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| Climatological Information for Yamagata, Japan |
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| Location of weather station : 38.3 N, 140.4 E, altitude : 153 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 |
2.6 |
3.2 |
7.4 |
15.9 |
21.9 |
24.9 |
28.3 |
30.2 |
24.6 |
18.2 |
11.8 |
5.9 |
Mean Temperature (deg. C) |
1961-1990 |
-0.9 |
-0.6 |
2.6 |
9.6 |
15.4 |
19.4 |
23.1 |
24.6 |
19.4 |
12.7 |
6.9 |
2.1 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
-4.1 |
-4.1 |
-1.6 |
3.9 |
9.4 |
14.7 |
18.9 |
20.2 |
15.3 |
8.1 |
2.6 |
-1.3 |
| Rainfall Amount (mm) |
1961-1990 |
86.5 |
74.1 |
65.5 |
66.2 |
75.8 |
100.3 |
143.8 |
138.8 |
126.9 |
80.8 |
83.2 |
84.4 |
| Days with Rain* |
1961-1990 |
15.5 |
12.6 |
11.4 |
9.0 |
8.9 |
9.9 |
11.5 |
9.0 |
11.8 |
10.1 |
12.0 |
13.8 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
2.8 |
3.6 |
4.8 |
6.1 |
6.7 |
5.4 |
5.1 |
6.0 |
4.3 |
4.1 |
3.2 |
2.6 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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