condition	mean	min	max
4 h after light	6.6047899999999995	4.9882	8.22138
8 h after light	2.7921199999999997	2.34219	3.24205
12 h after light	2.84342	2.11577	3.57107
4 h after dark	3.3289733333333333	2.5569	4.04932
8 h after dark	6.6632	6.24037	7.12801
12 h after dark	6.144726666666666	5.34965	7.23072