Daily temperature and precipitation extremes for May at  BOSTON WSFO AP         
* indicates also in previous year(s)

Date High Max   Low Min     Low Max  High Min     High Pcpn   High Snow
  1   89 1899   33 1880     43 1962*  61 1899     1.82 1921    0.0       
  2   91 2001*  33 1874     41 1888   64 1894     1.14 1897     T  1953* 
  3   92 2001   31 1882     40 1873   65 2001     2.40 1900    0.0       
  4   90 2001   33 1911     45 1987*  72 2001     2.71 1893     T  1920  
  5   89 1949   35 1907*    42 1987   63 1949     2.06 1922     T  1917  
  6   90 1930   33 1891     42 1917   66 1934     1.00 1998     T  1917  
  7   95 1930   37 1992*    45 1958   71 1930     1.50 1998     T  1967  
  8   87 1964*  34 1956     43 1884   65 1964*    1.42 1886    0.9 1938  
  9   95 1979   35 1977     45 1966   65 1963*    2.50 1954     T  1977  
 10   94 1979*  34 1902*    44 1924*  68 1979     1.43 1998    0.5 1977  
 11   91 1993   33 1900     44 1963   68 1895     1.42 1989     T  1945* 
 12   88 2001*  33 1907     43 1882   67 1908     1.42 1888    0.0       
 13   87 1947   38 1882*    42 1914   63 1906     1.56 2002    0.0       
 14   86 1879   37 1895     47 1931*  63 1944*    1.00 1882    0.0       
 15   93 1900   36 1947     46 1882   62 1961     1.73 1978    0.0       
 16   93 1932   34 1936     48 1958*  63 1951     4.47 1954    0.0       
 17   92 1977   39 1882     47 1905*  64 1977     1.88 1916    0.0       
 18   91 1936   37 2002     46 1881   63 1896     1.09 2002    0.0       
 19   90 1986*  38 1882     45 1882   64 1949*    1.55 1900    0.0       
 20   91 1996   40 1892     44 1892   65 1959     1.23 1969    0.0       
 21   93 1921   41 1907     45 1990   66 1996*    2.24 1889    0.0       
 22   93 1959   39 1894     47 1909   70 1921     3.23 1920    0.0       
 23   93 1964   40 1967*    47 1882   65 1964     1.09 1913    0.0       
 24   93 1964   36 1882     49 1987*  69 1964     1.73 1951    0.0       
 25   91 1981*  40 1967     49 1967*  71 1991     2.63 1967    0.0       
 26   97 1880   39 1882     44 1967   69 1880     1.36 1967    0.0       
 27   96 1880   39 1915     49 1907   74 1914     1.48 1961    0.0       
 28   92 1931   43 1917*    48 1906   70 1944     2.39 1906     T  1953  
 29   94 1931*  39 1902     49 1917   70 1929     1.63 1990     T  1949  
 30   96 1929   35 1884     51 1901   72 1929     1.52 1948    0.0       
 31   96 1944   39 1884     54 1894   73 1987     4.12 1984    0.0