condition	mean	min	max
4 h after light	0.297922	0.0	0.595844
8 h after light	0.097212	0.0	0.194424
12 h after light	0.207596	0.0	0.415192
4 h after dark	0.0	0.0	0.0
8 h after dark	0.129502	0.0	0.268851
12 h after dark	0.140255	0.0	0.297674