condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
4 h after dark	3.02146	0.0	6.04292
8 h after dark	3.05545	0.0	6.1109
12 h after dark	0.0	0.0	0.0