condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	12.7	2.4	23.0
12 h after light	4.05	2.6	5.5
4 h after dark	22.8	3.2	42.4
8 h after dark	4.8	2.3	7.3
12 h after dark	4.5	4.5	4.5