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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 -> 2021-09-30)

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 52 46 90 136 136 69 51 18 12 17 32 55
2 48 49 91 115 121 76 44 16 13 33 37 68
3 47 56 94 109 110 65 49 17 22 30 36 62
4 50 61 88 104 99 66 46 17 19 27 35 58
5 47 60 97 96 92 68 40 16 18 25 40 54
6 47 61 92 97 83 61 36 16 17 36 42 50
7 49 65 90 90 78 55 33 21 15 29 38 49
8 46 65 95 93 73 65 33 19 14 28 35 48
9 47 79 101 114 86 80 36 16 13 25 40 44
10 44 69 123 120 95 72 37 16 18 24 42 45
11 48 67 135 122 91 81 34 16 17 30 45 43
12 45 69 131 116 90 88 73 14 32 27 43 47
13 52 58 148 107 113 94 54 13 50 26 40 46
14 53 58 144 106 115 87 48 13 39 29 37 52
15 46 55 133 119 127 79 46 11 35 28 35 53
16 42 53 125 129 105 87 43 11 31 24 34 51
17 49 53 115 118 111 69 41 11 31 23 33 46
18 47 62 112 135 121 64 52 16 31 24 35 43
19 43 70 105 125 113 83 49 21 29 21 34 40
20 45 94 100 149 115 90 44 31 27 20 32 39
21 43 105 102 137 114 79 43 26 26 19 32 39
22 49 86 103 128 116 79 40 24 26 18 32 44
23 55 82 105 135 106 72 38 28 26 28 33 49
24 58 91 100 115 98 67 41 25 22 35 31 45
25 54 91 100 106 92 60 33 22 20 32 31 49
26 49 85 102 112 91 61 28 21 20 31 40 49
27 48 90 109 117 87 71 36 20 19 43 53 64
28 48 81 115 107 83 58 29 19 21 34 52 63
29 47 66 114 123 79 55 24 19 22 31 53 58
30 50   110 132 74 63 20 16 19 35 53 61
31 47   127   72   20 14   36   58