| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.8 | 46.6 | 54.4 | 63.2 | 72.5 | 83.1 | 89.2 | 86.9 | 78.3 | 66.4 | 50.0 | 41.6 | 64.4 |
| Highest Mean Max. Temperature (F) | 50.0 | 54.1 | 61.5 | 71.0 | 78.1 | 89.4 | 93.7 | 91.5 | 84.8 | 71.0 | 60.9 | 52.7 | 93.7 |
| Year Highest Occurred | 1981 | 1991 | 1986 | 1981 | 1994 | 1994 | 1978 | 1995 | 1998 | 1975 | 1999 | 1980 | 1978 |
| Lowest Mean Max. Temperature (F) | 29.3 | 33.1 | 49.0 | 53.2 | 63.0 | 76.5 | 83.4 | 82.3 | 73.2 | 59.5 | 38.1 | 26.0 | 26.0 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1984 | 1995 | 1983 | 1990 | 1992 | 1985 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 25.8 | 31.3 | 38.9 | 47.3 | 57.1 | 67.0 | 72.9 | 70.9 | 61.7 | 49.8 | 35.1 | 26.7 | 48.7 |
| Highest Mean Temperature (F) | 33.5 | 37.7 | 44.9 | 53.9 | 60.5 | 71.3 | 76.2 | 74.0 | 67.0 | 52.8 | 41.7 | 36.6 | 76.2 |
| Year Highest Occurred | 1999 | 1992 | 1986 | 1981 | 1977 | 1994 | 1980 | 1983 | 1998 | 1974 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 13.9 | 19.9 | 34.4 | 40.7 | 51.8 | 62.6 | 70.0 | 67.9 | 57.4 | 46.6 | 27.8 | 13.9 | 13.9 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1983 | 1995 | 1982 | 1990 | 1992 | 1971 | 1984 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 10.7 | 16.0 | 23.4 | 31.3 | 41.7 | 50.8 | 56.5 | 54.8 | 45.1 | 33.1 | 20.2 | 11.7 | 32.9 |
| Highest Mean Min. Temperature (F) | 20.9 | 22.6 | 28.2 | 36.8 | 46.1 | 54.5 | 60.5 | 58.9 | 50.9 | 38.0 | 27.1 | 20.4 | 60.5 |
| Year Highest Occurred | 1999 | 1992 | 1986 | 1981 | 1987 | 1977 | 1977 | 1983 | 1990 | 1998 | 1998 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | -1.4 | 6.7 | 18.2 | 27.0 | 38.4 | 45.4 | 53.2 | 52.0 | 40.1 | 29.2 | 14.2 | 1.8 | -1.4 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1982 | 1972 | 1976 | 1986 | 1973 | 1974 | 1978 | 2000 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.30 | 0.19 | 0.78 | 1.28 | 1.94 | 2.07 | 2.51 | 1.81 | 1.28 | 0.66 | 0.45 | 0.26 | 13.53 |
| Highest Precipitation (in.) | 0.97 | 0.88 | 2.76 | 4.92 | 5.99 | 5.80 | 5.36 | 4.72 | 3.33 | 1.81 | 1.19 | 1.70 | 5.99 |
| Year Highest Occurred | 1974 | 1987 | 1990 | 1999 | 1987 | 1995 | 1989 | 1983 | 1990 | 1998 | 1987 | 1978 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.42 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1983 | 1999 | 1994 | 1992 | 1974 | 1980 | 2000 | 1985 | 1992 | 1977 | 1984 | 1999 | 1983 |
| Heating Degree Days (F) | 1217. | 944. | 809. | 533. | 259. | 57. | 3. | 8. | 144. | 474. | 896. | 1188. | 6532. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 115. | 246. | 188. | 45. | 0. | 0. | 0. | 607. |