condition	mean	min	max
4 h after light	5.0168333333333335	0.0	15.0505
8 h after light	0.0	0.0	0.0
12 h after light	0.217016	0.0	0.651048
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0