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Tropical Cyclone Statistics

Number of Tropical Cyclones necessitating the issuing of
Warning Signal between 1961-1990

Month
Number of Tropical Cyclones necessitating
the issuing of Warning Signals
No. 1 and/or
higher
No. 3 and/or
higher
No. 8 and/or
higher
No. 9 or
No. 10
January
-
-
-
-
February
-
-
-
-
March
-
-
-
-
April
0.07
-
-
-
May
0.27
0.20
0.10
0.03
June
0.80
0.40
0.10
-
July
1.67
1.20
0.37
0.03
August
1.17
0.77
0.30
0.13
September
1.53
1.13
0.37
0.10
October
1.17
0.97
0.20
0.10
November
0.13
0.10
0.03
-
December
0.03
0.03
-
-
Year
6.43
4.53
1.43
0.40

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