condition	mean	min	max
4 h after light	4.8	4.8	4.8
8 h after light	7.35	6.8	7.9
12 h after light	35.3	24.8	45.8
4 h after dark	7.4	6.8	8.0
8 h after dark	4.25	4.0	4.5
12 h after dark	4.8	3.1	6.5