| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 68.5 | 69.5 | 69.8 | 73.1 | 74.3 | 78.9 | 83.6 | 85.5 | 84.1 | 79.6 | 73.4 | 68.8 | 75.8 |
| Highest Mean Max. Temperature (F) | 75.6 | 74.9 | 76.5 | 79.8 | 81.6 | 84.9 | 88.2 | 90.5 | 90.9 | 87.0 | 78.6 | 73.7 | 90.9 |
| Year Highest Occurred | 1986 | 1988 | 1997 | 1989 | 1997 | 1981 | 1985 | 1996 | 1997 | 1999 | 1995 | 1979 | 1997 |
| Lowest Mean Max. Temperature (F) | 62.5 | 64.1 | 64.3 | 66.1 | 69.1 | 72.3 | 78.1 | 81.3 | 77.4 | 73.8 | 68.5 | 61.6 | 61.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1982 | 1987 | 1987 | 1986 | 2000 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 57.1 | 58.2 | 59.2 | 62.3 | 64.8 | 68.8 | 73.0 | 74.7 | 73.2 | 68.2 | 61.5 | 57.1 | 64.8 |
| Highest Mean Temperature (F) | 63.1 | 62.8 | 63.5 | 68.1 | 71.2 | 73.4 | 77.8 | 78.6 | 79.4 | 72.9 | 66.2 | 61.0 | 79.4 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1989 | 1997 | 1981 | 1984 | 1996 | 1984 | 1999 | 1995 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 53.6 | 54.7 | 55.4 | 56.8 | 60.6 | 64.1 | 68.8 | 71.0 | 67.9 | 65.1 | 57.1 | 51.0 | 51.0 |
| Year Lowest Occurred | 1979 | 1990 | 1973 | 1975 | 1977 | 1982 | 1987 | 1975 | 1986 | 1981 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 45.7 | 46.9 | 48.6 | 51.4 | 55.3 | 58.7 | 62.3 | 63.8 | 62.2 | 56.8 | 49.6 | 45.3 | 53.9 |
| Highest Mean Min. Temperature (F) | 50.6 | 53.5 | 52.2 | 56.9 | 61.3 | 61.9 | 67.5 | 67.7 | 68.9 | 62.2 | 53.8 | 51.7 | 68.9 |
| Year Highest Occurred | 1986 | 1995 | 1978 | 1992 | 1992 | 1981 | 1984 | 1992 | 1984 | 1987 | 1995 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 39.8 | 43.1 | 44.0 | 47.6 | 51.5 | 53.7 | 58.8 | 58.7 | 58.0 | 51.4 | 45.1 | 40.5 | 39.8 |
| Year Lowest Occurred | 1972 | 1979 | 1977 | 1975 | 1971 | 1971 | 1979 | 1975 | 1971 | 1971 | 1982 | 1971 | 1972 |
| Mean Precipitation (in.) | 2.89 | 2.52 | 2.98 | 1.05 | 0.33 | 0.11 | 0.06 | 0.10 | 0.29 | 0.58 | 1.32 | 1.52 | 13.75 |
| Highest Precipitation (in.) | 12.25 | 10.95 | 8.93 | 6.95 | 2.75 | 0.80 | 0.93 | 1.85 | 1.93 | 2.28 | 6.79 | 6.11 | 12.25 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1977 | 1972 | 1991 | 1977 | 1976 | 1987 | 1985 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 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 | 1974 | 1997 | 1993 | 1999 | 2000 | 2000 | 1999 | 1999 | 1999 | 1999 | 1999 | 1976 |
| Heating Degree Days (F) | 249. | 195. | 193. | 127. | 87. | 25. | 4. | 2. | 10. | 30. | 138. | 253. | 1313. |
| Cooling Degree Days (F) | 3. | 5. | 14. | 45. | 80. | 139. | 251. | 302. | 255. | 128. | 32. | 7. | 1261. |