| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.7 | 61.9 | 67.4 | 75.6 | 85.1 | 96.2 | 101.5 | 99.4 | 91.6 | 79.4 | 65.3 | 56.8 | 78.1 |
| Highest Mean Max. Temperature (F) | 63.4 | 69.6 | 77.8 | 84.6 | 92.8 | 101.8 | 105.8 | 105.3 | 97.7 | 87.3 | 74.2 | 65.3 | 105.8 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1989 | 1997 | 1994 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 47.7 | 55.9 | 59.3 | 65.9 | 76.3 | 91.3 | 97.5 | 93.7 | 86.0 | 71.5 | 57.8 | 49.6 | 47.7 |
| Year Lowest Occurred | 1979 | 1994 | 1973 | 1983 | 1977 | 1998 | 1999 | 1983 | 1982 | 1972 | 1994 | 1987 | 1979 |
| Mean Temperature (F) | 42.7 | 47.3 | 52.6 | 59.8 | 68.6 | 78.2 | 84.0 | 82.5 | 74.9 | 62.8 | 50.3 | 42.7 | 62.2 |
| Highest Mean Temperature (F) | 46.6 | 53.8 | 59.6 | 67.8 | 74.5 | 83.0 | 87.7 | 87.4 | 78.7 | 69.8 | 56.0 | 48.5 | 87.7 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 36.8 | 42.7 | 47.6 | 52.4 | 62.4 | 72.2 | 80.5 | 78.5 | 70.1 | 57.5 | 43.9 | 37.0 | 36.8 |
| Year Lowest Occurred | 1974 | 1994 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1974 |
| Mean Min. Temperature (F) | 28.7 | 32.7 | 37.7 | 44.0 | 52.1 | 60.2 | 66.4 | 65.5 | 58.1 | 46.2 | 35.2 | 28.5 | 46.3 |
| Highest Mean Min. Temperature (F) | 34.5 | 37.9 | 42.2 | 50.9 | 56.9 | 64.9 | 69.6 | 70.9 | 62.3 | 52.2 | 37.8 | 33.2 | 70.9 |
| Year Highest Occurred | 1995 | 1995 | 1993 | 1989 | 1984 | 1981 | 1996 | 1971 | 1983 | 1988 | 1995 | 1977 | 1971 |
| Lowest Mean Min. Temperature (F) | 23.9 | 26.9 | 31.2 | 38.6 | 45.8 | 53.1 | 61.6 | 60.3 | 54.0 | 42.1 | 29.9 | 21.7 | 21.7 |
| Year Lowest Occurred | 1974 | 1974 | 1977 | 1975 | 1998 | 1998 | 1997 | 1975 | 1993 | 1998 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.47 | 0.58 | 0.78 | 0.28 | 0.27 | 0.14 | 0.49 | 0.42 | 0.42 | 0.29 | 0.29 | 0.39 | 4.82 |
| Highest Precipitation (in.) | 2.29 | 2.55 | 4.03 | 1.48 | 1.20 | 0.95 | 3.88 | 1.96 | 2.12 | 1.40 | 1.72 | 2.02 | 4.03 |
| Year Highest Occurred | 1995 | 1976 | 1992 | 1999 | 1987 | 1998 | 1984 | 1983 | 1997 | 1974 | 1984 | 1994 | 1992 |
| 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 | 1991 | 1985 | 1997 | 2000 | 2000 | 1996 | 2000 | 1993 | 2000 | 1999 | 2000 | 2000 | 1991 |
| Heating Degree Days (F) | 692. | 497. | 395. | 206. | 64. | 2. | 0. | 0. | 3. | 142. | 445. | 693. | 3139. |
| Cooling Degree Days (F) | 0. | 0. | 8. | 49. | 176. | 398. | 587. | 540. | 298. | 74. | 2. | 0. | 2132. |