condition	mean	min	max
4 h after light	181.1	181.1	181.1
8 h after light	126.75	107.6	145.9
12 h after light	174.45	165.0	183.9
4 h after dark	115.0	90.5	139.5
8 h after dark	98.55	68.4	128.7
12 h after dark	102.6	94.3	110.9