condition	mean	min	max
0 h after light	0.0450476	0.0	0.0900952
4 h after light	0.04581845	0.0	0.0916369
8 h after light	0.02288705	0.0	0.0457741
4 h after dark	0.02208185	0.0	0.0441637
8 h after dark	0.02214365	0.0	0.0442873
12 h after dark	0.0	0.0	0.0