condition	mean	min	max
4 h after light	15.9	15.9	15.9
8 h after light	55.9	39.3	72.5
12 h after light	35.7	32.4	39.0
4 h after dark	15.45	5.0	25.9
8 h after dark	27.2	7.6	46.8
12 h after dark	51.95	44.6	59.3