condition	mean	min	max
4 h after light	45.3	45.3	45.3
8 h after light	33.05	14.0	52.1
12 h after light	23.9	18.3	29.5
4 h after dark	9.75	5.0	14.5
8 h after dark	29.55	12.5	46.6
12 h after dark	36.65	10.3	63.0