condition	mean	min	max
4 h after light	15.8	15.8	15.8
8 h after light	3.5	3.3	3.7
12 h after light	9.25	1.1	17.4
4 h after dark	4.0	1.9	6.1
8 h after dark	1.2	1.0	1.4
12 h after dark	3.5500000000000003	2.7	4.4