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| Climatological Information for Karuizawa, Japan |
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| Location of weather station : 36.3 N, 138.6 E, altitude : 999 m |
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 Data Period |
 Jan |
 Feb |
 Mar |
 Apr |
 May |
 Jun |
 Jul |
 Aug |
 Sep |
 Oct |
 Nov |
 Dec |
Mean Maximum Temperature (deg. C) |
1965-1990 |
1.9 |
2.3 |
6.1 |
13.2 |
18.2 |
20.6 |
24.0 |
25.5 |
20.5 |
15.2 |
10.5 |
4.8 |
Mean Temperature (deg. C) |
1965-1990 |
-3.9 |
-3.6 |
-0.4 |
6.3 |
11.5 |
15.3 |
19.0 |
20.2 |
15.7 |
9.2 |
4.1 |
-1.1 |
Mean Minimum Temperature (deg. C) |
1965-1990 |
-9.5 |
-9.0 |
-6.0 |
-0.1 |
5.0 |
10.9 |
15.3 |
16.2 |
12.2 |
4.4 |
-1.2 |
-6.4 |
| Rainfall Amount (mm) |
1961-1990 |
29.9 |
43.0 |
59.6 |
84.2 |
108.8 |
187.4 |
184.1 |
159.3 |
173.3 |
107.7 |
50.7 |
23.3 |
| Days with Rain* |
1961-1990 |
5.0 |
5.6 |
8.5 |
9.4 |
10.4 |
14.2 |
13.9 |
11.4 |
12.1 |
9.1 |
5.9 |
4.0 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
5.5 |
5.6 |
5.9 |
5.8 |
6.2 |
4.2 |
4.1 |
5.1 |
3.6 |
4.4 |
5.0 |
5.3 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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