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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 05448000 MILL CREEK AT MILAN, IL


Rock Island County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°26'32.7", Longitude  90°33'19.9" NAD83
Drainage area 62.4  square miles
Gage datum 564.82 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 1939-10-01 -> 2025-09-30)

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 33 29 74 71 81 75 63 16 19 14 40 30
2 40 32 67 95 80 61 37 19 14 13 35 47
3 34 32 84 67 64 59 34 21 14 15 30 33
4 45 59 112 58 85 57 42 32 12 15 24 24
5 72 36 74 77 68 64 37 31 14 22 21 22
6 31 39 58 73 63 60 51 25 18 38 21 22
7 28 32 55 54 73 75 92 33 16 19 24 24
8 25 56 54 57 90 83 125 32 16 19 20 22
9 31 71 65 65 77 78 67 21 22 18 20 21
10 23 56 102 77 103 72 44 26 19 77 35 23
11 23 31 83 86 98 59 59 18 12 29 21 25
12 47 35 72 73 77 75 44 31 14 15 21 23
13 40 55 99 64 111 125 41 16 81 19 21 22
14 32 47 85 74 95 88 40 18 50 20 20 31
15 45 54 99 76 75 72 35 22 21 21 18 40
16 33 47 80 87 68 72 31 28 14 15 38 34
17 57 78 98 81 84 81 28 31 21 31 20 25
18 43 108 93 107 82 94 46 18 25 44 22 22
19 35 96 116 68 67 86 55 16 17 23 20 21
20 32 125 61 89 65 69 27 21 24 17 23 22
21 31 116 53 112 65 76 37 28 33 16 26 22
22 51 87 75 95 58 77 33 14 26 16 23 21
23 62 135 69 79 85 62 26 17 18 24 21 23
24 58 87 53 147 72 72 26 16 33 22 19 28
25 50 73 54 94 75 106 43 17 20 25 22 49
26 34 59 54 70 82 49 27 44 22 24 24 38
27 39 77 61 79 86 77 31 14 16 22 29 72
28 33 65 65 74 111 48 23 21 21 20 25 39
29 28 39 100 83 112 57 18 33 15 19 22 38
30 30   91 86 105 95 30 33 13 30 24 43
31 29   85   67   18 21   27   33