| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.6 | 61.4 | 68.9 | 77.4 | 86.9 | 97.5 | 102.8 | 100.4 | 93.3 | 80.9 | 64.6 | 55.0 | 78.6 |
| Highest Mean Max. Temperature (F) | 63.9 | 71.3 | 78.3 | 85.6 | 94.7 | 104.6 | 107.0 | 105.8 | 98.4 | 87.9 | 73.9 | 63.5 | 107.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 2000 | 1984 | 1994 | 1994 | 1995 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 45.0 | 51.6 | 59.2 | 67.2 | 77.7 | 92.1 | 99.1 | 97.0 | 86.9 | 73.6 | 58.2 | 47.4 | 45.0 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1998 | 1999 | 1976 | 1986 | 1972 | 1972 | 1990 | 1979 |
| Mean Temperature (F) | 41.8 | 47.3 | 54.2 | 61.5 | 70.8 | 80.3 | 86.3 | 84.4 | 76.4 | 63.8 | 49.9 | 41.8 | 63.2 |
| Highest Mean Temperature (F) | 47.7 | 54.7 | 59.8 | 68.4 | 77.6 | 86.8 | 90.5 | 89.5 | 80.5 | 69.3 | 55.4 | 46.8 | 90.5 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 2000 | 2000 | 1994 | 1996 | 1994 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 35.0 | 39.0 | 48.4 | 53.2 | 64.6 | 76.3 | 83.8 | 79.7 | 70.5 | 57.6 | 44.6 | 33.8 | 33.8 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1998 | 1987 | 1972 | 1972 | 1971 | 1972 | 1990 | 1990 |
| Mean Min. Temperature (F) | 28.9 | 33.2 | 39.4 | 45.6 | 54.7 | 63.1 | 69.8 | 68.3 | 59.5 | 46.6 | 35.1 | 28.5 | 47.7 |
| Highest Mean Min. Temperature (F) | 35.6 | 38.0 | 44.3 | 51.1 | 61.3 | 68.9 | 74.9 | 73.4 | 65.3 | 51.8 | 39.4 | 33.5 | 74.9 |
| Year Highest Occurred | 1995 | 1996 | 1990 | 2000 | 2000 | 1994 | 1996 | 1994 | 1997 | 1992 | 1981 | 1996 | 1996 |
| Lowest Mean Min. Temperature (F) | 23.4 | 26.3 | 33.7 | 39.2 | 49.1 | 58.7 | 65.4 | 61.0 | 52.2 | 39.3 | 30.7 | 20.1 | 20.1 |
| Year Lowest Occurred | 1975 | 1979 | 1977 | 1975 | 1971 | 1979 | 1979 | 1972 | 1972 | 1971 | 1975 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.29 | 1.10 | 1.20 | 0.52 | 0.40 | 0.22 | 0.55 | 0.75 | 0.63 | 0.74 | 0.79 | 0.58 | 8.77 |
| Highest Precipitation (in.) | 4.74 | 3.11 | 4.38 | 2.86 | 1.97 | 1.34 | 1.54 | 2.32 | 2.72 | 2.43 | 2.44 | 2.48 | 4.74 |
| Year Highest Occurred | 1993 | 1998 | 1978 | 1988 | 1977 | 1999 | 1999 | 1983 | 1997 | 1974 | 1982 | 1984 | 1993 |
| 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 | 1974 | 1997 | 1992 | 1974 | 2000 | 2000 | 1985 | 1993 | 1995 | 1992 | 1998 | 1976 |
| Heating Degree Days (F) | 720. | 496. | 352. | 176. | 49. | 2. | 0. | 0. | 5. | 126. | 456. | 721. | 3103. |
| Cooling Degree Days (F) | 0. | 0. | 16. | 71. | 229. | 461. | 660. | 599. | 347. | 87. | 1. | 0. | 2471. |