| CHARLESTON, SOUTH CAROLINA | ||||||||
| WETTEST ALL TIME MONTHS | DRIEST ALL TIME MONTHS | |||||||
| Amount | Month | Year | Amount | Month | Year | |||
| 27.24 | June | 1973 | Trace | October | 2000 | |||
| 18.46 | July | 1964 | 0.01 | April | 1972 | |||
| 17.31 | September | 1945 | 0.03 | November | 2007 | |||
| 17.24 | August | 1940 | 0.04 | October | 1942 | |||
| 16.99 | August | 1974 | 0.08 | October | 1943 | |||
| 16.32 | August | 1971 | 0.16 | November | 1998 | |||
| 16.07 | June | 1962 | 0.18 | September | 1990 | |||
| 16.01 | June | 1941 | 0.18 | October | 1978 | |||
| 15.36 | September | 1979 | 0.25 | October | 1972 | |||
| 14.74 | September | 1998 | 0.27 | May | 1941 | |||
| ANNUAL EXTREMES ON RECORD | ||||||||
| Five Wettest Years | Five Driest Years | Five Snowiest Seasons | ||||||
| 1964 | 72.98 | 1954 | 30.31 | 1989-1990 | 8 | |||
| 1973 | 72.17 | 1951 | 34.06 | 1972-1973 | 7.1 | |||
| 1958 | 72.16 | 1955 | 36.11 | 1980-1981 | 3.8 | |||
| 1994 | 70.54 | 1938 | 36.15 | 1943-1944 | 2.1 | |||
| 1998 | 67.72 | 1942 | 36.99 | 1968-1969 | 2 | |||
| Five Warmest Years | Five Coldest Years | |||||||
| 1990 | 69.3 | 1969 | 63.0 | |||||
| 1998 | 67.9 | 1968 | 63.6 | |||||
| 1991 | 67.5 | 1966 | 63.6 | |||||
| 1986 | 67.5 | 1960 | 63.8 | |||||
| 2007 | 67.2 | 1976 | 63.9 | |||||
| ** Data history goes back to 1938. Updated September 9, 2009. ** | ||||||||