condition	mean	min	max
4 h after light	7.5	7.5	7.5
8 h after light	15.600000000000001	15.4	15.8
12 h after light	8.1	1.5	14.7
4 h after dark	3.55	1.4	5.7
8 h after dark	12.75	1.7	23.8
12 h after dark	8.35	2.4	14.3