condition	mean	min	max
4 h after light	4.49571	3.6638	5.32762
8 h after light	2.916895	2.73241	3.10138
12 h after light	3.211005	3.18355	3.23846
4 h after dark	3.50657	3.19523	3.77474
8 h after dark	5.319726666666667	5.18096	5.51366
12 h after dark	6.319396666666667	6.04945	6.76862