condition	mean	min	max
4 h after light	7.6862955	7.153047	8.219544
8 h after light	7.242338	7.085576	7.3991
12 h after light	7.648388	7.168291	8.128485
4 h after dark	6.800018	6.633328	6.966708
8 h after dark	7.723413	6.299256	9.14757
12 h after dark	7.551436	7.551436	7.551436