condition	mean	min	max
4 h after light	2.8	2.8	2.8
8 h after light	2.6	2.2	3.0
12 h after light	2.65	1.9	3.4
4 h after dark	7.05	2.4	11.7
8 h after dark	6.5	5.6	7.4
12 h after dark	3.0	2.3	3.7