| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.9 | 48.3 | 55.7 | 63.5 | 73.1 | 84.3 | 92.1 | 89.9 | 81.0 | 67.8 | 53.0 | 43.8 | 66.3 |
| Highest Mean Max. Temperature (F) | 49.5 | 58.7 | 65.1 | 71.1 | 79.4 | 90.1 | 95.9 | 92.5 | 87.0 | 75.3 | 63.1 | 51.2 | 95.9 |
| Year Highest Occurred | 1996 | 1995 | 1972 | 1992 | 1984 | 1974 | 1994 | 1985 | 1979 | 1988 | 1999 | 1977 | 1994 |
| Lowest Mean Max. Temperature (F) | 35.2 | 42.1 | 48.5 | 55.4 | 65.5 | 74.8 | 88.0 | 87.9 | 74.7 | 60.0 | 43.8 | 35.7 | 35.2 |
| Year Lowest Occurred | 1979 | 1989 | 1973 | 1975 | 1995 | 1998 | 1993 | 1993 | 1986 | 1984 | 2000 | 1990 | 1979 |
| Mean Temperature (F) | 26.6 | 31.6 | 39.0 | 45.4 | 54.1 | 63.8 | 71.1 | 69.1 | 60.2 | 48.4 | 36.5 | 27.5 | 47.8 |
| Highest Mean Temperature (F) | 34.2 | 39.9 | 44.2 | 51.7 | 58.3 | 68.9 | 73.8 | 71.7 | 64.0 | 54.0 | 43.0 | 34.5 | 73.8 |
| Year Highest Occurred | 1999 | 1995 | 1986 | 1992 | 1984 | 1988 | 1994 | 1994 | 1990 | 1988 | 1999 | 1977 | 1994 |
| Lowest Mean Temperature (F) | 18.8 | 25.0 | 33.9 | 39.1 | 49.1 | 57.2 | 67.1 | 66.2 | 55.6 | 43.2 | 29.5 | 18.2 | 18.2 |
| Year Lowest Occurred | 1973 | 1985 | 1976 | 1975 | 1995 | 1995 | 1993 | 1975 | 1986 | 1984 | 2000 | 1990 | 1990 |
| Mean Min. Temperature (F) | 10.2 | 14.8 | 22.3 | 27.3 | 35.0 | 43.2 | 50.0 | 48.3 | 39.3 | 29.0 | 19.9 | 11.2 | 29.2 |
| Highest Mean Min. Temperature (F) | 20.5 | 21.8 | 27.3 | 32.7 | 39.0 | 50.4 | 53.4 | 53.6 | 44.9 | 34.3 | 25.0 | 17.7 | 53.6 |
| Year Highest Occurred | 1999 | 2000 | 1986 | 1989 | 1992 | 1988 | 1990 | 2000 | 1990 | 1972 | 1998 | 1977 | 2000 |
| Lowest Mean Min. Temperature (F) | 1.9 | 7.5 | 14.8 | 22.8 | 30.5 | 37.3 | 45.2 | 44.2 | 35.7 | 24.2 | 14.5 | 0.8 | 0.8 |
| Year Lowest Occurred | 1989 | 1985 | 1976 | 1975 | 1975 | 1995 | 1995 | 1975 | 1971 | 1996 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.78 | 0.78 | 1.02 | 1.00 | 1.12 | 0.75 | 1.05 | 1.69 | 0.93 | 1.38 | 0.79 | 0.65 | 11.94 |
| Highest Precipitation (in.) | 2.11 | 2.17 | 1.72 | 3.35 | 2.37 | 2.35 | 2.41 | 4.33 | 3.87 | 3.51 | 1.88 | 1.57 | 4.33 |
| Year Highest Occurred | 1980 | 1998 | 1983 | 1999 | 1995 | 1998 | 1985 | 1983 | 1982 | 1981 | 1994 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.19 | 0.13 | 0.04 | 0.04 | 0.09 | 0.00 | 0.20 | 0.11 | 0.04 | 0.00 | 0.00 | 0.06 | 0.00 |
| Year Lowest Occurred | 1990 | 1972 | 1999 | 1992 | 1974 | 1996 | 1994 | 1993 | 1979 | 1995 | 1999 | 1976 | 1996 |
| Heating Degree Days (F) | 1193. | 936. | 806. | 588. | 343. | 119. | 7. | 11. | 165. | 515. | 856. | 1162. | 6701. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 80. | 195. | 138. | 20. | 0. | 0. | 0. | 437. |