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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 01473470 Stony Creek at Sterigere Street at Norristown, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°07'38", Longitude  75°20'43" NAD27
Drainage area 20.40  square miles
Gage datum 82.3 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 2019-10-01 -> 2022-09-30)

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 67 14 137 39 57 11 31 12 465 9.2 28 47
2 81 15 51 30 22 9.6 13 12 114 9.1 22 26
3 34 16 45 26 24 33 17 5.5 31 7.7 17 21
4 35 16 47 24 47 76 12 567 24 7 14 20
5 26 19 33 22 34 66 7.2 39 17 19 12 90
6 22 47 35 21 21 23 97 22 15 7.6 11 29
7 20 88 37 19 18 14 21 19 13 6.5 11 25
8 19 33 27 44 42 29 8.8 16 11 6.1 10 18
9 18 25 27 22 38 19 15 12 16 6.5 8.8 16
10 20 35 26 19 18 17 168 15 14 5.5 8.7 14
11 16 78 25 27 16 32 32 14 12 5.7 27 13
12 18 34 24 31 14 13 35 12 9.5 20 51 15
13 15 40 29 209 12 9.9 17 9.5 8.5 9.3 24 13
14 15 28 21 46 11 10 9.5 7.6 8 6.9 17 35
15 14 23 19 31 10 12 8 7.4 7.2 5.8 27 20
16 19 114 18 25 9.6 7.9 7 12 7.8 16 27 17
17 92 52 18 22 9.1 6.9 16 8 7.2 13 15 17
18 23 34 37 21 8.5 12 16 7.6 7.3 7.9 13 15
19 23 29 110 19 7.9 11 7.2 123 6.9 7.3 12 14
20 34 26 32 17 7.3 17 5.7 13 6.2 7 11 13
21 19 23 26 19 6.9 10 23 9.2 6.3 6.9 11 16
22 14 24 22 16 20 14 13 59 6.4 5.8 11 54
23 15 26 70 15 35 7.9 19 38 107 5.6 47 31
24 14 47 178 63 10 7 30 16 21 6.3 16 183
25 138 70 61 29 8 5.4 8.8 11 13 15 13 243
26 37 46 36 36 10 5.1 7.1 9.3 11 50 26 40
27 22 97 29 25 12 4.8 6 8.2 9.9 16 16 26
28 19 155 145 19 25 5 5.3 133 16 12 14 24
29 16 16 75 29 82 7.2 4.9 28 12 90 12 20
30 14   43 61 27 4.4 5.9 17 29 81 214 21
31 14   41   15   11 13   63   24