condition	mean	min	max
4 h after light	7.36421	6.05472	8.6737
8 h after light	4.684355	4.67058	4.69813
12 h after light	5.43844	5.37679	5.50009
4 h after dark	2.10189	1.26081	3.56787
8 h after dark	4.26481	2.97627	5.52739
12 h after dark	4.18491777	3.31e-06	6.90487