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TROPICAL CYCLONES IN 2011

Signal Number
of
occasions		 Duration of each occasion Total duration per year
Mean Maximum Minimum Mean Maximum Minimum
h min h min h min h min h min h min
1 or higher
347
42
53
161
0
4
30
265
41
570
15
36
35
 
 
 
 
(Tilda, 1964)
(T.D., 2000)
 
 
(1964)
(1959)
3 or higher
231
29
 37
124
15
4
30
122
11
306
35
15
5
 
 
 
 
(Mary, 1960)
( T.D., 2000)
 
 
(1974)
(2004)
8 or higher
81
14
57
66
50
2
40
21
38
100
55
0
0
 
 
 
 
(Mary, 1960)
(Wynne, 1984)
 
 
(1964)
 
 
8 NW
23
5
47
15
45
1
30
2
23
18
0
0
0
8 SW
31
4
49
10
45
2
0
2
40
16
10
0
0
8 NE
58
7
49
35
35
2
0
8
6
40
20
0
0
8 SE 45
7
26
21
45
0
20
5
59
31
15
0
0
9 or higher
20
7
2
12
25
2
0
2
31
19
25
0
0
 
 
 
 
(York,1999)
 (Dujuan, 2003)
 
 
(1964)
 
 
10
12
6
34
11
0
2
30
1
24
12
10
0
0
 
 
 
 
(York,1999)
(Alice, 1961)
 
 
(1964)
 
 


Note: ( ) are the years and the names of the tropical cyclones which created the record.

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