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USGS Surface-Water 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 05540160 EAST BRANCH DU PAGE RIVER NEAR DOWNERS GROVE, IL


Dupage County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°49'54", Longitude  88°02'52" NAD83
Drainage area 26.6  square miles
Gage datum 659.85 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 47 39 70 74 128 69 53 31 32 30 50 57
2 41 42 65 64 103 70 47 32 29 37 47 56
3 46 44 63 60 86 62 51 47 34 64 42 47
4 55 47 58 57 74 57 46 51 34 57 42 41
5 54 44 67 57 69 63 43 51 33 49 51 41
6 44 42 60 64 60 50 40 44 33 44 48 39
7 39 50 57 58 68 46 38 43 43 35 41 42
8 41 48 75 63 66 53 36 38 37 39 37 38
9 41 54 94 79 91 66 39 34 39 35 40 40
10 41 53 98 71 98 69 41 31 37 33 47 43
11 55 52 87 72 96 67 36 38 46 40 50 43
12 51 48 71 73 101 62 40 37 45 38 42 48
13 56 40 68 64 91 57 39 39 59 42 37 42
14 57 41 66 61 81 65 34 37 73 77 34 50
15 51 41 60 81 89 66 36 35 59 79 35 57
16 46 44 56 85 71 71 36 37 44 51 31 47
17 49 63 56 75 74 58 39 46 38 44 33 40
18 46 66 64 95 80 53 63 42 35 47 41 38
19 42 61 61 88 67 63 63 37 45 37 38 36
20 42 88 56 95 56 60 52 49 39 33 34 37
21 42 106 53 82 65 59 45 54 42 30 38 41
22 54 90 52 68 75 66 42 54 37 38 35 44
23 60 77 63 73 64 70 55 57 41 47 35 47
24 60 70 61 65 59 72 78 60 38 49 37 41
25 55 62 58 64 72 71 66 50 31 55 39 42
26 53 58 55 68 84 76 49 49 36 51 40 44
27 48 82 55 76 75 67 37 46 38 58 60 59
28 47 71 63 79 74 49 36 39 41 45 65 63
29 47 45 64 83 77 45 49 40 37 38 55 60
30 51   67 109 72 46 38 33 32 47 57 53
31 44   78   81   33 34   56   52