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Climatological Information for Guam, Pacific Islands, United States
Location of weather station : 13.5 N, 144.8 E, altitude : 77 m
Data
Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mean Maximum
Temperature
(deg. C)
1961-1990
29.6
29.7
30.1
30.6
30.8
31.0
30.7
30.6
30.7
30.9
30.6
30.1
Mean Temperature
(deg. C)
1961-1990
26.8
26.7
27.0
27.5
27.8
28.1
27.8
27.6
27.8
27.8
27.7
27.3
Mean Minimum
Temperature
(deg. C)
1961-1990
24.0
23.7
23.8
24.4
24.7
25.1
24.8
24.6
24.8
24.7
24.8
24.4
Rainfall Amount
(mm)
1961-1990
113.0
95.0
75.7
99.3
153.7
164.3
267.5
348.7
342.6
306.8
208.3
136.9
Days with Rain*
1961-1990
15.2
13.7
14.1
14.3
15.4
19.3
22.9
22.3
22.1
21.5
22.0
19.0
Mean Daily Sunshine
Duration
(hours)
1961-1990
5.7
6.2
7.0
7.1
7.1
6.5
5.0
4.6
4.4
4.3
4.5
4.6
* denotes number of days with at least 1.0 mm of rainfall
2003
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Last revision date: <20 Dec 2012>