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| Climatological Information for Philadelphia, United States |
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| Location of weather station : 39.9 N, 75.2 W, altitude : 8 m |
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 Data Period |
 Jan |
 Feb |
 Mar |
 Apr |
 May |
 Jun |
 Jul |
 Aug |
 Sep |
 Oct |
 Nov |
 Dec |
Mean Maximum Temperature (deg. C) |
1961-1990 |
3.3 |
5.0 |
10.9 |
17.0 |
22.8 |
27.6 |
30.1 |
29.2 |
25.3 |
19.1 |
12.8 |
6.3 |
Mean Temperature (deg. C) |
1961-1990 |
-0.9 |
0.6 |
5.8 |
11.3 |
17.2 |
22.1 |
24.8 |
24.2 |
20.1 |
13.6 |
8.0 |
2.1 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
-5.1 |
-4.0 |
0.7 |
5.6 |
11.5 |
16.6 |
19.6 |
19.1 |
14.8 |
8.0 |
3.1 |
-2.2 |
| Rainfall Amount (mm) |
1961-1990 |
81.5 |
70.9 |
87.9 |
91.9 |
95.3 |
95.0 |
108.7 |
96.5 |
86.9 |
66.5 |
84.8 |
85.9 |
| Days with Rain* |
1961-1990 |
7.9 |
7.3 |
8.1 |
8.5 |
8.7 |
8.3 |
7.4 |
7.2 |
6.5 |
5.7 |
7.5 |
7.9 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
5.0 |
5.5 |
6.5 |
7.2 |
7.9 |
9.0 |
8.9 |
8.4 |
7.3 |
6.6 |
5.2 |
4.4 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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