condition	mean	min	max
4 h after light	4.6523666666666665	4.54685	4.78291
8 h after light	4.6902	4.50976	4.94551
12 h after light	4.609823333333333	4.5385	4.71988
4 h after dark	4.6484	4.5563199999999995	4.7714099999999995
8 h after dark	4.673866666666667	4.64516	4.714930000000001
12 h after dark	4.63422	4.52545	4.74366