25 | 7.1 | .81 | .68 | .83
|
| CFSM | .05 | .13 | .46 | 1.42 | 2.05 | 1.67 | 3.36 | 1.27 | .40 | .34 | .08 | .04
|
| IN. | .05 | .14 | .53 | 1.64 | 2.14 | 1.92 | 3.74 | 1.47 | .45 | .39 | .09 | .04
|
e Estimated
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1998, BY WATER YEAR (WY)
|
|---|
| MEAN | 8.18 | 43.9 | 45.3 | 50.0 | 71.6 | 104 | 117 | 89.4 | 56.7 | 31.5 | 11.5 | 6.83
|
| MAX | 34.1 | 127 | 106 | 126 | 134 | 157 | 297 | 245 | 188 | 168 | 44.0 | 24.6
|
| (WY) | 1991 | 1993 | 1992 | 1993 | 1997 | 1993 | 1993 | 1996 | 1996 | 1993 | 1990 | 1992
|
| MIN | 1.38 | 7.59 | 6.15 | 8.27 | 25.2 | 22.9 | 28.5 | 11.9 | 3.45 | 1.00 | .55 | .48
|
| (WY) | 1995 | 1990 | 1990 | 1994 | 1996 | 1996 | 1994 | 1994 | 1992 | 1991 | 1991 | 1991
|
| SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1990 - 1998 |
|---|
| ANNUAL TOTAL | 18181.9 | | 20672.92 | | |
|
| ANNUAL MEAN | 49.8 | | 56.6 | | 52.9 |
|
| HIGHEST ANNUAL MEAN | | | | | 102 | 1993
|
| LOWEST ANNUAL MEAN | | | | | 29.3 | 1994
|
| HIGHEST DAILY MEAN | 650 | Feb 21 | 491 | Apr 16 | 758 | Feb 20 1994
|
| LOWEST DAILY MEAN | 1.1 | Oct 6 | .68 | Aug 3 | .03 | Sep 11 1991
|
| ANNUAL SEVEN-DAY MINIMUM | 1.6 | Oct 4 | .80 | Jul 30 | .05 | Sep 5 1991
|
| INSTANTANEOUS PEAK FLOW | | | 609 | Apr 16 | 1090 | Jun 30 1993
|
| INSTANTANEOUS PEAK STAGE | | | 10.99 | Apr 16 | 12.06 | Jun 30 1993
|
| INSTANTANEOUS LOW FLOW | | | .65 | Jul 31, Aug 1-4 | .03 | A
|
| ANNUAL RUNOFF (CFSM) | .82 | | .93 | | .87 |
|
| ANNUAL RUNOFF (INCHES) | 11.10 | | 12.62 | | 11.78 |
|
| 10 PERCENT EXCEEDS | 108 | | 151 | | 140 |
|
| 50 PERCENT EXCEEDS | 28 | | 27 | | 25 |
|
| 90 PERCENT EXCEEDS | 2.5 | | 1.6 | | 2.0 |
|
A - Sept. 7, 8, 10, 11, 1991.