| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 69.7 | 71.3 | 72.6 | 77.4 | 79.2 | 84.2 | 88.9 | 89.4 | 87.5 | 82.2 | 75.2 | 70.7 | 79.0 |
| Highest Mean Max. Temperature (F) | 76.0 | 77.7 | 79.4 | 83.4 | 88.0 | 92.1 | 92.9 | 93.8 | 94.8 | 90.5 | 81.2 | 76.1 | 94.8 |
| Year Highest Occurred | 1976 | 1977 | 1988 | 1987 | 1984 | 1981 | 1984 | 1981 | 1984 | 1999 | 1995 | 1989 | 1984 |
| Lowest Mean Max. Temperature (F) | 63.9 | 66.6 | 65.7 | 68.1 | 72.6 | 77.6 | 83.5 | 85.0 | 80.2 | 76.8 | 70.4 | 63.3 | 63.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 1972 | 1972 | 1971 | 1971 |
| Mean Temperature (F) | 58.8 | 60.0 | 61.6 | 65.3 | 68.1 | 72.6 | 76.6 | 77.4 | 75.7 | 70.3 | 63.6 | 59.0 | 67.4 |
| Highest Mean Temperature (F) | 64.6 | 65.0 | 66.4 | 69.9 | 74.1 | 77.7 | 80.1 | 80.8 | 82.5 | 75.0 | 68.0 | 63.0 | 82.5 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1992 | 1997 | 1981 | 1984 | 1983 | 1984 | 1999 | 1995 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 55.4 | 56.8 | 56.8 | 58.6 | 63.4 | 67.6 | 72.4 | 74.1 | 69.8 | 67.5 | 59.5 | 54.0 | 54.0 |
| Year Lowest Occurred | 1973 | 1990 | 1973 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 1975 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 47.9 | 48.7 | 50.5 | 53.1 | 56.9 | 60.9 | 64.3 | 65.4 | 63.8 | 58.4 | 52.0 | 47.3 | 55.8 |
| Highest Mean Min. Temperature (F) | 54.1 | 54.1 | 55.8 | 57.9 | 62.8 | 63.9 | 67.8 | 69.5 | 70.1 | 62.4 | 55.9 | 53.3 | 70.1 |
| Year Highest Occurred | 1986 | 1995 | 1978 | 1992 | 1997 | 1997 | 1990 | 1983 | 1984 | 1983 | 1980 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 43.4 | 44.4 | 46.0 | 49.1 | 53.8 | 57.5 | 61.3 | 62.1 | 59.4 | 54.0 | 47.7 | 43.7 | 43.4 |
| Year Lowest Occurred | 1972 | 1974 | 1985 | 1975 | 1980 | 1982 | 1987 | 1999 | 1986 | 1971 | 1994 | 1987 | 1972 |
| Mean Precipitation (in.) | 3.53 | 3.60 | 2.94 | 0.90 | 0.23 | 0.06 | 0.01 | 0.02 | 0.17 | 0.31 | 1.00 | 1.67 | 14.44 |
| Highest Precipitation (in.) | 16.66 | 19.13 | 10.23 | 4.02 | 4.18 | 0.80 | 0.29 | 0.32 | 1.57 | 1.96 | 4.75 | 7.87 | 19.13 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1983 | 1998 | 1993 | 1992 | 1984 | 1986 | 1987 | 1982 | 1992 | 1998 |
| Lowest Precipitation (in.) | 0.02 | 0.14 | 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 | 1997 | 1997 | 1993 | 1997 | 2000 | 2000 | 2000 | 2000 | 1999 | 2000 | 1990 | 1997 |
| Heating Degree Days (F) | 200. | 152. | 146. | 80. | 45. | 9. | 0. | 0. | 4. | 15. | 97. | 201. | 949. |
| Cooling Degree Days (F) | 8. | 12. | 39. | 88. | 139. | 235. | 360. | 385. | 322. | 179. | 55. | 15. | 1837. |