| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.3 | 63.4 | 66.4 | 73.6 | 81.1 | 88.8 | 93.9 | 93.7 | 89.1 | 80.5 | 67.8 | 60.8 | 76.6 |
| Highest Mean Max. Temperature (F) | 68.0 | 73.0 | 74.2 | 81.9 | 92.4 | 96.3 | 99.5 | 100.0 | 98.0 | 87.8 | 74.8 | 67.0 | 100.0 |
| Year Highest Occurred | 1976 | 1991 | 1972 | 1987 | 1997 | 1981 | 1996 | 1998 | 1979 | 1999 | 1995 | 2000 | 1998 |
| Lowest Mean Max. Temperature (F) | 53.8 | 58.2 | 59.4 | 65.4 | 70.4 | 79.8 | 88.2 | 88.6 | 81.0 | 72.5 | 60.2 | 53.1 | 53.1 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1983 | 1998 | 1998 | 1993 | 1976 | 1985 | 1972 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 48.0 | 51.1 | 53.5 | 57.3 | 63.3 | 69.4 | 73.8 | 73.7 | 70.0 | 62.5 | 52.7 | 47.1 | 60.2 |
| Highest Mean Temperature (F) | 52.4 | 56.4 | 57.9 | 62.2 | 72.0 | 73.9 | 77.7 | 78.1 | 74.6 | 67.3 | 57.9 | 53.3 | 78.1 |
| Year Highest Occurred | 1986 | 1991 | 1993 | 1989 | 1997 | 1981 | 1996 | 1998 | 1984 | 1991 | 1995 | 1977 | 1998 |
| Lowest Mean Temperature (F) | 43.1 | 47.0 | 48.5 | 50.4 | 57.6 | 65.6 | 70.5 | 70.4 | 64.0 | 56.7 | 46.8 | 41.2 | 41.2 |
| Year Lowest Occurred | 1972 | 1971 | 1977 | 1975 | 1971 | 1998 | 1993 | 1975 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 35.6 | 38.7 | 40.5 | 41.0 | 45.4 | 50.0 | 53.7 | 53.7 | 50.8 | 44.4 | 37.5 | 33.3 | 43.7 |
| Highest Mean Min. Temperature (F) | 44.2 | 44.4 | 47.9 | 44.6 | 51.5 | 54.1 | 58.1 | 57.3 | 55.6 | 51.2 | 42.9 | 41.9 | 58.1 |
| Year Highest Occurred | 1995 | 1983 | 1978 | 1990 | 1997 | 2000 | 1990 | 1983 | 1984 | 1987 | 1997 | 1977 | 1990 |
| Lowest Mean Min. Temperature (F) | 28.3 | 32.0 | 31.9 | 35.2 | 41.9 | 46.1 | 50.0 | 49.2 | 46.7 | 37.2 | 32.6 | 24.3 | 24.3 |
| Year Lowest Occurred | 1976 | 1974 | 1977 | 1975 | 1975 | 1975 | 1981 | 1975 | 1986 | 1971 | 1980 | 1990 | 1990 |
| Mean Precipitation (in.) | 2.83 | 2.87 | 2.66 | 0.68 | 0.23 | 0.02 | 0.01 | 0.06 | 0.36 | 0.51 | 1.12 | 1.73 | 13.08 |
| Highest Precipitation (in.) | 10.31 | 8.42 | 11.53 | 2.84 | 2.15 | 0.30 | 0.21 | 0.90 | 3.21 | 2.09 | 3.78 | 4.86 | 11.53 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1978 | 1998 | 1995 | 1980 | 1976 | 1976 | 1996 | 1982 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 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 | 1977 | 1997 | 1997 | 1999 | 1999 | 2000 | 2000 | 2000 | 1999 | 1992 | 1989 | 1976 |
| Heating Degree Days (F) | 528. | 390. | 363. | 252. | 134. | 25. | 2. | 2. | 28. | 138. | 371. | 556. | 2789. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 20. | 78. | 157. | 274. | 271. | 176. | 58. | 1. | 0. | 1038. |