| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.6 | 59.0 | 66.1 | 73.5 | 81.6 | 89.9 | 91.6 | 89.5 | 84.1 | 74.9 | 62.1 | 53.6 | 73.3 |
| Highest Mean Max. Temperature (F) | 62.4 | 67.1 | 73.3 | 78.7 | 90.0 | 96.6 | 96.7 | 94.0 | 89.7 | 81.8 | 71.3 | 63.9 | 96.7 |
| Year Highest Occurred | 1986 | 2000 | 1989 | 2000 | 1996 | 1990 | 1980 | 1994 | 2000 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 44.8 | 52.3 | 60.6 | 65.4 | 77.3 | 86.2 | 86.6 | 85.2 | 79.4 | 66.9 | 52.8 | 46.3 | 44.8 |
| Year Lowest Occurred | 1979 | 1997 | 1973 | 1997 | 1987 | 1986 | 1991 | 1971 | 1974 | 1984 | 1972 | 1997 | 1979 |
| Mean Temperature (F) | 37.5 | 41.8 | 47.9 | 54.9 | 63.3 | 71.9 | 74.8 | 73.0 | 66.7 | 56.4 | 45.0 | 37.6 | 55.9 |
| Highest Mean Temperature (F) | 43.4 | 47.8 | 52.6 | 59.6 | 70.3 | 77.5 | 78.6 | 76.8 | 71.2 | 59.7 | 50.5 | 44.8 | 78.6 |
| Year Highest Occurred | 1999 | 2000 | 1974 | 2000 | 1996 | 1990 | 1980 | 1995 | 1983 | 1992 | 1995 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 31.0 | 38.2 | 43.9 | 47.6 | 59.1 | 68.2 | 71.4 | 69.6 | 62.3 | 51.0 | 37.7 | 31.0 | 31.0 |
| Year Lowest Occurred | 1979 | 1989 | 1987 | 1973 | 1983 | 1979 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 21.4 | 24.6 | 29.7 | 36.2 | 44.9 | 53.8 | 58.0 | 56.4 | 49.2 | 37.8 | 27.9 | 21.5 | 38.5 |
| Highest Mean Min. Temperature (F) | 27.3 | 29.8 | 32.9 | 40.5 | 50.6 | 58.3 | 61.5 | 60.0 | 54.8 | 41.8 | 33.3 | 28.0 | 61.5 |
| Year Highest Occurred | 1999 | 1976 | 1986 | 2000 | 1996 | 1990 | 1996 | 1995 | 1997 | 2000 | 1998 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 17.2 | 20.7 | 25.4 | 29.7 | 39.6 | 49.5 | 54.6 | 52.7 | 45.2 | 32.2 | 21.9 | 15.2 | 15.2 |
| Year Lowest Occurred | 1979 | 1974 | 1980 | 1973 | 1983 | 1983 | 1975 | 1974 | 1974 | 1976 | 1976 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.42 | 0.44 | 0.67 | 0.90 | 1.42 | 1.84 | 2.39 | 2.89 | 1.90 | 1.23 | 0.86 | 0.73 | 15.69 |
| Highest Precipitation (in.) | 1.15 | 2.59 | 2.19 | 4.20 | 3.50 | 5.51 | 5.18 | 7.67 | 4.18 | 4.26 | 3.80 | 4.13 | 7.67 |
| Year Highest Occurred | 1999 | 1986 | 2000 | 1997 | 1987 | 1978 | 1976 | 1989 | 1982 | 1974 | 1978 | 1997 | 1989 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.77 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1996 | 1996 | 1998 | 1998 | 1987 | 1983 | 2000 | 1987 | 1999 | 1993 | 2000 |
| Heating Degree Days (F) | 852. | 651. | 530. | 314. | 119. | 10. | 0. | 2. | 45. | 273. | 601. | 851. | 4248. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 64. | 216. | 304. | 248. | 94. | 4. | 0. | 0. | 940. |