condition	mean	min	max
4 h after light	10.8	10.8	10.8
8 h after light	38.05	28.0	48.1
12 h after light	20.55	7.6	33.5
4 h after dark	21.25	7.3	35.2
8 h after dark	26.4	16.0	36.8
12 h after dark	4.3	3.5	5.1