condition	mean	min	max
4 h after light	5.1568950000000005	4.51874	5.79505
8 h after light	5.502815	5.35909	5.64654
12 h after light	6.519305	6.38333	6.65528
4 h after dark	9.037573333333333	7.6842	9.9613
8 h after dark	8.64573	8.4223	8.90738
12 h after dark	6.110633333333333	4.80852	7.38221