| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.9 | 66.4 | 75.0 | 83.1 | 91.2 | 97.8 | 98.5 | 96.6 | 90.2 | 81.6 | 69.7 | 61.2 | 80.9 |
| Highest Mean Max. Temperature (F) | 67.9 | 75.3 | 82.2 | 89.8 | 99.3 | 104.3 | 103.2 | 102.4 | 98.4 | 88.3 | 78.6 | 67.8 | 104.3 |
| Year Highest Occurred | 1999 | 2000 | 1974 | 1972 | 1996 | 1990 | 2000 | 1977 | 1977 | 1979 | 1999 | 1981 | 1990 |
| Lowest Mean Max. Temperature (F) | 50.2 | 57.2 | 67.7 | 75.1 | 84.8 | 92.7 | 92.9 | 90.1 | 79.7 | 74.7 | 59.6 | 54.7 | 50.2 |
| Year Lowest Occurred | 1979 | 1973 | 1987 | 1997 | 1976 | 1987 | 1975 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Temperature (F) | 44.0 | 49.1 | 56.4 | 64.6 | 73.8 | 81.6 | 83.7 | 82.1 | 75.3 | 65.0 | 52.7 | 44.9 | 64.4 |
| Highest Mean Temperature (F) | 49.3 | 56.4 | 62.0 | 69.9 | 80.8 | 87.7 | 87.4 | 86.9 | 81.1 | 68.3 | 58.9 | 49.2 | 87.7 |
| Year Highest Occurred | 2000 | 2000 | 1974 | 1986 | 2000 | 1990 | 2000 | 1977 | 1977 | 1998 | 1999 | 1994 | 1990 |
| Lowest Mean Temperature (F) | 38.0 | 42.8 | 49.9 | 59.1 | 68.4 | 77.7 | 78.9 | 77.3 | 67.9 | 58.4 | 45.0 | 38.9 | 38.0 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1987 | 1976 | 1979 | 1975 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 28.1 | 31.7 | 37.7 | 46.1 | 56.3 | 65.3 | 68.8 | 67.5 | 60.4 | 48.4 | 35.6 | 28.6 | 47.9 |
| Highest Mean Min. Temperature (F) | 32.6 | 37.6 | 42.4 | 50.7 | 62.9 | 71.0 | 72.4 | 71.4 | 65.8 | 53.3 | 42.3 | 33.8 | 72.4 |
| Year Highest Occurred | 1995 | 1995 | 1994 | 1986 | 2000 | 1990 | 1998 | 1977 | 1998 | 1983 | 1978 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 23.4 | 27.3 | 32.1 | 41.1 | 50.4 | 61.2 | 65.0 | 64.6 | 55.8 | 42.1 | 30.1 | 23.0 | 23.0 |
| Year Lowest Occurred | 1988 | 1985 | 1987 | 1973 | 1975 | 1979 | 1975 | 1979 | 1984 | 1976 | 1979 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.47 | 0.45 | 0.34 | 0.47 | 1.25 | 1.24 | 1.35 | 1.62 | 2.24 | 1.10 | 0.47 | 0.61 | 11.61 |
| Highest Precipitation (in.) | 1.66 | 2.05 | 2.03 | 3.62 | 7.43 | 4.09 | 4.04 | 5.39 | 7.76 | 4.67 | 1.88 | 3.80 | 7.76 |
| Year Highest Occurred | 1991 | 1992 | 1990 | 1981 | 1992 | 1984 | 1975 | 1987 | 1978 | 1974 | 1978 | 1986 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.01 | 0.09 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1999 | 1980 | 1999 | 2000 | 1998 | 1995 | 1999 | 2000 | 1996 | 1999 | 1996 | 1998 |
| Heating Degree Days (F) | 651. | 447. | 278. | 98. | 15. | 0. | 0. | 0. | 9. | 76. | 380. | 623. | 2577. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 86. | 284. | 497. | 578. | 530. | 318. | 77. | 9. | 0. | 2389. |