condition	mean	min	max
4 h after light	140.3	140.3	140.3
8 h after light	138.45	136.8	140.1
12 h after light	108.6	86.7	130.5
4 h after dark	71.1	59.5	82.7
8 h after dark	77.05	31.7	122.4
12 h after dark	64.85	60.2	69.5