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USGS Daily Statistics for the Nation

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 668.14 feet above NAVD88
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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 -> 2024-09-30)

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 51 49 93 140 133 67 48 18 11 16 31 52
2 46 52 93 123 119 72 41 15 12 30 36 64
3 46 57 95 120 112 62 46 16 21 28 34 59
4 49 61 89 116 102 63 44 17 18 25 34 55
5 46 60 98 108 93 65 38 15 17 23 38 51
6 45 60 93 111 85 59 35 15 16 33 40 48
7 47 64 91 102 81 53 32 20 14 27 37 47
8 45 64 94 103 75 63 31 18 13 27 35 45
9 45 78 100 121 87 77 34 16 13 23 38 42
10 44 69 120 125 95 69 35 15 17 22 41 43
11 47 66 130 125 90 77 32 15 17 28 43 46
12 44 68 126 117 88 84 69 13 32 26 41 46
13 51 57 142 108 110 90 51 13 48 24 38 45
14 51 57 138 108 111 83 45 12 38 28 35 50
15 45 54 129 118 122 75 44 11 34 27 34 54
16 41 52 121 127 101 86 41 10 31 24 33 51
17 47 52 113 116 106 68 39 10 30 22 31 46
18 45 60 109 132 116 63 49 15 30 23 33 42
19 42 68 102 122 108 80 46 19 28 21 32 39
20 43 90 97 144 110 86 41 29 26 20 30 38
21 42 99 98 133 110 75 40 24 25 18 31 38
22 47 83 99 128 111 75 38 22 25 17 30 42
23 52 87 102 139 102 68 37 26 25 26 31 48
24 56 91 98 118 93 63 40 24 22 33 30 44
25 53 90 100 108 88 57 32 21 19 31 31 47
26 53 83 104 113 91 58 27 20 20 29 39 48
27 52 96 110 117 86 67 35 19 19 41 50 61
28 53 87 114 106 81 54 29 18 21 32 50 60
29 51 63 112 121 76 52 24 18 21 30 50 57
30 54   109 129 72 60 20 15 18 34 50 59
31 50   127   70   19 13   34   56