condition	mean	min	max
4 h after light	33.1	33.1	33.1
8 h after light	15.0	14.0	16.0
12 h after light	38.2	36.6	39.8
4 h after dark	13.8	3.3	24.3
8 h after dark	16.7	5.5	27.9
12 h after dark	6.300000000000001	4.3	8.3