| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.4 | 41.5 | 51.0 | 59.4 | 68.7 | 80.6 | 89.1 | 87.6 | 76.5 | 62.9 | 48.2 | 38.2 | 61.7 |
| Highest Mean Max. Temperature (F) | 43.8 | 50.1 | 57.0 | 68.4 | 76.2 | 86.9 | 92.5 | 91.0 | 82.1 | 71.2 | 58.3 | 45.5 | 92.5 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1992 | 1992 | 1988 | 1981 | 1994 | 1990 | 1988 | 1999 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 27.4 | 30.4 | 44.5 | 51.6 | 63.2 | 73.3 | 81.0 | 83.6 | 69.7 | 56.6 | 40.6 | 31.0 | 27.4 |
| Year Lowest Occurred | 1984 | 1984 | 1984 | 1975 | 1995 | 1998 | 1993 | 1976 | 1986 | 1984 | 2000 | 1990 | 1984 |
| Mean Temperature (F) | 28.1 | 32.9 | 42.2 | 49.9 | 58.8 | 69.2 | 76.9 | 75.2 | 64.3 | 51.7 | 38.9 | 29.9 | 51.5 |
| Highest Mean Temperature (F) | 35.5 | 40.5 | 47.5 | 56.9 | 64.2 | 73.7 | 80.2 | 78.7 | 70.5 | 58.2 | 46.0 | 36.8 | 80.2 |
| Year Highest Occurred | 2000 | 1995 | 1992 | 1992 | 1992 | 1977 | 1989 | 2000 | 1990 | 1988 | 1999 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 19.2 | 21.5 | 36.0 | 43.9 | 54.5 | 63.3 | 69.4 | 71.2 | 59.5 | 46.0 | 32.6 | 21.9 | 19.2 |
| Year Lowest Occurred | 1973 | 1984 | 1976 | 1975 | 1995 | 1998 | 1993 | 1976 | 1986 | 1984 | 2000 | 1990 | 1973 |
| Mean Min. Temperature (F) | 19.7 | 24.3 | 33.3 | 40.4 | 48.8 | 57.8 | 64.6 | 62.8 | 52.1 | 40.4 | 29.5 | 21.5 | 41.3 |
| Highest Mean Min. Temperature (F) | 28.3 | 32.1 | 38.0 | 46.4 | 52.2 | 62.4 | 68.1 | 67.2 | 59.0 | 45.1 | 35.2 | 29.1 | 68.1 |
| Year Highest Occurred | 2000 | 2000 | 1992 | 1990 | 1992 | 1977 | 1989 | 2000 | 1990 | 1988 | 1995 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 9.9 | 12.5 | 26.6 | 36.0 | 44.3 | 53.1 | 57.7 | 58.3 | 46.7 | 35.3 | 23.9 | 12.8 | 9.9 |
| Year Lowest Occurred | 1973 | 1984 | 1976 | 1983 | 1975 | 1975 | 1993 | 1975 | 1971 | 1984 | 1979 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.90 | 0.80 | 1.46 | 1.70 | 2.09 | 0.88 | 0.74 | 0.84 | 1.24 | 1.63 | 1.20 | 0.73 | 14.21 |
| Highest Precipitation (in.) | 1.92 | 1.66 | 2.53 | 4.54 | 4.13 | 2.57 | 2.67 | 4.10 | 5.42 | 3.84 | 3.33 | 3.26 | 5.42 |
| Year Highest Occurred | 1997 | 1980 | 1983 | 1984 | 1995 | 1998 | 1984 | 1983 | 1982 | 1981 | 1985 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.23 | 0.07 | 0.31 | 0.30 | 0.02 | 0.01 | 0.05 | 0.02 | 0.02 | 0.00 | 0.15 | 0.02 | 0.00 |
| Year Lowest Occurred | 1989 | 1988 | 1974 | 1985 | 1972 | 1978 | 1972 | 1985 | 1979 | 1978 | 1976 | 1986 | 1978 |
| Heating Degree Days (F) | 1146. | 900. | 708. | 458. | 219. | 44. | 2. | 2. | 102. | 417. | 784. | 1089. | 5871. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 25. | 171. | 369. | 318. | 81. | 2. | 0. | 0. | 971. |