condition	mean	min	max
4 h after light	0.7	0.7	0.7
8 h after light	2.3	2.0	2.6
12 h after light	4.05	0.6	7.5
4 h after dark	23.05	4.5	41.6
8 h after dark	2.45	2.1	2.8
12 h after dark	9.15	4.9	13.4