| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.4 | 47.3 | 53.3 | 61.2 | 70.1 | 81.4 | 88.1 | 86.3 | 77.8 | 65.8 | 51.4 | 43.0 | 64.0 |
| Highest Mean Max. Temperature (F) | 51.2 | 57.0 | 65.0 | 69.5 | 77.1 | 86.8 | 91.6 | 89.7 | 83.9 | 72.6 | 61.8 | 50.8 | 91.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1994 | 1996 | 1981 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 34.8 | 39.6 | 42.5 | 49.7 | 60.0 | 74.5 | 83.8 | 81.2 | 71.5 | 59.1 | 41.6 | 34.1 | 34.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1987 | 1987 |
| Mean Temperature (F) | 32.0 | 36.3 | 41.5 | 48.1 | 56.6 | 66.7 | 73.7 | 72.2 | 64.0 | 52.6 | 40.0 | 32.1 | 51.3 |
| Highest Mean Temperature (F) | 39.9 | 44.1 | 48.2 | 56.0 | 63.0 | 71.4 | 78.0 | 75.6 | 67.9 | 59.1 | 48.0 | 38.7 | 78.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1985 | 1996 | 1994 | 1979 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 25.4 | 31.7 | 34.4 | 38.4 | 48.8 | 60.6 | 69.8 | 66.3 | 57.7 | 46.9 | 31.4 | 24.2 | 24.2 |
| Year Lowest Occurred | 1987 | 1989 | 1973 | 1975 | 1998 | 1995 | 1987 | 1976 | 1986 | 1984 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 21.5 | 25.3 | 29.7 | 35.0 | 43.0 | 51.9 | 59.3 | 58.1 | 50.2 | 39.3 | 28.6 | 21.2 | 38.6 |
| Highest Mean Min. Temperature (F) | 28.5 | 31.2 | 34.8 | 42.4 | 49.6 | 56.5 | 64.4 | 61.8 | 53.7 | 45.6 | 34.1 | 28.5 | 64.4 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1989 | 1992 | 1985 | 1996 | 1998 | 1990 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 15.3 | 20.5 | 23.9 | 27.2 | 37.2 | 45.6 | 55.2 | 51.5 | 44.0 | 33.6 | 21.2 | 12.9 | 12.9 |
| Year Lowest Occurred | 1987 | 1990 | 1977 | 1975 | 1977 | 1995 | 1983 | 1976 | 1986 | 1971 | 1994 | 1971 | 1971 |
| Mean Precipitation (in.) | 0.66 | 0.83 | 0.89 | 0.52 | 0.71 | 0.41 | 0.43 | 0.67 | 0.53 | 0.53 | 0.29 | 0.27 | 6.74 |
| Highest Precipitation (in.) | 2.75 | 3.02 | 2.98 | 3.16 | 2.57 | 2.03 | 2.44 | 2.38 | 2.29 | 3.07 | 1.76 | 0.88 | 3.16 |
| Year Highest Occurred | 1973 | 1976 | 1978 | 1988 | 1987 | 1993 | 1976 | 1977 | 1976 | 1972 | 1987 | 1996 | 1988 |
| 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 | 1994 | 1999 | 1989 | 2000 | 1993 | 2000 | 2000 | 1994 | 1996 | 1999 | 1999 | 2000 | 1994 |
| Heating Degree Days (F) | 1026. | 804. | 729. | 511. | 299. | 73. | 3. | 7. | 100. | 393. | 750. | 1021. | 5716. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 37. | 122. | 273. | 230. | 71. | 8. | 0. | 0. | 746. |