Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Pennsylvania

Click to hide state-specific text

[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 95 37 57 31 159 47 67 66
2 102 52 119 117 57 51 54 27 100 77 35 69
3 59 59 71 159 54 79 40 28 31 46 30 66
4 59 93 108 107 66 67 59 450 37 46 28 46
5 71 59 87 70 96 77 38 45 25 74 27 72
6 67 64 90 116 81 66 88 57 96 27 27 55
7 72 79 73 154 120 37 76 240 29 25 27 60
8 52 54 54 122 85 57 61 86 28 24 27 41
9 139 51 94 84 63 66 159 59 31 22 25 66
10 171 49 125 70 57 46 193 61 40 22 25 82
11 59 62 65 83 51 63 112 51 37 22 70 123
12 57 70 69 97 98 128 60 46 26 49 77 55
13 87 99 63 160 99 99 37 35 28 29 36 42
14 53 58 55 73 64 68 34 52 22 30 30 71
15 50 53 54 78 53 76 32 62 23 32 37 77
16 56 122 53 60 50 79 71 50 23 72 70 126
17 107 87 71 60 47 46 61 31 23 42 31 110
18 52 65 66 83 45 38 85 31 34 27 29 214
19 64 52 85 126 61 34 41 120 21 23 37 55
20 127 51 56 87 53 159 30 30 19 27 36 50
21 55 64 83 60 46 47 47 28 19 25 58 127
22 53 55 94 59 57 44 43 53 19 35 93 69
23 71 55 191 67 62 65 88 47 120 32 48 96
24 122 70 163 89 46 62 39 34 62 33 98 83
25 170 86 85 67 39 38 53 27 44 27 113 188
26 112 56 64 78 46 49 37 24 30 63 91 55
27 61 76 62 69 65 122 27 24 29 74 80 60
28 88 110 112 72 72 38 37 55 33 30 57 182
29 60 60 77 103 95 31 43 31 35 99 41 67
30 53   58 109 74 56 31 28 43 92 128 78
31 54   78   43   30 24   79   68