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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 05514840 Dardenne Creek at O'Fallon, MO


St. Charles County, Missouri
Hydrologic Unit Code 07110009
Latitude  38°44'25.3", Longitude  90°41'42.2" NAD83
Drainage area 61.0  square miles
Gage datum 461.98 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 1999-10-01 -> 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 39 47 38 134 218 105 77 27 20 5.2 36 42
2 28 36 49 119 119 47 35 17 71 25 23 24
3 88 31 87 165 200 34 57 37 15 36 46 17
4 137 60 82 115 231 33 86 52 57 9.6 18 15
5 188 82 104 118 164 34 47 41 22 11 26 46
6 48 82 53 64 70 29 33 20 13 7 19 39
7 29 73 64 94 181 24 20 24 11 13 16 88
8 64 43 40 68 122 28 43 26 16 63 9.9 26
9 26 47 99 70 101 20 69 83 25 79 12 32
10 60 45 71 126 72 79 85 18 83 43 9.4 21
11 198 63 59 147 96 110 44 14 28 27 8.7 20
12 38 46 64 77 127 128 61 16 15 17 18 27
13 103 70 74 79 108 54 56 19 9.2 29 12 31
14 51 55 78 145 62 49 23 20 200 57 13 47
15 52 44 74 83 56 203 17 15 47 35 28 29
16 29 41 67 111 62 108 77 21 29 22 48 42
17 37 59 82 63 98 71 29 22 35 20 94 50
18 120 88 199 130 58 55 25 15 21 33 150 43
19 51 48 199 106 99 58 16 10 29 14 36 32
20 30 47 107 114 109 34 29 17 44 15 20 36
21 28 73 57 66 190 51 23 25 14 9.5 19 25
22 30 62 49 64 74 75 26 32 13 11 29 21
23 75 40 54 64 47 56 13 13 17 57 36 88
24 71 123 111 89 33 213 9 15 6.1 21 108 74
25 54 109 107 110 110 56 29 21 9.3 20 84 53
26 45 68 195 81 204 195 109 96 13 24 43 102
27 30 46 132 76 160 66 69 33 9 36 50 306
28 23 61 115 88 108 53 70 27 8.3 28 43 221
29 35 26 112 214 56 33 32 15 6.6 75 35 78
30 94   192 314 70 26 78 12 5.3 158 73 40
31 118   177   136   71 16   31   74