| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 51.2 | 56.4 | 63.2 | 70.3 | 79.1 | 87.8 | 89.2 | 87.0 | 80.4 | 71.3 | 59.3 | 51.4 | 70.6 |
| Highest Mean Max. Temperature (F) | 60.3 | 66.3 | 71.6 | 75.6 | 89.8 | 94.8 | 96.2 | 93.2 | 88.5 | 76.2 | 69.4 | 59.1 | 96.2 |
| Year Highest Occurred | 1999 | 2000 | 1972 | 1981 | 1996 | 1990 | 1980 | 2000 | 2000 | 1979 | 1999 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 43.5 | 48.9 | 57.3 | 61.8 | 72.5 | 82.5 | 82.6 | 81.6 | 76.1 | 63.1 | 49.2 | 43.1 | 43.1 |
| Year Lowest Occurred | 1979 | 1978 | 1973 | 1983 | 1992 | 1987 | 1991 | 1984 | 1991 | 1984 | 1972 | 1997 | 1997 |
| Mean Temperature (F) | 36.5 | 40.3 | 46.2 | 53.1 | 62.4 | 70.9 | 74.0 | 72.3 | 65.5 | 55.6 | 43.8 | 36.7 | 54.8 |
| Highest Mean Temperature (F) | 43.5 | 46.6 | 51.3 | 58.0 | 71.2 | 77.0 | 78.5 | 75.5 | 70.1 | 58.6 | 50.4 | 44.6 | 78.5 |
| Year Highest Occurred | 1999 | 2000 | 1972 | 1992 | 1996 | 1990 | 1980 | 2000 | 1983 | 1992 | 1995 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 31.7 | 35.1 | 41.8 | 46.0 | 57.7 | 66.6 | 70.6 | 69.4 | 61.8 | 49.9 | 36.5 | 32.1 | 31.7 |
| Year Lowest Occurred | 1979 | 1997 | 1987 | 1973 | 1983 | 1979 | 1975 | 1990 | 1975 | 1976 | 1972 | 1997 | 1979 |
| Mean Min. Temperature (F) | 21.7 | 24.1 | 29.1 | 35.9 | 45.6 | 54.0 | 58.7 | 57.6 | 50.5 | 39.8 | 28.3 | 22.0 | 38.9 |
| Highest Mean Min. Temperature (F) | 26.6 | 29.6 | 33.2 | 41.0 | 52.5 | 59.1 | 61.5 | 60.7 | 55.0 | 44.4 | 35.1 | 30.6 | 61.5 |
| Year Highest Occurred | 1999 | 1995 | 1986 | 1992 | 1996 | 1990 | 1993 | 1977 | 1983 | 1983 | 1978 | 1977 | 1993 |
| Lowest Mean Min. Temperature (F) | 17.1 | 19.9 | 24.7 | 30.0 | 39.0 | 50.1 | 55.7 | 53.6 | 46.3 | 33.7 | 21.4 | 14.2 | 14.2 |
| Year Lowest Occurred | 1976 | 1994 | 1980 | 1973 | 1975 | 1983 | 1987 | 1975 | 1975 | 1975 | 1975 | 1989 | 1989 |
| Mean Precipitation (in.) | 0.47 | 0.44 | 0.60 | 0.84 | 1.30 | 1.63 | 1.93 | 2.15 | 1.94 | 1.33 | 0.63 | 0.68 | 13.94 |
| Highest Precipitation (in.) | 1.40 | 1.77 | 2.74 | 3.66 | 6.69 | 4.14 | 6.15 | 4.42 | 5.53 | 5.26 | 3.42 | 3.30 | 6.69 |
| Year Highest Occurred | 1997 | 1986 | 2000 | 1997 | 1992 | 1997 | 1991 | 1984 | 1982 | 1998 | 1986 | 1997 | 1992 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.10 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1980 | 1991 | 2000 | 1994 | 1987 | 1983 | 1992 | 1995 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 885. | 693. | 585. | 365. | 146. | 20. | 1. | 5. | 72. | 297. | 637. | 878. | 4584. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 63. | 198. | 279. | 232. | 85. | 3. | 0. | 0. | 868. |