| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.2 | 49.7 | 58.6 | 66.4 | 75.9 | 87.5 | 94.2 | 92.0 | 83.3 | 70.4 | 54.7 | 44.4 | 68.4 |
| Highest Mean Max. Temperature (F) | 52.1 | 59.1 | 67.5 | 75.0 | 82.5 | 95.2 | 97.6 | 94.3 | 89.9 | 77.7 | 66.2 | 55.0 | 97.6 |
| Year Highest Occurred | 1994 | 1995 | 1972 | 1992 | 1974 | 1974 | 1971 | 1986 | 1979 | 1988 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 31.5 | 40.3 | 50.0 | 57.0 | 69.1 | 78.3 | 90.5 | 88.6 | 77.2 | 62.4 | 44.7 | 34.1 | 31.5 |
| Year Lowest Occurred | 1984 | 1984 | 1973 | 1975 | 1995 | 1995 | 1987 | 1983 | 1986 | 1984 | 1994 | 1985 | 1984 |
| Mean Temperature (F) | 29.3 | 35.1 | 42.8 | 49.5 | 58.4 | 68.7 | 76.1 | 74.2 | 64.7 | 52.2 | 39.0 | 29.5 | 51.6 |
| Highest Mean Temperature (F) | 37.4 | 42.1 | 48.1 | 56.0 | 64.6 | 74.6 | 79.2 | 78.3 | 68.7 | 57.6 | 45.6 | 38.6 | 79.2 |
| Year Highest Occurred | 2000 | 1995 | 1989 | 1992 | 2000 | 1994 | 1981 | 2000 | 1979 | 1988 | 1995 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 19.0 | 27.1 | 36.9 | 41.8 | 53.8 | 62.0 | 73.3 | 70.6 | 60.2 | 46.7 | 31.8 | 20.7 | 19.0 |
| Year Lowest Occurred | 1988 | 1984 | 1977 | 1975 | 1975 | 1995 | 1987 | 1976 | 1971 | 1984 | 1994 | 1990 | 1988 |
| Mean Min. Temperature (F) | 15.4 | 20.5 | 27.0 | 32.5 | 40.8 | 49.9 | 57.9 | 56.3 | 46.0 | 33.9 | 23.3 | 14.5 | 34.8 |
| Highest Mean Min. Temperature (F) | 25.2 | 26.6 | 33.1 | 38.3 | 47.5 | 55.8 | 62.9 | 62.4 | 51.3 | 38.1 | 28.1 | 24.2 | 62.9 |
| Year Highest Occurred | 2000 | 2000 | 1978 | 1994 | 2000 | 1994 | 1999 | 2000 | 1990 | 1972 | 1998 | 1996 | 1999 |
| Lowest Mean Min. Temperature (F) | 4.6 | 13.0 | 18.7 | 26.5 | 34.5 | 45.6 | 55.4 | 50.0 | 37.9 | 30.5 | 16.2 | 5.5 | 4.6 |
| Year Lowest Occurred | 1988 | 1989 | 1976 | 1975 | 1983 | 1995 | 1997 | 1976 | 1973 | 1975 | 1979 | 1990 | 1988 |
| Mean Precipitation (in.) | 0.35 | 0.33 | 0.60 | 0.60 | 0.76 | 0.37 | 0.63 | 0.96 | 0.80 | 0.82 | 0.48 | 0.21 | 6.91 |
| Highest Precipitation (in.) | 1.20 | 1.55 | 2.43 | 1.98 | 2.96 | 2.10 | 3.10 | 3.27 | 4.26 | 2.94 | 1.74 | 0.87 | 4.26 |
| Year Highest Occurred | 1980 | 1998 | 1992 | 1978 | 1991 | 1995 | 1985 | 1984 | 1982 | 2000 | 1978 | 1972 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 1989 | 1992 | 1997 | 1992 | 1974 | 1996 | 1990 | 1976 | 1995 | 1995 | 1997 | 1996 | 1989 |
| Heating Degree Days (F) | 1106. | 837. | 689. | 469. | 232. | 51. | 1. | 2. | 85. | 401. | 781. | 1103. | 5757. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 26. | 162. | 344. | 287. | 75. | 2. | 0. | 0. | 899. |