| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.6 | 48.5 | 60.9 | 70.4 | 80.0 | 91.8 | 97.3 | 94.6 | 84.9 | 70.6 | 54.0 | 42.5 | 69.5 |
| Highest Mean Max. Temperature (F) | 51.6 | 62.0 | 68.2 | 79.3 | 87.3 | 98.0 | 101.6 | 97.9 | 92.9 | 78.5 | 61.4 | 51.5 | 101.6 |
| Year Highest Occurred | 1981 | 1995 | 1999 | 1992 | 1996 | 1977 | 1996 | 1994 | 1979 | 1988 | 1995 | 1995 | 1996 |
| Lowest Mean Max. Temperature (F) | 20.4 | 29.8 | 52.2 | 62.1 | 72.7 | 85.3 | 93.6 | 91.6 | 79.4 | 62.3 | 47.0 | 29.2 | 20.4 |
| Year Lowest Occurred | 1973 | 1979 | 1979 | 1975 | 1975 | 1975 | 1992 | 1975 | 1986 | 1984 | 1979 | 1978 | 1973 |
| Mean Temperature (F) | 25.3 | 34.2 | 45.8 | 54.4 | 63.6 | 73.2 | 79.6 | 77.2 | 67.0 | 53.7 | 39.3 | 29.2 | 53.5 |
| Highest Mean Temperature (F) | 35.0 | 43.5 | 50.1 | 61.4 | 68.7 | 78.8 | 82.1 | 80.5 | 71.7 | 59.9 | 43.3 | 35.1 | 82.1 |
| Year Highest Occurred | 1998 | 1995 | 1986 | 1992 | 1984 | 1977 | 1996 | 1994 | 1998 | 1988 | 1978 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 5.6 | 16.0 | 40.4 | 47.5 | 58.2 | 67.1 | 76.1 | 73.3 | 62.8 | 48.7 | 32.0 | 18.6 | 5.6 |
| Year Lowest Occurred | 1973 | 1979 | 1976 | 1975 | 1975 | 1975 | 1993 | 1975 | 1971 | 1984 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 11.9 | 19.9 | 30.7 | 38.3 | 47.2 | 54.6 | 61.9 | 59.8 | 49.1 | 36.7 | 24.5 | 15.8 | 37.5 |
| Highest Mean Min. Temperature (F) | 24.4 | 28.2 | 36.6 | 43.4 | 51.2 | 60.3 | 65.5 | 65.1 | 55.9 | 45.0 | 31.6 | 21.9 | 65.5 |
| Year Highest Occurred | 1993 | 1993 | 1978 | 1992 | 1984 | 1988 | 1999 | 1971 | 1998 | 1972 | 1978 | 1994 | 1999 |
| Lowest Mean Min. Temperature (F) | -9.2 | 2.3 | 24.3 | 32.8 | 43.7 | 48.9 | 56.5 | 53.7 | 45.0 | 29.7 | 16.9 | 7.7 | -9.2 |
| Year Lowest Occurred | 1973 | 1979 | 1971 | 1975 | 1975 | 1975 | 1993 | 1974 | 1973 | 1999 | 1979 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.50 | 0.43 | 0.67 | 0.60 | 0.65 | 0.34 | 0.76 | 0.68 | 0.72 | 0.98 | 0.46 | 0.32 | 7.11 |
| Highest Precipitation (in.) | 1.79 | 1.77 | 2.55 | 1.88 | 2.12 | 1.58 | 3.35 | 2.09 | 1.93 | 4.39 | 1.89 | 0.97 | 4.39 |
| Year Highest Occurred | 1993 | 1998 | 1979 | 1997 | 1973 | 1984 | 1999 | 1984 | 1997 | 1972 | 1978 | 1987 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1981 | 1974 | 1999 | 1982 | 1974 | 1978 | 1988 | 1975 | 1995 | 1999 | 1999 | 1989 | 1981 |
| Heating Degree Days (F) | 1233. | 861. | 594. | 332. | 109. | 14. | 0. | 0. | 56. | 358. | 773. | 1112. | 5442. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 66. | 261. | 453. | 378. | 116. | 6. | 0. | 0. | 1292. |