| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.6 | 57.9 | 65.1 | 73.3 | 81.9 | 92.2 | 95.4 | 92.2 | 86.3 | 74.7 | 61.6 | 51.5 | 73.6 |
| Highest Mean Max. Temperature (F) | 60.3 | 66.9 | 74.3 | 83.4 | 89.5 | 98.4 | 98.6 | 96.6 | 91.1 | 81.7 | 71.2 | 59.0 | 98.6 |
| Year Highest Occurred | 1996 | 1995 | 1997 | 1989 | 1984 | 1974 | 1996 | 1994 | 1979 | 1988 | 1995 | 1996 | 1996 |
| Lowest Mean Max. Temperature (F) | 40.4 | 51.0 | 56.7 | 64.7 | 76.8 | 87.4 | 88.7 | 86.4 | 81.9 | 65.5 | 51.4 | 43.1 | 40.4 |
| Year Lowest Occurred | 1977 | 1973 | 1973 | 1975 | 1980 | 1972 | 1999 | 1999 | 1976 | 1984 | 2000 | 1978 | 1977 |
| Mean Temperature (F) | 35.8 | 41.6 | 47.7 | 54.6 | 62.6 | 71.8 | 77.6 | 75.6 | 68.6 | 56.5 | 44.6 | 36.2 | 56.1 |
| Highest Mean Temperature (F) | 41.8 | 48.6 | 53.5 | 62.5 | 68.8 | 76.5 | 81.6 | 80.3 | 73.5 | 62.7 | 51.0 | 41.8 | 81.6 |
| Year Highest Occurred | 1993 | 1995 | 1989 | 1989 | 1996 | 1994 | 1996 | 1994 | 1997 | 1988 | 1995 | 1995 | 1996 |
| Lowest Mean Temperature (F) | 27.9 | 36.3 | 42.2 | 47.9 | 57.8 | 67.3 | 74.1 | 72.9 | 63.6 | 49.7 | 38.4 | 29.8 | 27.9 |
| Year Lowest Occurred | 1977 | 1984 | 1977 | 1975 | 1980 | 1983 | 1987 | 1976 | 1985 | 1971 | 2000 | 1971 | 1977 |
| Mean Min. Temperature (F) | 20.9 | 25.2 | 30.3 | 35.9 | 43.3 | 51.4 | 59.8 | 59.0 | 50.9 | 38.2 | 27.6 | 20.9 | 38.6 |
| Highest Mean Min. Temperature (F) | 30.1 | 30.8 | 35.3 | 41.9 | 49.3 | 56.7 | 64.6 | 63.9 | 57.7 | 43.7 | 34.0 | 26.8 | 64.6 |
| Year Highest Occurred | 1980 | 1971 | 1978 | 1992 | 1997 | 2000 | 1996 | 1994 | 1997 | 1988 | 1978 | 1982 | 1996 |
| Lowest Mean Min. Temperature (F) | 14.8 | 15.4 | 24.3 | 29.5 | 38.0 | 45.4 | 54.1 | 54.6 | 43.9 | 31.7 | 20.8 | 13.6 | 13.6 |
| Year Lowest Occurred | 1973 | 1984 | 1977 | 1983 | 1983 | 1983 | 1987 | 1975 | 1973 | 1971 | 1975 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.71 | 0.66 | 0.72 | 0.37 | 0.38 | 0.20 | 1.17 | 1.51 | 1.18 | 1.07 | 0.66 | 0.57 | 9.20 |
| Highest Precipitation (in.) | 2.69 | 3.77 | 2.26 | 1.40 | 1.59 | 1.22 | 3.67 | 4.15 | 3.93 | 5.01 | 2.02 | 2.00 | 5.01 |
| Year Highest Occurred | 1993 | 1987 | 2000 | 1973 | 1992 | 2000 | 1976 | 1984 | 1984 | 1972 | 1986 | 1991 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1984 | 1997 | 1991 | 1998 | 1998 | 1979 | 1972 | 1972 | 1999 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 906. | 656. | 538. | 323. | 142. | 15. | 0. | 1. | 36. | 285. | 613. | 893. | 4408. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 16. | 68. | 219. | 391. | 329. | 143. | 19. | 0. | 0. | 1186. |