condition	mean	min	max
4 h after light	17.1	17.1	17.1
8 h after light	2.4	1.2	3.6
12 h after light	15.7	12.5	18.9
4 h after dark	2.8	1.1	4.5
8 h after dark	7.45	5.9	9.0
12 h after dark	11.15	1.1	21.2