| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.9 | 63.8 | 68.6 | 75.9 | 83.9 | 92.2 | 96.9 | 95.8 | 90.0 | 80.5 | 66.1 | 57.2 | 77.3 |
| Highest Mean Max. Temperature (F) | 68.4 | 70.3 | 76.8 | 85.2 | 91.7 | 99.3 | 101.3 | 100.8 | 98.2 | 88.5 | 73.0 | 63.8 | 101.3 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1992 | 1981 | 1988 | 1984 | 1991 | 1991 | 1995 | 1977 | 1988 |
| Lowest Mean Max. Temperature (F) | 48.9 | 58.4 | 60.7 | 66.8 | 73.9 | 85.9 | 91.3 | 87.0 | 82.9 | 75.6 | 59.7 | 49.5 | 48.9 |
| Year Lowest Occurred | 1972 | 1979 | 1973 | 1975 | 1977 | 1998 | 1983 | 1976 | 1985 | 1972 | 1994 | 1972 | 1972 |
| Mean Temperature (F) | 47.8 | 53.4 | 57.2 | 62.7 | 70.3 | 78.1 | 83.4 | 82.3 | 77.4 | 68.6 | 55.7 | 47.6 | 65.4 |
| Highest Mean Temperature (F) | 55.6 | 58.4 | 62.6 | 68.9 | 76.4 | 85.3 | 87.6 | 86.3 | 83.9 | 75.3 | 60.5 | 53.3 | 87.6 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1989 | 1992 | 1981 | 1988 | 1984 | 1991 | 1991 | 1995 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 40.8 | 49.0 | 51.8 | 55.9 | 62.5 | 73.6 | 77.3 | 76.0 | 71.5 | 64.6 | 49.9 | 42.3 | 40.8 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1984 | 1994 | 1972 | 1972 |
| Mean Min. Temperature (F) | 38.6 | 42.9 | 45.7 | 49.4 | 56.6 | 63.9 | 69.8 | 68.7 | 64.7 | 56.6 | 45.3 | 38.0 | 53.4 |
| Highest Mean Min. Temperature (F) | 44.4 | 46.8 | 51.1 | 55.4 | 61.4 | 71.3 | 73.8 | 71.7 | 69.6 | 62.0 | 49.5 | 42.9 | 73.8 |
| Year Highest Occurred | 1995 | 1995 | 1986 | 1990 | 1997 | 1981 | 1988 | 1986 | 1991 | 1991 | 1976 | 1977 | 1988 |
| Lowest Mean Min. Temperature (F) | 32.6 | 38.4 | 40.2 | 44.9 | 49.9 | 59.2 | 63.3 | 64.2 | 58.8 | 51.5 | 40.1 | 33.0 | 32.6 |
| Year Lowest Occurred | 1972 | 1990 | 1985 | 1976 | 1971 | 1980 | 1987 | 1977 | 1986 | 1984 | 1994 | 1990 | 1972 |
| Mean Precipitation (in.) | 1.16 | 1.13 | 1.40 | 0.51 | 0.21 | 0.04 | 0.00 | 0.07 | 0.26 | 0.20 | 0.63 | 0.71 | 6.32 |
| Highest Precipitation (in.) | 3.61 | 5.37 | 3.73 | 1.92 | 1.94 | 0.42 | 0.05 | 1.47 | 2.70 | 0.95 | 2.72 | 2.32 | 5.37 |
| Year Highest Occurred | 1993 | 1978 | 1980 | 1982 | 1980 | 1985 | 1984 | 1983 | 1976 | 1974 | 1987 | 1988 | 1978 |
| 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 | 1990 | 1990 | 1993 | 1993 | 1997 | 1997 | 2000 | 2000 | 2000 | 1999 | 1992 | 1989 | 1990 |
| Heating Degree Days (F) | 534. | 327. | 259. | 148. | 41. | 2. | 0. | 0. | 3. | 51. | 286. | 539. | 2190. |
| Cooling Degree Days (F) | 0. | 0. | 16. | 77. | 203. | 394. | 568. | 535. | 373. | 161. | 7. | 0. | 2334. |