condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	61.2	60.9	61.5
12 h after light	3.8	3.7	3.9
4 h after dark	7.550000000000001	6.2	8.9
8 h after dark	12.2	9.1	15.3
12 h after dark	1.9	1.7	2.1