Climate Summary for January

Station: Philadelphia (366889) State: Pennsylvania Period of Record: 3/1872-3/2011 (# of years included = 137) Temperature Precipitation EXTREMES EXTREMES Greatest Daily Greatest | Cumulative Chance Chance Day Average Average | Highest Yr Lowest Yr || amount snowfall | average >=.01 in >=.1 in Max (F) Min (F) | (F) (F) || Inches Yr Inches Yr | precip(in) precip snow 1 42.0 27.5 | 64 2005 4 1881 || 1.60 1948 5.3 1971 | 0.18 0.40 0.12 2 41.3 27.1 | 67 1876 7 1968* || 1.68 1925 6.5 1925 | 0.31 0.40 0.09 3 40.5 27.2 | 63 2000 -3 1879 || 1.50 1999 1.5 1988 | 0.45 0.34 0.09 4 40.4 27.1 | 68 1950 2 1918 || 1.51 1982 4.5 1942 | 0.54 0.34 0.09 5 40.2 26.4 | 66 1997 -2 1904 || 2.24 1873 4.6 1887 | 0.67 0.36 0.09 6 41.2 26.8 | 73 2007 4 1896 || 2.00 1962 9.2 1893 | 0.80 0.42 0.13 7 41.3 28.4 | 65 1950* 7 1988 || 2.49 1874 27.6 1996 | 0.96 0.43 0.17 8 39.8 26.7 | 69 1998 2 1970 || 1.20 1923 3.8 1988 | 1.06 0.36 0.14 9 39.6 25.9 | 69 1930 1 1970 || 1.54 1936 3.7 1974 | 1.20 0.37 0.16 10 39.1 25.7 | 63 1950 -5 1875 || 1.28 1881 6.6 1965 | 1.30 0.29 0.13 11 38.9 25.5 | 66 1975 1 1982 || 1.29 1991 7.4 1954 | 1.42 0.34 0.09 12 39.8 25.5 | 72 1890 1 1981 || 2.19 1915 5.0 1893 | 1.53 0.34 0.13 13 39.5 25.4 | 70 1932 0 1981* || 1.46 1978 7.1 1964 | 1.67 0.40 0.12 14 39.9 25.2 | 73 1932 0 1914 || 2.27 1968 7.2 1910 | 1.81 0.42 0.15 15 39.5 25.7 | 71 1932 2 1964 || 1.23 1884 5.0 1892 | 1.93 0.35 0.17 16 39.2 24.6 | 62 2007 0 1977* || 1.09 1924 7.6 1945 | 2.02 0.32 0.15 17 38.7 24.1 | 63 1913 -7 1982 || 1.66 1978 4.4 1978 | 2.14 0.34 0.14 18 39.4 24.6 | 64 2006* -4 1982 || 1.06 1930 3.5 1984* | 2.25 0.33 0.11 19 38.8 24.8 | 65 1951 -5 1994 || 1.40 1936 7.4 1961 | 2.37 0.44 0.17 20 39.7 25.2 | 65 1951 -3 1984 || 1.89 1978 9.3 1978 | 2.51 0.35 0.20 21 40.3 25.8 | 62 1959 -6 1985 || 1.32 1979 3.4 1917 | 2.63 0.38 0.09 22 41.4 25.7 | 70 1906 -7 1984 || 1.03 1987 10.8 2005 | 2.73 0.38 0.11 23 41.6 25.9 | 71 1906 -2 1936 || 2.32 1998 11.9 1935 | 2.86 0.33 0.15 24 40.2 25.5 | 69 1967* 0 1882 || 1.61 1953 5.8 1908 | 3.01 0.42 0.18 25 39.8 25.8 | 66 1967 -2 1963 || 1.83 1978 8.5 2000 | 3.16 0.36 0.13 26 39.8 24.6 | 74 1950 4 1961 || 1.28 1986 14.2 2011 | 3.26 0.35 0.15 27 39.5 24.6 | 69 1916 4 1927 || 1.64 1976 4.1 1941 | 3.38 0.38 0.17 28 39.1 24.6 | 67 1916 3 1961* || 1.63 1943 8.8 1922 | 3.50 0.39 0.17 29 38.7 24.5 | 72 2002 -5 1963 || 1.23 1925 5.0 1904 | 3.59 0.37 0.21 30 39.5 25.3 | 70 1947 8 1948 || 1.79 1939 5.6 1966 | 3.67 0.32 0.16 31 38.9 24.9 | 65 1947 3 1948 || 1.30 1878 3.0 1949 | 3.77 0.28 0.13 * - Asterisk indicates that the record was also reached in previous years.