| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.6 | 46.7 | 52.5 | 58.8 | 68.4 | 79.6 | 85.8 | 83.9 | 75.5 | 64.5 | 51.0 | 44.8 | 62.9 |
| Highest Mean Max. Temperature (F) | 53.7 | 54.9 | 60.0 | 67.6 | 74.8 | 85.9 | 89.3 | 88.5 | 82.1 | 69.3 | 63.5 | 54.3 | 89.3 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1981 | 1994 | 1994 | 1989 | 1995 | 1998 | 1992 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 33.0 | 33.3 | 45.4 | 51.2 | 59.4 | 72.7 | 81.0 | 80.6 | 71.3 | 53.7 | 41.7 | 28.5 | 28.5 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1982 | 1973 | 1979 | 1971 | 1984 | 2000 | 1983 | 1983 |
| Mean Temperature (F) | 28.2 | 31.3 | 37.2 | 44.3 | 53.8 | 64.3 | 70.2 | 68.3 | 59.3 | 48.4 | 36.0 | 29.5 | 47.6 |
| Highest Mean Temperature (F) | 37.8 | 38.0 | 44.8 | 52.2 | 59.6 | 70.0 | 74.2 | 73.1 | 65.1 | 51.3 | 45.5 | 38.3 | 74.2 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1981 | 1994 | 1994 | 2000 | 2000 | 1998 | 1992 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 17.0 | 19.2 | 32.6 | 36.8 | 47.3 | 58.7 | 66.2 | 65.1 | 54.4 | 41.0 | 29.1 | 15.6 | 15.6 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1973 | 1983 | 1982 | 1973 | 1974 | 1971 | 1984 | 1985 | 1983 | 1983 |
| Mean Min. Temperature (F) | 12.7 | 15.9 | 21.9 | 29.7 | 39.2 | 48.9 | 54.6 | 52.7 | 43.0 | 32.2 | 21.0 | 14.1 | 32.2 |
| Highest Mean Min. Temperature (F) | 21.9 | 23.5 | 29.5 | 36.8 | 44.5 | 54.5 | 59.7 | 58.0 | 48.3 | 35.4 | 27.5 | 22.3 | 59.7 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1994 | 1988 | 2000 | 2000 | 1990 | 2000 | 1999 | 1980 | 2000 |
| Lowest Mean Min. Temperature (F) | 1.1 | 5.0 | 17.1 | 22.1 | 33.0 | 44.6 | 51.1 | 48.7 | 36.9 | 28.3 | 14.8 | 2.7 | 1.1 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1973 | 1983 | 1982 | 1972 | 1974 | 1975 | 1984 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.48 | 0.46 | 1.37 | 2.08 | 2.59 | 2.17 | 1.87 | 1.83 | 1.45 | 1.02 | 1.14 | 0.60 | 17.06 |
| Highest Precipitation (in.) | 1.35 | 1.09 | 4.05 | 7.74 | 5.88 | 5.51 | 4.29 | 4.20 | 6.87 | 5.75 | 2.97 | 1.95 | 7.74 |
| Year Highest Occurred | 1974 | 1984 | 1983 | 1999 | 1973 | 1987 | 1975 | 1979 | 1976 | 1984 | 1986 | 1987 | 1999 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.20 | 0.09 | 0.20 | 0.22 | 0.03 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1983 | 1992 | 1997 | 1982 | 1974 | 1990 | 1979 | 1974 | 1992 | 2000 | 1984 | 1991 | 1983 |
| Heating Degree Days (F) | 1142. | 944. | 862. | 623. | 359. | 109. | 12. | 27. | 206. | 516. | 871. | 1102. | 6773. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 86. | 174. | 130. | 34. | 0. | 0. | 0. | 435. |