condition	mean	min	max
4 h after light	37.5	37.5	37.5
8 h after light	14.05	2.0	26.1
12 h after light	6.15	5.8	6.5
4 h after dark	10.35	7.6	13.1
8 h after dark	7.8	2.0	13.6
12 h after dark	2.65	2.4	2.9