condition	mean	min	max
4 h after light	0.228734	0.0	0.457468
8 h after light	0.0	0.0	0.0
12 h after light	0.422431	0.0	0.844862
4 h after dark	0.5394276666666666	0.0	1.022
8 h after dark	0.6484376666666667	0.0	1.23788
12 h after dark	0.0	0.0	0.0