| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.9 | 43.9 | 52.8 | 61.8 | 70.5 | 80.6 | 88.6 | 87.8 | 77.0 | 64.5 | 47.7 | 38.0 | 62.5 |
| Highest Mean Max. Temperature (F) | 44.6 | 54.6 | 63.0 | 72.7 | 80.6 | 88.0 | 94.8 | 93.6 | 86.6 | 74.7 | 59.5 | 45.7 | 94.8 |
| Year Highest Occurred | 1994 | 1991 | 1992 | 1987 | 1992 | 1988 | 1985 | 1981 | 1990 | 1988 | 1999 | 1980 | 1985 |
| Lowest Mean Max. Temperature (F) | 23.6 | 31.6 | 41.0 | 51.5 | 63.8 | 72.5 | 78.1 | 81.4 | 68.9 | 58.4 | 37.4 | 25.9 | 23.6 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1975 | 1977 | 1998 | 1993 | 1980 | 1986 | 1984 | 2000 | 1985 | 1979 |
| Mean Temperature (F) | 28.3 | 34.1 | 41.5 | 48.8 | 56.9 | 65.3 | 71.9 | 70.7 | 61.0 | 50.3 | 37.4 | 29.0 | 49.6 |
| Highest Mean Temperature (F) | 36.6 | 41.9 | 48.7 | 54.9 | 63.8 | 71.1 | 77.3 | 74.8 | 68.9 | 57.8 | 45.8 | 35.1 | 77.3 |
| Year Highest Occurred | 1998 | 1992 | 1986 | 1987 | 1992 | 1988 | 1985 | 1991 | 1990 | 1988 | 1999 | 1980 | 1985 |
| Lowest Mean Temperature (F) | 14.7 | 22.7 | 31.2 | 41.6 | 51.7 | 60.3 | 64.6 | 64.8 | 55.4 | 45.7 | 27.9 | 16.5 | 14.7 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1975 | 1975 | 1998 | 1993 | 1975 | 1971 | 1971 | 2000 | 1985 | 1979 |
| Mean Min. Temperature (F) | 19.7 | 24.2 | 30.1 | 35.8 | 43.2 | 50.0 | 55.2 | 53.5 | 45.0 | 36.0 | 27.1 | 19.9 | 36.6 |
| Highest Mean Min. Temperature (F) | 29.0 | 31.5 | 36.2 | 40.2 | 47.8 | 54.3 | 59.7 | 57.6 | 52.3 | 41.0 | 34.0 | 27.6 | 59.7 |
| Year Highest Occurred | 1998 | 1986 | 1986 | 1990 | 1994 | 1988 | 1985 | 2000 | 1998 | 1988 | 1995 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 5.8 | 13.8 | 21.4 | 31.3 | 38.6 | 45.5 | 49.8 | 47.9 | 39.6 | 32.8 | 18.4 | 7.1 | 5.8 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1983 | 1975 | 1976 | 1983 | 1975 | 1975 | 1976 | 2000 | 1985 | 1979 |
| Mean Precipitation (in.) | 1.18 | 0.83 | 1.08 | 0.97 | 1.28 | 0.87 | 0.35 | 0.41 | 0.64 | 0.67 | 1.00 | 1.01 | 10.29 |
| Highest Precipitation (in.) | 2.70 | 3.81 | 2.85 | 2.84 | 4.35 | 2.85 | 1.22 | 1.31 | 2.34 | 1.61 | 2.80 | 4.27 | 4.35 |
| Year Highest Occurred | 1999 | 1986 | 1993 | 1971 | 1998 | 1995 | 1975 | 1989 | 1998 | 2000 | 1983 | 1996 | 1998 |
| Lowest Precipitation (in.) | 0.09 | 0.02 | 0.04 | 0.10 | 0.03 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 |
| Year Lowest Occurred | 1977 | 1988 | 1977 | 1980 | 1992 | 1994 | 1990 | 1996 | 1987 | 1988 | 1993 | 1976 | 1994 |
| Heating Degree Days (F) | 1138. | 867. | 731. | 489. | 268. | 90. | 19. | 30. | 175. | 458. | 827. | 1118. | 6210. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 15. | 98. | 232. | 205. | 55. | 1. | 0. | 0. | 608. |