| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.5 | 52.4 | 61.9 | 70.6 | 80.8 | 92.5 | 97.4 | 94.5 | 86.1 | 72.8 | 56.8 | 45.7 | 71.3 |
| Highest Mean Max. Temperature (F) | 53.5 | 63.0 | 70.3 | 78.6 | 87.2 | 97.9 | 101.3 | 98.4 | 90.4 | 79.2 | 64.2 | 53.9 | 101.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 2000 | 1974 | 1971 | 2000 | 1979 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 31.2 | 43.5 | 54.0 | 64.1 | 74.2 | 87.9 | 92.6 | 90.3 | 80.4 | 65.1 | 50.4 | 31.7 | 31.2 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1995 | 1995 | 1992 | 1976 | 1986 | 1984 | 1979 | 1992 | 1973 |
| Mean Temperature (F) | 32.2 | 38.8 | 46.8 | 54.7 | 64.6 | 75.0 | 81.4 | 79.0 | 69.7 | 56.3 | 42.8 | 33.1 | 56.2 |
| Highest Mean Temperature (F) | 37.8 | 46.0 | 51.5 | 61.1 | 69.2 | 80.4 | 84.9 | 83.9 | 73.7 | 60.6 | 46.2 | 39.2 | 84.9 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1992 | 1996 | 1994 | 1994 | 2000 | 1990 | 1992 | 1995 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 20.2 | 30.6 | 40.9 | 49.3 | 59.6 | 70.7 | 78.4 | 74.6 | 66.0 | 51.0 | 38.4 | 20.9 | 20.2 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1975 | 1975 | 1987 | 1989 | 1988 | 1982 | 1979 | 1992 | 1973 |
| Mean Min. Temperature (F) | 19.9 | 25.2 | 31.6 | 38.7 | 48.3 | 57.5 | 65.3 | 63.4 | 53.3 | 39.8 | 28.7 | 20.4 | 41.0 |
| Highest Mean Min. Temperature (F) | 28.7 | 31.1 | 35.9 | 45.4 | 52.3 | 63.4 | 70.5 | 69.6 | 60.2 | 45.9 | 32.8 | 26.6 | 70.5 |
| Year Highest Occurred | 1993 | 1993 | 1983 | 1992 | 1992 | 1981 | 1990 | 1994 | 1990 | 1972 | 1983 | 1984 | 1990 |
| Lowest Mean Min. Temperature (F) | 9.2 | 17.6 | 24.5 | 34.0 | 42.8 | 52.5 | 60.5 | 57.5 | 48.7 | 33.4 | 25.0 | 9.3 | 9.2 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1974 | 1975 | 1975 | 1987 | 1989 | 1988 | 1973 | 1975 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.61 | 0.49 | 0.55 | 0.45 | 0.50 | 0.19 | 0.61 | 0.61 | 0.66 | 0.99 | 0.53 | 0.49 | 6.68 |
| Highest Precipitation (in.) | 2.38 | 2.46 | 1.74 | 1.36 | 1.76 | 1.08 | 1.77 | 1.53 | 1.71 | 6.20 | 1.62 | 1.63 | 6.20 |
| Year Highest Occurred | 1993 | 1993 | 1973 | 1980 | 1995 | 1973 | 1986 | 1971 | 1985 | 1972 | 1987 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1972 | 1999 | 1991 | 1977 | 1998 | 1994 | 1985 | 1979 | 1999 | 1989 | 1989 | 1976 |
| Heating Degree Days (F) | 1017. | 734. | 566. | 320. | 95. | 6. | 0. | 0. | 26. | 281. | 667. | 991. | 4703. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 9. | 80. | 306. | 508. | 433. | 167. | 12. | 0. | 0. | 1515. |