| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 68.1 | 69.6 | 69.8 | 73.1 | 74.5 | 79.5 | 83.8 | 84.8 | 83.3 | 79.0 | 73.2 | 68.7 | 75.6 |
| Highest Mean Max. Temperature (F) | 75.4 | 76.9 | 75.4 | 79.3 | 82.2 | 86.8 | 88.8 | 90.5 | 90.4 | 84.1 | 78.6 | 74.7 | 90.5 |
| Year Highest Occurred | 1986 | 1991 | 1997 | 1996 | 1984 | 1981 | 1985 | 1998 | 1984 | 1999 | 1976 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 61.9 | 64.1 | 62.9 | 63.4 | 69.2 | 71.7 | 79.1 | 80.2 | 77.6 | 72.6 | 68.1 | 60.9 | 60.9 |
| Year Lowest Occurred | 1979 | 1975 | 1975 | 1975 | 1977 | 1982 | 1991 | 1974 | 1986 | 2000 | 1978 | 1971 | 1971 |
| Mean Temperature (F) | 58.3 | 60.0 | 60.7 | 63.8 | 66.2 | 70.5 | 74.2 | 75.2 | 74.0 | 69.5 | 62.9 | 58.5 | 66.2 |
| Highest Mean Temperature (F) | 65.2 | 65.3 | 65.1 | 69.0 | 72.7 | 77.0 | 78.8 | 80.5 | 80.9 | 73.7 | 67.1 | 63.1 | 80.9 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1992 | 1997 | 1981 | 1985 | 1994 | 1984 | 1983 | 1995 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 52.6 | 54.3 | 55.1 | 55.5 | 61.4 | 64.9 | 70.4 | 71.2 | 68.4 | 65.1 | 57.9 | 52.2 | 52.2 |
| Year Lowest Occurred | 1979 | 1979 | 1975 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 2000 | 1978 | 1971 | 1971 |
| Mean Min. Temperature (F) | 48.5 | 50.3 | 51.6 | 54.4 | 57.9 | 61.4 | 64.6 | 65.6 | 64.6 | 59.9 | 52.6 | 48.3 | 56.6 |
| Highest Mean Min. Temperature (F) | 55.0 | 56.5 | 56.6 | 59.2 | 63.8 | 67.2 | 68.9 | 70.7 | 71.4 | 64.6 | 56.8 | 51.9 | 71.4 |
| Year Highest Occurred | 1986 | 1995 | 1983 | 1992 | 1997 | 1981 | 1984 | 1994 | 1984 | 1983 | 1995 | 1995 | 1984 |
| Lowest Mean Min. Temperature (F) | 43.3 | 43.3 | 46.1 | 47.5 | 53.6 | 57.3 | 60.5 | 61.4 | 59.2 | 55.7 | 47.6 | 41.2 | 41.2 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1977 | 1975 | 1987 | 1976 | 1986 | 1971 | 1978 | 1978 | 1978 |
| Mean Precipitation (in.) | 3.33 | 3.68 | 3.14 | 0.83 | 0.31 | 0.06 | 0.01 | 0.13 | 0.32 | 0.37 | 1.05 | 1.91 | 15.14 |
| Highest Precipitation (in.) | 12.56 | 13.68 | 8.37 | 5.16 | 3.10 | 0.76 | 0.18 | 2.26 | 2.82 | 2.37 | 4.41 | 6.57 | 13.68 |
| Year Highest Occurred | 1995 | 1998 | 1983 | 1983 | 1998 | 1993 | 1986 | 1977 | 1976 | 1987 | 1982 | 1971 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1984 | 1997 | 1997 | 2000 | 2000 | 2000 | 1999 | 1999 | 1999 | 2000 | 2000 | 1976 |
| Heating Degree Days (F) | 207. | 149. | 144. | 83. | 36. | 5. | 0. | 0. | 1. | 11. | 91. | 201. | 928. |
| Cooling Degree Days (F) | 15. | 23. | 26. | 58. | 84. | 178. | 295. | 325. | 281. | 164. | 44. | 13. | 1506. |