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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 01473169 Valley Creek at PA Turnpike Br near Valley Forge


Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°04'45", Longitude  75°27'40" NAD27
Drainage area 20.8  square miles
Contributing drainage area 20.8  square miles
Gage datum 108.62 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 1982-10-01 -> 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 37 31 37 52 43 31 29 32 63 48 27 38
2 32 32 49 63 38 31 27 26 38 30 26 33
3 37 37 36 55 41 36 27 23 30 26 28 33
4 30 37 43 49 41 35 24 55 23 24 26 29
5 30 38 39 47 39 33 27 24 22 27 31 41
6 31 41 38 45 43 36 30 23 43 22 27 36
7 33 34 38 45 42 40 29 22 34 21 23 36
8 31 30 45 42 40 30 31 23 31 35 30 30
9 39 29 44 44 37 33 29 27 32 24 27 37
10 38 30 56 47 37 38 34 33 23 24 26 36
11 34 33 43 40 37 39 31 25 27 29 29 54
12 36 39 38 41 38 32 37 28 22 23 30 40
13 30 38 48 47 39 34 48 62 23 21 30 40
14 35 32 46 37 34 30 30 34 22 25 25 48
15 30 36 39 59 34 30 29 24 36 26 26 34
16 31 41 37 75 45 28 27 21 70 25 33 44
17 31 33 40 44 37 27 26 26 33 24 35 53
18 38 34 37 40 35 34 28 24 40 23 24 48
19 51 33 44 41 39 34 27 37 31 41 28 32
20 54 34 42 40 33 59 24 29 36 29 29 30
21 33 38 61 39 31 33 29 31 23 28 26 41
22 29 43 60 42 33 28 25 33 25 24 32 33
23 38 41 50 42 34 27 31 23 30 23 33 44
24 44 41 49 41 32 32 35 22 27 25 29 41
25 49 40 39 40 32 29 35 21 31 26 29 45
26 40 32 38 40 36 33 37 21 31 27 36 41
27 37 33 42 39 34 42 34 26 46 45 33 35
28 47 36 54 38 32 37 33 65 45 37 51 39
29 32 39 51 36 45 26 24 35 36 50 34 35
30 33   51 58 37 27 22 25 35 35 41 31
31 33   49   30   24 21   26   30