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	0.0	0.0	0.0
8 h after dark	4.875135	0.0	9.75027
12 h after dark	9.59055	0.0	19.1811