condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	28.5	19.8	37.2
12 h after light	44.25	42.6	45.9
4 h after dark	37.05	35.8	38.3
8 h after dark	53.45	49.1	57.8
12 h after dark	32.4	31.4	33.4