condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	52.3	41.8	62.8
12 h after light	43.55	30.6	56.5
4 h after dark	32.05	4.6	59.5
8 h after dark	29.45	4.4	54.5
12 h after dark	60.75	42.8	78.7