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USGS Daily Statistics for Illinois

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05527950 MILL CREEK AT OLD MILL CREEK, IL


Lake County, Illinois
Hydrologic Unit Code 07120004
Latitude  42°24'55", Longitude  87°58'09" NAD83
Drainage area 61.0  square miles
Gage datum 668.00 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1989-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 53 45 90 134 125 70 53 19 12 17 33 55
2 48 49 91 114 111 77 45 17 13 33 38 69
3 48 53 93 108 101 66 51 17 23 31 37 63
4 51 58 86 104 92 68 49 18 20 28 36 59
5 48 58 96 96 86 70 42 16 19 26 40 55
6 47 60 90 98 78 63 38 16 18 37 43 51
7 49 65 89 91 75 57 35 22 16 30 38 50
8 47 65 93 94 71 68 35 20 14 29 36 49
9 47 80 99 118 86 84 38 17 13 26 41 45
10 45 69 119 124 97 75 35 16 18 24 43 46
11 49 68 133 127 93 85 34 15 17 31 46 44
12 45 70 130 119 92 93 76 14 33 28 43 45
13 51 59 150 110 117 99 56 13 51 26 41 43
14 51 60 147 109 119 92 50 13 40 30 37 51
15 44 56 136 123 117 83 48 12 36 29 36 52
16 40 54 128 134 101 92 44 11 33 25 35 50
17 48 53 118 123 96 73 42 11 32 24 33 46
18 46 63 115 141 105 68 55 17 32 25 35 43
19 42 73 107 131 102 88 51 22 30 22 34 40
20 44 98 101 157 105 96 46 33 28 21 32 38
21 43 110 102 144 106 83 45 27 27 19 33 39
22 49 89 104 135 110 84 42 25 27 18 32 44
23 55 85 107 142 101 77 40 29 28 27 33 50
24 58 94 101 121 92 70 43 26 23 34 31 46
25 53 94 101 111 88 64 34 23 21 32 31 50
26 48 86 104 118 88 64 29 22 21 30 40 50
27 47 93 112 123 86 73 37 21 20 43 53 65
28 48 82 106 111 82 59 30 20 23 34 53 64
29 46 69 104 105 78 57 25 20 22 31 53 59
30 50   103 112 74 66 21 17 20 35 53 62
31 46   123   73   21 14   36   59