condition	mean	min	max
4 h after light	0.02466885	0.0	0.0493377
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.04272175	0.0	0.0854435
12 h after dark	0.0535895	0.0	0.107179