| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.0 | 49.0 | 55.0 | 61.8 | 71.4 | 83.2 | 89.5 | 87.1 | 78.8 | 67.5 | 52.9 | 45.9 | 65.6 |
| Highest Mean Max. Temperature (F) | 54.9 | 56.0 | 63.2 | 69.7 | 79.1 | 90.7 | 93.2 | 91.9 | 84.9 | 73.4 | 65.5 | 55.9 | 93.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1981 | 1974 | 1994 | 1980 | 1995 | 1978 | 1992 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 34.1 | 36.2 | 49.8 | 53.8 | 62.5 | 74.3 | 85.5 | 80.8 | 68.6 | 59.7 | 42.6 | 30.8 | 30.8 |
| Year Lowest Occurred | 1979 | 1989 | 1987 | 1999 | 1995 | 1983 | 1992 | 1979 | 1985 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 30.5 | 34.5 | 40.0 | 46.6 | 55.9 | 66.2 | 72.2 | 70.3 | 62.0 | 50.9 | 38.5 | 31.7 | 49.9 |
| Highest Mean Temperature (F) | 39.9 | 41.1 | 46.1 | 53.2 | 60.8 | 71.8 | 75.0 | 73.6 | 67.0 | 54.3 | 46.8 | 41.2 | 75.0 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 1994 | 1994 | 1980 | 2000 | 1998 | 1975 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 19.5 | 23.7 | 35.8 | 40.8 | 50.4 | 59.5 | 69.6 | 66.5 | 56.4 | 46.8 | 30.8 | 18.3 | 18.3 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1983 | 1995 | 1983 | 1992 | 1979 | 1985 | 1984 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 15.9 | 19.9 | 25.0 | 31.3 | 40.4 | 49.2 | 54.9 | 53.5 | 45.2 | 34.2 | 24.1 | 17.4 | 34.3 |
| Highest Mean Min. Temperature (F) | 24.9 | 26.9 | 29.7 | 36.7 | 44.3 | 52.9 | 58.1 | 57.5 | 50.5 | 36.7 | 31.3 | 26.5 | 58.1 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 2000 | 1994 | 1999 | 2000 | 1998 | 1998 | 1998 | 1980 | 1999 |
| Lowest Mean Min. Temperature (F) | 4.9 | 11.1 | 18.1 | 25.7 | 36.4 | 44.7 | 51.5 | 50.0 | 40.6 | 30.0 | 18.0 | 5.7 | 4.9 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1997 | 1990 | 1983 | 1995 | 1974 | 1971 | 1976 | 1979 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.49 | 0.47 | 1.50 | 2.08 | 2.85 | 2.00 | 2.46 | 2.05 | 1.44 | 1.03 | 1.18 | 0.65 | 18.20 |
| Highest Precipitation (in.) | 1.31 | 1.01 | 5.11 | 7.53 | 8.74 | 6.32 | 6.34 | 5.77 | 4.31 | 5.10 | 3.25 | 3.84 | 8.74 |
| Year Highest Occurred | 1992 | 1985 | 1992 | 1999 | 1973 | 1995 | 1997 | 1979 | 1976 | 1984 | 1972 | 1973 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.31 | 0.00 | 0.00 | 0.00 | 0.32 | 0.19 | 0.00 | 0.06 | 0.19 | 0.00 | 0.00 |
| Year Lowest Occurred | 1988 | 1987 | 1999 | 1987 | 1984 | 1980 | 1996 | 1978 | 1992 | 1988 | 1984 | 1991 | 1988 |
| Heating Degree Days (F) | 1070. | 856. | 776. | 553. | 295. | 75. | 3. | 13. | 148. | 439. | 795. | 1035. | 6058. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 112. | 227. | 178. | 58. | 0. | 0. | 0. | 589. |