condition	mean	min	max
4 h after light	4.6945	3.83563	5.55337
8 h after light	3.6336649999999997	3.13189	4.13544
12 h after light	2.464945	1.6436	3.28629
4 h after dark	6.091325	5.68449	6.49816
8 h after dark	6.30862	6.12802	6.48922
12 h after dark	7.21075	6.5977	7.8238