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	3.9210149999999997	3.37081	4.47122
4 h after dark	2.96755	2.94625	2.98885
8 h after dark	0.0	0.0	0.0
12 h after dark	6.578575	5.81424	7.34291