| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.5 | 66.3 | 73.7 | 81.4 | 89.9 | 98.8 | 98.7 | 95.7 | 90.5 | 81.4 | 69.5 | 60.5 | 80.6 |
| Highest Mean Max. Temperature (F) | 68.5 | 73.6 | 80.5 | 88.3 | 96.6 | 105.1 | 103.1 | 101.7 | 97.1 | 87.3 | 79.9 | 70.8 | 105.1 |
| Year Highest Occurred | 2000 | 1999 | 1989 | 1989 | 2000 | 1980 | 1980 | 1982 | 2000 | 1979 | 1981 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 52.9 | 58.0 | 67.6 | 72.5 | 84.5 | 93.7 | 93.0 | 91.1 | 83.4 | 73.9 | 62.4 | 54.6 | 52.9 |
| Year Lowest Occurred | 1979 | 1973 | 1977 | 1983 | 1976 | 1972 | 1976 | 1990 | 1978 | 1984 | 2000 | 1992 | 1979 |
| Mean Temperature (F) | 44.9 | 50.0 | 56.9 | 64.2 | 73.0 | 81.8 | 83.6 | 81.3 | 75.4 | 64.9 | 52.9 | 44.7 | 64.5 |
| Highest Mean Temperature (F) | 51.1 | 56.2 | 61.9 | 70.4 | 79.7 | 88.0 | 86.9 | 86.2 | 80.9 | 69.4 | 61.2 | 50.8 | 88.0 |
| Year Highest Occurred | 2000 | 1996 | 1989 | 2000 | 2000 | 1990 | 2000 | 1994 | 1998 | 1987 | 1999 | 1981 | 1990 |
| Lowest Mean Temperature (F) | 39.6 | 44.1 | 51.8 | 56.9 | 68.4 | 77.4 | 79.2 | 78.1 | 70.3 | 58.1 | 46.7 | 40.1 | 39.6 |
| Year Lowest Occurred | 1979 | 1973 | 1977 | 1983 | 1975 | 1979 | 1975 | 1971 | 1974 | 1976 | 1976 | 1976 | 1979 |
| Mean Min. Temperature (F) | 29.2 | 33.6 | 40.0 | 46.9 | 56.0 | 64.7 | 68.5 | 66.8 | 60.3 | 48.3 | 36.3 | 28.8 | 48.3 |
| Highest Mean Min. Temperature (F) | 38.0 | 41.5 | 44.7 | 53.3 | 62.8 | 71.7 | 72.0 | 71.7 | 66.6 | 53.0 | 43.3 | 37.0 | 72.0 |
| Year Highest Occurred | 1993 | 1995 | 1999 | 2000 | 2000 | 1994 | 2000 | 1994 | 1998 | 1998 | 1999 | 1994 | 2000 |
| Lowest Mean Min. Temperature (F) | 24.7 | 24.5 | 34.7 | 39.5 | 49.5 | 58.9 | 65.0 | 62.1 | 54.6 | 40.7 | 29.2 | 22.7 | 22.7 |
| Year Lowest Occurred | 1973 | 1974 | 1980 | 1975 | 1975 | 1988 | 1979 | 1973 | 1979 | 1976 | 1979 | 1989 | 1989 |
| Mean Precipitation (in.) | 0.55 | 0.42 | 0.24 | 0.27 | 0.45 | 0.78 | 1.34 | 1.73 | 1.83 | 0.96 | 0.47 | 0.67 | 9.71 |
| Highest Precipitation (in.) | 1.74 | 2.29 | 0.78 | 1.60 | 2.46 | 2.81 | 2.68 | 3.85 | 9.52 | 2.58 | 1.56 | 3.38 | 9.52 |
| Year Highest Occurred | 1992 | 1973 | 1992 | 1983 | 1992 | 2000 | 1986 | 1991 | 1974 | 1977 | 1990 | 1991 | 1974 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1996 | 1999 | 2000 | 1990 | 1992 | 1973 | 2000 | 1996 | 1999 | 2000 | 2000 |
| Heating Degree Days (F) | 626. | 423. | 268. | 120. | 22. | 0. | 0. | 0. | 7. | 88. | 372. | 631. | 2557. |
| Cooling Degree Days (F) | 0. | 1. | 15. | 95. | 268. | 503. | 576. | 503. | 318. | 84. | 9. | 0. | 2372. |