| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.1 | 63.9 | 68.6 | 76.6 | 85.9 | 96.7 | 99.6 | 96.7 | 90.9 | 80.4 | 67.5 | 59.0 | 78.7 |
| Highest Mean Max. Temperature (F) | 68.5 | 70.8 | 80.1 | 85.7 | 94.9 | 102.4 | 102.6 | 100.6 | 97.0 | 86.5 | 76.0 | 66.7 | 102.6 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1974 | 1971 | 1996 | 1979 | 1988 | 1995 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 49.3 | 57.1 | 57.8 | 67.2 | 78.9 | 91.8 | 95.0 | 93.8 | 83.6 | 73.5 | 60.5 | 51.7 | 49.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1991 | 1986 | 1984 | 1986 | 1971 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 45.2 | 49.3 | 53.8 | 60.1 | 68.4 | 78.0 | 83.1 | 81.2 | 74.8 | 64.2 | 52.1 | 44.8 | 62.9 |
| Highest Mean Temperature (F) | 51.5 | 53.9 | 61.9 | 67.3 | 75.0 | 82.6 | 85.8 | 84.3 | 78.9 | 69.1 | 58.9 | 50.8 | 85.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1996 | 1995 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 38.6 | 45.2 | 47.3 | 52.7 | 62.8 | 73.7 | 80.1 | 78.3 | 69.0 | 58.8 | 46.3 | 40.7 | 38.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1991 | 1986 | 1990 | 1986 | 1971 | 2000 | 1971 | 1979 |
| Mean Min. Temperature (F) | 31.2 | 34.6 | 38.9 | 43.6 | 50.9 | 59.3 | 66.5 | 65.6 | 58.7 | 48.0 | 36.6 | 30.6 | 47.0 |
| Highest Mean Min. Temperature (F) | 36.7 | 38.8 | 43.6 | 48.9 | 55.6 | 64.3 | 69.2 | 68.5 | 63.1 | 53.4 | 41.7 | 34.8 | 69.2 |
| Year Highest Occurred | 1980 | 1996 | 1972 | 1989 | 1997 | 1981 | 1996 | 1995 | 1997 | 1987 | 1995 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 27.4 | 30.4 | 34.3 | 38.1 | 46.8 | 55.6 | 62.3 | 62.1 | 54.4 | 44.0 | 32.1 | 26.5 | 26.5 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1980 | 1998 | 1987 | 1979 | 1986 | 1971 | 2000 | 1974 | 1974 |
| Mean Precipitation (in.) | 1.19 | 1.10 | 1.22 | 0.64 | 0.33 | 0.22 | 1.70 | 2.09 | 1.50 | 1.00 | 0.72 | 1.03 | 12.74 |
| Highest Precipitation (in.) | 5.05 | 3.83 | 3.13 | 3.39 | 1.91 | 2.33 | 4.19 | 4.38 | 6.80 | 5.17 | 3.40 | 4.09 | 6.80 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1986 | 1999 | 1993 | 1983 | 2000 | 1985 | 1984 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1984 | 1988 | 1993 | 2000 | 1998 | 1997 | 1985 | 2000 | 1999 | 1999 | 1999 | 1996 |
| Heating Degree Days (F) | 616. | 440. | 358. | 194. | 58. | 2. | 0. | 0. | 3. | 106. | 391. | 626. | 2794. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 46. | 162. | 392. | 560. | 501. | 298. | 80. | 2. | 0. | 2051. |