| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.6 | 48.0 | 57.8 | 66.2 | 75.2 | 85.7 | 91.8 | 89.1 | 79.9 | 67.7 | 52.3 | 41.4 | 66.3 |
| Highest Mean Max. Temperature (F) | 49.7 | 58.8 | 66.3 | 74.6 | 80.1 | 91.3 | 95.4 | 93.3 | 85.8 | 74.5 | 64.0 | 51.8 | 95.4 |
| Year Highest Occurred | 1998 | 1995 | 1972 | 1992 | 1974 | 1996 | 1989 | 1996 | 1979 | 1988 | 1995 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 28.8 | 39.0 | 49.7 | 58.2 | 69.7 | 79.6 | 89.0 | 86.3 | 73.1 | 60.3 | 43.0 | 30.1 | 28.8 |
| Year Lowest Occurred | 1984 | 1984 | 1973 | 1983 | 1980 | 1998 | 1987 | 1972 | 1986 | 1984 | 2000 | 1985 | 1984 |
| Mean Temperature (F) | 27.3 | 33.4 | 41.5 | 48.2 | 56.4 | 65.3 | 72.2 | 70.3 | 61.1 | 49.5 | 37.2 | 27.5 | 49.2 |
| Highest Mean Temperature (F) | 35.8 | 41.0 | 47.0 | 54.8 | 61.5 | 69.9 | 74.9 | 73.9 | 65.9 | 54.8 | 42.9 | 35.8 | 74.9 |
| Year Highest Occurred | 1998 | 1995 | 1989 | 1992 | 2000 | 1994 | 1996 | 2000 | 1990 | 1988 | 1999 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 15.0 | 25.3 | 34.3 | 41.6 | 51.5 | 61.3 | 69.0 | 66.5 | 56.5 | 45.0 | 30.3 | 16.8 | 15.0 |
| Year Lowest Occurred | 1973 | 1989 | 1976 | 1975 | 1975 | 1998 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1973 |
| Mean Min. Temperature (F) | 14.0 | 18.8 | 25.2 | 30.1 | 37.6 | 44.9 | 52.6 | 51.5 | 42.2 | 31.2 | 22.0 | 13.6 | 32.0 |
| Highest Mean Min. Temperature (F) | 24.0 | 27.1 | 30.6 | 35.0 | 43.0 | 49.0 | 57.1 | 56.0 | 48.3 | 36.1 | 27.0 | 20.7 | 57.1 |
| Year Highest Occurred | 1995 | 2000 | 1992 | 1992 | 2000 | 1994 | 1990 | 2000 | 1997 | 1972 | 1996 | 1996 | 1990 |
| Lowest Mean Min. Temperature (F) | -0.7 | 11.1 | 16.9 | 24.6 | 32.0 | 39.9 | 49.0 | 45.8 | 37.3 | 27.3 | 16.2 | 1.7 | -0.7 |
| Year Lowest Occurred | 1989 | 1977 | 1976 | 1975 | 1975 | 1980 | 1993 | 1976 | 1971 | 1995 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.58 | 0.56 | 1.09 | 0.91 | 1.01 | 0.49 | 0.71 | 0.92 | 0.83 | 1.00 | 0.72 | 0.52 | 9.34 |
| Highest Precipitation (in.) | 1.76 | 1.69 | 2.65 | 1.88 | 3.11 | 2.18 | 2.77 | 3.11 | 3.82 | 2.65 | 2.26 | 1.92 | 3.82 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1986 | 1995 | 1990 | 1998 | 1983 | 1982 | 1994 | 1978 | 1998 | 1982 |
| Lowest Precipitation (in.) | 0.01 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1972 | 1997 | 1992 | 1974 | 1996 | 1978 | 1985 | 1979 | 1995 | 1992 | 1989 | 1972 |
| Heating Degree Days (F) | 1168. | 884. | 728. | 506. | 278. | 76. | 3. | 13. | 150. | 483. | 836. | 1163. | 6288. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 85. | 226. | 178. | 31. | 0. | 0. | 0. | 532. |