condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	4.75	4.5	5.0
12 h after light	16.0	2.4	29.6
4 h after dark	4.3	4.1	4.5
8 h after dark	4.15	3.8	4.5
12 h after dark	13.65	2.6	24.7