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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 01472199 West Branch Perkiomen Creek at Hillegass, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°22'26", Longitude  75°31'22" NAD27
Drainage area 23.0  square miles
Contributing drainage area 23.0  square miles
Gage datum 290.00 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 1981-10-01 -> 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 51 38 54 69 55 34 29 20 37 32 32 52
2 43 44 74 81 42 50 24 27 34 25 29 49
3 43 64 50 84 50 35 20 20 20 22 39 50
4 47 62 55 69 50 38 18 55 20 21 23 46
5 38 49 56 65 49 38 20 21 17 25 24 59
6 38 57 51 63 57 35 25 18 33 19 26 46
7 36 46 55 59 50 40 42 25 35 16 22 47
8 42 37 66 60 46 31 23 19 29 58 32 39
9 40 33 60 54 45 31 24 19 28 27 29 42
10 44 36 76 69 49 30 22 20 20 25 30 42
11 39 40 73 52 46 29 39 23 19 26 26 62
12 46 44 65 51 49 29 32 19 19 26 30 62
13 42 52 65 64 57 46 32 45 19 23 31 59
14 43 42 71 46 49 32 27 24 19 22 26 61
15 36 52 62 63 39 27 32 20 45 24 28 44
16 40 58 53 106 46 31 22 16 44 23 38 53
17 36 47 56 65 45 29 21 20 25 21 40 64
18 46 52 53 51 39 29 25 19 40 19 29 58
19 79 46 58 50 48 28 19 17 21 41 29 39
20 64 48 61 56 45 49 17 15 20 27 35 36
21 38 55 75 49 36 39 17 23 16 28 34 55
22 33 51 91 48 38 31 32 38 16 22 37 43
23 43 53 73 50 35 27 37 24 32 24 53 53
24 61 66 71 47 36 27 33 16 28 27 34 55
25 71 67 59 48 34 31 22 14 24 23 38 67
26 56 49 53 56 36 29 26 14 23 22 42 46
27 52 47 63 49 38 25 33 13 49 37 41 44
28 49 52 74 49 31 41 34 42 46 44 64 61
29 47 54 69 45 64 28 21 18 37 40 45 62
30 42   67 63 52 23 17 16 29 40 56 42
31 46   67   40   21 14   32   42