| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.8 | 50.9 | 53.3 | 59.1 | 67.1 | 77.7 | 84.7 | 84.4 | 79.0 | 68.3 | 56.3 | 49.1 | 64.9 |
| Highest Mean Max. Temperature (F) | 56.5 | 59.7 | 63.3 | 70.4 | 75.8 | 85.5 | 90.6 | 90.8 | 85.8 | 76.2 | 69.7 | 55.5 | 90.8 |
| Year Highest Occurred | 1994 | 1991 | 1972 | 1989 | 1997 | 1994 | 1994 | 1995 | 1995 | 1995 | 1995 | 1980 | 1995 |
| Lowest Mean Max. Temperature (F) | 41.3 | 45.4 | 44.5 | 47.9 | 56.0 | 71.4 | 79.5 | 77.3 | 66.1 | 60.4 | 50.3 | 38.6 | 38.6 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 43.0 | 44.5 | 45.8 | 50.4 | 57.4 | 67.0 | 73.8 | 73.8 | 69.3 | 59.9 | 49.2 | 42.5 | 56.4 |
| Highest Mean Temperature (F) | 49.8 | 52.7 | 53.4 | 60.2 | 64.9 | 73.7 | 79.3 | 79.7 | 75.1 | 67.5 | 61.4 | 47.6 | 79.7 |
| Year Highest Occurred | 1994 | 1991 | 1972 | 1989 | 1997 | 1994 | 1994 | 1995 | 1995 | 1987 | 1995 | 2000 | 1995 |
| Lowest Mean Temperature (F) | 36.3 | 39.2 | 37.6 | 40.4 | 47.6 | 62.1 | 68.2 | 66.1 | 56.6 | 51.8 | 43.5 | 33.1 | 33.1 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 37.1 | 38.1 | 38.2 | 41.6 | 47.7 | 56.3 | 62.8 | 63.2 | 59.5 | 51.4 | 42.0 | 35.9 | 47.8 |
| Highest Mean Min. Temperature (F) | 43.0 | 45.7 | 45.1 | 49.9 | 53.9 | 62.4 | 67.9 | 68.5 | 64.8 | 60.1 | 53.0 | 41.3 | 68.5 |
| Year Highest Occurred | 1994 | 1991 | 1993 | 1989 | 1997 | 1981 | 1994 | 1996 | 1983 | 1987 | 1995 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | 29.6 | 32.9 | 30.7 | 32.8 | 39.2 | 51.3 | 56.8 | 54.9 | 47.1 | 43.2 | 36.4 | 27.5 | 27.5 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1972 | 1973 | 1971 | 1971 |
| Mean Precipitation (in.) | 2.48 | 3.21 | 2.29 | 0.60 | 0.28 | 0.07 | 0.02 | 0.09 | 0.25 | 0.32 | 0.82 | 2.17 | 12.60 |
| Highest Precipitation (in.) | 9.09 | 11.36 | 8.99 | 2.22 | 3.39 | 1.50 | 0.19 | 1.85 | 3.29 | 2.48 | 3.91 | 10.26 | 11.36 |
| Year Highest Occurred | 1993 | 1973 | 1978 | 1975 | 1977 | 1993 | 1992 | 1977 | 1976 | 1987 | 1972 | 1971 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 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 | 1984 | 1972 | 1993 | 1997 | 2000 | 2000 | 1999 | 1996 | 1999 | 2000 | 2000 | 1976 |
| Heating Degree Days (F) | 685. | 573. | 587. | 457. | 280. | 73. | 9. | 18. | 85. | 236. | 485. | 698. | 4186. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 17. | 44. | 133. | 280. | 290. | 212. | 76. | 8. | 0. | 1066. |