condition	mean	min	max
4 h after light	4.57004	4.3247599999999995	4.79484
8 h after light	4.71518	4.50061	5.0054300000000005
12 h after light	4.58583	4.39766	4.73618
4 h after dark	4.82738	4.63265	5.04298
8 h after dark	4.624133333333333	4.50456	4.85911
12 h after dark	4.53185	4.4782	4.60421