condition	mean	min	max
0 h after light	4.181345	2.3863	5.97639
4 h after light	15.07859	7.05828	23.0989
8 h after light	21.6061	17.7066	25.5056
4 h after dark	2.35291	0.0	4.70582
8 h after dark	3.53521	2.37001	4.70041
12 h after dark	2.357135	2.33118	2.38309