condition	mean	min	max
4 h after light	14.0	14.0	14.0
8 h after light	5.4	2.8	8.0
12 h after light	20.85	4.5	37.2
4 h after dark	7.95	5.0	10.9
8 h after dark	24.7	23.2	26.2
12 h after dark	18.25	3.8	32.7