1950 2006 1950 0 0 0 0 0 0 0 4 3 6 0 0 1951 0 0 0 0 1 0 0 3 4 2 0 0 1952 0 1 0 0 0 0 0 2 2 2 0 0 1953 0 0 0 0 1 0 0 3 4 4 1 1 1954 0 0 0 0 0 1 1 2 4 1 1 1 1955 0 0 0 0 0 0 1 4 5 2 0 0 1956 0 0 0 0 0 1 1 1 4 1 0 0 1957 0 0 0 0 0 2 0 1 4 1 0 0 1958 0 0 0 0 0 1 0 4 4 1 0 0 1959 0 0 0 0 1 2 2 1 3 2 0 0 1960 0 0 0 0 0 1 2 2 2 0 0 0 1961 0 0 0 0 0 0 1 0 6 2 2 0 1962 0 0 0 0 0 0 0 2 2 1 0 0 1963 0 0 0 0 0 0 1 1 5 2 0 0 1964 0 0 0 0 0 1 1 4 4 1 1 0 1965 0 0 0 0 0 1 0 2 2 1 0 0 1966 0 0 0 0 0 1 4 1 4 0 1 0 1967 0 0 0 0 0 0 0 1 4 3 0 0 1968 0 0 0 0 0 3 0 1 3 1 0 0 1969 0 0 0 0 0 0 1 5 6 5 1 0 1970 0 0 0 0 1 0 2 2 3 2 0 0 1971 0 0 0 0 0 0 1 4 6 1 1 0 1972 0 0 0 0 1 1 0 2 2 0 1 0 1973 0 0 0 0 0 0 2 2 2 2 0 0 1974 0 0 0 0 0 1 1 4 4 1 0 0 1975 0 0 0 0 0 1 1 2 3 1 0 1 1976 0 0 0 0 1 0 1 5 2 1 0 0 1977 0 0 0 0 0 0 0 1 3 2 0 0 1978 1 0 0 0 0 0 1 4 3 3 0 0 1979 0 0 0 0 0 1 2 3 2 1 0 0 1980 0 0 0 0 0 0 1 2 5 1 2 0 1981 0 0 0 0 1 1 0 3 4 1 2 0 1982 0 0 0 0 0 2 0 1 3 0 0 0 1983 0 0 0 0 0 0 0 2 2 0 0 0 1984 0 0 0 0 0 0 0 4 6 1 1 1 1985 0 0 0 0 0 0 2 3 3 2 1 0 1986 0 0 0 0 0 2 0 1 2 0 1 0 1987 0 0 0 0 0 0 0 3 3 1 0 0 1988 0 0 0 0 0 0 0 4 6 1 1 0 1989 0 0 0 0 0 1 3 3 2 1 1 0 1990 0 0 0 0 0 0 3 5 2 4 0 0 1991 0 0 0 0 0 1 0 1 3 3 0 0 1992 0 0 0 1 0 0 0 1 4 1 0 0 1993 0 0 0 0 0 1 0 4 3 0 0 0 1994 0 0 0 0 0 1 0 2 2 0 2 0 1995 0 0 0 0 0 1 4 7 3 4 0 0 1996 0 0 0 0 0 1 2 4 2 3 1 0 1997 0 0 0 0 1 1 3 0 1 2 0 0 1998 0 0 0 0 0 0 1 4 6 2 1 0 1999 0 0 0 0 0 1 0 4 3 3 1 0 2000 0 0 0 0 0 0 0 4 7 4 0 0 2001 0 0 0 0 0 1 0 3 4 5 2 0 2002 0 0 0 0 0 0 1 3 8 0 0 0 2003 0 0 0 1 0 1 2 3 5 2 0 2 2004 0 0 0 0 0 0 1 7 4 2 1 0 2005 0 0 0 0 0 2 5 5 5 7 3 1 2006 0 0 0 0 0 1 2 3 4 0 0 0 -999 Number of hurricanes or tropical storms that BEGAN in a month From the hurdat data dataset http://www.cdc.noaa.gov/Timeseries/Monthly/Hurricane/ hurrtrop.num.data