| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.8 | 59.1 | 66.8 | 74.3 | 82.4 | 90.3 | 91.3 | 89.5 | 82.8 | 74.7 | 62.8 | 54.7 | 73.5 |
| Highest Mean Max. Temperature (F) | 60.9 | 68.3 | 75.6 | 80.1 | 91.9 | 98.5 | 97.4 | 94.6 | 90.8 | 81.0 | 71.7 | 60.6 | 98.5 |
| Year Highest Occurred | 1986 | 2000 | 1989 | 1972 | 1996 | 1990 | 1980 | 1999 | 2000 | 1979 | 1999 | 1977 | 1990 |
| Lowest Mean Max. Temperature (F) | 45.6 | 49.0 | 62.0 | 64.0 | 75.6 | 83.6 | 83.2 | 83.0 | 73.0 | 65.7 | 53.8 | 43.4 | 43.4 |
| Year Lowest Occurred | 1979 | 1978 | 1990 | 1983 | 1992 | 1986 | 1976 | 1971 | 1974 | 1984 | 2000 | 1983 | 1983 |
| Mean Temperature (F) | 38.7 | 42.9 | 49.3 | 57.1 | 66.2 | 74.5 | 77.0 | 75.4 | 68.5 | 58.8 | 47.0 | 39.5 | 57.9 |
| Highest Mean Temperature (F) | 43.8 | 50.2 | 57.2 | 62.0 | 74.4 | 80.8 | 82.4 | 79.1 | 74.5 | 62.5 | 52.4 | 44.5 | 82.4 |
| Year Highest Occurred | 1999 | 2000 | 1974 | 1981 | 1996 | 1990 | 1980 | 2000 | 1998 | 1998 | 1999 | 1981 | 1980 |
| Lowest Mean Temperature (F) | 33.7 | 36.6 | 45.5 | 48.8 | 62.2 | 70.8 | 72.6 | 70.6 | 61.3 | 53.4 | 40.0 | 30.7 | 30.7 |
| Year Lowest Occurred | 1973 | 1973 | 1996 | 1983 | 1983 | 1973 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 23.5 | 26.6 | 31.8 | 39.9 | 49.9 | 58.6 | 62.7 | 61.2 | 54.2 | 42.8 | 31.1 | 24.3 | 42.2 |
| Highest Mean Min. Temperature (F) | 28.3 | 32.1 | 39.3 | 46.9 | 56.8 | 63.2 | 67.3 | 64.8 | 58.5 | 48.9 | 39.0 | 29.4 | 67.3 |
| Year Highest Occurred | 1975 | 1976 | 1974 | 1981 | 1996 | 1980 | 1980 | 1977 | 1998 | 1983 | 1978 | 1986 | 1980 |
| Lowest Mean Min. Temperature (F) | 19.8 | 21.3 | 27.4 | 32.0 | 44.0 | 50.5 | 56.6 | 53.8 | 49.5 | 35.7 | 23.8 | 17.9 | 17.9 |
| Year Lowest Occurred | 1973 | 1994 | 1996 | 1973 | 1973 | 1973 | 1973 | 1973 | 1974 | 1976 | 1976 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.36 | 0.37 | 0.53 | 0.49 | 2.02 | 2.20 | 2.43 | 2.87 | 2.79 | 1.41 | 0.73 | 0.51 | 16.71 |
| Highest Precipitation (in.) | 1.59 | 1.90 | 2.26 | 2.52 | 8.82 | 6.95 | 6.37 | 9.62 | 7.10 | 9.67 | 2.24 | 2.60 | 9.67 |
| Year Highest Occurred | 1979 | 1973 | 1999 | 1997 | 1992 | 1999 | 1991 | 1974 | 1974 | 1981 | 2000 | 1991 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.17 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1996 | 1993 | 2000 | 1990 | 1980 | 1994 | 2000 | 1996 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 816. | 621. | 487. | 263. | 84. | 7. | 0. | 3. | 53. | 213. | 543. | 792. | 3882. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 25. | 120. | 290. | 372. | 323. | 158. | 19. | 2. | 0. | 1309. |