| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.7 | 47.7 | 55.4 | 64.0 | 74.1 | 85.9 | 91.0 | 88.5 | 80.2 | 67.0 | 52.2 | 43.6 | 65.9 |
| Highest Mean Max. Temperature (F) | 50.9 | 57.6 | 63.9 | 71.6 | 81.4 | 92.1 | 94.3 | 92.2 | 85.5 | 74.4 | 60.6 | 53.4 | 94.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 1996 | 1990 | 1996 | 1995 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 32.9 | 41.3 | 48.3 | 56.3 | 67.7 | 81.2 | 86.6 | 85.2 | 72.4 | 58.9 | 45.0 | 36.2 | 32.9 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1983 | 1995 | 1995 | 1992 | 1993 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 30.1 | 35.8 | 42.7 | 50.1 | 59.6 | 70.1 | 75.7 | 73.6 | 65.5 | 53.6 | 40.3 | 32.3 | 52.5 |
| Highest Mean Temperature (F) | 37.3 | 44.2 | 48.2 | 57.6 | 65.0 | 75.5 | 79.4 | 77.1 | 69.9 | 59.0 | 47.3 | 40.9 | 79.4 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1992 | 2000 | 1994 | 1996 | 1994 | 1990 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 21.8 | 28.5 | 37.8 | 44.0 | 53.9 | 64.9 | 72.6 | 70.7 | 59.4 | 47.7 | 35.2 | 24.0 | 21.8 |
| Year Lowest Occurred | 1979 | 1974 | 1980 | 1983 | 1995 | 1995 | 1986 | 1987 | 1986 | 1984 | 1979 | 1978 | 1979 |
| Mean Min. Temperature (F) | 18.4 | 23.8 | 29.9 | 36.2 | 45.0 | 54.2 | 60.4 | 58.7 | 50.8 | 40.2 | 28.4 | 20.9 | 38.9 |
| Highest Mean Min. Temperature (F) | 26.1 | 30.8 | 33.7 | 43.5 | 49.2 | 59.4 | 64.4 | 62.5 | 56.7 | 44.0 | 33.9 | 28.3 | 64.4 |
| Year Highest Occurred | 1999 | 1995 | 1994 | 1992 | 2000 | 1994 | 1996 | 2000 | 1990 | 1992 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 9.5 | 15.8 | 24.2 | 31.6 | 40.1 | 48.5 | 56.9 | 55.5 | 45.6 | 34.1 | 23.3 | 11.8 | 9.5 |
| Year Lowest Occurred | 1989 | 1974 | 1977 | 1975 | 1995 | 1995 | 1995 | 1975 | 1985 | 1982 | 1979 | 1978 | 1989 |
| Mean Precipitation (in.) | 1.54 | 1.11 | 1.06 | 0.86 | 0.79 | 0.46 | 1.30 | 1.19 | 1.25 | 1.60 | 1.11 | 1.00 | 13.27 |
| Highest Precipitation (in.) | 5.31 | 3.73 | 3.62 | 2.91 | 2.33 | 1.71 | 3.15 | 4.34 | 3.36 | 6.62 | 2.75 | 4.34 | 6.62 |
| Year Highest Occurred | 1993 | 1993 | 2000 | 1999 | 1992 | 1973 | 1977 | 1987 | 1985 | 1972 | 1987 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.03 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 2000 | 1972 | 1994 | 1993 | 1985 | 1979 | 1999 | 1989 | 1989 | 1972 |
| Heating Degree Days (F) | 1085. | 819. | 692. | 452. | 202. | 34. | 0. | 2. | 79. | 361. | 740. | 1016. | 5482. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 32. | 184. | 332. | 269. | 93. | 7. | 0. | 0. | 921. |