| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.3 | 44.2 | 52.3 | 60.7 | 70.0 | 81.5 | 88.4 | 86.2 | 77.2 | 65.5 | 47.8 | 40.0 | 62.7 |
| Highest Mean Max. Temperature (F) | 46.9 | 52.8 | 59.7 | 68.7 | 77.0 | 86.9 | 93.3 | 91.3 | 83.0 | 69.3 | 62.4 | 50.6 | 93.3 |
| Year Highest Occurred | 1981 | 1999 | 1986 | 1981 | 1994 | 1994 | 1980 | 1973 | 1978 | 1975 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 25.8 | 31.2 | 46.2 | 50.5 | 60.4 | 74.4 | 82.9 | 80.6 | 70.5 | 59.3 | 35.5 | 24.4 | 24.4 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1984 | 1995 | 1983 | 1990 | 1997 | 1993 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 23.9 | 29.1 | 36.7 | 45.2 | 55.1 | 65.7 | 72.1 | 70.1 | 60.4 | 48.6 | 33.1 | 25.7 | 47.1 |
| Highest Mean Temperature (F) | 31.9 | 37.1 | 41.8 | 51.9 | 60.4 | 70.8 | 75.5 | 73.6 | 66.6 | 51.2 | 44.2 | 33.7 | 75.5 |
| Year Highest Occurred | 1999 | 1999 | 1986 | 1981 | 1994 | 1988 | 1980 | 2000 | 1998 | 1979 | 1999 | 1994 | 1980 |
| Lowest Mean Temperature (F) | 11.7 | 18.6 | 31.2 | 36.2 | 49.6 | 59.8 | 68.9 | 66.8 | 56.1 | 42.1 | 21.6 | 10.4 | 10.4 |
| Year Lowest Occurred | 1979 | 1989 | 1984 | 1984 | 1983 | 1983 | 1990 | 1974 | 1993 | 1984 | 1985 | 1983 | 1983 |
| Mean Min. Temperature (F) | 9.4 | 14.0 | 21.1 | 29.7 | 40.2 | 49.9 | 55.7 | 53.9 | 43.6 | 31.7 | 18.4 | 11.3 | 31.6 |
| Highest Mean Min. Temperature (F) | 19.3 | 21.4 | 27.1 | 35.0 | 45.0 | 55.7 | 59.5 | 56.7 | 50.3 | 37.3 | 27.9 | 19.5 | 59.5 |
| Year Highest Occurred | 1999 | 1999 | 1992 | 1981 | 1987 | 1988 | 2000 | 2000 | 1998 | 1998 | 1998 | 1999 | 2000 |
| Lowest Mean Min. Temperature (F) | -2.4 | 5.2 | 14.1 | 21.8 | 34.0 | 44.5 | 51.8 | 49.4 | 37.4 | 24.9 | 7.3 | -3.6 | -3.6 |
| Year Lowest Occurred | 1979 | 1985 | 1984 | 1984 | 1983 | 1982 | 1984 | 1974 | 1974 | 1984 | 1985 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.28 | 0.20 | 0.85 | 1.38 | 2.49 | 2.57 | 2.57 | 2.01 | 1.39 | 0.87 | 0.49 | 0.23 | 15.33 |
| Highest Precipitation (in.) | 0.90 | 1.16 | 3.07 | 3.63 | 5.89 | 9.50 | 7.49 | 5.66 | 5.39 | 4.15 | 1.11 | 0.63 | 9.50 |
| Year Highest Occurred | 1979 | 1987 | 1992 | 1977 | 1975 | 1995 | 1997 | 1979 | 1999 | 1994 | 1993 | 1979 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.00 | 0.16 | 0.49 | 0.88 | 0.03 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1983 | 1999 | 1994 | 1992 | 1974 | 1990 | 1993 | 1973 | 1978 | 1977 | 1988 | 1996 | 1983 |
| Heating Degree Days (F) | 1275. | 1005. | 878. | 593. | 316. | 85. | 5. | 17. | 178. | 509. | 957. | 1220. | 7038. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 106. | 223. | 174. | 40. | 0. | 0. | 0. | 551. |