condition	mean	min	max
4 h after light	33.5	33.5	33.5
8 h after light	15.45	4.6	26.3
12 h after light	20.65	12.4	28.9
4 h after dark	24.55	4.4	44.7
8 h after dark	15.25	8.7	21.8
12 h after dark	15.85	6.2	25.5