condition	mean	min	max
4 h after light	7.8	7.8	7.8
8 h after light	2.2	1.6	2.8
12 h after light	6.550000000000001	5.7	7.4
4 h after dark	9.950000000000001	1.6	18.3
8 h after dark	13.55	3.8	23.3
12 h after dark	5.15	5.1	5.2