condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	15.55	11.1	20.0
12 h after light	2.3	1.9	2.7
4 h after dark	9.8	9.5	10.1
8 h after dark	11.950000000000001	3.3	20.6
12 h after dark	4.699999999999999	4.3	5.1