condition	mean	min	max
4 h after light	50.7	50.7	50.7
8 h after light	20.45	4.0	36.9
12 h after light	27.55	4.7	50.4
4 h after dark	48.5	41.7	55.3
8 h after dark	61.55	41.3	81.8
12 h after dark	31.4	16.8	46.0