condition	mean	min	max
0 h after light	2.553415	2.31903	2.7878
4 h after light	3.7080149999999996	3.0718	4.34423
8 h after light	8.382245	8.03014	8.73435
4 h after dark	5.247445	4.57317	5.92172
8 h after dark	4.13037	3.65433	4.60641
12 h after dark	1.2535775	0.694775	1.81238