| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.1 | 66.7 | 75.5 | 83.6 | 91.5 | 97.6 | 98.6 | 96.7 | 90.0 | 81.9 | 69.4 | 61.0 | 81.1 |
| Highest Mean Max. Temperature (F) | 69.2 | 76.6 | 83.1 | 92.5 | 100.1 | 105.6 | 105.2 | 102.1 | 98.6 | 88.6 | 76.5 | 66.6 | 105.6 |
| Year Highest Occurred | 1971 | 2000 | 1972 | 1972 | 1996 | 1998 | 1998 | 1985 | 1977 | 1979 | 1999 | 1977 | 1998 |
| Lowest Mean Max. Temperature (F) | 50.6 | 57.8 | 67.8 | 75.3 | 85.0 | 92.2 | 91.8 | 90.8 | 79.1 | 73.5 | 59.0 | 55.8 | 50.6 |
| Year Lowest Occurred | 1979 | 1973 | 1987 | 1997 | 1992 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1989 | 1979 |
| Mean Temperature (F) | 43.3 | 49.1 | 57.2 | 65.1 | 74.2 | 81.5 | 83.3 | 81.9 | 75.1 | 65.4 | 52.8 | 44.6 | 64.5 |
| Highest Mean Temperature (F) | 49.1 | 55.3 | 61.9 | 70.1 | 81.5 | 87.9 | 88.0 | 85.5 | 81.3 | 70.4 | 58.3 | 49.0 | 88.0 |
| Year Highest Occurred | 1999 | 1999 | 2000 | 1978 | 1996 | 1990 | 2000 | 1977 | 1977 | 1998 | 1981 | 1994 | 2000 |
| Lowest Mean Temperature (F) | 36.2 | 43.4 | 52.3 | 59.4 | 70.9 | 78.0 | 77.6 | 77.8 | 66.5 | 56.8 | 43.8 | 37.7 | 36.2 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1987 | 1979 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 26.5 | 31.4 | 38.8 | 46.6 | 56.9 | 65.4 | 68.0 | 67.1 | 60.1 | 48.8 | 36.2 | 28.1 | 47.8 |
| Highest Mean Min. Temperature (F) | 30.9 | 35.8 | 43.7 | 51.9 | 62.9 | 71.8 | 73.5 | 70.9 | 65.6 | 55.9 | 42.4 | 34.8 | 73.5 |
| Year Highest Occurred | 1993 | 1995 | 1985 | 1986 | 1996 | 1990 | 2000 | 2000 | 1998 | 1998 | 1998 | 1984 | 2000 |
| Lowest Mean Min. Temperature (F) | 20.9 | 25.0 | 33.0 | 41.1 | 51.5 | 60.6 | 63.3 | 63.7 | 53.9 | 40.1 | 27.0 | 19.4 | 19.4 |
| Year Lowest Occurred | 1977 | 1974 | 1996 | 1983 | 1975 | 1983 | 1972 | 1973 | 1975 | 1976 | 1972 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.51 | 0.57 | 0.27 | 0.55 | 1.80 | 1.43 | 1.31 | 1.65 | 2.55 | 1.39 | 0.53 | 0.67 | 13.23 |
| Highest Precipitation (in.) | 1.69 | 1.83 | 1.31 | 3.27 | 6.01 | 4.37 | 8.49 | 5.34 | 11.68 | 5.12 | 2.01 | 3.55 | 11.68 |
| Year Highest Occurred | 1992 | 1987 | 1999 | 1981 | 1992 | 1978 | 1991 | 1996 | 1980 | 1981 | 1984 | 1991 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1988 | 1999 | 1991 | 2000 | 1998 | 1993 | 1971 | 2000 | 2000 | 1996 | 1999 | 1996 | 1988 |
| Heating Degree Days (F) | 674. | 447. | 253. | 83. | 10. | 0. | 0. | 0. | 13. | 84. | 376. | 634. | 2574. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 87. | 295. | 496. | 567. | 524. | 314. | 95. | 10. | 0. | 2398. |