| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 51.9 | 57.0 | 64.9 | 72.0 | 79.9 | 88.4 | 90.2 | 87.6 | 81.7 | 73.1 | 61.1 | 52.4 | 71.7 |
| Highest Mean Max. Temperature (F) | 59.8 | 65.0 | 72.6 | 77.6 | 90.4 | 96.0 | 96.3 | 92.2 | 88.7 | 79.9 | 70.0 | 60.1 | 96.3 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1989 | 1996 | 1990 | 1980 | 2000 | 2000 | 1979 | 1999 | 1973 | 1980 |
| Lowest Mean Max. Temperature (F) | 42.8 | 48.8 | 59.2 | 64.2 | 74.9 | 82.5 | 83.9 | 82.4 | 75.2 | 65.8 | 51.9 | 44.4 | 42.8 |
| Year Lowest Occurred | 1979 | 1978 | 1973 | 1973 | 1992 | 1979 | 1991 | 1971 | 1975 | 1984 | 2000 | 1982 | 1979 |
| Mean Temperature (F) | 37.2 | 41.1 | 47.4 | 54.3 | 63.2 | 71.9 | 75.3 | 73.5 | 67.2 | 57.6 | 46.2 | 38.3 | 56.1 |
| Highest Mean Temperature (F) | 43.2 | 47.8 | 52.4 | 60.4 | 72.6 | 77.9 | 79.8 | 77.0 | 71.9 | 60.9 | 52.1 | 45.7 | 79.8 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1972 | 1996 | 1990 | 1980 | 1995 | 1983 | 1979 | 1995 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 29.9 | 35.7 | 43.3 | 46.8 | 58.8 | 67.0 | 71.2 | 69.0 | 61.5 | 52.2 | 39.3 | 33.1 | 29.9 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1973 | 1975 | 1979 | 1976 | 1974 | 1974 | 1976 | 2000 | 1983 | 1979 |
| Mean Min. Temperature (F) | 22.5 | 25.1 | 29.9 | 36.6 | 46.5 | 55.4 | 60.4 | 59.3 | 52.6 | 42.1 | 31.2 | 24.1 | 40.5 |
| Highest Mean Min. Temperature (F) | 27.9 | 31.4 | 33.1 | 43.4 | 54.8 | 59.7 | 63.6 | 62.7 | 56.6 | 46.4 | 36.8 | 31.8 | 63.6 |
| Year Highest Occurred | 1995 | 1995 | 1986 | 1972 | 1996 | 1990 | 1999 | 1995 | 1983 | 1983 | 1983 | 1977 | 1999 |
| Lowest Mean Min. Temperature (F) | 16.4 | 20.3 | 25.8 | 29.3 | 40.0 | 50.0 | 56.6 | 54.7 | 47.3 | 34.8 | 24.4 | 18.9 | 16.4 |
| Year Lowest Occurred | 1977 | 1994 | 1987 | 1973 | 1975 | 1992 | 1979 | 1974 | 1974 | 1976 | 1976 | 1976 | 1977 |
| Mean Precipitation (in.) | 0.55 | 0.49 | 0.57 | 0.96 | 1.23 | 1.57 | 1.84 | 2.64 | 1.70 | 1.51 | 0.60 | 0.64 | 14.30 |
| Highest Precipitation (in.) | 1.50 | 2.21 | 1.45 | 6.12 | 3.63 | 4.21 | 5.99 | 8.65 | 4.52 | 6.94 | 2.19 | 2.60 | 8.65 |
| Year Highest Occurred | 1987 | 1986 | 1994 | 1997 | 1994 | 1996 | 1991 | 1972 | 1980 | 1985 | 1986 | 1997 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1996 | 1996 | 2000 | 1991 | 2000 | 2000 | 2000 | 1999 | 2000 | 1999 | 2000 |
| Heating Degree Days (F) | 862. | 671. | 546. | 330. | 136. | 16. | 0. | 3. | 54. | 242. | 565. | 830. | 4255. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 81. | 222. | 319. | 264. | 118. | 11. | 0. | 0. | 1025. |