| Year | Temperature |
|---|---|
| 2014 | 100 °F |
| 2013 | 94 °F |
| 2012 | 99 °F |
| 2011 | 104 °F |
| 2010 | 103 °F |
| 2006 | 99 °F |
| 2005 | 95 °F |
| 2004 | 96 °F |
| 2003 | 93 °F |
| 2002 | 99 °F |
| 2001 | 94 °F |
| 2000 | 104 °F |
| 1999 | 97 °F |
| 1998 | 98 °F |
| 1997 | 95 °F |
| 1996 | 96 °F |
| 1995 | 98 °F |
| 1994 | 92 °F |
| 1993 | 96 °F |
| 1992 | 94 °F |
| 1989 | 96 °F |
| 1988 | 98 °F |
| 1987 | 98 °F |
| 1986 | 100 °F |
| 1984 | 94 °F |
| 1983 | 96 °F |
| 1982 | 96 °F |
| 1981 | 100 °F |
| 1980 | 104 °F |
| 1979 | 97 °F |
| 1978 | 101 °F |
| 1976 | 99 °F |
| 1973 | 102 °F |
| 1972 | 98 °F |
| 1971 | 94 °F |
| 1970 | 98 °F |
| 1969 | 100 °F |
| 1968 | 97 °F |
| 1967 | 96 °F |
| 1966 | 100 °F |
| 1965 | 97 °F |
| 1963 | 102 °F |
| 1962 | 99 °F |
| 1961 | 96 °F |
| 1960 | 98 °F |
| 1959 | 99 °F |
| 1958 | 98 °F |
| 1956 | 101 °F |