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| Climatological Information for Helwan, Egypt |
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| Location of weather station : 29.9 N, 31.3 E, altitude : 139 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 |
18.5 |
20.4 |
23.4 |
28.5 |
32.2 |
34.3 |
35.0 |
34.6 |
32.6 |
29.3 |
24.5 |
19.5 |
Mean Temperature (deg. C) |
1961-1990 |
13.0 |
14.5 |
16.9 |
21.4 |
24.7 |
27.3 |
27.7 |
27.6 |
25.8 |
23.3 |
18.8 |
14.4 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
7.9 |
8.9 |
10.9 |
14.3 |
17.3 |
20.0 |
20.9 |
21.1 |
19.8 |
17.6 |
13.7 |
9.8 |
| Rainfall Amount (mm) |
1961-1990 |
5.0 |
3.0 |
2.0 |
1.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
2.0 |
5.0 |
| Days with Rain* |
1961-1990 |
1.0 |
0.3 |
0.3 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
0.5 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
7.1 |
7.6 |
8.6 |
9.2 |
10.1 |
11.9 |
11.3 |
10.9 |
9.4 |
9.3 |
8.1 |
6.4 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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