| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.5 | 65.3 | 71.0 | 78.7 | 86.6 | 95.5 | 95.2 | 92.7 | 89.0 | 79.5 | 68.3 | 60.3 | 78.6 |
| Highest Mean Max. Temperature (F) | 67.0 | 70.8 | 79.4 | 86.4 | 92.5 | 100.1 | 99.4 | 96.5 | 93.3 | 85.0 | 75.4 | 67.5 | 100.1 |
| Year Highest Occurred | 1996 | 1996 | 1972 | 1989 | 1984 | 1990 | 1994 | 1994 | 1998 | 1995 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 53.2 | 60.4 | 61.7 | 72.0 | 82.5 | 92.5 | 89.9 | 89.3 | 84.7 | 73.2 | 60.3 | 54.8 | 53.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1987 | 1979 | 1999 | 1990 | 1975 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 44.1 | 47.7 | 52.5 | 58.8 | 66.7 | 75.5 | 79.5 | 77.8 | 72.4 | 61.7 | 50.3 | 43.8 | 60.9 |
| Highest Mean Temperature (F) | 47.8 | 53.5 | 56.9 | 63.9 | 71.8 | 80.3 | 82.5 | 81.1 | 76.9 | 65.6 | 54.7 | 48.2 | 82.5 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1989 | 2000 | 1994 | 1980 | 1994 | 1997 | 1987 | 1995 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 40.2 | 42.6 | 47.0 | 53.2 | 62.8 | 71.7 | 76.6 | 74.8 | 69.3 | 58.0 | 46.0 | 40.4 | 40.2 |
| Year Lowest Occurred | 1971 | 1971 | 1973 | 1975 | 1971 | 1991 | 1987 | 1990 | 1985 | 1976 | 2000 | 1978 | 1971 |
| Mean Min. Temperature (F) | 27.7 | 30.0 | 34.0 | 38.8 | 46.8 | 55.4 | 63.8 | 62.8 | 55.7 | 43.8 | 32.3 | 27.2 | 43.2 |
| Highest Mean Min. Temperature (F) | 36.7 | 36.4 | 38.5 | 43.6 | 51.6 | 61.7 | 67.1 | 65.6 | 60.9 | 48.8 | 37.8 | 32.4 | 67.1 |
| Year Highest Occurred | 1993 | 1995 | 1978 | 1981 | 1992 | 2000 | 1980 | 1994 | 1983 | 1972 | 1978 | 1984 | 1980 |
| Lowest Mean Min. Temperature (F) | 17.9 | 20.0 | 29.6 | 33.9 | 41.1 | 49.7 | 58.6 | 58.9 | 51.1 | 37.7 | 27.4 | 22.1 | 17.9 |
| Year Lowest Occurred | 1971 | 1971 | 1977 | 1975 | 1971 | 1991 | 1987 | 1979 | 1988 | 1982 | 1992 | 1973 | 1971 |
| Mean Precipitation (in.) | 1.11 | 0.95 | 0.68 | 0.25 | 0.35 | 0.40 | 2.36 | 2.59 | 1.27 | 1.36 | 0.73 | 1.30 | 13.35 |
| Highest Precipitation (in.) | 6.12 | 2.74 | 2.54 | 1.41 | 2.44 | 1.45 | 5.61 | 6.60 | 4.50 | 6.69 | 2.80 | 4.08 | 6.69 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1987 | 1992 | 2000 | 1999 | 1999 | 1975 | 2000 | 1994 | 1994 | 2000 |
| Lowest Precipitation (in.) | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1984 | 1984 | 1993 | 2000 | 1995 | 2000 | 1975 | 1993 | 1999 | 1999 | 1999 | 1984 |
| Heating Degree Days (F) | 648. | 486. | 388. | 208. | 55. | 3. | 0. | 0. | 7. | 136. | 441. | 658. | 3030. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 19. | 107. | 315. | 449. | 395. | 227. | 31. | 0. | 0. | 1544. |