condition	mean	min	max
4 h after light	5.403383333333333	5.30682	5.4793199999999995
8 h after light	5.457416666666667	5.336790000000001	5.69386
12 h after light	5.56245	5.45024	5.75488
4 h after dark	5.443779999999999	5.3301099999999995	5.60826
8 h after dark	5.575	5.4130199999999995	5.8852400000000005
12 h after dark	5.41446	5.3223199999999995	5.5528900000000005