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USGS Daily Statistics for Pennsylvania

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[!] 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 01476480 Ridley Creek at Media, PA


Delaware County, Pennsylvania
Hydrologic Unit Code 02040202
Latitude  39°54'58", Longitude  75°24'13" NAD27
Drainage area 30.5  square miles
Contributing drainage area 30.5  square miles
Gage datum 110 feet above NGVD29
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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 1986-10-01 -> 2023-09-30)

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 58 41 65 66 65 37 29 44 39 78 32 54
2 52 47 81 81 45 39 30 28 60 33 28 39
3 56 50 59 74 49 50 28 20 32 29 35 52
4 45 56 65 64 48 53 26 80 24 24 27 39
5 46 61 63 50 51 45 45 23 23 29 30 62
6 47 61 59 60 59 40 36 23 42 21 34 38
7 47 53 57 63 61 60 41 41 43 19 26 45
8 45 43 65 61 57 47 32 21 27 33 39 43
9 42 38 72 56 50 47 26 34 25 24 29 55
10 43 41 94 58 53 52 42 34 24 23 31 44
11 46 49 81 54 53 57 32 29 28 31 31 77
12 62 48 59 55 51 44 47 36 22 27 35 58
13 43 60 77 72 58 44 59 65 22 21 41 42
14 51 49 72 53 46 40 46 38 19 22 29 54
15 47 48 60 88 45 44 44 28 37 27 28 43
16 51 67 55 103 65 36 27 22 103 26 43 63
17 53 50 62 68 53 39 24 23 39 26 45 77
18 66 50 56 52 47 44 40 30 47 24 31 45
19 54 49 65 58 56 44 27 38 31 24 32 38
20 66 54 66 56 45 81 25 32 33 33 41 36
21 44 55 87 51 41 51 24 31 27 26 34 71
22 37 63 114 54 43 33 29 44 24 25 35 39
23 49 70 71 58 43 31 31 24 30 23 50 54
24 66 69 79 55 41 34 38 19 27 25 37 65
25 82 67 61 50 40 28 29 19 31 32 44 96
26 49 50 55 55 52 35 32 18 45 26 42 69
27 38 49 60 56 43 37 36 28 37 59 53 53
28 66 55 78 50 40 53 40 99 56 55 78 51
29 46 51 80 44 46 30 23 29 67 74 39 49
30 47   79 77 38 24 19 36 37 63 61 44
31 47   74   37   24 20   35   43