| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 46.5 | 52.8 | 61.3 | 69.6 | 78.5 | 89.9 | 94.8 | 92.5 | 83.8 | 73.0 | 57.1 | 47.7 | 70.6 |
| Highest Mean Max. Temperature (F) | 59.1 | 62.9 | 69.5 | 78.8 | 84.6 | 95.7 | 101.2 | 98.9 | 91.6 | 79.1 | 67.8 | 57.5 | 101.2 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1981 | 2000 | 1994 | 1980 | 1983 | 1983 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 33.8 | 36.8 | 55.4 | 61.9 | 69.9 | 82.1 | 90.4 | 85.9 | 78.2 | 61.5 | 44.5 | 36.3 | 33.8 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1973 | 1995 | 1982 | 1992 | 1981 | 1984 | 1984 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 30.1 | 36.0 | 44.3 | 52.8 | 62.7 | 73.2 | 78.4 | 76.3 | 67.1 | 54.9 | 40.2 | 31.4 | 54.0 |
| Highest Mean Temperature (F) | 39.7 | 42.4 | 49.9 | 58.9 | 67.0 | 77.8 | 82.6 | 80.9 | 72.0 | 58.5 | 47.3 | 38.7 | 82.6 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1981 | 1996 | 1994 | 1980 | 1983 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 19.4 | 24.0 | 40.1 | 46.5 | 57.9 | 68.1 | 75.4 | 72.1 | 63.1 | 48.9 | 31.4 | 20.6 | 19.4 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1973 | 1995 | 1982 | 1992 | 1992 | 1984 | 1984 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 13.6 | 19.2 | 27.2 | 36.0 | 46.9 | 56.5 | 61.9 | 60.0 | 50.4 | 36.7 | 23.2 | 15.1 | 37.2 |
| Highest Mean Min. Temperature (F) | 20.8 | 25.7 | 31.4 | 39.2 | 51.0 | 60.2 | 64.3 | 63.8 | 55.4 | 40.9 | 28.5 | 20.9 | 64.3 |
| Year Highest Occurred | 1999 | 1998 | 2000 | 1986 | 1996 | 1991 | 2000 | 1995 | 1998 | 2000 | 1998 | 1975 | 2000 |
| Lowest Mean Min. Temperature (F) | 5.0 | 11.2 | 23.0 | 30.9 | 42.6 | 52.8 | 59.3 | 54.8 | 45.6 | 31.0 | 18.2 | 4.9 | 4.9 |
| Year Lowest Occurred | 1979 | 1989 | 1977 | 1984 | 1983 | 1983 | 1995 | 1978 | 1971 | 1980 | 1993 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.34 | 0.41 | 0.86 | 1.22 | 2.11 | 1.65 | 2.23 | 1.51 | 1.07 | 0.79 | 0.52 | 0.28 | 12.99 |
| Highest Precipitation (in.) | 1.18 | 1.34 | 3.06 | 5.04 | 6.96 | 4.81 | 8.53 | 3.10 | 3.05 | 3.21 | 1.68 | 1.02 | 8.53 |
| Year Highest Occurred | 1990 | 1987 | 1973 | 1999 | 1995 | 1982 | 1998 | 1986 | 1986 | 1997 | 1992 | 1997 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.01 | 0.31 | 0.28 | 0.12 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1982 | 1994 | 1977 | 1992 | 1986 | 1985 | 1993 | 1990 | 1983 | 1980 | 1995 | 1999 | 1982 |
| Heating Degree Days (F) | 1083. | 812. | 644. | 374. | 132. | 10. | 0. | 3. | 60. | 320. | 746. | 1041. | 5225. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 9. | 62. | 256. | 413. | 351. | 123. | 4. | 0. | 0. | 1218. |