| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.1 | 65.8 | 71.8 | 79.3 | 85.8 | 91.2 | 89.5 | 87.5 | 83.8 | 78.4 | 68.5 | 62.4 | 77.1 |
| Highest Mean Max. Temperature (F) | 67.8 | 73.8 | 77.9 | 85.1 | 94.3 | 98.1 | 95.4 | 92.5 | 91.6 | 85.8 | 74.8 | 68.8 | 98.1 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1972 | 1996 | 1998 | 1980 | 1994 | 2000 | 1979 | 1999 | 1981 | 1998 |
| Lowest Mean Max. Temperature (F) | 51.4 | 59.6 | 66.0 | 73.1 | 77.7 | 84.3 | 83.6 | 82.4 | 77.4 | 72.4 | 60.5 | 56.7 | 51.4 |
| Year Lowest Occurred | 1992 | 1973 | 1981 | 1997 | 1992 | 1984 | 1991 | 1971 | 1974 | 1976 | 1976 | 1986 | 1992 |
| Mean Temperature (F) | 44.8 | 48.6 | 54.0 | 61.1 | 68.8 | 74.9 | 75.3 | 73.4 | 68.9 | 61.3 | 51.5 | 45.8 | 60.7 |
| Highest Mean Temperature (F) | 49.1 | 54.5 | 58.5 | 65.7 | 76.0 | 81.4 | 79.3 | 76.9 | 74.1 | 64.7 | 55.6 | 50.6 | 81.4 |
| Year Highest Occurred | 1982 | 2000 | 1974 | 1986 | 1996 | 1990 | 1980 | 1994 | 1977 | 1998 | 1994 | 1977 | 1990 |
| Lowest Mean Temperature (F) | 39.1 | 44.7 | 48.8 | 55.6 | 63.1 | 71.4 | 71.4 | 69.0 | 63.2 | 54.6 | 44.6 | 41.7 | 39.1 |
| Year Lowest Occurred | 1985 | 1973 | 1987 | 1987 | 1987 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1997 | 1985 |
| Mean Min. Temperature (F) | 28.4 | 31.3 | 36.2 | 42.9 | 51.7 | 58.5 | 61.1 | 59.3 | 54.0 | 44.1 | 34.5 | 29.1 | 44.3 |
| Highest Mean Min. Temperature (F) | 33.7 | 35.8 | 42.0 | 48.2 | 58.1 | 65.3 | 64.1 | 61.5 | 57.3 | 49.0 | 41.0 | 33.9 | 65.3 |
| Year Highest Occurred | 1993 | 1995 | 1982 | 1986 | 2000 | 1990 | 1998 | 1995 | 1998 | 1998 | 1978 | 1977 | 1990 |
| Lowest Mean Min. Temperature (F) | 23.5 | 25.7 | 29.9 | 37.6 | 47.4 | 55.0 | 57.8 | 55.7 | 49.0 | 36.9 | 28.3 | 25.2 | 23.5 |
| Year Lowest Occurred | 1985 | 1974 | 1987 | 1987 | 1973 | 1979 | 1975 | 1971 | 1975 | 1976 | 1979 | 1989 | 1985 |
| Mean Precipitation (in.) | 0.43 | 0.35 | 0.34 | 0.50 | 1.46 | 1.79 | 2.95 | 2.97 | 2.76 | 1.29 | 0.49 | 0.53 | 15.86 |
| Highest Precipitation (in.) | 1.08 | 2.04 | 1.08 | 3.98 | 4.63 | 6.98 | 9.05 | 7.15 | 8.60 | 4.10 | 1.80 | 2.94 | 9.05 |
| Year Highest Occurred | 1992 | 1989 | 1990 | 1987 | 1994 | 1984 | 1990 | 1981 | 1980 | 1984 | 1984 | 1986 | 1990 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.55 | 0.37 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 2000 | 1998 | 1996 | 1974 | 1980 | 1983 | 2000 | 1991 | 1999 | 2000 | 2000 |
| Heating Degree Days (F) | 629. | 461. | 343. | 159. | 52. | 4. | 0. | 3. | 37. | 144. | 407. | 596. | 2835. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 42. | 168. | 299. | 320. | 263. | 154. | 27. | 2. | 0. | 1277. |