| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.6 | 54.3 | 64.1 | 73.6 | 83.0 | 94.1 | 98.6 | 94.9 | 87.2 | 73.3 | 58.2 | 47.5 | 73.0 |
| Highest Mean Max. Temperature (F) | 55.5 | 63.7 | 73.8 | 83.0 | 90.6 | 99.2 | 102.7 | 100.0 | 92.4 | 80.7 | 68.6 | 56.8 | 102.7 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1988 | 1996 | 1979 | 1995 | 1995 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 39.0 | 48.0 | 56.6 | 64.7 | 77.6 | 90.5 | 94.3 | 90.8 | 80.6 | 65.0 | 50.7 | 38.6 | 38.6 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1983 | 1980 | 1983 | 1986 | 1987 | 1986 | 1984 | 2000 | 1992 | 1992 |
| Mean Temperature (F) | 35.8 | 41.1 | 49.2 | 57.3 | 66.3 | 76.1 | 82.0 | 79.2 | 71.0 | 58.3 | 45.0 | 35.8 | 58.1 |
| Highest Mean Temperature (F) | 42.0 | 47.4 | 55.3 | 65.4 | 72.7 | 80.6 | 85.2 | 83.0 | 74.1 | 63.4 | 51.4 | 43.2 | 85.2 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 2000 | 2000 | 1996 | 2000 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 28.0 | 34.4 | 44.3 | 50.7 | 61.3 | 72.8 | 77.9 | 76.3 | 65.7 | 52.8 | 40.1 | 28.9 | 28.0 |
| Year Lowest Occurred | 1989 | 1979 | 1973 | 1975 | 1995 | 1975 | 1987 | 1987 | 1986 | 1984 | 2000 | 1992 | 1989 |
| Mean Min. Temperature (F) | 23.9 | 27.9 | 34.3 | 41.0 | 49.6 | 58.1 | 65.3 | 63.5 | 54.7 | 43.2 | 31.8 | 24.0 | 43.1 |
| Highest Mean Min. Temperature (F) | 29.2 | 33.9 | 39.9 | 48.3 | 54.8 | 64.5 | 69.1 | 69.2 | 59.4 | 47.4 | 35.2 | 29.6 | 69.2 |
| Year Highest Occurred | 1997 | 1992 | 1992 | 1992 | 2000 | 2000 | 1996 | 2000 | 1990 | 1988 | 1981 | 1980 | 2000 |
| Lowest Mean Min. Temperature (F) | 13.9 | 20.5 | 27.3 | 35.1 | 44.2 | 53.6 | 61.0 | 59.2 | 50.4 | 39.3 | 27.6 | 16.8 | 13.9 |
| Year Lowest Occurred | 1989 | 1974 | 1977 | 1975 | 1995 | 1995 | 1987 | 1975 | 1971 | 1971 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.47 | 0.56 | 0.60 | 0.37 | 0.31 | 0.11 | 0.64 | 0.60 | 0.55 | 0.88 | 0.42 | 0.26 | 5.77 |
| Highest Precipitation (in.) | 3.16 | 1.66 | 2.93 | 2.14 | 1.18 | 0.67 | 1.62 | 2.29 | 2.66 | 3.53 | 1.33 | 0.93 | 3.53 |
| Year Highest Occurred | 1993 | 1990 | 1992 | 1995 | 1987 | 1988 | 1975 | 1992 | 1997 | 2000 | 1996 | 1994 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1989 | 1991 | 1997 | 1992 | 1991 | 1995 | 1993 | 1995 | 1993 | 1999 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 906. | 668. | 493. | 259. | 82. | 4. | 0. | 0. | 15. | 233. | 600. | 906. | 4166. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 27. | 122. | 336. | 526. | 441. | 194. | 24. | 0. | 0. | 1673. |