| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.0 | 57.9 | 66.8 | 75.6 | 85.0 | 96.1 | 99.2 | 96.4 | 89.6 | 77.0 | 61.9 | 50.5 | 75.5 |
| Highest Mean Max. Temperature (F) | 58.6 | 63.9 | 76.3 | 84.4 | 92.8 | 102.1 | 104.2 | 99.2 | 95.2 | 82.5 | 69.6 | 58.6 | 104.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1971 | 1995 | 1979 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 43.4 | 51.9 | 57.8 | 68.3 | 77.9 | 91.2 | 94.4 | 92.8 | 84.9 | 70.6 | 55.2 | 42.1 | 42.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1995 | 1995 | 1999 | 1999 | 1985 | 1984 | 1994 | 1991 | 1991 |
| Mean Temperature (F) | 36.6 | 42.5 | 50.3 | 57.8 | 67.1 | 76.9 | 82.2 | 80.5 | 72.6 | 59.9 | 46.1 | 36.5 | 59.1 |
| Highest Mean Temperature (F) | 42.0 | 48.7 | 56.7 | 65.0 | 73.2 | 81.1 | 85.0 | 83.8 | 75.4 | 64.8 | 49.4 | 42.8 | 85.0 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1984 | 1974 | 1996 | 1994 | 1984 | 1988 | 1999 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 31.1 | 38.3 | 45.1 | 51.4 | 61.3 | 72.8 | 79.6 | 76.1 | 68.8 | 54.9 | 41.3 | 29.8 | 29.8 |
| Year Lowest Occurred | 1977 | 1979 | 1973 | 1975 | 1975 | 1998 | 1975 | 1976 | 1976 | 1982 | 2000 | 1990 | 1990 |
| Mean Min. Temperature (F) | 23.2 | 27.0 | 33.7 | 39.9 | 49.2 | 57.6 | 65.1 | 64.6 | 55.6 | 42.8 | 30.3 | 22.5 | 42.6 |
| Highest Mean Min. Temperature (F) | 31.8 | 34.9 | 40.4 | 45.5 | 54.7 | 61.8 | 69.7 | 68.8 | 60.7 | 48.3 | 36.9 | 30.8 | 69.7 |
| Year Highest Occurred | 1978 | 1986 | 1978 | 1989 | 2000 | 2000 | 1996 | 1981 | 1997 | 1972 | 1978 | 1983 | 1996 |
| Lowest Mean Min. Temperature (F) | 14.8 | 18.8 | 26.5 | 32.1 | 41.9 | 53.0 | 61.3 | 55.5 | 50.7 | 36.2 | 24.0 | 14.0 | 14.0 |
| Year Lowest Occurred | 1975 | 1984 | 1976 | 1976 | 1971 | 1982 | 1975 | 1976 | 1971 | 1982 | 1979 | 1979 | 1979 |
| Mean Precipitation (in.) | 0.55 | 0.38 | 0.41 | 0.30 | 0.34 | 0.06 | 0.57 | 0.84 | 0.71 | 0.58 | 0.38 | 0.44 | 5.56 |
| Highest Precipitation (in.) | 2.21 | 1.21 | 1.53 | 1.29 | 1.90 | 0.45 | 2.05 | 1.95 | 2.24 | 6.83 | 2.50 | 3.43 | 6.83 |
| Year Highest Occurred | 1980 | 1973 | 1992 | 1980 | 1992 | 1988 | 1992 | 1981 | 1983 | 1972 | 1978 | 1982 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1977 | 1997 | 1991 | 2000 | 1998 | 1979 | 1976 | 1989 | 1999 | 1999 | 1980 | 1986 |
| Heating Degree Days (F) | 879. | 632. | 461. | 245. | 81. | 3. | 0. | 0. | 7. | 192. | 568. | 885. | 3953. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 27. | 146. | 359. | 532. | 481. | 235. | 35. | 0. | 0. | 1819. |