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| Climatological Information for Birr, Ireland |
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| Location of weather station : 53.1 N, 7.9 W, altitude : 72 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 |
7.5 |
7.9 |
9.8 |
12.2 |
14.9 |
17.7 |
19.2 |
18.8 |
16.6 |
13.6 |
9.7 |
8.2 |
Mean Temperature (deg. C) |
1961-1990 |
4.8 |
4.8 |
6.2 |
7.9 |
10.5 |
13.3 |
15.0 |
14.6 |
12.6 |
10.2 |
6.6 |
5.6 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
1.8 |
1.8 |
2.5 |
3.5 |
5.9 |
8.7 |
10.7 |
10.3 |
8.5 |
6.7 |
3.1 |
2.5 |
| Rainfall Amount (mm) |
1961-1990 |
76.0 |
54.0 |
61.0 |
53.0 |
61.0 |
56.0 |
59.0 |
78.0 |
71.0 |
84.0 |
74.0 |
78.0 |
| Days with Rain* |
1961-1990 |
14.0 |
11.0 |
14.0 |
11.0 |
13.0 |
11.0 |
10.0 |
13.0 |
12.0 |
14.0 |
13.0 |
13.0 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
1.6 |
2.3 |
3.2 |
4.6 |
5.3 |
4.8 |
4.2 |
4.2 |
3.6 |
2.7 |
2.0 |
1.4 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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