| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.4 | 61.8 | 69.8 | 78.1 | 85.7 | 90.9 | 93.4 | 92.3 | 86.0 | 76.8 | 65.6 | 57.6 | 76.2 |
| Highest Mean Max. Temperature (F) | 64.7 | 71.9 | 77.6 | 85.0 | 97.3 | 99.1 | 100.0 | 98.1 | 94.6 | 84.7 | 72.8 | 63.8 | 100.0 |
| Year Highest Occurred | 1999 | 2000 | 2000 | 1972 | 2000 | 1998 | 1998 | 1999 | 2000 | 1979 | 1999 | 1977 | 1998 |
| Lowest Mean Max. Temperature (F) | 44.4 | 52.7 | 61.8 | 70.9 | 80.5 | 84.9 | 84.2 | 86.5 | 75.6 | 68.7 | 56.5 | 48.1 | 44.4 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1992 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Temperature (F) | 42.8 | 47.7 | 55.8 | 63.8 | 72.2 | 78.3 | 80.7 | 79.5 | 73.3 | 63.7 | 52.4 | 44.2 | 62.9 |
| Highest Mean Temperature (F) | 49.8 | 56.8 | 63.0 | 69.6 | 81.9 | 84.7 | 87.0 | 84.3 | 79.2 | 68.0 | 57.5 | 49.4 | 87.0 |
| Year Highest Occurred | 1999 | 2000 | 2000 | 1972 | 2000 | 1998 | 1998 | 1999 | 1977 | 1998 | 1985 | 1994 | 1998 |
| Lowest Mean Temperature (F) | 34.0 | 39.9 | 47.1 | 58.1 | 67.6 | 72.7 | 74.5 | 73.7 | 64.0 | 55.7 | 44.9 | 35.3 | 34.0 |
| Year Lowest Occurred | 1979 | 1978 | 1996 | 1997 | 1976 | 1995 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 29.1 | 33.5 | 41.7 | 49.4 | 58.7 | 65.6 | 68.0 | 66.6 | 60.5 | 50.5 | 39.2 | 30.8 | 49.5 |
| Highest Mean Min. Temperature (F) | 34.9 | 41.6 | 48.3 | 56.3 | 66.5 | 71.8 | 73.9 | 70.5 | 66.2 | 57.8 | 46.3 | 37.9 | 73.9 |
| Year Highest Occurred | 1999 | 2000 | 2000 | 1986 | 2000 | 1990 | 1998 | 1999 | 1986 | 1998 | 1998 | 1994 | 1998 |
| Lowest Mean Min. Temperature (F) | 23.4 | 27.0 | 32.1 | 43.6 | 54.6 | 60.1 | 62.8 | 60.8 | 52.4 | 42.7 | 32.9 | 22.6 | 22.6 |
| Year Lowest Occurred | 1978 | 1978 | 1996 | 1996 | 1976 | 1995 | 1975 | 1971 | 1974 | 1976 | 1979 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.68 | 0.92 | 0.81 | 1.42 | 2.39 | 1.99 | 1.79 | 2.18 | 2.97 | 1.92 | 0.88 | 0.84 | 18.79 |
| Highest Precipitation (in.) | 2.42 | 4.01 | 5.15 | 4.24 | 6.52 | 6.71 | 9.18 | 8.68 | 12.60 | 7.86 | 2.84 | 3.97 | 12.60 |
| Year Highest Occurred | 1994 | 1992 | 1979 | 1981 | 1987 | 2000 | 1990 | 1974 | 1974 | 1974 | 1996 | 1991 | 1974 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 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 | 1975 | 1998 | 2000 | 1990 | 2000 | 2000 | 2000 | 1988 | 1999 | 1996 | 1976 |
| Heating Degree Days (F) | 689. | 488. | 304. | 117. | 30. | 1. | 0. | 1. | 23. | 111. | 386. | 645. | 2795. |
| Cooling Degree Days (F) | 0. | 1. | 17. | 79. | 254. | 398. | 487. | 449. | 271. | 69. | 8. | 0. | 2033. |