| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.2 | 44.3 | 54.3 | 62.7 | 72.4 | 83.1 | 88.5 | 86.0 | 78.0 | 65.8 | 50.3 | 40.3 | 63.6 |
| Highest Mean Max. Temperature (F) | 51.1 | 55.4 | 61.9 | 71.0 | 77.9 | 90.2 | 94.2 | 91.1 | 85.0 | 74.1 | 62.1 | 52.3 | 94.2 |
| Year Highest Occurred | 1981 | 1995 | 1994 | 2000 | 2000 | 1994 | 1994 | 1994 | 1979 | 1999 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 26.5 | 33.7 | 46.7 | 54.0 | 67.2 | 77.5 | 82.3 | 81.9 | 70.8 | 57.7 | 41.9 | 31.1 | 26.5 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1980 | 1975 | 1987 | 1987 | 1986 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 23.4 | 30.1 | 39.3 | 46.5 | 55.6 | 64.7 | 70.7 | 68.7 | 60.5 | 49.2 | 36.1 | 26.7 | 47.6 |
| Highest Mean Temperature (F) | 34.7 | 39.8 | 45.4 | 52.0 | 60.2 | 70.6 | 74.2 | 73.3 | 64.6 | 53.7 | 40.7 | 35.9 | 74.2 |
| Year Highest Occurred | 1981 | 1995 | 1986 | 2000 | 2000 | 1994 | 1994 | 1994 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 13.6 | 18.8 | 34.3 | 39.1 | 51.6 | 59.9 | 66.2 | 65.3 | 55.5 | 44.6 | 31.3 | 17.4 | 13.6 |
| Year Lowest Occurred | 1989 | 1979 | 1977 | 1975 | 1975 | 1975 | 1992 | 1987 | 1986 | 1984 | 1993 | 1990 | 1989 |
| Mean Min. Temperature (F) | 9.5 | 15.8 | 24.3 | 30.2 | 38.8 | 46.3 | 52.8 | 51.4 | 42.9 | 32.6 | 21.9 | 13.0 | 31.6 |
| Highest Mean Min. Temperature (F) | 19.2 | 24.2 | 29.1 | 34.2 | 42.4 | 51.0 | 55.7 | 55.5 | 48.8 | 39.2 | 27.6 | 19.6 | 55.7 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1985 | 2000 | 1994 | 1998 | 1994 | 1990 | 1972 | 1978 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | -2.3 | 4.0 | 17.3 | 24.2 | 34.5 | 42.2 | 47.5 | 47.4 | 37.8 | 27.8 | 15.7 | 2.2 | -2.3 |
| Year Lowest Occurred | 1989 | 1979 | 1977 | 1975 | 1975 | 1975 | 1992 | 1975 | 1971 | 1999 | 2000 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.64 | 0.57 | 0.68 | 0.52 | 0.65 | 0.41 | 0.81 | 0.97 | 0.86 | 0.90 | 0.52 | 0.36 | 7.89 |
| Highest Precipitation (in.) | 2.32 | 2.04 | 1.93 | 1.96 | 1.85 | 1.61 | 2.50 | 2.77 | 2.63 | 2.89 | 2.68 | 1.18 | 2.89 |
| Year Highest Occurred | 1993 | 1998 | 1981 | 1988 | 1993 | 1997 | 1987 | 1997 | 1980 | 2000 | 1978 | 1984 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1988 | 1999 | 1982 | 1974 | 1978 | 1979 | 1996 | 1979 | 1999 | 1999 | 1998 | 1972 |
| Heating Degree Days (F) | 1292. | 979. | 797. | 556. | 299. | 88. | 9. | 21. | 162. | 489. | 868. | 1188. | 6748. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 77. | 185. | 135. | 26. | 0. | 0. | 0. | 429. |