condition	mean	min	max
4 h after light	6.19397	4.62201	7.76593
8 h after light	6.00207	5.79268	6.21146
12 h after light	6.3021899999999995	6.14072	6.46366
4 h after dark	7.109533333333333	6.74333	7.33125
8 h after dark	7.647833333333334	6.41818	8.35758
12 h after dark	7.647156666666667	7.19946	8.02804