condition	mean	min	max
4 h after light	27.7	27.7	27.7
8 h after light	10.25	7.4	13.1
12 h after light	34.25	13.5	55.0
4 h after dark	39.1	29.1	49.1
8 h after dark	4.65	2.8	6.5
12 h after dark	5.85	4.5	7.2