| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.9 | 52.9 | 59.3 | 65.8 | 74.3 | 83.9 | 92.2 | 91.1 | 82.4 | 70.6 | 55.8 | 47.0 | 68.4 |
| Highest Mean Max. Temperature (F) | 52.2 | 61.0 | 66.3 | 73.9 | 81.5 | 89.9 | 95.6 | 95.7 | 86.9 | 79.8 | 65.1 | 59.5 | 95.7 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1992 | 1986 | 1984 | 1986 | 1974 | 1988 | 1995 | 1981 | 1986 |
| Lowest Mean Max. Temperature (F) | 36.9 | 41.7 | 51.7 | 55.3 | 64.7 | 77.8 | 87.0 | 82.2 | 75.1 | 62.8 | 44.7 | 37.0 | 36.9 |
| Year Lowest Occurred | 1993 | 1989 | 1985 | 1975 | 1977 | 1998 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 33.3 | 38.9 | 44.4 | 50.1 | 58.3 | 66.7 | 73.8 | 72.0 | 63.4 | 52.3 | 40.8 | 33.0 | 52.3 |
| Highest Mean Temperature (F) | 39.1 | 44.3 | 49.4 | 56.3 | 64.5 | 72.2 | 77.2 | 76.0 | 67.2 | 57.9 | 46.5 | 42.9 | 77.2 |
| Year Highest Occurred | 1978 | 1995 | 1993 | 1992 | 1992 | 1977 | 1994 | 1971 | 1990 | 1988 | 1981 | 1981 | 1994 |
| Lowest Mean Temperature (F) | 27.3 | 27.8 | 38.4 | 43.0 | 51.5 | 61.8 | 68.8 | 66.2 | 56.7 | 47.7 | 33.9 | 21.8 | 21.8 |
| Year Lowest Occurred | 1993 | 1989 | 1985 | 1975 | 1998 | 1993 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 20.6 | 24.9 | 29.5 | 34.3 | 42.2 | 49.5 | 55.4 | 52.8 | 44.4 | 34.0 | 25.8 | 19.0 | 36.0 |
| Highest Mean Min. Temperature (F) | 29.7 | 31.2 | 35.7 | 41.0 | 47.5 | 57.5 | 58.9 | 57.8 | 50.6 | 38.8 | 31.6 | 28.6 | 58.9 |
| Year Highest Occurred | 1995 | 1980 | 1978 | 1990 | 1992 | 1977 | 1994 | 1971 | 1998 | 1979 | 1973 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 14.1 | 13.8 | 24.7 | 29.1 | 37.0 | 44.6 | 50.5 | 48.2 | 38.4 | 29.9 | 18.0 | 6.5 | 6.5 |
| Year Lowest Occurred | 1990 | 1989 | 1976 | 1979 | 1991 | 1993 | 1993 | 1985 | 1986 | 1985 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.59 | 0.64 | 0.70 | 0.43 | 0.52 | 0.55 | 0.36 | 0.27 | 0.61 | 0.37 | 0.49 | 0.49 | 6.02 |
| Highest Precipitation (in.) | 3.26 | 2.27 | 1.97 | 1.19 | 2.29 | 2.54 | 1.65 | 1.38 | 2.71 | 0.95 | 1.74 | 1.92 | 3.26 |
| Year Highest Occurred | 1980 | 1986 | 1991 | 1990 | 1995 | 1997 | 1976 | 1976 | 1982 | 1984 | 1994 | 1977 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1991 | 1988 | 1999 | 1994 | 1982 | 2000 | 1999 | 1998 | 1999 | 1995 | 2000 | 2000 | 1991 |
| Heating Degree Days (F) | 984. | 730. | 639. | 450. | 238. | 67. | 3. | 12. | 111. | 397. | 726. | 992. | 5349. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 29. | 119. | 275. | 228. | 63. | 2. | 0. | 0. | 718. |