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USGS Daily Statistics for the Nation

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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 668.14 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 -> 2026-09-30)

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 50 48 91 138 129 66 49 19 11 15 30 51
2 45 50 91 123 115 72 42 18 12 29 34 63
3 45 56 93 122 108 62 47 18 20 27 33 58
4 48 60 87 117 99 62 44 18 17 24 32 54
5 45 58 98 109 91 66 39 16 16 22 36 50
6 44 59 92 112 83 59 35 17 15 31 39 47
7 46 62 90 102 80 53 32 21 14 26 35 46
8 44 62 93 103 78 62 33 19 13 25 33 45
9 44 76 99 120 87 75 35 16 12 22 37 42
10 43 67 118 123 94 67 35 15 16 21 39 43
11 46 64 128 123 89 75 33 15 16 27 42 45
12 43 66 124 116 87 81 68 14 31 24 39 45
13 50 56 139 107 107 86 51 13 46 23 37 44
14 50 56 135 107 115 80 49 12 36 27 34 49
15 44 53 126 116 121 72 57 11 33 26 33 52
16 40 51 119 124 100 83 59 11 29 22 32 49
17 46 51 111 119 105 65 49 11 28 21 31 45
18 44 59 107 131 113 60 56 15 29 22 32 41
19 41 66 101 121 106 76 52 20 27 20 32 38
20 42 88 97 141 109 82 47 29 25 19 30 37
21 41 97 97 130 109 72 45 24 24 18 30 37
22 46 81 98 125 109 72 42 22 24 17 30 42
23 51 84 100 135 100 68 40 26 24 25 31 47
24 54 89 97 114 91 61 43 23 21 31 30 43
25 51 88 99 105 86 62 35 20 19 30 31 46
26 51 82 103 110 89 60 30 19 19 28 39 47
27 51 94 108 113 86 68 36 18 18 39 49 60
28 52 85 112 103 81 55 30 17 20 31 49 59
29 50 63 110 117 77 53 26 17 20 29 49 55
30 53   108 125 72 61 22 15 17 32 49 58
31 49   125   69   21 13   33   55