UPDATED: July 6, 2012, 2011
Averages are based on the 30 year period 1981-2010
Corrected Averages 10/02/11
| Month | Average Max (F) |
Average Min (F) |
Monthly Average |
Coldest Average | Warmest Average |
| Jan | 38.3 | 26.9 | 32.6 | 21.7 (1918) | 43.2 (1932) |
| Feb | 41.6 | 28.9 | 35.3 | 19.9 (1934) | 40.9 (2012) |
| Mar | 49.7 | 35.2 | 42.5 | 30.0 (1888) | 51.1 (1945) |
| Apr | 61.2 | 44.8 | 53.0 | 41.1 (1874) | 57.9 (2010) |
| May | 70.8 | 54.0 | 62.4 | 54.3 (1917) | 68.7 (1991) |
| Jun | 79.3 | 63.6 | 71.5 | 64.2 (1903) | 76.2 (1943) |
| Jul | 84.1 | 68.8 | 76.5 | 70.7 (1888) | 81.4 (1999) |
| Aug | 82.6 | 67.8 | 75.2 | 68.5 (1927) | 80.3 (1980) |
| Sep | 75.2 | 60.8 | 68.0 | 60.8 (1871) | 73.5 (1961) |
| Oct | 63.8 | 50.0 | 56.9 | 48.6 (1888) | 63.6 (1947) |
| Nov | 53.8 | 41.6 | 47.7 | 37.0 (1873) | 52.7 (2001) |
| Dec | 43.0 | 32.0 | 37.5 | 24.9 (1876) | 44.1 (2001) |
| Year | 62.0 | 47.9 | 54.9 | 49.3 (1888) | 57.3 (2012) |
Corrected Averages 10/02/11
| Month | Average | Wettest | Driest |
| Jan | 3.65 | 10.52 (1979) | 0.58 (1981) |
| Feb | 3.09 | 6.87 (1869) | 0.46 (1895) |
| Mar | 4.36 | 10.69 (2010) | 0.80 (2006) |
| Apr | 4.50 | 14.01 (1983) | 0.95 (1881) |
| May | 4.19 | 10.24 (1989) | 0.30 (1903) |
| Jun | 4.41 | 10.27 (2003) | 0.02 (1949) |
| Jul | 4.60 | 11.89 (1889) |
0.44 (1999) |
Aug |
4.44 |
18.95 (2011) |
0.18 (1995) |
Sep |
4.28 |
16.85 (1882) |
0.21 (1884) |
Oct |
4.40 |
16.73 (2005) |
0.14 (1963) |
Nov |
4.02 |
12.41 (1972) |
0.34 (1976) |
Dec |
4.00 |
9.98 (1973) |
0.25 (1955) |
YEAR |
49.94 |
80.56 (1983) |
26.09 (1965) |
Corrected Averages 10/02/11
| Month | Average | Snowiest |
| Jan | 7.0 | 36.0 (2011) |
| Feb | 8.8 | 36.9 (2010) |
| Mar | 3.6 | 30.5 (1896) |
| Apr | 0.6 | 13.5 (1875) |
| May | none | - - - |
| Jun | none | - - - |
| Jul | none | - - - |
| Aug | none | - - - |
| Sep | none | - - - |
| Oct | Trace | 2.9 (2011) |
| Nov | 0.3 | 19.0 (1898) |
| Dec | 4.8 | 29.6 (1947) |
| SEASON | 25.1 | 75.6 (1995-96) |
* also in previous years |