| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.2 | 45.3 | 53.1 | 61.4 | 70.9 | 82.9 | 89.0 | 86.9 | 78.1 | 66.7 | 50.2 | 41.7 | 63.9 |
| Highest Mean Max. Temperature (F) | 53.5 | 54.7 | 61.0 | 69.1 | 78.4 | 89.6 | 93.1 | 92.3 | 86.3 | 72.0 | 64.4 | 54.7 | 93.1 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1981 | 1998 | 1994 | 1997 | 1995 | 1998 | 1975 | 1999 | 1980 | 1997 |
| Lowest Mean Max. Temperature (F) | 27.7 | 33.2 | 44.1 | 51.7 | 60.8 | 75.8 | 83.8 | 83.2 | 71.8 | 55.8 | 37.4 | 25.3 | 25.3 |
| Year Lowest Occurred | 1979 | 1989 | 1984 | 1983 | 1995 | 1983 | 1992 | 1993 | 1985 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 26.1 | 31.0 | 38.4 | 46.6 | 56.4 | 67.3 | 73.1 | 71.5 | 62.1 | 50.4 | 35.8 | 27.9 | 48.9 |
| Highest Mean Temperature (F) | 37.8 | 37.3 | 44.6 | 52.6 | 61.8 | 73.1 | 76.1 | 75.9 | 68.3 | 53.4 | 44.0 | 38.8 | 76.1 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 1994 | 1994 | 2000 | 1995 | 1998 | 1992 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 14.1 | 22.2 | 32.8 | 40.3 | 50.8 | 62.1 | 70.3 | 68.1 | 57.9 | 45.2 | 26.1 | 13.8 | 13.8 |
| Year Lowest Occurred | 1979 | 1989 | 1984 | 1983 | 1995 | 1983 | 1992 | 1974 | 1974 | 1984 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 12.0 | 16.6 | 23.6 | 31.8 | 41.8 | 51.6 | 57.2 | 56.0 | 46.0 | 34.1 | 21.3 | 14.0 | 33.8 |
| Highest Mean Min. Temperature (F) | 22.0 | 25.5 | 28.6 | 36.1 | 46.5 | 56.7 | 60.2 | 59.4 | 51.0 | 39.1 | 28.4 | 22.9 | 60.2 |
| Year Highest Occurred | 1986 | 1992 | 1992 | 1992 | 1994 | 1994 | 1998 | 1995 | 1990 | 1994 | 1998 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 0.5 | 10.1 | 17.0 | 25.0 | 35.2 | 46.9 | 54.1 | 51.7 | 40.3 | 30.2 | 13.6 | 2.3 | 0.5 |
| Year Lowest Occurred | 1979 | 1975 | 1975 | 1975 | 1975 | 1975 | 1972 | 1974 | 1974 | 1976 | 1979 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.43 | 0.35 | 1.04 | 1.57 | 2.76 | 1.86 | 2.33 | 1.81 | 1.13 | 0.82 | 0.81 | 0.43 | 15.34 |
| Highest Precipitation (in.) | 1.15 | 1.01 | 3.34 | 5.12 | 6.06 | 4.07 | 5.93 | 4.82 | 3.44 | 3.73 | 2.74 | 1.60 | 6.06 |
| Year Highest Occurred | 1989 | 1987 | 1981 | 1999 | 1975 | 1995 | 1991 | 1997 | 1973 | 1984 | 1972 | 1973 | 1975 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.13 | 0.32 | 0.17 | 0.46 | 0.64 | 0.28 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 |
| Year Lowest Occurred | 1983 | 1991 | 1982 | 1982 | 1974 | 1980 | 1994 | 1973 | 1978 | 1988 | 1989 | 1980 | 1983 |
| Heating Degree Days (F) | 1206. | 954. | 825. | 553. | 286. | 64. | 2. | 11. | 142. | 454. | 878. | 1152. | 6527. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 17. | 131. | 254. | 211. | 53. | 0. | 0. | 0. | 666. |