| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.4 | 57.6 | 61.6 | 69.5 | 78.4 | 89.1 | 94.0 | 92.1 | 86.0 | 75.1 | 63.1 | 55.1 | 73.0 |
| Highest Mean Max. Temperature (F) | 62.1 | 64.2 | 72.7 | 76.7 | 86.3 | 96.4 | 98.4 | 95.9 | 91.3 | 83.5 | 70.3 | 64.7 | 98.4 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1974 | 1990 | 1981 | 1979 | 1988 | 1995 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 45.2 | 48.8 | 52.8 | 60.5 | 70.2 | 83.1 | 89.2 | 88.2 | 80.2 | 67.8 | 54.6 | 46.6 | 45.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1993 | 1989 | 1986 | 1972 | 1994 | 1992 | 1979 |
| Mean Temperature (F) | 45.7 | 48.6 | 51.8 | 58.9 | 67.1 | 77.3 | 82.6 | 80.9 | 74.9 | 64.8 | 53.4 | 46.2 | 62.7 |
| Highest Mean Temperature (F) | 52.5 | 54.5 | 61.7 | 65.3 | 74.6 | 83.9 | 86.6 | 84.4 | 80.3 | 72.1 | 60.5 | 54.1 | 86.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1974 | 1972 | 1995 | 1979 | 1988 | 1995 | 1980 | 1972 |
| Lowest Mean Temperature (F) | 38.2 | 42.0 | 43.6 | 51.1 | 59.5 | 71.5 | 78.6 | 77.3 | 68.5 | 58.7 | 45.0 | 39.1 | 38.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1993 | 1989 | 1985 | 1972 | 1994 | 1971 | 1979 |
| Mean Min. Temperature (F) | 36.9 | 39.5 | 42.0 | 48.2 | 55.7 | 65.4 | 71.1 | 69.6 | 63.7 | 54.4 | 43.6 | 37.3 | 52.3 |
| Highest Mean Min. Temperature (F) | 42.9 | 45.6 | 50.7 | 54.3 | 64.4 | 72.5 | 76.0 | 74.5 | 69.2 | 62.4 | 50.6 | 44.6 | 76.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 2000 | 1997 | 1981 | 1972 | 1995 | 1979 | 1999 | 1995 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 31.1 | 34.9 | 34.5 | 41.0 | 48.8 | 59.1 | 65.8 | 65.6 | 56.0 | 47.9 | 35.4 | 30.6 | 30.6 |
| Year Lowest Occurred | 1979 | 1985 | 1991 | 1983 | 1977 | 1993 | 1987 | 1991 | 1985 | 1984 | 1994 | 1971 | 1971 |
| Mean Precipitation (in.) | 1.54 | 1.73 | 1.74 | 0.53 | 0.27 | 0.13 | 0.90 | 1.80 | 0.90 | 0.73 | 0.58 | 0.97 | 11.82 |
| Highest Precipitation (in.) | 5.80 | 8.08 | 9.56 | 3.11 | 1.10 | 1.22 | 9.58 | 8.89 | 4.70 | 3.10 | 2.56 | 4.68 | 9.58 |
| Year Highest Occurred | 1980 | 1980 | 1992 | 1999 | 1981 | 1990 | 1984 | 1983 | 1997 | 1987 | 1985 | 1984 | 1984 |
| 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 | 1984 | 1977 | 1997 | 1996 | 2000 | 2000 | 2000 | 1992 | 1993 | 1999 | 1999 | 1999 | 1984 |
| Heating Degree Days (F) | 600. | 460. | 425. | 233. | 96. | 9. | 0. | 0. | 7. | 122. | 364. | 586. | 2902. |
| Cooling Degree Days (F) | 0. | 0. | 14. | 48. | 159. | 376. | 544. | 492. | 302. | 114. | 15. | 2. | 2066. |