Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Year | January | February | March | April | May | June | July | August | September | October | November | December | Yearly |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 20.1 | 11.5 | 5.1 | 36.7 | |||||||||
| 2010 | 13.1 | 46.1 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.2 | 70.8 |
| 2009 | 19.0 | 3.2 | 0.0 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4 | 0.1 | 19.3 | 43.61 |
| 2008 | 5.5 | 20.8 | 8.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.6 | 2.9 | 42.4 |
| 2007 | 9.5 | 15.2 | 14.4 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 8.2 | 49.9 |
| 2006 | 3.3 | 4.0 | 0.5 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 1.5 | 10 |
| 2005 | 12.3 | 8.1 | 11.7 | 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 3.8 | 18.2 | 56.6 |
| 2004 | 30.8 | 14.8 | 7.6 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.4 | 56 |
| 2003 | 17.7 | 33.7 | 6.2 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 20.8 | 80.7 |
| 2002 | 9.6 | 1.9 | 1.5 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 2.9 | 16.1 | 32.3 |
| 2001 | 11.4 | 9.1 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 1.8 | 24.2 |
| 2000 | 12.5 | 7.0 | 0.0 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 11.7 | 33.6 |
| 1999 | 18.5 | 0.1 | 27.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 1.0 | 46.9 |
| 1998 | 7.2 | 17.2 | 2.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 27.9 |
| 1997 | 10.5 | 7.2 | 3.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.2 | 5.7 | 30.5 |
| 1996 | 31.0 | 7.7 | 11.8 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.4 | 8.7 | 63.2 |
| 1995 | 4.2 | 8.2 | 3.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 22.1 | 12.9 | 50.9 |
| 1994 | 37.0 | 25.9 | 26.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 0.7 | 91.8 |
| 1993 | 2.6 | 21.2 | 29.9 | 2.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 3.0 | 8.2 | 68.1 |
| 1992 | 7.7 | 3.3 | 19.1 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.7 | 29.5 | 62.8 |
| 1991 | 10.0 | 6.7 | 7.8 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 6.4 | 32 |
| 1990 | 12.7 | 4.0 | 1.3 | 2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 11.8 | 32.8 |
| 1989 | 7.5 | 3.6 | 11.4 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.4 | 19.6 | 46.5 |
| 1988 | 9.9 | 13.4 | 8.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 7.3 | 39.8 |
| 1987 | 28.4 | 8.3 | 6.2 | 4.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.5 | 10.1 | 68.6 |
| 1986 | 17.6 | 18.2 | 3.6 | 5.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.3 | 1.5 | 48.7 |
| 1985 | 14.3 | 9.4 | 0.0 | 8.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 13.9 | 45.9 |
| 1984 | 7.0 | 1.3 | 17.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.5 | 3.2 | 32.8 |
| 1983 | 1.9 | 11.6 | 4.7 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 5.8 | 25.2 |
| 1982 | 9.1 | 7.2 | 16.3 | 6.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 40.4 |
| 1981 | 14.4 | 9.4 | 9.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.3 | 13.9 | 49.8 |
| 1980 | 8.7 | 7.6 | 11.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.8 | 4.2 | 36.4 |
| 1979 | 17.8 | 26.1 | 2.8 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 2.3 | 50.3 |
| 1978 | 55.9 | 19.2 | 14.0 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.5 | 9.2 | 101.2 |
| 1977 | 25.0 | 12.8 | 5.5 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 6.1 | 13.6 | 63.8 |
| 1976 | 11.6 | 5.0 | 10.6 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.2 | 14.7 | 45.8 |
| 1975 | 20.6 | 20.0 | 9.0 | 0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 9.3 | 60.1 |
| 1974 | 7.0 | 6.8 | 1.0 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.9 | 28.0 | 46.2 |
| 1973 | 4.9 | 11.8 | 1.8 | 1.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 16.3 | 37.4 |
| 1972 | 5.3 | 41.0 | 10.3 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 5.2 | 7.5 | 71.8 |
| 1971 | 26.2 | 18.0 | 26.0 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 15.5 | 2.6 | 88.7 |
| 1970 | 9.4 | 19.8 | 23.9 | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 18.0 | 73 |
| 1969 | 5.6 | 12.2 | 6.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 2.5 | 31.9 | 59.1 |
| 1968 | 10.5 | 5.3 | 11.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 10.8 | 7.9 | 46.2 |
| 1967 | 4.5 | 20.5 | 21.0 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.5 | 13.6 | 65.9 |
| 1966 | 30.0 | 16.0 | 4.1 | 4.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.5 | 13.0 | 71.1 |
| 1965 | 16.5 | 7.5 | 24.8 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 1.4 | 52.3 |
| 1964 | 23.2 | 30.8 | 6.8 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.5 | 64.1 |
| 1963 | 6.9 | 16.8 | 11.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.7 | 19.1 | 56 |
| 1962 | 4.5 | 14.7 | 20.9 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 1.6 | 19.3 | 63.9 |
| 1961 | 24.3 | 30.3 | 5.8 | 7.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 10.9 | 80.8 |
| 1960 | 5.3 | 20.8 | 20.5 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2 | 1.0 | 18.2 | 67.8 |
| 1959 | 11.0 | 2.9 | 12.3 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 7.9 | 39.1 |
| 1958 | 14.7 | 16.5 | 17.9 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.5 | 6.4 | 59.5 |
| 1957 | 9.9 | 10.9 | 7.2 | 0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 | 4.3 | 33.6 |
| 1956 | 9.3 | 6.2 | 13.3 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 3.6 | 35.3 |
| 1955 | 5.5 | 11.2 | 2.7 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 7.0 | 3.4 | 29.9 |
| 1954 | 14.1 | 2.4 | 2.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 6.1 | 26.4 |
| 1953 | 12.6 | 5.7 | 9.1 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.9 | 3.0 | 38.3 |
| 1952 | 2.9 | 4.0 | 11.8 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.8 | 8.5 | 30 |
| 1951 | 12.9 | 4.8 | 5.3 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.7 | 20.1 | 46.9 |
| 1950 | 1.3 | 7.2 | 18.0 | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 13.9 | 22.5 | 64.5 |