| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 66.6 | 72.0 | 77.6 | 85.7 | 93.9 | 104.1 | 107.2 | 105.4 | 99.6 | 88.0 | 74.7 | 66.0 | 86.7 |
| Highest Mean Max. Temperature (F) | 73.5 | 77.9 | 86.2 | 92.7 | 102.2 | 109.7 | 111.1 | 109.5 | 104.1 | 95.4 | 82.1 | 74.9 | 111.1 |
| Year Highest Occurred | 1981 | 1977 | 1997 | 1989 | 1997 | 1981 | 1980 | 1995 | 1979 | 1999 | 1995 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 56.8 | 66.4 | 70.2 | 75.0 | 86.0 | 98.9 | 103.0 | 101.7 | 90.7 | 79.7 | 68.5 | 59.3 | 56.8 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1975 | 1977 | 1991 | 1976 | 1971 | 1976 | 1971 | 1994 | 1978 | 1979 |
| Mean Temperature (F) | 54.2 | 58.9 | 63.9 | 71.0 | 78.9 | 88.4 | 93.7 | 92.5 | 86.0 | 74.0 | 61.1 | 53.5 | 73.0 |
| Highest Mean Temperature (F) | 60.8 | 64.1 | 69.2 | 77.2 | 86.8 | 94.3 | 97.5 | 96.4 | 89.8 | 78.8 | 66.3 | 60.1 | 97.5 |
| Year Highest Occurred | 1981 | 1995 | 1997 | 1989 | 1997 | 1981 | 1980 | 1995 | 1979 | 1988 | 1995 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 47.5 | 55.0 | 59.2 | 62.5 | 72.3 | 83.1 | 88.8 | 88.3 | 78.6 | 66.3 | 55.0 | 47.6 | 47.5 |
| Year Lowest Occurred | 1972 | 1990 | 1991 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1971 | 1994 | 1971 | 1972 |
| Mean Min. Temperature (F) | 41.7 | 45.7 | 50.2 | 56.2 | 63.9 | 72.6 | 80.2 | 79.5 | 72.4 | 60.0 | 47.4 | 40.9 | 59.2 |
| Highest Mean Min. Temperature (F) | 48.0 | 50.9 | 54.7 | 61.7 | 71.4 | 78.9 | 84.8 | 83.4 | 77.5 | 64.9 | 50.5 | 45.8 | 84.8 |
| Year Highest Occurred | 1981 | 1995 | 1978 | 1989 | 1997 | 1981 | 1981 | 1998 | 1997 | 1978 | 1995 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 32.3 | 39.9 | 45.5 | 50.1 | 58.3 | 66.7 | 72.2 | 73.7 | 64.9 | 53.0 | 41.4 | 35.9 | 32.3 |
| Year Lowest Occurred | 1972 | 1972 | 1977 | 1975 | 1971 | 1998 | 1987 | 1976 | 1985 | 1971 | 1994 | 1971 | 1972 |
| Mean Precipitation (in.) | 0.46 | 0.55 | 0.45 | 0.14 | 0.03 | 0.01 | 0.32 | 0.66 | 0.50 | 0.23 | 0.19 | 0.48 | 4.02 |
| Highest Precipitation (in.) | 2.33 | 3.03 | 2.15 | 1.00 | 0.22 | 0.10 | 2.44 | 2.09 | 2.14 | 1.89 | 1.84 | 3.33 | 3.33 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1999 | 1996 | 1972 | 1984 | 1979 | 1976 | 1972 | 1985 | 1984 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 2000 | 1997 | 1999 | 2000 | 2000 | 1999 | 2000 | 1999 | 1994 | 2000 | 2000 | 2000 | 2000 |
| Heating Degree Days (F) | 343. | 184. | 108. | 40. | 7. | 0. | 0. | 0. | 0. | 17. | 164. | 363. | 1226. |
| Cooling Degree Days (F) | 7. | 13. | 72. | 217. | 438. | 701. | 890. | 851. | 631. | 296. | 45. | 5. | 4166. |