| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 51.3 | 56.4 | 65.1 | 73.0 | 80.4 | 89.1 | 92.3 | 89.7 | 83.1 | 73.4 | 60.4 | 51.9 | 72.2 |
| Highest Mean Max. Temperature (F) | 61.8 | 67.7 | 73.2 | 79.2 | 88.7 | 97.5 | 98.4 | 96.3 | 90.9 | 79.9 | 71.6 | 58.8 | 98.4 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1978 | 1996 | 1990 | 1980 | 1983 | 2000 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 38.1 | 40.4 | 59.5 | 63.5 | 76.1 | 81.7 | 87.7 | 84.5 | 75.6 | 66.8 | 50.4 | 37.0 | 37.0 |
| Year Lowest Occurred | 1979 | 1978 | 1998 | 1997 | 1995 | 1989 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 35.9 | 40.8 | 48.6 | 56.6 | 65.6 | 75.1 | 78.8 | 76.6 | 69.2 | 57.8 | 44.7 | 36.8 | 57.2 |
| Highest Mean Temperature (F) | 42.9 | 49.2 | 53.7 | 61.3 | 72.6 | 81.9 | 83.7 | 81.1 | 74.7 | 60.8 | 51.1 | 41.8 | 83.7 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1990 | 1996 | 1990 | 1980 | 2000 | 1998 | 1979 | 1999 | 1994 | 1980 |
| Lowest Mean Temperature (F) | 25.9 | 28.4 | 44.3 | 50.0 | 61.9 | 69.7 | 75.3 | 72.9 | 62.9 | 51.4 | 37.6 | 25.6 | 25.6 |
| Year Lowest Occurred | 1979 | 1978 | 1998 | 1997 | 1976 | 1989 | 1975 | 1974 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 20.5 | 25.2 | 32.1 | 40.1 | 50.8 | 61.1 | 65.3 | 63.4 | 55.3 | 42.1 | 28.9 | 21.6 | 42.2 |
| Highest Mean Min. Temperature (F) | 27.1 | 32.7 | 37.1 | 47.1 | 56.5 | 66.2 | 69.0 | 67.2 | 60.9 | 47.8 | 33.9 | 28.3 | 69.0 |
| Year Highest Occurred | 1991 | 1991 | 1986 | 1990 | 1996 | 1990 | 1980 | 1995 | 1990 | 2000 | 1998 | 1984 | 1980 |
| Lowest Mean Min. Temperature (F) | 13.6 | 16.4 | 27.8 | 35.3 | 45.7 | 56.5 | 62.6 | 60.3 | 50.2 | 36.1 | 22.5 | 14.3 | 13.6 |
| Year Lowest Occurred | 1979 | 1978 | 1988 | 1973 | 1983 | 1983 | 1984 | 1974 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.49 | 0.28 | 0.89 | 1.13 | 2.47 | 2.18 | 2.96 | 3.20 | 1.94 | 1.48 | 0.66 | 0.50 | 18.18 |
| Highest Precipitation (in.) | 1.71 | 1.09 | 4.10 | 6.39 | 6.13 | 4.55 | 6.72 | 10.11 | 7.95 | 6.87 | 1.83 | 2.72 | 10.11 |
| Year Highest Occurred | 1999 | 1983 | 2000 | 1999 | 1988 | 1992 | 1994 | 1981 | 1990 | 2000 | 1986 | 1991 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.15 | 0.02 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1997 | 1996 | 1998 | 1998 | 1989 | 1983 | 2000 | 1992 | 1999 | 1996 | 1986 |
| Heating Degree Days (F) | 903. | 678. | 508. | 274. | 78. | 7. | 0. | 1. | 38. | 235. | 611. | 876. | 4209. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 20. | 97. | 309. | 427. | 359. | 165. | 9. | 0. | 0. | 1386. |