| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.7 | 61.4 | 66.7 | 74.4 | 83.1 | 90.7 | 95.9 | 94.7 | 89.3 | 80.2 | 65.1 | 54.2 | 75.8 |
| Highest Mean Max. Temperature (F) | 59.6 | 68.0 | 74.2 | 82.5 | 89.6 | 95.1 | 100.0 | 99.4 | 94.1 | 85.9 | 72.3 | 60.6 | 100.0 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1987 | 1992 | 2000 | 1988 | 2000 | 1991 | 1991 | 1995 | 1979 | 1988 |
| Lowest Mean Max. Temperature (F) | 46.1 | 57.2 | 58.8 | 67.3 | 73.3 | 84.4 | 90.8 | 86.9 | 82.8 | 74.9 | 58.7 | 46.2 | 46.1 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1985 | 1984 | 1972 | 1985 | 1992 |
| Mean Temperature (F) | 44.7 | 50.2 | 55.0 | 60.6 | 68.3 | 75.0 | 79.6 | 78.4 | 73.3 | 64.5 | 52.4 | 44.1 | 62.2 |
| Highest Mean Temperature (F) | 50.4 | 54.1 | 59.5 | 66.2 | 74.4 | 79.1 | 83.4 | 81.9 | 77.8 | 69.7 | 58.3 | 49.6 | 83.4 |
| Year Highest Occurred | 1995 | 1992 | 1997 | 1987 | 1992 | 1981 | 1988 | 1992 | 1991 | 1991 | 1995 | 1995 | 1988 |
| Lowest Mean Temperature (F) | 38.7 | 45.7 | 47.9 | 53.8 | 61.6 | 71.2 | 75.3 | 72.7 | 69.0 | 60.2 | 48.0 | 39.8 | 38.7 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1975 | 1977 | 1991 | 1987 | 1976 | 1986 | 1984 | 1994 | 1985 | 1972 |
| Mean Min. Temperature (F) | 35.7 | 38.9 | 43.2 | 46.8 | 53.4 | 59.2 | 63.2 | 62.0 | 57.3 | 48.7 | 39.6 | 33.9 | 48.5 |
| Highest Mean Min. Temperature (F) | 42.7 | 45.2 | 48.3 | 51.5 | 59.6 | 63.4 | 67.5 | 65.8 | 61.4 | 53.9 | 45.1 | 40.6 | 67.5 |
| Year Highest Occurred | 1995 | 1996 | 1978 | 1992 | 1997 | 1981 | 1996 | 1983 | 1991 | 1987 | 1997 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | 29.0 | 32.4 | 35.9 | 40.3 | 49.3 | 53.2 | 59.7 | 58.4 | 52.0 | 43.4 | 34.3 | 26.6 | 26.6 |
| Year Lowest Occurred | 1976 | 1974 | 1977 | 1975 | 1977 | 1991 | 1977 | 1975 | 1972 | 1971 | 1971 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.66 | 1.60 | 1.76 | 0.63 | 0.26 | 0.08 | 0.01 | 0.01 | 0.25 | 0.44 | 0.82 | 1.06 | 8.58 |
| Highest Precipitation (in.) | 4.70 | 5.05 | 6.62 | 1.99 | 1.44 | 0.51 | 0.18 | 0.22 | 1.47 | 2.43 | 2.90 | 3.27 | 6.62 |
| Year Highest Occurred | 1995 | 1978 | 1991 | 1988 | 1971 | 1976 | 1982 | 1976 | 1976 | 1996 | 1972 | 1996 | 1991 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 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 | 1976 | 1977 | 1972 | 1997 | 1999 | 1999 | 2000 | 2000 | 1998 | 1999 | 2000 | 1999 | 1976 |
| Heating Degree Days (F) | 630. | 416. | 324. | 179. | 56. | 3. | 0. | 0. | 6. | 102. | 383. | 650. | 2749. |
| Cooling Degree Days (F) | 0. | 0. | 13. | 46. | 157. | 302. | 450. | 413. | 255. | 86. | 2. | 0. | 1724. |