| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.9 | 55.0 | 62.2 | 70.6 | 79.3 | 88.5 | 90.0 | 87.0 | 81.2 | 70.3 | 56.9 | 48.5 | 69.8 |
| Highest Mean Max. Temperature (F) | 55.8 | 62.2 | 69.4 | 77.4 | 89.1 | 93.4 | 94.5 | 91.4 | 87.3 | 75.1 | 65.9 | 55.2 | 94.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1980 | 1995 | 1998 | 1999 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 40.4 | 49.4 | 55.0 | 61.4 | 75.2 | 85.0 | 86.3 | 84.6 | 77.1 | 59.9 | 48.6 | 41.6 | 40.4 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1973 | 1980 | 1979 | 1975 | 1974 | 1975 | 1984 | 1972 | 1992 | 1979 |
| Mean Temperature (F) | 33.8 | 39.3 | 45.5 | 52.5 | 60.7 | 69.5 | 73.9 | 72.2 | 65.1 | 53.1 | 41.4 | 34.0 | 53.4 |
| Highest Mean Temperature (F) | 39.0 | 44.2 | 49.1 | 57.5 | 67.2 | 73.2 | 76.2 | 76.1 | 70.0 | 56.7 | 46.6 | 38.8 | 76.2 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 2000 | 1984 | 1994 | 1996 | 1995 | 1983 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 29.5 | 34.0 | 41.1 | 45.5 | 57.0 | 66.5 | 71.5 | 69.7 | 61.5 | 47.7 | 35.9 | 30.2 | 29.5 |
| Year Lowest Occurred | 1977 | 1974 | 1977 | 1973 | 1975 | 1979 | 1973 | 1979 | 1973 | 1984 | 1979 | 1974 | 1977 |
| Mean Min. Temperature (F) | 19.7 | 23.5 | 28.8 | 34.4 | 42.1 | 50.4 | 57.8 | 57.4 | 49.0 | 35.8 | 25.8 | 19.5 | 37.0 |
| Highest Mean Min. Temperature (F) | 27.1 | 27.5 | 34.0 | 39.0 | 46.0 | 54.1 | 61.2 | 62.5 | 54.8 | 41.3 | 30.5 | 24.3 | 62.5 |
| Year Highest Occurred | 1993 | 2000 | 1985 | 1990 | 1992 | 1988 | 1998 | 1983 | 1983 | 1972 | 1982 | 1991 | 1983 |
| Lowest Mean Min. Temperature (F) | 15.1 | 15.4 | 23.3 | 29.6 | 37.8 | 46.2 | 53.5 | 54.0 | 44.8 | 30.9 | 19.3 | 14.1 | 14.1 |
| Year Lowest Occurred | 1990 | 1974 | 1977 | 1975 | 1975 | 1975 | 1987 | 1979 | 1973 | 1976 | 1976 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.37 | 0.30 | 0.71 | 0.46 | 0.65 | 0.65 | 1.38 | 1.78 | 0.97 | 0.81 | 0.74 | 0.46 | 9.28 |
| Highest Precipitation (in.) | 1.49 | 1.26 | 2.24 | 2.01 | 1.83 | 2.34 | 4.07 | 4.36 | 2.52 | 2.55 | 2.33 | 1.58 | 4.36 |
| Year Highest Occurred | 1993 | 1993 | 1998 | 1988 | 1994 | 1996 | 1988 | 1987 | 1991 | 1986 | 1991 | 1991 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.16 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1987 | 1996 | 1998 | 1989 | 1993 | 1983 | 2000 | 1999 | 1999 | 1999 | 2000 |
| Heating Degree Days (F) | 968. | 721. | 605. | 378. | 169. | 17. | 0. | 5. | 76. | 371. | 710. | 961. | 4981. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 34. | 150. | 276. | 228. | 80. | 2. | 0. | 0. | 773. |