| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.3 | 53.9 | 59.7 | 67.0 | 75.7 | 86.6 | 92.5 | 90.7 | 84.4 | 72.4 | 58.1 | 50.7 | 70.2 |
| Highest Mean Max. Temperature (F) | 58.0 | 59.7 | 69.2 | 80.0 | 83.1 | 93.3 | 96.7 | 94.3 | 89.4 | 79.2 | 66.5 | 57.7 | 96.7 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1994 | 1996 | 1994 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 42.2 | 47.5 | 47.9 | 52.8 | 65.3 | 80.1 | 88.4 | 86.0 | 78.1 | 65.6 | 46.9 | 41.7 | 41.7 |
| Year Lowest Occurred | 1973 | 1973 | 1973 | 1975 | 1977 | 1998 | 1987 | 1979 | 1985 | 1971 | 1972 | 1972 | 1972 |
| Mean Temperature (F) | 39.4 | 42.6 | 47.2 | 54.0 | 62.5 | 73.7 | 79.5 | 77.6 | 70.5 | 59.1 | 47.4 | 39.9 | 57.8 |
| Highest Mean Temperature (F) | 45.9 | 48.2 | 55.3 | 64.9 | 70.7 | 79.0 | 83.3 | 81.4 | 75.0 | 65.8 | 53.8 | 47.0 | 83.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1996 | 1995 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 30.6 | 35.9 | 35.8 | 40.4 | 54.1 | 68.7 | 75.7 | 70.8 | 64.3 | 50.4 | 37.8 | 31.6 | 30.6 |
| Year Lowest Occurred | 1973 | 1973 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1985 | 1971 | 1972 | 1972 | 1973 |
| Mean Min. Temperature (F) | 28.5 | 31.3 | 34.7 | 40.9 | 49.3 | 60.8 | 66.5 | 64.5 | 56.5 | 45.7 | 36.6 | 29.1 | 45.4 |
| Highest Mean Min. Temperature (F) | 33.7 | 37.5 | 41.4 | 49.9 | 58.3 | 64.7 | 69.9 | 69.5 | 61.3 | 52.4 | 41.5 | 36.3 | 69.9 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1971 | 1995 | 1983 | 1988 | 1995 | 1980 | 1971 |
| Lowest Mean Min. Temperature (F) | 19.1 | 22.3 | 23.6 | 28.0 | 42.4 | 55.3 | 61.9 | 55.4 | 50.5 | 35.3 | 28.8 | 21.6 | 19.1 |
| Year Lowest Occurred | 1973 | 1975 | 1973 | 1975 | 1975 | 1995 | 1997 | 1976 | 1985 | 1971 | 1972 | 1972 | 1973 |
| Mean Precipitation (in.) | 1.04 | 1.17 | 1.12 | 0.41 | 0.33 | 0.25 | 0.97 | 1.19 | 0.69 | 0.45 | 0.65 | 0.71 | 8.98 |
| Highest Precipitation (in.) | 3.55 | 5.10 | 4.94 | 2.70 | 1.36 | 2.98 | 5.90 | 3.97 | 3.78 | 3.48 | 2.18 | 2.25 | 5.90 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1975 | 1987 | 1990 | 1984 | 1992 | 1997 | 1974 | 1978 | 1978 | 1984 |
| 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 | 1984 | 1984 | 1997 | 1997 | 2000 | 2000 | 2000 | 1985 | 2000 | 1999 | 2000 | 1999 | 1984 |
| Heating Degree Days (F) | 795. | 628. | 563. | 365. | 174. | 13. | 0. | 0. | 26. | 231. | 532. | 778. | 4105. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 33. | 96. | 275. | 449. | 391. | 190. | 47. | 2. | 0. | 1494. |