| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.9 | 58.3 | 62.1 | 69.4 | 77.5 | 87.6 | 90.4 | 87.9 | 83.7 | 74.5 | 62.9 | 55.6 | 72.1 |
| Highest Mean Max. Temperature (F) | 62.3 | 63.4 | 71.7 | 77.4 | 85.1 | 94.2 | 93.9 | 91.0 | 89.3 | 81.8 | 72.4 | 64.3 | 94.2 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1974 | 1972 | 1994 | 1979 | 1979 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 47.5 | 50.8 | 51.9 | 60.7 | 72.3 | 82.6 | 85.2 | 84.1 | 78.1 | 66.9 | 55.6 | 48.0 | 47.5 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1995 | 1991 | 1999 | 1971 | 1985 | 1971 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 38.2 | 41.1 | 44.7 | 50.0 | 57.2 | 66.1 | 72.5 | 71.4 | 65.6 | 55.4 | 44.4 | 38.6 | 53.8 |
| Highest Mean Temperature (F) | 42.3 | 45.2 | 48.6 | 56.2 | 62.3 | 70.5 | 75.5 | 75.3 | 69.7 | 60.6 | 50.3 | 43.3 | 75.5 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1974 | 1981 | 1981 | 1997 | 1988 | 1995 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 31.2 | 37.4 | 39.9 | 44.5 | 52.7 | 61.9 | 70.1 | 67.5 | 61.3 | 50.4 | 38.8 | 33.9 | 31.2 |
| Year Lowest Occurred | 1979 | 1975 | 1977 | 1975 | 1980 | 1998 | 1992 | 1979 | 1985 | 1971 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 21.4 | 23.8 | 27.2 | 30.6 | 36.9 | 44.5 | 54.5 | 54.8 | 47.4 | 36.3 | 25.8 | 21.5 | 35.4 |
| Highest Mean Min. Temperature (F) | 30.0 | 29.3 | 31.8 | 35.2 | 44.9 | 50.9 | 60.7 | 61.1 | 53.4 | 42.7 | 30.7 | 27.4 | 61.1 |
| Year Highest Occurred | 1993 | 1992 | 1992 | 1990 | 1992 | 2000 | 1981 | 1981 | 1997 | 1988 | 1982 | 1984 | 1981 |
| Lowest Mean Min. Temperature (F) | 14.8 | 17.7 | 20.2 | 25.8 | 31.5 | 37.8 | 47.7 | 46.3 | 42.2 | 30.1 | 18.3 | 15.4 | 14.8 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1980 | 1980 | 1979 | 1979 | 1973 | 1982 | 1980 | 1974 | 1979 |
| Mean Precipitation (in.) | 2.32 | 2.10 | 2.66 | 0.85 | 0.69 | 0.42 | 2.54 | 3.29 | 2.02 | 2.11 | 1.67 | 1.88 | 22.55 |
| Highest Precipitation (in.) | 9.32 | 7.20 | 7.86 | 2.29 | 3.94 | 2.58 | 6.75 | 8.42 | 4.95 | 12.00 | 5.09 | 6.38 | 12.00 |
| Year Highest Occurred | 1993 | 1980 | 1978 | 1988 | 1992 | 1972 | 1999 | 1988 | 1984 | 1972 | 1982 | 1992 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.48 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1993 | 2000 | 1998 | 1993 | 1973 | 1973 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 833. | 671. | 631. | 449. | 257. | 72. | 2. | 7. | 58. | 305. | 620. | 820. | 4725. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 15. | 104. | 233. | 203. | 73. | 6. | 0. | 0. | 634. |