Statistics of the hoisted Tropical Cyclone Warning Signal

Year Number of Tropical Cyclones Which Caused the Hoist of the Signals Max Wind Speed Max Gust The Longest Duration Date of 1st Hoisted Signal Date of Last Hoisted Signal
1 3 8 9
(Lowest Station Pressure)
10
(Lowest Station Pressure)
km/h
1968 6 5 1 - - 74 130 67H20 07/25 09/29
1969 2 1 - - - 57 91 38H30 07/27 09/27
1970 6 6 2 - - 48 94 67H20 07/14 10/14
1971 9 6 3 - - 78 130 61H30 05/28 10/07
1972 5 3 1 - - 48 101 139H20 06/10 11/07
1973 9 4 1 1 (977.7hPa) - 78 126 69H40 07/01 10/16
1974 12 8 1 1 (986.3hPa) - 80 119 71H00 06/06 12/01
1975 7 4 2 1 (989hPa) - 92 132 53H30 06/16 10/22
1976 6 5 2 - - 65 119 107H30 06/21 09/16
1977 8 4 1 - - 55 104 107H25 06/14 09/23
1978 8 6 2 - - 76 133 114H30 04/23 10/27
1979 4 3 2 - 1 (964.9hPa) 71 129 45H05 07/04 09/22
1980 8 4 1 - - 60 129 57H30 05/22 09/18
1981 5 3 1 - - 61 124 52H00 06/11 09/21
1982 5 3 - - - 36 75 66H45 06/28 10/15
1983 6 3 2 - 1 (963hPa) 100 150 62H30 07/16 10/23
1984 5 3 1 - - 47 98 99H20 06/24 09/04
1985 5 2 1 - - 61 129 48H30 06/22 10/20
1986 4 4 - - - 44 94 93H45 07/10 10/16
1987 5 - - - - 42 77 57H30 06/18 11/27
1988 6 3 - - - 34 81 64H15 05/31 10/25
1989 7 2 2 2 (982.3hPa) - 57 108 62H00 05/19 10/30
1990 6 3 - - - 34 63 95H15 05/17 09/15
1991 6 5 2 - 1 (981.4hPa) 51 105 136H00 07/12 09/16
1992 5 3 2 - - 49 90 49H15 06/27 08/16
1993 8 5 4 1 (982.3hPa) - 124 166 65H30 06/26 11/02
1994 4 3 - - - 55 101 38H30 06/06 09/11
1995 8 4 3 - - 82 116 70H00 07/28 10/01
1996 7 1 1 - - 87 108 41H30 07/21 10/19
1997 2 2 1 1 (966.9hPa) - 82 152 61H00 07/31 08/20
1998 2 2 - - - 54 100 63H00 08/09 10/24
1999 9 5 2 - 1 (965hPa) 108 181 88H00 04/29 10/06
2000 5 1 - - - 41 65 99H00 07/06 11/04
2001 5 5 1 - - 63 104 68H00 06/30 09/19
2002 3 2 1 - - 69 125 58H00 08/03 09/10
2003 4 3 2 - - 81 141 51H30 07/20 09/01
2004 1 1 - - - 25 46 42H35 07/15 07/15
2005 4 1 - - - 40 87 94H00 07/29 09/22
2006 7 3 1 - - 72 137 82H30 05/15 10/31
2007 3 2 - - - 45 76 34H00 08/08 09/23
Avg 5.65 3.3 1.15 0.18 0.1 --- --- --- --- ---