| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.3 | 41.4 | 47.4 | 56.2 | 65.4 | 76.5 | 82.3 | 79.5 | 71.5 | 61.0 | 46.4 | 39.0 | 58.7 |
| Highest Mean Max. Temperature (F) | 49.4 | 52.6 | 55.2 | 67.3 | 76.4 | 83.5 | 87.3 | 87.1 | 78.3 | 66.3 | 64.0 | 51.7 | 87.3 |
| Year Highest Occurred | 1986 | 2000 | 1997 | 2000 | 2000 | 1971 | 2000 | 2000 | 2000 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 24.8 | 30.0 | 39.9 | 46.9 | 56.2 | 69.6 | 77.8 | 75.4 | 66.7 | 49.0 | 36.6 | 24.6 | 24.6 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1982 | 1990 | 1992 | 1971 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 24.1 | 27.9 | 33.9 | 42.3 | 51.8 | 62.1 | 67.6 | 65.5 | 56.8 | 46.2 | 32.8 | 25.7 | 44.7 |
| Highest Mean Temperature (F) | 35.6 | 37.9 | 41.2 | 49.4 | 59.8 | 65.9 | 72.4 | 72.2 | 62.7 | 50.4 | 47.1 | 36.3 | 72.4 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 2000 | 2000 | 1988 | 2000 | 2000 | 2000 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 14.0 | 17.9 | 28.7 | 36.2 | 45.5 | 57.2 | 64.1 | 62.0 | 52.7 | 38.8 | 24.4 | 14.8 | 14.0 |
| Year Lowest Occurred | 1979 | 1978 | 1980 | 1983 | 1995 | 1982 | 1992 | 1992 | 1993 | 1984 | 1979 | 1983 | 1979 |
| Mean Min. Temperature (F) | 10.8 | 14.4 | 20.3 | 28.4 | 38.2 | 47.6 | 52.9 | 51.4 | 42.1 | 31.3 | 19.1 | 12.4 | 30.7 |
| Highest Mean Min. Temperature (F) | 21.7 | 23.2 | 28.3 | 34.0 | 43.2 | 53.3 | 57.5 | 57.2 | 47.0 | 36.4 | 30.2 | 21.0 | 57.5 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 2000 | 1988 | 2000 | 2000 | 2000 | 2000 | 1999 | 1999 | 2000 |
| Lowest Mean Min. Temperature (F) | 2.6 | 4.1 | 14.5 | 22.0 | 31.1 | 44.2 | 48.6 | 48.3 | 37.2 | 26.0 | 10.7 | 4.9 | 2.6 |
| Year Lowest Occurred | 1978 | 1978 | 1996 | 1978 | 1978 | 1998 | 1995 | 1990 | 1974 | 1977 | 1979 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.25 | 0.19 | 0.76 | 1.40 | 2.30 | 2.13 | 2.81 | 2.29 | 1.00 | 0.68 | 0.45 | 0.27 | 14.53 |
| Highest Precipitation (in.) | 0.67 | 1.29 | 2.80 | 8.68 | 6.63 | 4.13 | 7.23 | 4.99 | 4.00 | 2.64 | 1.22 | 1.43 | 8.68 |
| Year Highest Occurred | 1987 | 1987 | 2000 | 1999 | 1987 | 1992 | 1998 | 1994 | 1976 | 1994 | 1991 | 1979 | 1999 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.06 | 0.66 | 0.36 | 0.90 | 0.72 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1995 | 1992 | 1986 | 1982 | 1974 | 1976 | 1995 | 1990 | 1983 | 1992 | 1989 | 1980 | 1995 |
| Heating Degree Days (F) | 1271. | 1039. | 965. | 681. | 415. | 133. | 35. | 68. | 255. | 584. | 968. | 1218. | 7632. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 45. | 116. | 83. | 10. | 0. | 0. | 0. | 259. |