condition	mean	min	max
4 h after light	52.2	52.2	52.2
8 h after light	46.1	43.5	48.7
12 h after light	48.65	34.3	63.0
4 h after dark	70.75	59.9	81.6
8 h after dark	65.65	58.4	72.9
12 h after dark	42.55	27.9	57.2