condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	1.015075	0.0	2.03015
8 h after light	0.0	0.0	0.0
4 h after dark	1.01514	0.0	2.03028
8 h after dark	2.027945	0.0	4.05589
12 h after dark	0.0	0.0	0.0