| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 49.7 | 54.1 | 60.0 | 68.3 | 77.2 | 88.3 | 93.4 | 91.1 | 83.6 | 72.0 | 58.5 | 50.9 | 70.6 |
| Highest Mean Max. Temperature (F) | 58.8 | 63.7 | 70.9 | 77.1 | 85.3 | 93.5 | 99.1 | 95.6 | 87.6 | 79.7 | 66.9 | 61.3 | 99.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 2000 | 1997 | 1974 | 1972 | 1996 | 1979 | 1999 | 1999 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 40.2 | 46.7 | 50.7 | 59.3 | 69.6 | 82.2 | 89.3 | 88.0 | 75.9 | 63.9 | 51.4 | 42.3 | 40.2 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1977 | 1995 | 1999 | 1979 | 1986 | 1984 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 33.7 | 38.2 | 43.0 | 49.7 | 57.9 | 67.4 | 73.4 | 72.2 | 64.9 | 53.4 | 41.3 | 34.7 | 52.5 |
| Highest Mean Temperature (F) | 40.8 | 45.3 | 48.8 | 56.1 | 63.7 | 72.0 | 77.5 | 75.8 | 67.7 | 59.0 | 47.7 | 41.9 | 77.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 2000 | 1997 | 1994 | 1996 | 1994 | 1995 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 26.4 | 31.9 | 36.9 | 42.1 | 52.3 | 62.6 | 70.1 | 67.9 | 59.0 | 48.3 | 35.8 | 27.8 | 26.4 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1998 | 1987 | 1979 | 1986 | 1981 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 17.7 | 22.3 | 26.0 | 31.0 | 38.5 | 46.5 | 53.4 | 53.2 | 46.2 | 34.8 | 24.1 | 18.4 | 34.3 |
| Highest Mean Min. Temperature (F) | 25.3 | 28.2 | 31.7 | 36.1 | 43.5 | 51.5 | 58.7 | 59.2 | 52.1 | 39.4 | 28.4 | 25.2 | 59.2 |
| Year Highest Occurred | 1995 | 1982 | 1978 | 1981 | 1992 | 1994 | 1996 | 2000 | 1997 | 1974 | 1999 | 1981 | 2000 |
| Lowest Mean Min. Temperature (F) | 9.3 | 14.3 | 17.7 | 25.0 | 33.6 | 41.2 | 49.3 | 47.8 | 42.1 | 29.3 | 20.2 | 9.7 | 9.3 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1975 | 1982 | 1982 | 1978 | 1986 | 1981 | 2000 | 1990 | 1973 |
| Mean Precipitation (in.) | 1.82 | 1.91 | 2.05 | 0.98 | 0.89 | 0.58 | 1.15 | 1.65 | 1.15 | 1.27 | 1.21 | 1.08 | 15.74 |
| Highest Precipitation (in.) | 7.84 | 7.38 | 5.90 | 4.61 | 2.42 | 2.22 | 4.42 | 4.21 | 4.14 | 3.13 | 3.98 | 3.41 | 7.84 |
| Year Highest Occurred | 1993 | 1980 | 1978 | 1988 | 1977 | 2000 | 1985 | 1987 | 1997 | 1972 | 1982 | 1996 | 1993 |
| 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 | 1976 | 1972 | 1972 | 1993 | 1972 | 1978 | 1993 | 1985 | 1979 | 1999 | 1980 | 1999 | 1976 |
| Heating Degree Days (F) | 972. | 750. | 683. | 464. | 247. | 51. | 2. | 6. | 71. | 364. | 711. | 940. | 5261. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 25. | 123. | 263. | 228. | 67. | 4. | 0. | 0. | 712. |