condition	mean	min	max
4 h after light	5.35703	5.17732	5.59504
8 h after light	5.41064	5.30138	5.5521
12 h after light	5.516626666666666	5.2796199999999995	5.7775099999999995
4 h after dark	5.41074	5.153569999999999	5.75622
8 h after dark	5.47058	5.41752	5.512580000000001
12 h after dark	5.557086666666667	5.32645	5.78681