condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	1.113275	0.0	2.22655
12 h after light	1.346625	0.0	2.69325
4 h after dark	1.33101	0.0	2.66202
8 h after dark	1.55635	0.0	3.1127
12 h after dark	1.5435325	0.875555	2.21151