condition	mean	min	max
4 h after light	13.1	13.1	13.1
8 h after light	30.1	24.6	35.6
12 h after light	19.65	6.3	33.0
4 h after dark	14.25	5.2	23.3
8 h after dark	15.0	14.8	15.2
12 h after dark	16.35	9.5	23.2