condition	mean	min	max
4 h after light	2.5	2.5	2.5
8 h after light	15.149999999999999	6.4	23.9
12 h after light	18.0	1.3	34.7
4 h after dark	7.8	3.9	11.7
8 h after dark	7.0	3.8	10.2
12 h after dark	6.25	5.2	7.3