condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.03443915	0.0	0.0688783
8 h after dark	0.084463	0.034025	0.134901
12 h after dark	0.0	0.0	0.0