condition mean min max 4 h after light 40.21420666666667 20.0837 72.04198000000001 8 h after light 20.520223333333334 18.41858 24.53329 12 h after light 14.58836 11.91207 17.80619 16 h after light 49.68886 34.98642 63.6691 4 h after dark 30.901343333333333 25.6597 36.31913 8 h after dark 20.14865 14.38836 24.76931