| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 66.2 | 68.4 | 69.7 | 76.7 | 82.7 | 91.6 | 97.8 | 98.1 | 92.6 | 84.2 | 74.2 | 67.5 | 80.8 |
| Highest Mean Max. Temperature (F) | 73.6 | 76.1 | 81.3 | 84.5 | 92.3 | 99.2 | 102.5 | 105.0 | 100.3 | 91.0 | 81.4 | 75.1 | 105.0 |
| Year Highest Occurred | 1986 | 1977 | 1997 | 1987 | 1997 | 1981 | 1980 | 1998 | 1979 | 1999 | 1995 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 59.7 | 60.3 | 60.6 | 66.4 | 74.8 | 80.8 | 88.1 | 91.9 | 84.3 | 77.7 | 67.3 | 58.9 | 58.9 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1998 | 1982 | 1993 | 1990 | 1976 | 1972 | 1985 | 1987 | 1987 |
| Mean Temperature (F) | 51.2 | 53.3 | 55.5 | 60.4 | 66.3 | 72.8 | 78.3 | 78.9 | 74.8 | 66.6 | 57.1 | 51.0 | 63.9 |
| Highest Mean Temperature (F) | 56.1 | 59.3 | 61.0 | 66.5 | 73.5 | 79.0 | 83.0 | 83.7 | 80.3 | 71.4 | 63.1 | 56.7 | 83.7 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1989 | 1997 | 1981 | 1984 | 1998 | 1984 | 1978 | 1986 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 47.6 | 50.0 | 49.6 | 52.9 | 60.8 | 65.8 | 71.0 | 74.6 | 69.1 | 62.1 | 51.4 | 45.3 | 45.3 |
| Year Lowest Occurred | 1973 | 1990 | 1973 | 1975 | 1977 | 1982 | 1993 | 1976 | 1986 | 1971 | 1994 | 1987 | 1987 |
| Mean Min. Temperature (F) | 36.1 | 38.2 | 41.2 | 44.1 | 49.8 | 53.9 | 58.7 | 59.7 | 56.9 | 49.0 | 40.0 | 34.4 | 46.8 |
| Highest Mean Min. Temperature (F) | 41.5 | 44.9 | 45.9 | 50.7 | 55.2 | 58.8 | 65.8 | 65.0 | 63.8 | 54.7 | 46.7 | 42.1 | 65.8 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1992 | 1992 | 1981 | 1984 | 1984 | 1984 | 1987 | 1986 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 28.9 | 31.9 | 35.0 | 39.3 | 45.9 | 47.7 | 53.9 | 53.0 | 52.4 | 42.9 | 35.0 | 30.5 | 28.9 |
| Year Lowest Occurred | 1976 | 1974 | 1976 | 1975 | 1975 | 1980 | 1993 | 1975 | 1973 | 1975 | 1994 | 1976 | 1976 |
| Mean Precipitation (in.) | 2.62 | 2.86 | 2.34 | 0.63 | 0.33 | 0.04 | 0.04 | 0.25 | 0.18 | 0.26 | 0.76 | 1.09 | 11.40 |
| Highest Precipitation (in.) | 13.43 | 10.87 | 7.74 | 3.11 | 2.67 | 0.77 | 0.43 | 2.03 | 2.16 | 2.15 | 3.48 | 3.63 | 13.43 |
| Year Highest Occurred | 1993 | 1993 | 1983 | 1983 | 1998 | 1993 | 1984 | 1977 | 1976 | 1987 | 1982 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1991 | 1997 | 1993 | 2000 | 2000 | 2000 | 2000 | 2000 | 1999 | 1999 | 2000 | 1976 |
| Heating Degree Days (F) | 430. | 328. | 303. | 191. | 89. | 16. | 0. | 0. | 8. | 69. | 253. | 436. | 2123. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 53. | 128. | 247. | 410. | 430. | 300. | 118. | 17. | 1. | 1710. |