| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.1 | 64.5 | 72.5 | 80.8 | 88.0 | 93.7 | 94.5 | 92.8 | 87.1 | 79.1 | 66.9 | 59.5 | 78.1 |
| Highest Mean Max. Temperature (F) | 64.9 | 73.5 | 81.1 | 87.1 | 96.2 | 100.9 | 100.5 | 97.5 | 95.1 | 86.1 | 75.1 | 65.6 | 100.9 |
| Year Highest Occurred | 2000 | 1976 | 1974 | 1972 | 1996 | 1998 | 1980 | 1983 | 1977 | 1979 | 1999 | 1977 | 1998 |
| Lowest Mean Max. Temperature (F) | 49.5 | 56.4 | 65.5 | 74.3 | 81.7 | 88.5 | 86.2 | 86.2 | 76.9 | 72.3 | 58.9 | 50.2 | 49.5 |
| Year Lowest Occurred | 1979 | 1997 | 1987 | 1997 | 1987 | 1986 | 1976 | 1971 | 1974 | 1984 | 2000 | 1983 | 1979 |
| Mean Temperature (F) | 44.3 | 49.7 | 56.8 | 64.7 | 73.1 | 79.7 | 81.4 | 80.0 | 74.2 | 65.2 | 53.2 | 45.8 | 64.0 |
| Highest Mean Temperature (F) | 50.0 | 56.7 | 62.4 | 69.9 | 80.9 | 85.8 | 86.3 | 83.8 | 80.3 | 68.6 | 59.4 | 49.9 | 86.3 |
| Year Highest Occurred | 1998 | 1999 | 1974 | 1972 | 1996 | 1998 | 1998 | 1999 | 1977 | 1998 | 1999 | 1981 | 1998 |
| Lowest Mean Temperature (F) | 38.0 | 43.7 | 51.0 | 58.8 | 68.2 | 76.0 | 75.2 | 74.9 | 65.9 | 58.7 | 46.5 | 38.1 | 38.0 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1973 | 1976 | 1979 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 30.4 | 34.8 | 41.1 | 48.6 | 58.2 | 65.6 | 68.2 | 67.1 | 61.2 | 51.3 | 39.4 | 32.0 | 49.8 |
| Highest Mean Min. Temperature (F) | 35.3 | 40.5 | 45.5 | 53.1 | 65.5 | 71.4 | 72.9 | 71.1 | 65.7 | 56.6 | 45.2 | 37.6 | 72.9 |
| Year Highest Occurred | 1998 | 1999 | 1985 | 2000 | 1996 | 1990 | 1998 | 1999 | 1998 | 1998 | 1998 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 24.6 | 29.8 | 34.5 | 39.9 | 52.3 | 61.5 | 64.2 | 62.5 | 54.9 | 43.2 | 32.7 | 25.6 | 24.6 |
| Year Lowest Occurred | 1977 | 1978 | 1980 | 1980 | 1976 | 1979 | 1976 | 1979 | 1974 | 1976 | 1976 | 1989 | 1977 |
| Mean Precipitation (in.) | 0.48 | 0.51 | 0.52 | 0.85 | 1.78 | 2.12 | 2.25 | 1.77 | 2.21 | 1.43 | 0.64 | 0.59 | 15.15 |
| Highest Precipitation (in.) | 1.81 | 1.85 | 2.47 | 3.52 | 5.87 | 7.11 | 9.65 | 5.51 | 7.94 | 3.97 | 2.10 | 3.07 | 9.65 |
| Year Highest Occurred | 1983 | 1992 | 1990 | 1976 | 1992 | 2000 | 1988 | 1974 | 1980 | 1986 | 1986 | 1991 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1999 | 1995 | 2000 | 1996 | 1990 | 1987 | 1973 | 2000 | 1992 | 1995 | 1996 | 1998 |
| Heating Degree Days (F) | 642. | 431. | 265. | 94. | 20. | 0. | 0. | 0. | 11. | 74. | 365. | 596. | 2498. |
| Cooling Degree Days (F) | 0. | 1. | 10. | 86. | 270. | 439. | 506. | 463. | 285. | 81. | 10. | 0. | 2151. |