ChescoWx Posted January 24, 2014 Share Posted January 24, 2014 With the current cold wave having already resulted in 2 such days with maybe another 3 sub-zero mornings in our future here in NW Chester County I went back and looked at the Chesco data set from 1894 to Present . Feel free to add your locations Below are the 15 greatest years with zero degree days by rank 1979 - 10 1918 - 8 1899 - 8 1982 - 7 1914 - 7 1981 - 6 1963 - 6 1994 - 5 1984 - 5 1977 - 5 1961 - 5 1948 - 5 1917 - 5 1912 - 5 1905 - 5 Link to comment Share on other sites More sharing options...
famartin Posted January 25, 2014 Share Posted January 25, 2014 Stats for PHL: 1984 - 3 1979 - 3 1977 - 3 1899 - 3 1985 - 2 1982 - 2 1963 - 2 1961 - 2 1934 - 2 1917 - 2 1904 - 2 1895 - 2 1880 - 2 1875 - 2 1994 - 1 1981 - 1 1936 - 1 1918 - 1 1914 - 1 1912 - 1 1896 - 1 1893 - 1 1886 - 1 1885 - 1 1882 - 1 1881 - 1 1879 - 1 Link to comment Share on other sites More sharing options...
noctilucent Posted January 25, 2014 Share Posted January 25, 2014 Surprised at 1994....thought it would have more. Up here we've had 3 this year....two zeros and 1 minus 2. Link to comment Share on other sites More sharing options...
famartin Posted January 25, 2014 Share Posted January 25, 2014 Surprised at 1994....thought it would have more. Up here we've had 3 this year....two zeros and 1 minus 2. Only one day was true advective cold, the 19th. The other days when it "could" have made it were more radiative so the heat island took over. Link to comment Share on other sites More sharing options...
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