| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.3 | 61.8 | 66.3 | 73.6 | 81.4 | 90.7 | 88.8 | 86.0 | 83.8 | 75.7 | 65.5 | 58.5 | 74.2 |
| Highest Mean Max. Temperature (F) | 65.2 | 68.3 | 74.1 | 82.3 | 89.3 | 95.8 | 92.3 | 89.3 | 87.6 | 80.7 | 73.6 | 64.8 | 95.8 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1990 | 1994 | 1975 | 2000 | 1995 | 1999 | 1981 | 1990 |
| Lowest Mean Max. Temperature (F) | 51.3 | 55.6 | 57.5 | 66.4 | 77.2 | 86.9 | 83.4 | 82.5 | 79.8 | 69.5 | 58.6 | 51.2 | 51.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1983 | 1999 | 1984 | 1976 | 1984 | 2000 | 1997 | 1997 |
| Mean Temperature (F) | 43.3 | 46.0 | 49.7 | 55.6 | 63.3 | 72.2 | 74.6 | 72.6 | 68.8 | 59.6 | 49.4 | 43.6 | 58.2 |
| Highest Mean Temperature (F) | 46.9 | 50.3 | 55.6 | 62.0 | 69.1 | 77.4 | 77.2 | 75.6 | 72.0 | 62.8 | 54.1 | 48.2 | 77.4 |
| Year Highest Occurred | 2000 | 1996 | 1972 | 1989 | 2000 | 1990 | 1994 | 1995 | 1998 | 1987 | 1999 | 1977 | 1990 |
| Lowest Mean Temperature (F) | 39.4 | 42.5 | 44.7 | 49.9 | 59.8 | 68.3 | 71.7 | 69.7 | 65.7 | 54.8 | 44.0 | 39.4 | 39.4 |
| Year Lowest Occurred | 1992 | 1990 | 1973 | 1975 | 1975 | 1983 | 1975 | 1990 | 1985 | 1971 | 2000 | 1997 | 1997 |
| Mean Min. Temperature (F) | 28.3 | 30.1 | 33.1 | 37.6 | 45.1 | 53.7 | 60.4 | 59.1 | 53.7 | 43.4 | 33.3 | 28.6 | 42.2 |
| Highest Mean Min. Temperature (F) | 35.0 | 35.5 | 37.8 | 41.6 | 50.0 | 59.5 | 62.9 | 62.2 | 57.9 | 47.8 | 36.7 | 33.3 | 62.9 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1989 | 1997 | 1994 | 1996 | 1994 | 1997 | 1977 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 24.5 | 24.6 | 28.6 | 33.3 | 40.6 | 48.5 | 57.0 | 56.1 | 50.9 | 39.0 | 28.1 | 25.1 | 24.5 |
| Year Lowest Occurred | 1987 | 1974 | 1977 | 1975 | 1975 | 1991 | 1975 | 1990 | 1985 | 1982 | 1992 | 1974 | 1987 |
| Mean Precipitation (in.) | 1.40 | 1.18 | 1.10 | 0.49 | 0.24 | 0.59 | 3.66 | 3.73 | 1.78 | 1.50 | 0.96 | 1.41 | 18.04 |
| Highest Precipitation (in.) | 7.99 | 3.85 | 3.74 | 1.90 | 1.74 | 3.76 | 6.99 | 7.20 | 7.47 | 9.16 | 3.56 | 5.54 | 9.16 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1988 | 1992 | 2000 | 1984 | 1984 | 1983 | 2000 | 1994 | 1984 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.16 | 1.08 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1984 | 1984 | 1993 | 2000 | 1998 | 1987 | 1981 | 1973 | 1999 | 1999 | 1996 | 1999 |
| Heating Degree Days (F) | 673. | 534. | 474. | 290. | 119. | 9. | 0. | 0. | 16. | 188. | 468. | 664. | 3435. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 64. | 223. | 298. | 234. | 129. | 18. | 0. | 0. | 974. |