| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.3 | 62.3 | 67.5 | 74.7 | 82.1 | 91.6 | 89.8 | 86.9 | 84.7 | 76.0 | 65.8 | 58.7 | 74.9 |
| Highest Mean Max. Temperature (F) | 64.8 | 68.0 | 76.4 | 81.4 | 89.5 | 97.3 | 95.2 | 90.1 | 89.1 | 83.0 | 72.7 | 66.4 | 97.3 |
| Year Highest Occurred | 2000 | 1999 | 1972 | 1989 | 2000 | 1980 | 1980 | 1973 | 1979 | 1979 | 1999 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 50.5 | 55.0 | 58.8 | 67.7 | 76.8 | 87.8 | 84.2 | 82.7 | 80.7 | 70.0 | 57.4 | 50.3 | 50.3 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1983 | 1987 | 1986 | 1999 | 1990 | 1987 | 1984 | 2000 | 1997 | 1997 |
| Mean Temperature (F) | 45.3 | 48.3 | 52.3 | 58.6 | 66.1 | 74.9 | 75.4 | 73.1 | 70.4 | 61.9 | 52.0 | 45.8 | 60.3 |
| Highest Mean Temperature (F) | 50.0 | 52.1 | 59.1 | 64.9 | 72.5 | 79.6 | 78.7 | 75.7 | 73.6 | 66.5 | 57.3 | 52.1 | 79.6 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1989 | 1984 | 1990 | 1980 | 1994 | 1997 | 1979 | 1999 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 40.0 | 42.9 | 45.9 | 53.5 | 62.7 | 71.0 | 72.5 | 70.1 | 67.6 | 56.8 | 45.3 | 40.9 | 40.0 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1983 | 1987 | 1991 | 1999 | 1971 | 1975 | 1971 | 2000 | 1997 | 1992 |
| Mean Min. Temperature (F) | 32.3 | 34.2 | 37.0 | 42.5 | 50.0 | 58.1 | 60.9 | 59.2 | 56.1 | 47.8 | 38.2 | 32.9 | 45.8 |
| Highest Mean Min. Temperature (F) | 36.8 | 39.1 | 42.2 | 48.4 | 56.8 | 64.2 | 63.2 | 61.8 | 60.2 | 53.1 | 41.8 | 38.7 | 64.2 |
| Year Highest Occurred | 1993 | 1996 | 1989 | 1989 | 1984 | 1996 | 1998 | 1998 | 1998 | 1987 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 27.3 | 29.8 | 33.0 | 38.4 | 45.0 | 53.9 | 58.0 | 55.7 | 53.0 | 42.8 | 32.8 | 26.3 | 26.3 |
| Year Lowest Occurred | 1976 | 1990 | 1973 | 1975 | 1975 | 1991 | 1975 | 1971 | 1975 | 1971 | 1992 | 1974 | 1974 |
| Mean Precipitation (in.) | 1.87 | 1.63 | 1.21 | 0.45 | 0.32 | 0.64 | 4.49 | 3.74 | 1.79 | 1.95 | 1.11 | 1.98 | 21.18 |
| Highest Precipitation (in.) | 7.93 | 4.40 | 5.13 | 2.22 | 1.07 | 3.28 | 8.58 | 6.71 | 5.59 | 12.69 | 5.19 | 6.95 | 12.69 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1985 | 1982 | 2000 | 1998 | 1986 | 1983 | 2000 | 1994 | 1984 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.33 | 1.21 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1999 | 1984 | 2000 | 1999 | 1998 | 1997 | 1979 | 2000 | 1982 | 1999 | 2000 | 1972 |
| Heating Degree Days (F) | 610. | 470. | 399. | 211. | 76. | 3. | 0. | 0. | 9. | 138. | 392. | 595. | 2903. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 19. | 109. | 298. | 321. | 251. | 170. | 42. | 1. | 0. | 1214. |