| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.3 | 49.8 | 58.8 | 68.6 | 77.3 | 88.9 | 93.7 | 91.2 | 82.5 | 71.3 | 54.9 | 45.2 | 68.8 |
| Highest Mean Max. Temperature (F) | 60.1 | 59.7 | 69.5 | 77.8 | 84.3 | 94.9 | 101.1 | 98.1 | 88.4 | 75.7 | 66.8 | 53.3 | 101.1 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1994 | 1980 | 1983 | 1983 | 1975 | 1999 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 30.6 | 34.8 | 50.8 | 58.4 | 69.3 | 80.8 | 89.5 | 85.5 | 74.8 | 63.7 | 42.4 | 28.6 | 28.6 |
| Year Lowest Occurred | 1979 | 1978 | 1980 | 1973 | 1995 | 1989 | 1992 | 1992 | 1973 | 1976 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 28.1 | 33.7 | 42.2 | 52.2 | 61.8 | 73.1 | 77.8 | 75.5 | 66.3 | 53.6 | 39.0 | 30.2 | 52.8 |
| Highest Mean Temperature (F) | 37.4 | 39.6 | 48.5 | 59.0 | 67.7 | 77.4 | 83.5 | 84.0 | 71.6 | 57.2 | 46.6 | 36.4 | 84.0 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1981 | 1977 | 1994 | 1980 | 1983 | 1983 | 1983 | 1999 | 1980 | 1983 |
| Lowest Mean Temperature (F) | 16.2 | 22.7 | 37.4 | 45.3 | 56.7 | 68.0 | 74.1 | 70.7 | 62.2 | 47.7 | 31.9 | 18.5 | 16.2 |
| Year Lowest Occurred | 1988 | 1978 | 1998 | 1997 | 1995 | 1989 | 1992 | 1992 | 1974 | 1976 | 1972 | 1983 | 1988 |
| Mean Min. Temperature (F) | 12.8 | 17.6 | 25.6 | 35.8 | 46.3 | 57.2 | 61.9 | 59.8 | 50.0 | 35.8 | 23.0 | 15.1 | 36.7 |
| Highest Mean Min. Temperature (F) | 22.3 | 26.7 | 30.1 | 42.7 | 53.7 | 62.5 | 65.9 | 69.9 | 55.0 | 41.4 | 28.4 | 21.4 | 69.9 |
| Year Highest Occurred | 1981 | 1998 | 1973 | 1985 | 1977 | 1977 | 1980 | 1983 | 1977 | 1972 | 1998 | 1975 | 1983 |
| Lowest Mean Min. Temperature (F) | 0.6 | 10.2 | 17.5 | 30.1 | 40.4 | 51.7 | 55.7 | 53.7 | 45.0 | 28.9 | 16.7 | 7.6 | 0.6 |
| Year Lowest Occurred | 1988 | 1989 | 1988 | 1997 | 1988 | 1998 | 1988 | 1978 | 1987 | 1987 | 1993 | 1990 | 1988 |
| Mean Precipitation (in.) | 0.34 | 0.38 | 1.11 | 1.27 | 2.57 | 2.45 | 2.62 | 2.93 | 1.31 | 1.11 | 0.68 | 0.32 | 17.09 |
| Highest Precipitation (in.) | 1.43 | 1.74 | 3.84 | 4.09 | 5.98 | 4.71 | 6.38 | 8.87 | 4.05 | 5.16 | 2.66 | 1.16 | 8.87 |
| Year Highest Occurred | 1999 | 1993 | 2000 | 1980 | 1977 | 1986 | 1994 | 1997 | 1988 | 1984 | 1992 | 1997 | 1997 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.25 | 0.55 | 0.05 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1991 | 1997 | 1992 | 1974 | 1984 | 1983 | 1984 | 1974 | 1987 | 1989 | 1976 | 1986 |
| Heating Degree Days (F) | 1146. | 877. | 707. | 394. | 145. | 12. | 0. | 6. | 71. | 358. | 781. | 1080. | 5577. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 45. | 254. | 396. | 330. | 109. | 3. | 0. | 0. | 1147. |