condition mean min max 4 h after light 226.738159 163.551954 289.924364 8 h after light 494.76049449999994 437.37539 552.145599 12 h after light 434.9677755 277.326679 592.608872 4 h after dark 1267.165728 894.526748 1639.804708 8 h after dark 1048.6373225 664.480433 1432.794212 12 h after dark 450.260542 450.260542 450.260542