condition	mean	min	max
4 h after light	7.1288	5.94615	8.31145
8 h after light	4.537795	3.85253	5.22306
12 h after light	4.149645	3.40444	4.89485
4 h after dark	4.952843333333333	4.20568	5.35475
8 h after dark	6.803513333333333	5.61275	7.74102
12 h after dark	6.062353333333333	5.64622	6.29559