| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.1 | 45.3 | 53.2 | 61.8 | 71.7 | 83.2 | 87.2 | 84.5 | 77.3 | 65.2 | 50.2 | 41.1 | 63.3 |
| Highest Mean Max. Temperature (F) | 50.7 | 53.4 | 62.4 | 69.9 | 77.6 | 88.8 | 91.9 | 89.5 | 83.1 | 74.3 | 59.8 | 47.9 | 91.9 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 2000 | 1988 | 1984 | 1985 | 1983 | 1988 | 1999 | 1989 | 1984 |
| Lowest Mean Max. Temperature (F) | 29.5 | 37.9 | 46.0 | 55.8 | 65.7 | 76.6 | 81.9 | 80.5 | 72.7 | 54.7 | 42.1 | 28.7 | 28.7 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1983 | 1978 | 1991 | 1992 | 1990 | 1986 | 1984 | 1972 | 1992 | 1992 |
| Mean Temperature (F) | 24.2 | 30.3 | 37.9 | 44.7 | 53.3 | 62.6 | 68.3 | 66.5 | 59.0 | 48.0 | 35.5 | 26.7 | 46.4 |
| Highest Mean Temperature (F) | 33.3 | 37.2 | 42.9 | 49.0 | 58.3 | 66.8 | 71.9 | 70.8 | 62.8 | 52.4 | 39.9 | 32.7 | 71.9 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1984 | 1988 | 1984 | 1983 | 1998 | 1988 | 1999 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 16.6 | 19.9 | 33.7 | 40.0 | 49.8 | 58.8 | 65.5 | 63.6 | 55.4 | 43.2 | 29.5 | 16.2 | 16.2 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1983 | 1978 | 1975 | 1987 | 1990 | 1986 | 1982 | 1992 | 1990 | 1990 |
| Mean Min. Temperature (F) | 9.2 | 15.3 | 22.6 | 27.5 | 34.8 | 42.0 | 49.4 | 48.5 | 40.6 | 30.7 | 20.8 | 12.3 | 29.5 |
| Highest Mean Min. Temperature (F) | 20.3 | 21.8 | 27.8 | 31.9 | 39.5 | 45.2 | 52.7 | 52.1 | 45.8 | 39.4 | 28.0 | 19.1 | 52.7 |
| Year Highest Occurred | 1980 | 1976 | 1978 | 1990 | 1984 | 1984 | 1998 | 1983 | 1997 | 1972 | 1978 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 2.8 | 1.1 | 17.2 | 23.4 | 30.8 | 37.5 | 45.5 | 44.5 | 36.5 | 26.2 | 15.8 | 0.9 | 0.9 |
| Year Lowest Occurred | 1975 | 1974 | 1988 | 1974 | 1983 | 1975 | 1987 | 1975 | 1988 | 1995 | 1992 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.29 | 1.11 | 1.37 | 0.84 | 0.94 | 0.40 | 1.19 | 1.71 | 1.51 | 1.43 | 1.27 | 1.02 | 14.08 |
| Highest Precipitation (in.) | 4.70 | 3.36 | 3.78 | 2.33 | 2.27 | 1.67 | 3.40 | 3.54 | 3.31 | 7.04 | 3.50 | 4.45 | 7.04 |
| Year Highest Occurred | 1980 | 1980 | 1982 | 1999 | 1978 | 1988 | 1977 | 1984 | 1997 | 1972 | 1986 | 1982 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.06 | 0.02 | 0.07 | 0.00 | 0.20 | 0.37 | 0.10 | 0.05 | 0.00 | 0.01 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1971 | 1991 | 1974 | 1989 | 1978 | 1985 | 1979 | 1995 | 1989 | 1989 | 1972 |
| Heating Degree Days (F) | 1266. | 972. | 841. | 611. | 366. | 118. | 19. | 41. | 195. | 528. | 886. | 1188. | 7031. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 45. | 121. | 89. | 12. | 0. | 0. | 0. | 269. |