| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.9 | 49.3 | 57.9 | 66.5 | 75.8 | 86.4 | 89.9 | 87.2 | 80.3 | 68.7 | 53.8 | 44.2 | 66.9 |
| Highest Mean Max. Temperature (F) | 52.6 | 56.3 | 65.5 | 73.5 | 82.3 | 92.0 | 93.6 | 90.1 | 84.6 | 74.1 | 64.0 | 51.9 | 93.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1996 | 1974 | 1980 | 1995 | 1979 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 34.7 | 43.9 | 50.4 | 59.7 | 71.0 | 81.6 | 85.0 | 84.1 | 75.4 | 59.0 | 46.5 | 35.3 | 34.7 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1973 | 1979 | 1991 | 1983 | 1999 | 1986 | 1984 | 2000 | 1990 | 1979 |
| Mean Temperature (F) | 28.1 | 34.3 | 40.9 | 48.0 | 57.2 | 66.9 | 72.7 | 70.6 | 62.6 | 50.4 | 37.7 | 29.1 | 49.9 |
| Highest Mean Temperature (F) | 34.8 | 39.2 | 45.4 | 52.1 | 62.9 | 71.3 | 75.0 | 73.9 | 65.9 | 53.3 | 41.4 | 35.1 | 75.0 |
| Year Highest Occurred | 1993 | 1995 | 1989 | 2000 | 1996 | 1974 | 1978 | 1995 | 1997 | 1972 | 1978 | 1980 | 1978 |
| Lowest Mean Temperature (F) | 21.6 | 29.6 | 36.9 | 43.2 | 53.7 | 62.4 | 69.2 | 68.7 | 59.1 | 46.8 | 31.6 | 19.0 | 19.0 |
| Year Lowest Occurred | 1977 | 1974 | 1987 | 1973 | 1971 | 1983 | 1983 | 1987 | 1985 | 1984 | 1992 | 1990 | 1990 |
| Mean Min. Temperature (F) | 13.2 | 19.3 | 23.8 | 29.4 | 38.5 | 47.4 | 55.4 | 53.9 | 44.9 | 32.1 | 21.5 | 13.9 | 32.8 |
| Highest Mean Min. Temperature (F) | 23.7 | 26.3 | 28.4 | 36.0 | 43.4 | 51.4 | 58.4 | 57.7 | 50.8 | 41.7 | 29.8 | 21.7 | 58.4 |
| Year Highest Occurred | 1993 | 1978 | 1978 | 1990 | 1996 | 1986 | 1977 | 1995 | 1997 | 1972 | 1978 | 1982 | 1977 |
| Lowest Mean Min. Temperature (F) | 5.6 | 11.5 | 17.3 | 24.1 | 32.7 | 41.9 | 50.9 | 49.3 | 40.8 | 26.1 | 12.7 | 1.3 | 1.3 |
| Year Lowest Occurred | 1990 | 1974 | 1976 | 1974 | 1971 | 1973 | 1979 | 2000 | 1974 | 1975 | 1976 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.60 | 0.54 | 0.65 | 0.52 | 0.68 | 0.46 | 1.19 | 1.36 | 1.17 | 1.05 | 0.77 | 0.53 | 9.52 |
| Highest Precipitation (in.) | 1.87 | 1.92 | 3.17 | 2.36 | 2.81 | 2.19 | 3.99 | 2.95 | 3.66 | 5.88 | 3.29 | 1.38 | 5.88 |
| Year Highest Occurred | 1989 | 1982 | 2000 | 1985 | 1982 | 1991 | 1998 | 1993 | 1982 | 1972 | 1986 | 1983 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.40 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1984 | 1997 | 1993 | 1996 | 1993 | 1993 | 1975 | 1979 | 1999 | 1989 | 1981 | 1994 |
| Heating Degree Days (F) | 1147. | 860. | 748. | 512. | 254. | 53. | 2. | 5. | 112. | 454. | 820. | 1115. | 6082. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 109. | 238. | 176. | 39. | 0. | 0. | 0. | 573. |