| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 69.9 | 71.5 | 72.3 | 76.8 | 78.7 | 84.3 | 89.0 | 90.2 | 88.3 | 83.1 | 75.6 | 70.8 | 79.2 |
| Highest Mean Max. Temperature (F) | 76.3 | 78.3 | 80.6 | 83.0 | 87.1 | 92.0 | 92.4 | 95.5 | 95.7 | 92.5 | 81.3 | 76.1 | 95.7 |
| Year Highest Occurred | 1976 | 1977 | 1997 | 1987 | 1984 | 1981 | 1984 | 1998 | 1984 | 1999 | 1976 | 1976 | 1984 |
| Lowest Mean Max. Temperature (F) | 64.2 | 66.1 | 66.4 | 68.3 | 73.0 | 76.5 | 84.2 | 86.4 | 80.7 | 77.6 | 70.1 | 63.0 | 63.0 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1982 | 1993 | 1989 | 1986 | 1979 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 56.3 | 58.2 | 59.8 | 63.4 | 66.7 | 71.5 | 75.6 | 76.6 | 74.7 | 68.9 | 61.0 | 56.4 | 65.8 |
| Highest Mean Temperature (F) | 62.3 | 62.9 | 64.6 | 68.1 | 73.3 | 77.1 | 79.2 | 80.7 | 81.6 | 73.4 | 64.7 | 60.3 | 81.6 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1992 | 1997 | 1981 | 1984 | 1998 | 1984 | 1999 | 1976 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 52.4 | 54.8 | 55.6 | 57.0 | 61.8 | 66.1 | 71.4 | 73.0 | 68.3 | 66.1 | 55.7 | 51.2 | 51.2 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1982 | 1987 | 1975 | 1986 | 1975 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 42.6 | 44.8 | 47.3 | 50.0 | 54.7 | 58.6 | 62.2 | 62.9 | 61.0 | 54.7 | 46.4 | 41.9 | 52.3 |
| Highest Mean Min. Temperature (F) | 48.5 | 49.9 | 52.0 | 54.5 | 60.5 | 62.1 | 66.0 | 66.6 | 67.5 | 59.6 | 49.5 | 47.8 | 67.5 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1989 | 1997 | 1997 | 1984 | 1984 | 1984 | 1987 | 1995 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 38.4 | 40.8 | 41.2 | 45.6 | 50.4 | 55.7 | 58.2 | 58.9 | 55.9 | 50.2 | 41.0 | 38.0 | 38.0 |
| Year Lowest Occurred | 1972 | 1979 | 1977 | 1975 | 1977 | 1982 | 1987 | 1975 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 4.07 | 4.66 | 3.76 | 1.01 | 0.41 | 0.16 | 0.03 | 0.10 | 0.44 | 0.57 | 1.29 | 2.06 | 18.56 |
| Highest Precipitation (in.) | 15.52 | 17.50 | 13.34 | 6.00 | 5.17 | 1.19 | 0.68 | 1.06 | 3.86 | 3.40 | 4.77 | 6.85 | 17.50 |
| Year Highest Occurred | 1995 | 1980 | 1983 | 1983 | 1998 | 1995 | 1992 | 1983 | 1976 | 1987 | 1982 | 1971 | 1980 |
| 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 | 1976 | 1984 | 1997 | 1997 | 2000 | 2000 | 2000 | 1999 | 2000 | 1999 | 2000 | 2000 | 1976 |
| Heating Degree Days (F) | 273. | 198. | 184. | 110. | 64. | 14. | 0. | 0. | 6. | 26. | 145. | 275. | 1295. |
| Cooling Degree Days (F) | 3. | 6. | 23. | 62. | 117. | 207. | 328. | 358. | 295. | 146. | 24. | 6. | 1575. |