condition	mean	min	max
4 h after light	5.1	5.1	5.1
8 h after light	5.35	5.2	5.5
12 h after light	20.15	4.9	35.4
4 h after dark	54.05	36.6	71.5
8 h after dark	10.5	4.2	16.8
12 h after dark	35.65	19.7	51.6