condition	mean	min	max
4 h after light	13.3	13.3	13.3
8 h after light	3.65	3.5	3.8
12 h after light	6.85	2.6	11.1
4 h after dark	19.55	13.0	26.1
8 h after dark	18.4	3.4	33.4
12 h after dark	3.1999999999999997	1.3	5.1