condition	mean	min	max
4 h after light	87.8	87.8	87.8
8 h after light	32.55	29.3	35.8
12 h after light	45.05	20.6	69.5
4 h after dark	48.65	26.5	70.8
8 h after dark	76.2	42.4	110.0
12 h after dark	12.3	3.0	21.6