condition	mean	min	max
0 h after light	3.477945	2.92001	4.03588
4 h after light	7.656695	6.63194	8.68145
8 h after light	10.648965	7.98833	13.3096
4 h after dark	6.7268	5.30589	8.14771
8 h after dark	5.43533	4.85814	6.01252
12 h after dark	3.11855	2.91089	3.32621