condition	mean	min	max
4 h after light	5.579923333333333	4.35897	7.05613
8 h after light	10.23398	6.02314	12.8854
12 h after light	9.08925	5.49415	14.3808
4 h after dark	9.129696666666666	6.45169	10.5255
8 h after dark	8.358173333333333	5.9402	10.4328
12 h after dark	4.67576	4.22264	5.10004