| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.4 | 51.7 | 60.9 | 69.8 | 79.2 | 90.0 | 93.2 | 90.4 | 83.3 | 71.1 | 56.0 | 45.4 | 69.6 |
| Highest Mean Max. Temperature (F) | 55.6 | 58.8 | 70.0 | 77.4 | 85.6 | 95.3 | 96.3 | 94.3 | 88.2 | 77.1 | 64.1 | 55.3 | 96.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 1989 | 1994 | 1979 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 33.5 | 45.2 | 51.5 | 60.9 | 72.2 | 83.8 | 89.0 | 87.3 | 78.3 | 61.6 | 47.9 | 34.5 | 33.5 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1983 | 1995 | 1983 | 1999 | 1999 | 1985 | 1984 | 2000 | 1991 | 1973 |
| Mean Temperature (F) | 32.0 | 38.0 | 45.7 | 53.2 | 62.2 | 71.7 | 77.2 | 75.3 | 67.2 | 54.9 | 42.1 | 32.5 | 54.3 |
| Highest Mean Temperature (F) | 38.0 | 44.2 | 50.6 | 58.6 | 66.6 | 75.4 | 79.5 | 78.9 | 70.1 | 58.8 | 46.8 | 39.3 | 79.5 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1989 | 1984 | 1994 | 1996 | 1994 | 1997 | 1988 | 1981 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 23.8 | 31.9 | 41.2 | 48.0 | 57.5 | 67.5 | 74.2 | 73.1 | 63.0 | 50.2 | 35.1 | 24.6 | 23.8 |
| Year Lowest Occurred | 1992 | 1974 | 1973 | 1983 | 1995 | 1983 | 1997 | 1987 | 1985 | 1984 | 2000 | 1990 | 1992 |
| Mean Min. Temperature (F) | 19.6 | 24.3 | 30.4 | 36.6 | 45.1 | 53.4 | 61.1 | 60.2 | 51.0 | 38.6 | 28.1 | 19.6 | 39.0 |
| Highest Mean Min. Temperature (F) | 28.0 | 29.7 | 35.4 | 42.5 | 49.3 | 57.8 | 63.9 | 64.1 | 56.0 | 44.5 | 32.4 | 27.3 | 64.1 |
| Year Highest Occurred | 1993 | 1986 | 1974 | 1992 | 1992 | 1986 | 1986 | 1986 | 1982 | 1972 | 1985 | 1983 | 1986 |
| Lowest Mean Min. Temperature (F) | 12.1 | 16.5 | 23.7 | 32.7 | 41.4 | 49.5 | 56.5 | 56.4 | 45.8 | 33.6 | 22.3 | 12.2 | 12.1 |
| Year Lowest Occurred | 1977 | 1984 | 1977 | 1974 | 1975 | 1998 | 1997 | 1978 | 1973 | 1982 | 2000 | 1990 | 1977 |
| Mean Precipitation (in.) | 0.81 | 0.64 | 0.73 | 0.58 | 0.57 | 0.33 | 1.09 | 1.33 | 0.92 | 1.06 | 0.82 | 0.65 | 9.53 |
| Highest Precipitation (in.) | 5.57 | 1.95 | 2.73 | 2.93 | 2.43 | 2.05 | 3.38 | 4.84 | 2.22 | 4.45 | 2.23 | 2.74 | 5.57 |
| Year Highest Occurred | 1983 | 1983 | 2000 | 1988 | 1992 | 1988 | 1988 | 1982 | 1990 | 1972 | 1985 | 1982 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1991 | 1999 | 1989 | 1998 | 1998 | 1993 | 1975 | 1989 | 1999 | 1999 | 1999 | 1994 |
| Heating Degree Days (F) | 1023. | 755. | 600. | 359. | 132. | 13. | 0. | 0. | 41. | 318. | 689. | 1007. | 4937. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 42. | 212. | 376. | 319. | 105. | 4. | 0. | 0. | 1062. |