TC METRIC

South Indian Ocean Historical Tropical Cyclone Statistics

All columns are sortable.
Year Named Storms Named Storm Days Hurricanes Hurricanes Days Cat. 3+ Hurricanes Cat. 3+ Hurricanes Days Accumulated Cyclone Energy
1961 9 53.5 5 19 2 2.5 73.6
1962 15 73 5 9.75 0 0 64.4
1963 17 74.75 7 18.25 2 0.75 92.6
1964 17 68.75 7 16 1 1.25 79.8
1965 18 54.75 4 5.25 0 0 43.5
1966 16 68.25 6 15.75 1 1 75.4
1967 15 54.75 6 9.75 0 0 52.9
1968 18 109.5 10 33.5 2 2.25 142.3
1969 13 52.75 5 8.25 0 0 50.7
1970 17 117.5 11 33.5 2 10.25 170.3
1971 20 146 13 39.25 3 2.5 188.6
1972 15 87.25 8 22.25 2 6.25 125.2
1973 23 114.25 14 41.25 3 4.25 175.1
1974 18 93.25 8 16.5 0 0 94.1
1975 20 91.25 6 19.75 3 4.75 113.3
1976 16 87.75 7 22.75 3 5 115.4
1977 15 96.25 8 21 1 0.75 107.2
1978 20 101.5 9 29.5 4 5.25 140.1
1979 17 85.25 5 26.75 4 5.75 126.9
1980 16 127.75 12 46 9 15.25 233.9
1981 21 108.5 10 41.25 8 10.75 176
1982 19 111 9 35.75 2 6.25 158.7
1983 11 36.5 6 6.5 0 0 39.4
1984 24 108.75 11 38 3 7.25 168.4
1985 20 92.25 8 16 2 4 109.1
1986 21 94.75 9 34.75 5 8.25 147.8
1987 11 54.75 4 7.5 0 0 49.6
1988 13 53.75 6 11.75 2 3 68.8
1989 17 86.25 13 43.5 6 10.75 168.4
1990 17 92 9 36.75 4 8.25 158.3
1991 14 71.75 6 21.75 2 4 107.8
1992 14 68.25 7 36.25 7 15.5 157.6
1993 12 56.5 6 17.5 2 4.5 85.9
1994 22 123.5 13 50.75 7 14.5 230.5
1995 14 77.5 10 34 7 10 140.6
1996 18 93.5 13 44.25 7 16 201.5
1997 20 136 12 42.5 5 13.75 211.7
1998 15 66 6 14 2 4 80.2
1999 20 84 10 30 6 14.5 154.7
2000 17 106.25 12 48 7 14 197.1
2001 14 57.25 9 26.25 4 6 102.5
2002 17 82.25 10 36.5 7 15.75 174.3
2003 18 83 10 36.5 5 13 157.2
2004 15 96 12 39.75 6 14.75 176.8
2005 18 64.75 7 26.75 4 11.75 128.4
2006 15 56.75 5 19.5 5 8.75 101
2007 14 75.5 11 38.25 8 13 157.8
2008 21 103 10 32.5 5 7.75 156.5
2009 18 61 7 14.25 4 5.5 80.6
2010 14 57.5 8 19.75 5 9 104.2
2011 12 47.5 5 10.25 1 0.75 54.3
2012 16 75.5 9 24.5 2 7.75 122.4
2013 16 66.5 10 30 6 7.25 118.7
2014 14 60.5 9 25.25 7 13.75 135.1
2015 16 66.25 8 28.25 5 10 130.4
2016 9 42 5 18.25 3 8.25 94.7
2017 11 39 5 8.75 2 2 51
South Indian Ocean seasons are defined to start on July 1 of the previous year. For example, the 1961 season ran from July 1, 1960 through June 30, 1961.

Statistics calculated from Joint Typhoon Warning Center best tracks as archived in the International Best Track Archive for Climate Stewardship.
Available online here:

Missing intensity information prior to 1986 is supplemented with TC data from Charlie Neumann's specialized Southern Hemisphere TC dataset in a manner similar to Klotzbach (2006).