condition	mean	min	max
4 h after light	2.289605	1.79049	2.78872
8 h after light	6.46658	5.93339	6.99977
12 h after light	7.17838	6.88997	7.46679
4 h after dark	31.2414	28.6118	33.871
8 h after dark	60.3228	58.3481	62.2975
12 h after dark	24.848550000000003	23.0987	26.5984