h       d
     4.8     5.4
    10.3    12.3
    15.3    17.2
    19.9    20.5
    23.7    23.6
    27.1    26.3
    29.4    28.4
    31.5    30.3
   33.1    32.3
   34.3    34.1
   35.5    36.3
   36.7    38.8
   37.8    40.8