| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 68.5 | 68.8 | 68.4 | 70.2 | 70.3 | 72.6 | 76.1 | 78.3 | 78.7 | 76.4 | 72.2 | 68.8 | 72.4 |
| Highest Mean Max. Temperature (F) | 72.9 | 73.4 | 73.7 | 74.0 | 74.6 | 78.7 | 81.2 | 81.7 | 83.6 | 82.8 | 79.0 | 74.2 | 83.6 |
| Year Highest Occurred | 1986 | 1977 | 1997 | 1992 | 1997 | 1981 | 1984 | 1971 | 1997 | 1999 | 1976 | 1976 | 1997 |
| Lowest Mean Max. Temperature (F) | 64.0 | 65.2 | 62.4 | 65.6 | 64.4 | 67.5 | 72.0 | 75.2 | 74.1 | 72.0 | 67.8 | 63.6 | 62.4 |
| Year Lowest Occurred | 1982 | 1998 | 1999 | 1975 | 1998 | 1998 | 1991 | 1999 | 1986 | 2000 | 1985 | 1987 | 1999 |
| Mean Temperature (F) | 57.3 | 58.3 | 59.2 | 61.5 | 63.7 | 66.5 | 70.1 | 71.8 | 71.2 | 67.1 | 61.0 | 57.2 | 63.7 |
| Highest Mean Temperature (F) | 61.2 | 62.2 | 63.3 | 65.9 | 69.0 | 71.2 | 74.2 | 75.0 | 75.9 | 70.4 | 65.3 | 62.8 | 75.9 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1992 | 1992 | 1981 | 1984 | 1992 | 1997 | 1987 | 1976 | 1977 | 1997 |
| Lowest Mean Temperature (F) | 53.4 | 54.9 | 55.2 | 57.3 | 60.4 | 63.3 | 67.0 | 68.4 | 66.8 | 64.6 | 56.9 | 53.1 | 53.1 |
| Year Lowest Occurred | 1972 | 1985 | 1985 | 1975 | 1998 | 1999 | 1987 | 1975 | 1986 | 1971 | 1994 | 1987 | 1987 |
| Mean Min. Temperature (F) | 46.1 | 47.7 | 50.0 | 52.8 | 57.1 | 60.3 | 64.0 | 65.3 | 63.7 | 57.7 | 49.8 | 45.5 | 55.0 |
| Highest Mean Min. Temperature (F) | 51.9 | 53.4 | 53.8 | 57.8 | 63.6 | 63.6 | 67.1 | 68.5 | 68.2 | 62.0 | 53.1 | 53.4 | 68.5 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1992 | 1992 | 1981 | 1984 | 1992 | 1997 | 1987 | 1997 | 1977 | 1992 |
| Lowest Mean Min. Temperature (F) | 41.0 | 43.0 | 46.0 | 49.1 | 53.3 | 56.8 | 61.3 | 61.5 | 59.5 | 52.8 | 45.0 | 42.6 | 41.0 |
| Year Lowest Occurred | 1972 | 1985 | 1985 | 1975 | 1971 | 1971 | 1987 | 1975 | 1986 | 1971 | 2000 | 1987 | 1972 |
| Mean Precipitation (in.) | 1.99 | 1.99 | 2.07 | 0.69 | 0.14 | 0.08 | 0.03 | 0.08 | 0.20 | 0.39 | 1.11 | 1.18 | 9.95 |
| Highest Precipitation (in.) | 8.25 | 7.77 | 7.39 | 2.33 | 1.42 | 0.60 | 0.43 | 2.00 | 1.46 | 2.66 | 8.13 | 5.25 | 8.25 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1977 | 1990 | 1999 | 1977 | 1976 | 1987 | 1985 | 1984 | 1993 |
| 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 | 2000 | 2000 | 2000 | 2000 | 1999 | 1999 | 2000 | 2000 | 1999 | 1976 |
| Heating Degree Days (F) | 243. | 194. | 190. | 126. | 91. | 40. | 8. | 4. | 8. | 31. | 138. | 248. | 1321. |
| Cooling Degree Days (F) | 4. | 5. | 10. | 20. | 50. | 83. | 165. | 214. | 193. | 95. | 18. | 5. | 862. |