condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	4.3	4.0	4.6
12 h after light	5.75	4.4	7.1
4 h after dark	26.15	21.8	30.5
8 h after dark	6.4	6.2	6.6
12 h after dark	3.45	2.4	4.5