condition	mean	min	max
0 h after light	0.01498635	0.0	0.0299727
4 h after light	0.0	0.0	0.0
8 h after light	0.0152552	0.0	0.0305104
4 h after dark	0.0147185	0.0	0.029437
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0