condition	mean	min	max
4 h after light	5.076255	4.87962	5.27289
8 h after light	6.344315	6.13662	6.55201
12 h after light	8.556574999999999	8.54276	8.57039
4 h after dark	10.287695	9.56429	11.0111
8 h after dark	8.48811	8.45057	8.52565
12 h after dark	6.830115	6.59572	7.06451