condition	mean	min	max
4 h after light	5.424323333333333	5.3133099999999995	5.49025
8 h after light	5.3763966666666665	5.20136	5.48131
12 h after light	5.484536666666667	5.33579	5.72635
4 h after dark	6.076716666666666	5.71856	6.4397199999999994
8 h after dark	6.14977	5.98201	6.268759999999999
12 h after dark	6.2137400000000005	6.06948	6.37413