condition	mean	min	max
4 h after light	6.15912	5.8467	6.47154
8 h after light	6.999405	6.97944	7.01937
12 h after light	5.2503150000000005	4.76786	5.73277
4 h after dark	7.370373333333333	6.10677	9.10541
8 h after dark	6.709206666666667	5.95847	7.3975
12 h after dark	6.280243333333333	5.4904	7.48914