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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 01472198 Perkiomen Creek at East Greenville, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°23'38", Longitude  75°30'57" NAD27
Drainage area 38.0  square miles
Contributing drainage area 38.0  square miles
Gage datum 287.5 feet above NAVD88
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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 -> 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 74 57 83 109 91 58 45 37 70 55 53 84
2 65 68 110 135 66 81 43 46 53 42 47 81
3 69 104 77 133 81 55 35 32 32 36 76 78
4 71 99 88 111 81 59 33 88 32 35 39 65
5 60 78 82 102 78 60 38 33 32 42 40 91
6 61 85 80 99 86 54 39 29 57 32 41 74
7 58 70 84 95 81 58 67 42 61 28 36 77
8 67 61 93 96 75 50 42 31 52 93 49 66
9 64 54 101 85 71 49 48 34 45 41 47 69
10 73 57 116 105 76 47 41 32 33 40 49 68
11 63 65 114 83 70 47 67 43 32 41 42 101
12 70 72 104 82 79 46 53 31 30 38 49 91
13 67 79 101 102 90 82 46 77 33 46 52 90
14 66 62 112 75 76 54 51 36 30 38 42 95
15 56 78 101 93 62 44 52 33 62 40 45 69
16 62 85 86 154 71 47 37 26 74 40 60 80
17 57 71 89 101 72 49 36 47 39 34 62 104
18 73 77 84 82 63 50 39 30 81 32 47 100
19 122 69 88 82 68 50 34 29 36 77 49 62
20 102 74 92 91 68 75 31 27 37 45 59 58
21 59 84 114 79 57 70 29 34 28 46 54 83
22 53 84 134 77 61 48 62 67 28 36 59 67
23 69 87 116 81 56 43 60 42 49 40 89 80
24 98 101 113 76 59 42 52 28 48 43 53 86
25 107 112 94 76 57 52 35 24 37 37 64 106
26 93 76 84 89 57 48 48 25 39 36 68 69
27 84 73 95 77 66 48 51 23 76 60 66 68
28 80 81 111 76 54 66 63 88 70 73 104 93
29 77 83 106 70 103 46 33 31 57 71 70 70
30 67   107 100 79 37 28 29 47 64 92 61
31 74   106   64   38 24   49   60