| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 52.1 | 58.4 | 64.3 | 72.5 | 82.0 | 93.3 | 99.3 | 97.5 | 89.7 | 77.4 | 62.4 | 53.0 | 75.2 |
| Highest Mean Max. Temperature (F) | 61.5 | 67.2 | 72.9 | 80.2 | 89.6 | 98.8 | 102.2 | 100.9 | 96.1 | 85.6 | 71.0 | 63.1 | 102.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1972 | 1996 | 1979 | 1988 | 1995 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 42.8 | 50.6 | 56.0 | 63.4 | 73.5 | 86.4 | 95.4 | 91.4 | 82.4 | 70.3 | 53.8 | 45.7 | 42.8 |
| Year Lowest Occurred | 1974 | 1998 | 1973 | 1983 | 1998 | 1998 | 1987 | 1983 | 1982 | 1972 | 1994 | 1984 | 1974 |
| Mean Temperature (F) | 38.5 | 43.7 | 48.9 | 56.3 | 65.3 | 75.3 | 81.5 | 79.8 | 71.6 | 59.9 | 46.9 | 38.7 | 58.9 |
| Highest Mean Temperature (F) | 45.6 | 51.3 | 55.4 | 63.5 | 70.6 | 80.6 | 84.5 | 83.2 | 74.8 | 65.9 | 53.0 | 46.0 | 84.5 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 1989 | 1984 | 1981 | 1996 | 1977 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 31.5 | 38.8 | 43.0 | 49.1 | 58.3 | 69.7 | 78.0 | 75.3 | 66.2 | 54.0 | 40.9 | 32.2 | 31.5 |
| Year Lowest Occurred | 1974 | 1990 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1982 | 1994 | 1990 | 1974 |
| Mean Min. Temperature (F) | 24.9 | 29.0 | 33.4 | 40.0 | 48.5 | 57.2 | 63.6 | 62.0 | 53.5 | 42.4 | 31.3 | 24.4 | 42.5 |
| Highest Mean Min. Temperature (F) | 32.1 | 35.3 | 39.0 | 46.8 | 53.8 | 62.3 | 67.1 | 66.9 | 58.6 | 47.1 | 36.5 | 29.9 | 67.1 |
| Year Highest Occurred | 1995 | 1995 | 1994 | 1989 | 1997 | 1981 | 1985 | 1977 | 1983 | 1987 | 1981 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 19.8 | 22.8 | 26.7 | 34.1 | 43.0 | 52.1 | 59.4 | 57.0 | 46.5 | 37.5 | 27.0 | 17.0 | 17.0 |
| Year Lowest Occurred | 1972 | 1974 | 1971 | 1975 | 1998 | 1976 | 1978 | 1976 | 1977 | 1982 | 1973 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.71 | 0.69 | 0.88 | 0.55 | 0.49 | 0.19 | 0.40 | 0.70 | 0.40 | 0.61 | 0.53 | 0.46 | 6.61 |
| Highest Precipitation (in.) | 2.14 | 3.22 | 3.03 | 2.33 | 1.59 | 0.88 | 4.05 | 3.60 | 2.30 | 3.18 | 2.48 | 1.91 | 4.05 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1988 | 1977 | 1972 | 1984 | 1983 | 1997 | 1974 | 1987 | 1994 | 1984 |
| 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 | 1997 | 1999 | 1996 | 2000 | 1996 | 2000 | 1998 | 1998 | 1999 | 1995 | 1999 | 1976 |
| Heating Degree Days (F) | 821. | 596. | 502. | 288. | 106. | 9. | 0. | 0. | 17. | 201. | 544. | 816. | 3900. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 25. | 114. | 315. | 509. | 458. | 214. | 43. | 0. | 0. | 1680. |