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UV Radiation Information

UV index observation

Distribution of daily maximum UV index in different exposure categories and months

 

Frequency distribution (number of days and percentage) of daily maximum UV index in different exposure categories and months
(1 August 1999 - 31 July 2009)

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Total

Low
(0-2)

40
1.1%
39
1.1%
48
1.3%
26
0.7%
15
0.4%
19
0.5%
6
0.2%
17
0.5%
5
0.1%
6
0.2%
16
0.4%
17
0.5%
254
7.0%

Moderate
(3-5)

186
5.1%
87
2.4%
83
2.3%
81
2.2%
38
1.0%
43
1.2%
27
0.7%
36
1.0%
43
1.2%
43
1.2%
101
2.8%
224
6.1%
992
27.2%

High
(6-7)

80
2.2%
101
2.8%
94
2.6%
50
1.4%
40
1.1%
37
1.0%
32
0.9%
34
0.9%
49
1.3%
138
3.8%
168
4.6%
69
1.9%
892
24.5%

V.High
(8-10)

3
0.1%
55
1.5%
83
2.3%
105
2.9%
119
3.3%
82
2.3%
64
1.8%
83
2.3%
161
4.4%
122
3.3%
15
0.4%
0
0.0%
892
24.5%

Extreme
(>=11)

0
0.0%
0
0.0%
2
0.1%
38
1.0%
98
2.7%
119
3.3%
181
5.0%
137
3.8%
38
1.0%
1
0.0%
0
0.0%
0
0.0%
614
16.8%

 

 

 

 

 

 

Last revision date: <27 Dec 2012>