condition	mean	min	max
4 h after light	16.4	16.4	16.4
8 h after light	62.1	51.7	72.5
12 h after light	93.25	84.7	101.8
4 h after dark	54.35	46.6	62.1
8 h after dark	71.9	53.3	90.5
12 h after dark	36.15	10.4	61.9