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USGS Surface-Water 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 95 139 133 67 48 18 11 16 31 52
2 46 52 95 117 119 72 41 15 12 30 36 64
3 46 57 96 111 112 62 46 16 21 28 34 59
4 49 61 90 108 102 63 44 17 18 25 34 55
5 46 60 98 102 93 65 38 15 17 23 38 51
6 45 60 93 106 85 59 35 15 16 33 40 48
7 47 64 91 97 81 53 32 20 14 27 37 47
8 45 64 94 98 75 63 31 18 13 27 35 45
9 45 78 100 117 87 77 34 16 13 23 38 42
10 44 69 120 122 95 69 35 15 17 22 41 43
11 47 66 132 123 90 77 32 15 17 28 43 46
12 44 68 128 116 88 84 69 13 32 26 41 46
13 51 57 144 107 110 90 51 13 48 24 38 45
14 51 57 140 108 111 83 45 12 38 28 35 50
15 45 54 130 118 122 75 44 11 34 27 34 54
16 41 52 122 127 101 86 41 10 31 24 33 51
17 47 52 114 116 106 68 39 10 30 22 31 46
18 45 60 110 132 116 63 49 15 30 23 33 42
19 42 68 103 122 108 80 46 19 28 21 32 39
20 43 90 99 144 110 86 41 29 26 20 30 38
21 42 99 99 133 110 75 40 24 25 18 31 38
22 47 84 100 128 111 75 38 22 25 17 30 42
23 52 88 103 139 102 68 37 26 25 26 31 48
24 56 93 100 118 93 63 40 24 22 33 30 44
25 53 92 102 108 88 57 32 21 19 31 31 47
26 53 85 105 113 91 58 27 20 20 29 39 48
27 52 98 111 117 86 67 35 19 19 41 50 61
28 53 88 115 106 81 54 29 18 21 32 50 60
29 51 66 113 121 76 52 24 18 21 30 50 57
30 54   108 129 72 60 20 15 18 34 50 59
31 50   127   70   19 13   34   56