| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.4 | 66.3 | 73.8 | 81.6 | 88.8 | 94.9 | 95.5 | 93.5 | 87.5 | 79.4 | 67.9 | 61.1 | 79.1 |
| Highest Mean Max. Temperature (F) | 65.3 | 75.2 | 81.2 | 89.7 | 96.3 | 101.0 | 100.5 | 98.5 | 95.9 | 85.2 | 75.1 | 68.2 | 101.0 |
| Year Highest Occurred | 2000 | 1976 | 1974 | 1972 | 1996 | 1998 | 1980 | 1977 | 1977 | 1979 | 1999 | 1981 | 1998 |
| Lowest Mean Max. Temperature (F) | 51.1 | 58.4 | 68.3 | 75.5 | 80.8 | 89.6 | 89.3 | 87.2 | 77.6 | 73.8 | 59.8 | 55.1 | 51.1 |
| Year Lowest Occurred | 1979 | 1997 | 1987 | 1997 | 1992 | 1986 | 1975 | 1971 | 1974 | 1984 | 1976 | 1983 | 1979 |
| Mean Temperature (F) | 43.9 | 49.8 | 56.6 | 64.5 | 72.9 | 79.9 | 81.9 | 80.3 | 74.0 | 64.5 | 52.5 | 45.2 | 63.8 |
| Highest Mean Temperature (F) | 48.6 | 56.6 | 62.3 | 69.2 | 78.4 | 85.2 | 85.6 | 84.7 | 79.8 | 68.3 | 57.3 | 50.3 | 85.6 |
| Year Highest Occurred | 2000 | 2000 | 1974 | 1972 | 1996 | 1990 | 1998 | 1977 | 1977 | 1998 | 1999 | 1981 | 1998 |
| Lowest Mean Temperature (F) | 37.7 | 44.4 | 51.7 | 59.0 | 68.6 | 76.1 | 77.3 | 76.2 | 66.5 | 58.2 | 45.2 | 40.0 | 37.7 |
| Year Lowest Occurred | 1979 | 1973 | 1996 | 1973 | 1992 | 1979 | 1975 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 28.3 | 33.2 | 39.4 | 47.4 | 56.9 | 64.9 | 68.3 | 67.0 | 60.4 | 49.5 | 37.1 | 29.3 | 48.5 |
| Highest Mean Min. Temperature (F) | 32.8 | 39.7 | 45.3 | 52.4 | 60.9 | 70.0 | 72.7 | 72.7 | 64.7 | 54.7 | 44.7 | 36.7 | 72.7 |
| Year Highest Occurred | 1981 | 2000 | 1999 | 1986 | 1974 | 1990 | 1999 | 1999 | 1998 | 1983 | 1998 | 1984 | 1999 |
| Lowest Mean Min. Temperature (F) | 24.3 | 26.3 | 33.2 | 40.7 | 50.8 | 59.0 | 65.3 | 63.3 | 55.4 | 42.2 | 30.6 | 23.6 | 23.6 |
| Year Lowest Occurred | 1979 | 1974 | 1996 | 1973 | 1973 | 1973 | 1975 | 1976 | 1974 | 1976 | 1976 | 1972 | 1972 |
| Mean Precipitation (in.) | 0.41 | 0.48 | 0.34 | 0.57 | 1.70 | 1.64 | 1.83 | 1.98 | 2.36 | 1.23 | 0.63 | 0.58 | 13.75 |
| Highest Precipitation (in.) | 1.55 | 1.48 | 1.03 | 2.99 | 8.01 | 5.86 | 6.83 | 6.06 | 7.64 | 4.71 | 3.30 | 4.35 | 8.01 |
| Year Highest Occurred | 1983 | 1973 | 1987 | 1981 | 1992 | 1986 | 1988 | 1971 | 1980 | 1985 | 1978 | 1986 | 1992 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 1999 | 1999 | 1998 | 1998 | 2000 | 1998 | 2000 | 1975 | 2000 | 1999 | 1999 | 2000 | 1999 |
| Heating Degree Days (F) | 657. | 428. | 270. | 95. | 13. | 0. | 0. | 0. | 9. | 82. | 380. | 615. | 2549. |
| Cooling Degree Days (F) | 0. | 0. | 8. | 82. | 256. | 447. | 524. | 472. | 278. | 65. | 6. | 0. | 2138. |