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USGS 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 05439000 SOUTH BRANCH KISHWAUKEE RIVER AT DEKALB, IL


Dekalb County, Illinois
Hydrologic Unit Code 07090006
Latitude  41°55'52", Longitude  88°45'35" NAD83
Drainage area 77.7  square miles
Gage datum 831.82 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 1925-10-01 -> 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 56 52 106 126 114 121 74 21 25 26 38 62
2 48 51 104 115 111 117 114 18 21 25 48 72
3 44 49 121 123 98 95 111 19 18 33 39 72
4 53 53 118 108 86 97 85 31 17 30 32 65
5 49 74 116 104 86 92 64 28 14 27 33 55
6 46 55 106 115 83 82 52 42 15 24 39 49
7 47 49 97 104 85 78 54 44 17 27 32 50
8 45 50 104 101 92 82 50 36 34 25 29 51
9 42 57 128 112 103 91 59 25 38 23 33 54
10 39 62 157 103 104 92 56 25 33 19 43 50
11 41 61 162 106 123 96 50 22 26 19 44 47
12 35 62 158 98 148 130 51 18 21 21 42 50
13 37 57 154 89 144 135 50 18 50 18 40 50
14 42 61 136 88 140 142 40 34 66 18 45 66
15 40 56 119 95 148 122 45 38 65 24 46 70
16 38 48 115 119 119 111 46 30 50 20 42 62
17 44 53 106 112 107 98 41 40 42 25 49 56
18 39 71 104 122 113 91 76 36 31 31 58 48
19 45 79 103 117 104 90 88 29 27 26 57 43
20 47 104 99 123 92 83 78 36 22 22 53 42
21 46 119 90 114 101 75 59 32 21 19 49 41
22 50 104 86 107 112 82 58 27 24 19 44 42
23 55 106 96 111 110 93 50 37 28 25 49 49
24 57 103 106 94 109 97 46 72 27 28 46 54
25 50 116 101 91 110 94 36 59 25 29 43 65
26 48 98 98 87 123 85 29 57 32 29 49 60
27 43 105 100 86 120 78 28 57 27 35 57 62
28 43 99 109 85 118 71 27 47 29 30 68 68
29 41 73 109 98 129 71 29 41 32 25 66 72
30 45   103 113 142 78 32 32 29 29 61 65
31 53   112   132   29 25   32   62