| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.3 | 47.7 | 56.8 | 65.3 | 75.7 | 87.4 | 93.0 | 90.6 | 81.7 | 68.4 | 52.1 | 41.3 | 66.6 |
| Highest Mean Max. Temperature (F) | 48.5 | 57.5 | 64.9 | 73.3 | 82.5 | 94.2 | 98.1 | 97.3 | 87.7 | 75.4 | 61.2 | 49.6 | 98.1 |
| Year Highest Occurred | 1998 | 1995 | 1999 | 1989 | 1996 | 1994 | 1994 | 1994 | 1979 | 1992 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 22.7 | 36.8 | 47.5 | 57.0 | 68.4 | 81.2 | 88.3 | 87.4 | 75.7 | 60.7 | 43.6 | 31.4 | 22.7 |
| Year Lowest Occurred | 1973 | 1973 | 1973 | 1975 | 1975 | 1975 | 1983 | 1976 | 1986 | 1984 | 1979 | 1978 | 1973 |
| Mean Temperature (F) | 27.2 | 34.8 | 42.8 | 50.5 | 60.6 | 71.0 | 77.4 | 75.4 | 66.0 | 53.1 | 39.0 | 29.3 | 52.3 |
| Highest Mean Temperature (F) | 36.6 | 41.1 | 49.3 | 61.5 | 67.2 | 76.3 | 83.2 | 81.1 | 70.3 | 61.2 | 45.9 | 37.0 | 83.2 |
| Year Highest Occurred | 1998 | 1995 | 1992 | 1992 | 1992 | 1994 | 1996 | 1996 | 1998 | 1992 | 1995 | 1995 | 1996 |
| Lowest Mean Temperature (F) | 10.9 | 24.9 | 36.0 | 44.4 | 54.9 | 65.4 | 73.8 | 71.9 | 61.5 | 48.0 | 31.2 | 19.9 | 10.9 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1975 | 1975 | 1987 | 1987 | 1971 | 1982 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 15.1 | 21.9 | 28.7 | 35.7 | 45.5 | 54.5 | 61.7 | 60.2 | 50.2 | 37.7 | 25.8 | 17.2 | 37.9 |
| Highest Mean Min. Temperature (F) | 27.9 | 31.5 | 33.4 | 41.7 | 56.1 | 60.5 | 68.6 | 66.6 | 56.5 | 47.0 | 31.7 | 24.7 | 68.6 |
| Year Highest Occurred | 1993 | 1993 | 1997 | 1992 | 1992 | 1992 | 1996 | 1996 | 1997 | 1992 | 1995 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | -0.9 | 12.1 | 22.4 | 30.7 | 41.1 | 49.6 | 57.1 | 55.8 | 45.1 | 32.2 | 18.9 | 8.3 | -0.9 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1984 | 1991 | 1975 | 1987 | 1987 | 1987 | 1982 | 1979 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.58 | 0.42 | 0.80 | 0.72 | 0.68 | 0.31 | 0.87 | 0.93 | 0.80 | 1.17 | 0.63 | 0.51 | 8.42 |
| Highest Precipitation (in.) | 1.56 | 1.37 | 2.59 | 1.99 | 2.61 | 1.87 | 2.27 | 2.09 | 2.17 | 4.43 | 1.58 | 1.54 | 4.43 |
| Year Highest Occurred | 1980 | 1979 | 1985 | 1999 | 1995 | 1984 | 1981 | 1984 | 1994 | 1972 | 1987 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1988 | 1972 | 1989 | 1974 | 1989 | 1994 | 1985 | 1992 | 1999 | 1993 | 1989 | 1972 |
| Heating Degree Days (F) | 1173. | 846. | 687. | 437. | 185. | 28. | 0. | 5. | 68. | 378. | 781. | 1108. | 5696. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 48. | 207. | 383. | 326. | 96. | 7. | 0. | 0. | 1073. |