| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 67.4 | 72.9 | 78.5 | 86.4 | 94.5 | 104.3 | 108.0 | 106.4 | 100.7 | 89.2 | 75.7 | 66.9 | 87.6 |
| Highest Mean Max. Temperature (F) | 73.2 | 78.6 | 88.7 | 94.0 | 101.6 | 109.5 | 111.3 | 109.9 | 106.6 | 94.9 | 81.8 | 74.5 | 111.3 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1981 | 1980 | 1981 | 1979 | 1999 | 1995 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 60.1 | 67.5 | 70.7 | 77.8 | 88.0 | 99.4 | 104.0 | 102.8 | 93.3 | 81.9 | 69.2 | 60.6 | 60.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1984 | 1983 | 1985 | 1972 | 1994 | 1992 | 1979 |
| Mean Temperature (F) | 55.3 | 59.8 | 65.0 | 71.9 | 80.0 | 89.2 | 94.4 | 93.1 | 87.2 | 75.5 | 62.5 | 54.5 | 74.0 |
| Highest Mean Temperature (F) | 59.7 | 64.8 | 71.2 | 78.9 | 87.1 | 93.8 | 97.6 | 97.4 | 90.9 | 80.9 | 67.9 | 59.3 | 97.6 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1994 | 1996 | 1995 | 1995 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 49.1 | 55.9 | 58.7 | 63.8 | 72.3 | 85.0 | 91.9 | 88.5 | 80.5 | 70.1 | 57.6 | 49.7 | 49.1 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1998 | 1986 | 1979 | 1985 | 1971 | 1994 | 1978 | 1979 |
| Mean Min. Temperature (F) | 43.1 | 46.7 | 51.4 | 57.4 | 65.5 | 74.1 | 80.7 | 79.8 | 73.6 | 61.7 | 49.2 | 42.1 | 60.4 |
| Highest Mean Min. Temperature (F) | 48.9 | 52.5 | 55.6 | 63.8 | 73.2 | 79.3 | 85.6 | 85.2 | 78.9 | 67.2 | 54.0 | 47.0 | 85.6 |
| Year Highest Occurred | 1980 | 1996 | 1989 | 1989 | 1997 | 1994 | 1996 | 1998 | 1997 | 1988 | 1995 | 1983 | 1996 |
| Lowest Mean Min. Temperature (F) | 36.8 | 41.1 | 43.4 | 49.9 | 56.5 | 69.4 | 76.1 | 72.8 | 67.3 | 56.3 | 45.1 | 36.6 | 36.6 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1977 | 1979 | 1979 | 1979 | 1973 | 1971 | 1975 | 1978 | 1978 |
| Mean Precipitation (in.) | 0.52 | 0.52 | 0.38 | 0.10 | 0.08 | 0.03 | 0.19 | 0.92 | 0.58 | 0.30 | 0.26 | 0.49 | 4.37 |
| Highest Precipitation (in.) | 2.87 | 2.25 | 2.20 | 1.08 | 0.59 | 0.42 | 1.19 | 5.45 | 2.51 | 1.67 | 1.67 | 3.34 | 5.45 |
| Year Highest Occurred | 1993 | 1980 | 1992 | 1999 | 1992 | 1987 | 1984 | 1988 | 1996 | 1978 | 1985 | 1992 | 1988 |
| 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 | 2000 | 1997 | 1999 | 2000 | 2000 | 2000 | 2000 | 1993 | 2000 | 1999 | 2000 | 2000 | 2000 |
| Heating Degree Days (F) | 309. | 162. | 106. | 33. | 5. | 0. | 0. | 0. | 0. | 9. | 128. | 330. | 1082. |
| Cooling Degree Days (F) | 6. | 16. | 105. | 241. | 470. | 727. | 909. | 870. | 665. | 333. | 52. | 5. | 4399. |