condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	20.95	7.4	34.5
12 h after light	33.7	2.4	65.0
4 h after dark	26.25	25.6	26.9
8 h after dark	42.7	33.9	51.5
12 h after dark	3.35	2.7	4.0