condition	mean	min	max
4 h after light	16.8	16.8	16.8
8 h after light	4.2	2.9	5.5
12 h after light	8.7	7.3	10.1
4 h after dark	14.1	11.0	17.2
8 h after dark	7.300000000000001	4.8	9.8
12 h after dark	3.5999999999999996	3.4	3.8