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| Climatological Information for Rumoi, Japan |
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| Location of weather station : 44.0 N, 141.6 E, altitude : 24 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 |
-1.9 |
-1.5 |
2.4 |
9.2 |
14.9 |
18.5 |
22.6 |
24.4 |
20.6 |
14.5 |
7.3 |
1.3 |
Mean Temperature (deg. C) |
1961-1990 |
-5.1 |
-4.9 |
-0.9 |
5.2 |
10.5 |
14.7 |
19.0 |
20.6 |
16.3 |
10.3 |
3.9 |
-1.6 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
-8.8 |
-8.9 |
-4.7 |
1.3 |
6.3 |
11.3 |
16.0 |
17.3 |
12.1 |
6.0 |
0.6 |
-4.6 |
| Rainfall Amount (mm) |
1961-1990 |
108.8 |
76.7 |
61.0 |
53.3 |
60.9 |
66.0 |
94.1 |
148.4 |
147.1 |
142.3 |
144.0 |
136.7 |
| Days with Rain* |
1961-1990 |
21.4 |
17.1 |
14.2 |
9.1 |
9.5 |
8.7 |
8.9 |
10.0 |
12.7 |
15.6 |
19.4 |
22.4 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
1.6 |
2.7 |
4.6 |
5.7 |
6.1 |
6.1 |
5.6 |
5.6 |
5.8 |
4.2 |
1.8 |
0.9 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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