condition	mean	min	max
4 h after light	12.6	12.6	12.6
8 h after light	3.65	1.7	5.6
12 h after light	11.55	5.3	17.8
4 h after dark	3.3	1.5	5.1
8 h after dark	4.8	3.8	5.8
12 h after dark	5.1	2.3	7.9