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| Climatological Information for Irako, Japan |
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| Location of weather station : 34.6 N, 137.1 E, altitude : 6 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 |
8.6 |
9.1 |
12.4 |
17.9 |
22.1 |
25.0 |
28.7 |
30.4 |
26.9 |
21.6 |
16.4 |
11.2 |
Mean Temperature (deg. C) |
1961-1990 |
5.2 |
5.4 |
8.2 |
13.8 |
18.1 |
21.5 |
25.2 |
26.6 |
23.5 |
17.9 |
12.7 |
7.7 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
2.0 |
2.1 |
4.4 |
10.0 |
14.5 |
18.7 |
22.6 |
23.8 |
20.7 |
14.7 |
9.3 |
4.2 |
| Rainfall Amount (mm) |
1961-1990 |
51.4 |
72.1 |
112.5 |
144.4 |
175.9 |
215.1 |
182.7 |
184.6 |
200.6 |
150.8 |
94.1 |
42.8 |
| Days with Rain* |
1961-1990 |
5.0 |
6.0 |
9.3 |
10.5 |
10.3 |
11.7 |
10.1 |
8.0 |
10.3 |
9.3 |
6.7 |
4.6 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
5.9 |
6.0 |
6.3 |
6.0 |
6.6 |
5.2 |
6.1 |
7.4 |
5.3 |
5.3 |
5.4 |
5.7 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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