condition	mean	min	max
4 h after light	62.8	62.8	62.8
8 h after light	71.65	69.4	73.9
12 h after light	49.15	20.7	77.6
4 h after dark	64.35	59.6	69.1
8 h after dark	62.1	42.3	81.9
12 h after dark	55.55	52.3	58.8