| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.9 | 64.9 | 69.8 | 76.9 | 85.3 | 93.2 | 98.1 | 96.8 | 91.8 | 82.5 | 67.9 | 58.3 | 78.6 |
| Highest Mean Max. Temperature (F) | 63.5 | 72.9 | 77.1 | 84.5 | 92.0 | 97.4 | 101.8 | 100.5 | 97.2 | 88.2 | 74.9 | 65.0 | 101.8 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1987 | 1992 | 1981 | 1996 | 1996 | 1991 | 1991 | 1995 | 1979 | 1996 |
| Lowest Mean Max. Temperature (F) | 49.5 | 60.2 | 62.4 | 70.0 | 75.6 | 87.8 | 93.7 | 89.3 | 85.8 | 75.9 | 60.4 | 51.8 | 49.5 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1972 | 1985 | 1972 |
| Mean Temperature (F) | 48.7 | 54.1 | 58.4 | 63.6 | 70.9 | 77.8 | 82.8 | 81.5 | 76.5 | 67.7 | 55.7 | 48.3 | 65.5 |
| Highest Mean Temperature (F) | 54.5 | 58.3 | 63.3 | 69.7 | 76.6 | 82.4 | 86.0 | 84.7 | 80.8 | 72.2 | 61.1 | 53.7 | 86.0 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1987 | 1992 | 1981 | 1996 | 1971 | 1991 | 1991 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 41.9 | 50.1 | 53.5 | 58.2 | 63.2 | 73.5 | 78.1 | 75.8 | 71.4 | 63.5 | 51.3 | 43.8 | 41.9 |
| Year Lowest Occurred | 1972 | 1971 | 1977 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1972 | 1972 |
| Mean Min. Temperature (F) | 39.4 | 43.3 | 46.9 | 50.3 | 56.4 | 62.4 | 67.4 | 66.1 | 61.2 | 52.9 | 43.5 | 38.2 | 52.3 |
| Highest Mean Min. Temperature (F) | 45.4 | 48.3 | 51.8 | 55.2 | 62.4 | 67.4 | 71.7 | 70.0 | 66.0 | 57.0 | 47.6 | 44.0 | 71.7 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1973 | 1981 | 1985 | 1971 | 1984 | 1987 | 1976 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 34.3 | 38.7 | 40.2 | 46.4 | 50.8 | 58.2 | 62.6 | 62.2 | 57.1 | 49.0 | 38.9 | 31.1 | 31.1 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1998 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 2.17 | 1.99 | 2.33 | 0.87 | 0.42 | 0.11 | 0.01 | 0.02 | 0.35 | 0.65 | 1.14 | 1.43 | 11.49 |
| Highest Precipitation (in.) | 5.53 | 5.93 | 8.30 | 2.44 | 2.93 | 1.05 | 0.17 | 0.26 | 3.24 | 2.55 | 3.26 | 4.18 | 8.30 |
| Year Highest Occurred | 1997 | 1998 | 1991 | 1982 | 1971 | 1993 | 1982 | 1977 | 1976 | 1972 | 1972 | 1996 | 1991 |
| Lowest Precipitation (in.) | 0.03 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1977 | 1997 | 1997 | 1997 | 1997 | 2000 | 1999 | 1996 | 1999 | 1992 | 1989 | 1997 |
| Heating Degree Days (F) | 507. | 304. | 225. | 118. | 40. | 2. | 0. | 0. | 2. | 50. | 285. | 520. | 2053. |
| Cooling Degree Days (F) | 0. | 0. | 19. | 76. | 220. | 386. | 551. | 510. | 346. | 132. | 6. | 0. | 2246. |