| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.4 | 64.5 | 67.4 | 73.0 | 79.8 | 86.5 | 91.3 | 92.0 | 88.0 | 80.7 | 68.2 | 61.7 | 76.2 |
| Highest Mean Max. Temperature (F) | 67.8 | 74.3 | 76.0 | 79.9 | 89.9 | 94.7 | 96.3 | 96.6 | 94.7 | 87.8 | 75.6 | 68.5 | 96.6 |
| Year Highest Occurred | 1976 | 1991 | 1972 | 1992 | 1984 | 1981 | 1985 | 1992 | 1979 | 1980 | 1995 | 1980 | 1992 |
| Lowest Mean Max. Temperature (F) | 56.0 | 58.6 | 60.2 | 65.4 | 68.3 | 76.8 | 83.6 | 86.5 | 78.8 | 73.5 | 61.5 | 55.7 | 55.7 |
| Year Lowest Occurred | 1973 | 1998 | 1973 | 1983 | 1998 | 1998 | 1993 | 1987 | 1986 | 2000 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 47.3 | 50.6 | 53.4 | 56.6 | 62.3 | 67.6 | 71.6 | 71.8 | 68.2 | 61.5 | 51.9 | 46.3 | 59.1 |
| Highest Mean Temperature (F) | 51.7 | 54.8 | 57.9 | 62.3 | 68.7 | 72.9 | 76.1 | 74.8 | 73.2 | 66.4 | 57.2 | 52.7 | 76.1 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1992 | 1997 | 1981 | 1985 | 1992 | 1984 | 1991 | 1995 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 43.1 | 46.2 | 48.2 | 50.9 | 56.6 | 63.2 | 66.9 | 67.6 | 61.6 | 57.2 | 46.2 | 40.2 | 40.2 |
| Year Lowest Occurred | 1972 | 1990 | 1973 | 1975 | 1998 | 1982 | 1993 | 1987 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 33.1 | 36.6 | 39.3 | 40.1 | 44.8 | 48.7 | 51.8 | 51.6 | 48.4 | 42.3 | 35.6 | 30.9 | 41.9 |
| Highest Mean Min. Temperature (F) | 41.3 | 42.8 | 44.5 | 44.7 | 49.4 | 51.5 | 55.9 | 55.3 | 53.7 | 48.5 | 41.5 | 39.5 | 55.9 |
| Year Highest Occurred | 1995 | 1996 | 1992 | 1992 | 1992 | 1977 | 1985 | 1983 | 1976 | 1987 | 1997 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 24.5 | 30.1 | 30.4 | 34.6 | 41.6 | 46.0 | 47.9 | 48.5 | 44.3 | 35.5 | 30.9 | 20.5 | 20.5 |
| Year Lowest Occurred | 1976 | 1990 | 1977 | 1977 | 1972 | 1991 | 1981 | 1973 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 3.23 | 3.29 | 2.88 | 0.80 | 0.24 | 0.03 | 0.02 | 0.06 | 0.34 | 0.59 | 1.29 | 1.94 | 14.71 |
| Highest Precipitation (in.) | 11.51 | 9.06 | 12.31 | 3.35 | 1.87 | 0.20 | 0.35 | 1.02 | 2.90 | 1.78 | 4.14 | 5.83 | 12.31 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1983 | 1998 | 1991 | 1980 | 1976 | 1976 | 1996 | 1972 | 1996 | 1995 |
| 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 | 1976 | 1997 | 1997 | 1997 | 1999 | 1999 | 2000 | 2000 | 1996 | 1999 | 1992 | 1989 | 1976 |
| Heating Degree Days (F) | 550. | 404. | 364. | 265. | 135. | 36. | 12. | 4. | 40. | 148. | 394. | 580. | 2932. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 12. | 52. | 114. | 215. | 214. | 136. | 39. | 0. | 0. | 785. |