| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.1 | 59.5 | 67.2 | 75.1 | 83.4 | 90.4 | 91.7 | 89.9 | 83.9 | 75.7 | 63.2 | 55.3 | 74.0 |
| Highest Mean Max. Temperature (F) | 61.6 | 68.3 | 74.5 | 81.6 | 92.5 | 99.1 | 98.8 | 96.2 | 91.4 | 82.9 | 71.5 | 61.2 | 99.1 |
| Year Highest Occurred | 1989 | 1976 | 1972 | 1978 | 1998 | 1990 | 1998 | 1983 | 1998 | 1979 | 1999 | 1977 | 1990 |
| Lowest Mean Max. Temperature (F) | 43.5 | 49.5 | 53.8 | 68.0 | 79.8 | 81.0 | 84.3 | 82.5 | 74.0 | 70.4 | 54.3 | 46.9 | 43.5 |
| Year Lowest Occurred | 1982 | 1978 | 1987 | 1997 | 1982 | 1986 | 1976 | 1971 | 1974 | 1984 | 2000 | 1983 | 1982 |
| Mean Temperature (F) | 39.1 | 44.4 | 50.9 | 59.0 | 68.2 | 75.8 | 78.2 | 76.6 | 70.4 | 60.4 | 48.1 | 40.8 | 59.3 |
| Highest Mean Temperature (F) | 46.6 | 51.1 | 58.3 | 63.7 | 75.1 | 82.9 | 83.3 | 80.9 | 76.5 | 63.6 | 53.8 | 45.6 | 83.3 |
| Year Highest Occurred | 1999 | 1976 | 1986 | 1978 | 1996 | 1990 | 1998 | 1999 | 1998 | 1979 | 1999 | 1994 | 1998 |
| Lowest Mean Temperature (F) | 32.3 | 37.7 | 41.3 | 52.4 | 64.8 | 70.5 | 73.4 | 71.5 | 62.6 | 54.2 | 41.8 | 33.9 | 32.3 |
| Year Lowest Occurred | 1982 | 1978 | 1987 | 1973 | 1983 | 1986 | 1976 | 1974 | 1974 | 1976 | 1972 | 1983 | 1982 |
| Mean Min. Temperature (F) | 25.1 | 29.2 | 34.6 | 42.9 | 52.9 | 61.2 | 64.6 | 63.3 | 56.8 | 45.0 | 32.9 | 26.3 | 44.6 |
| Highest Mean Min. Temperature (F) | 31.8 | 37.0 | 43.3 | 48.2 | 57.9 | 66.6 | 67.7 | 67.1 | 62.7 | 50.5 | 39.6 | 32.5 | 67.7 |
| Year Highest Occurred | 1999 | 1987 | 1986 | 1981 | 1996 | 1990 | 1998 | 1999 | 1983 | 1983 | 1983 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 19.4 | 22.0 | 28.7 | 36.3 | 47.4 | 55.4 | 62.0 | 58.0 | 51.1 | 36.6 | 27.4 | 20.7 | 19.4 |
| Year Lowest Occurred | 1977 | 1974 | 1987 | 1973 | 1983 | 1983 | 1985 | 1974 | 1974 | 1976 | 1976 | 1989 | 1977 |
| Mean Precipitation (in.) | 0.49 | 0.72 | 0.60 | 1.15 | 2.38 | 2.55 | 2.34 | 2.75 | 2.67 | 1.24 | 0.75 | 0.77 | 18.41 |
| Highest Precipitation (in.) | 1.70 | 2.88 | 3.87 | 4.93 | 5.80 | 6.50 | 6.89 | 10.12 | 8.62 | 4.99 | 2.55 | 3.23 | 10.12 |
| Year Highest Occurred | 1991 | 1973 | 1999 | 1973 | 1992 | 2000 | 1982 | 1974 | 1995 | 1985 | 1986 | 1987 | 1974 |
| 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 | 1989 | 1999 | 1988 | 1991 | 1998 | 1994 | 1980 | 1982 | 2000 | 1995 | 1999 | 2000 | 1989 |
| Heating Degree Days (F) | 802. | 578. | 442. | 208. | 54. | 8. | 0. | 2. | 36. | 168. | 508. | 750. | 3556. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 28. | 152. | 332. | 407. | 361. | 197. | 25. | 0. | 0. | 1506. |