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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 01475510 Darby Creek near Darby, PA


Delaware County, Pennsylvania
Hydrologic Unit Code 02040202
Latitude  39°55'44", Longitude  75°16'22" NAD27
Drainage area 37.40  square miles
Gage datum 18.1 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 2018-10-01 -> 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
1 109 57 83 126 85 42 57 31 159 47 67 66
2 102 52 119 117 53 51 54 27 100 77 35 69
3 59 59 71 142 63 74 40 28 31 46 30 66
4 59 93 108 112 66 67 59 450 37 46 28 46
5 71 59 87 66 89 77 38 45 25 74 27 72
6 67 64 90 105 92 66 88 57 96 27 27 55
7 72 79 73 139 108 37 76 240 29 25 27 60
8 52 54 54 110 77 57 61 86 28 24 27 41
9 139 51 94 77 61 66 159 59 31 22 25 66
10 171 49 125 65 54 46 193 61 40 22 25 82
11 59 62 65 84 47 63 112 51 37 22 70 123
12 57 70 69 131 87 128 60 46 26 49 77 55
13 87 99 63 147 92 99 37 35 28 29 36 42
14 53 58 55 70 103 68 34 52 22 30 30 71
15 50 53 54 74 55 76 32 62 23 32 37 77
16 56 122 53 57 101 79 71 50 23 72 70 126
17 107 87 71 57 53 46 61 31 23 42 31 110
18 52 65 66 76 46 38 85 31 34 27 29 214
19 64 52 85 113 58 34 41 120 21 23 37 55
20 127 51 56 79 51 159 30 30 19 27 36 50
21 55 64 83 56 47 47 47 28 19 25 58 127
22 53 55 94 55 68 44 43 53 19 35 93 69
23 71 55 191 61 63 65 88 47 120 32 48 96
24 122 70 163 81 46 62 39 34 62 33 98 83
25 170 86 85 62 39 38 53 27 44 27 113 188
26 112 56 64 77 45 49 37 24 30 63 91 55
27 61 76 62 65 60 122 27 24 29 74 80 60
28 88 110 112 66 76 38 37 55 33 30 57 182
29 60 60 77 92 95 31 43 31 35 99 41 67
30 53   58 98 72 56 31 28 43 92 128 78
31 54   78   78   30 24   79   68