| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.7 | 51.9 | 61.9 | 71.4 | 82.3 | 93.8 | 99.0 | 95.8 | 86.8 | 73.1 | 56.5 | 45.7 | 71.8 |
| Highest Mean Max. Temperature (F) | 52.1 | 60.1 | 69.6 | 79.6 | 89.0 | 99.9 | 102.3 | 99.5 | 93.1 | 79.8 | 62.9 | 53.6 | 102.3 |
| Year Highest Occurred | 1998 | 1995 | 1972 | 1989 | 1984 | 1974 | 1996 | 1996 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 31.2 | 45.8 | 53.8 | 62.9 | 75.5 | 88.7 | 95.0 | 92.1 | 80.6 | 65.7 | 49.8 | 36.3 | 31.2 |
| Year Lowest Occurred | 1973 | 1982 | 1973 | 1975 | 1995 | 1983 | 1983 | 1999 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 34.2 | 40.9 | 49.2 | 57.7 | 68.2 | 78.6 | 84.8 | 82.3 | 73.2 | 59.8 | 45.7 | 35.8 | 59.2 |
| Highest Mean Temperature (F) | 40.4 | 47.8 | 54.4 | 64.0 | 73.2 | 83.3 | 88.1 | 85.5 | 77.3 | 65.0 | 50.0 | 41.8 | 88.1 |
| Year Highest Occurred | 2000 | 1995 | 1972 | 1989 | 1984 | 1994 | 1996 | 2000 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 23.4 | 34.1 | 44.2 | 50.4 | 63.0 | 74.0 | 82.0 | 78.2 | 69.0 | 55.1 | 41.0 | 27.9 | 23.4 |
| Year Lowest Occurred | 1973 | 1974 | 1987 | 1975 | 1975 | 1975 | 1987 | 1975 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 24.7 | 29.9 | 36.5 | 44.0 | 54.0 | 63.4 | 70.5 | 68.7 | 59.6 | 46.5 | 34.9 | 25.9 | 46.6 |
| Highest Mean Min. Temperature (F) | 30.5 | 35.5 | 41.5 | 49.2 | 58.1 | 68.0 | 73.8 | 72.6 | 64.4 | 50.1 | 38.0 | 30.1 | 73.8 |
| Year Highest Occurred | 1980 | 1995 | 1990 | 1992 | 2000 | 1977 | 1996 | 2000 | 1990 | 1988 | 1983 | 1984 | 1996 |
| Lowest Mean Min. Temperature (F) | 15.7 | 21.3 | 30.6 | 37.9 | 48.4 | 58.3 | 66.2 | 60.6 | 54.1 | 40.6 | 31.1 | 19.4 | 15.7 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1986 | 1975 | 1993 | 1975 | 1975 | 1975 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.60 | 0.40 | 0.63 | 0.31 | 0.37 | 0.13 | 0.37 | 0.50 | 0.66 | 0.98 | 0.62 | 0.43 | 6.00 |
| Highest Precipitation (in.) | 1.98 | 1.27 | 2.35 | 1.47 | 1.89 | 1.03 | 1.40 | 1.63 | 2.07 | 6.53 | 1.97 | 2.37 | 6.53 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1975 | 1979 | 1972 | 1997 | 1989 | 1997 | 1972 | 1979 | 1978 | 1972 |
| 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 | 1986 | 1974 | 1999 | 1977 | 1984 | 2000 | 1971 | 1998 | 1989 | 1999 | 1989 | 1989 | 1986 |
| Heating Degree Days (F) | 955. | 675. | 494. | 246. | 57. | 2. | 0. | 0. | 8. | 196. | 579. | 905. | 4117. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 27. | 153. | 411. | 613. | 534. | 253. | 36. | 0. | 0. | 2031. |