| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.1 | 59.7 | 67.7 | 75.3 | 83.2 | 90.6 | 91.5 | 89.2 | 84.2 | 75.0 | 62.3 | 54.2 | 73.9 |
| Highest Mean Max. Temperature (F) | 65.3 | 68.9 | 75.5 | 80.7 | 91.6 | 98.1 | 96.2 | 94.2 | 91.1 | 81.1 | 69.8 | 61.9 | 98.1 |
| Year Highest Occurred | 1986 | 2000 | 1974 | 1972 | 1996 | 1990 | 1980 | 2000 | 2000 | 1979 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 46.8 | 51.0 | 62.7 | 66.9 | 77.7 | 85.7 | 86.3 | 84.3 | 77.8 | 69.7 | 54.0 | 45.9 | 45.9 |
| Year Lowest Occurred | 1979 | 1989 | 1987 | 1997 | 1992 | 1988 | 1975 | 1971 | 1974 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 38.6 | 43.1 | 50.2 | 57.9 | 66.9 | 75.3 | 77.7 | 75.9 | 69.8 | 59.2 | 46.8 | 38.9 | 58.4 |
| Highest Mean Temperature (F) | 43.6 | 50.1 | 55.6 | 62.2 | 74.0 | 81.9 | 81.6 | 79.6 | 74.3 | 62.3 | 51.5 | 45.1 | 81.9 |
| Year Highest Occurred | 1999 | 2000 | 1974 | 1986 | 1996 | 1990 | 1980 | 2000 | 1998 | 1998 | 1981 | 1977 | 1990 |
| Lowest Mean Temperature (F) | 33.2 | 37.8 | 46.4 | 51.5 | 63.4 | 71.8 | 74.3 | 72.5 | 64.5 | 54.1 | 40.2 | 31.7 | 31.7 |
| Year Lowest Occurred | 1979 | 1989 | 1987 | 1973 | 1973 | 1979 | 1988 | 1971 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 23.0 | 26.5 | 32.7 | 40.5 | 50.6 | 60.0 | 63.9 | 62.6 | 55.3 | 43.4 | 31.3 | 23.6 | 42.8 |
| Highest Mean Min. Temperature (F) | 28.3 | 31.2 | 35.6 | 45.0 | 56.4 | 65.7 | 67.0 | 65.7 | 59.2 | 48.4 | 37.7 | 30.0 | 67.0 |
| Year Highest Occurred | 1999 | 2000 | 1974 | 1986 | 1996 | 1990 | 1980 | 1977 | 1998 | 1998 | 1978 | 1984 | 1980 |
| Lowest Mean Min. Temperature (F) | 19.4 | 19.4 | 28.5 | 33.6 | 45.9 | 55.8 | 59.9 | 59.6 | 51.1 | 38.2 | 25.0 | 17.2 | 17.2 |
| Year Lowest Occurred | 1984 | 1974 | 1980 | 1973 | 1973 | 1973 | 1985 | 1979 | 1974 | 1976 | 1979 | 1972 | 1972 |
| Mean Precipitation (in.) | 0.50 | 0.40 | 0.52 | 0.78 | 1.63 | 2.57 | 2.63 | 3.20 | 1.95 | 1.59 | 0.73 | 0.67 | 17.17 |
| Highest Precipitation (in.) | 3.01 | 1.19 | 2.73 | 3.53 | 5.56 | 7.01 | 6.35 | 8.29 | 4.52 | 6.42 | 3.54 | 3.65 | 8.29 |
| Year Highest Occurred | 1987 | 1975 | 1985 | 1997 | 1992 | 2000 | 1973 | 1987 | 1988 | 1998 | 1978 | 1991 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.04 | 0.00 | 0.12 | 0.07 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1996 | 1996 | 2000 | 1990 | 1980 | 1983 | 2000 | 1989 | 1999 | 1990 | 2000 |
| Heating Degree Days (F) | 821. | 613. | 459. | 236. | 68. | 5. | 0. | 1. | 28. | 192. | 547. | 810. | 3780. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 23. | 127. | 313. | 394. | 339. | 170. | 12. | 0. | 0. | 1378. |