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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 01479820 Red Clay Creek near Kennett Square, PA


Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°49'00", Longitude  75°41'31" NAD27
Drainage area 28.3  square miles
Gage datum 196.02 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 1987-10-01 -> 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 51 44 45 57 49 32 30 43 37 56 33 51
2 41 46 78 63 40 36 26 27 32 33 30 44
3 48 53 52 59 40 49 29 21 22 27 35 47
4 40 52 67 48 39 39 27 51 22 26 32 38
5 40 56 58 42 44 37 48 22 26 27 29 53
6 40 69 60 48 52 33 26 21 44 27 33 43
7 43 49 54 52 51 49 29 52 38 21 28 47
8 41 39 65 48 47 34 32 21 26 43 39 40
9 53 38 64 48 41 38 28 27 30 27 35 53
10 54 38 94 58 47 44 31 32 24 28 32 47
11 44 46 58 48 43 53 27 25 32 46 29 85
12 59 48 49 49 47 39 42 39 23 28 43 55
13 43 55 63 63 48 39 50 67 22 26 39 52
14 51 45 57 44 40 31 31 30 24 30 32 70
15 44 44 47 77 39 39 27 23 139 31 33 47
16 45 55 48 77 53 37 35 20 73 29 44 67
17 44 46 53 48 42 39 24 24 31 28 41 77
18 56 44 49 43 40 40 31 25 41 28 30 62
19 78 45 56 47 48 45 25 44 39 51 38 39
20 70 51 61 48 37 75 25 26 37 37 37 38
21 38 53 83 46 35 40 25 26 25 32 29 67
22 35 68 90 47 35 30 25 27 31 29 38 37
23 47 69 56 48 35 31 34 26 46 26 45 58
24 58 67 68 43 36 31 37 21 28 33 41 53
25 75 59 47 40 33 28 34 21 27 32 38 59
26 48 44 45 47 44 40 27 20 35 30 47 62
27 46 45 51 45 37 38 30 26 36 61 48 46
28 64 50 71 43 33 73 46 70 79 56 78 51
29 40 47 64 39 44 29 25 31 47 74 40 45
30 48   66 74 34 26 25 27 40 44 58 41
31 42   64   31   29 21   31   39