condition	mean	min	max
0 h after light	0.0317621	0.0	0.0635242
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.03148915	0.0	0.0629783
12 h after dark	0.0	0.0	0.0