condition	mean	min	max
4 h after light	52.2	52.2	52.2
8 h after light	54.7	53.8	55.6
12 h after light	54.05	51.2	56.9
4 h after dark	51.3	46.5	56.1
8 h after dark	63.3	48.8	77.8
12 h after dark	61.45	58.7	64.2