condition	mean	min	max
4 h after light	53.6	53.6	53.6
8 h after light	71.55	62.6	80.5
12 h after light	65.95	54.2	77.7
4 h after dark	61.3	61.3	61.3
8 h after dark	48.45	39.1	57.8
12 h after dark	28.4	24.7	32.1