condition mean min max 4 h after light 3.283196666666667 3.19749 3.371529 8 h after light 2.51754 1.8344080000000003 2.8745 12 h after light 7.632399666666666 6.28326 8.442530999999999 16 h after light 5.310135 3.666775 8.506822 4 h after dark 4.371704 3.118961 6.179921 8 h after dark 3.500337333333333 2.487533 4.454395