condition	mean	min	max
4 h after light	7.1711100000000005	6.67351	7.66871
8 h after light	6.144395	5.75961	6.52918
12 h after light	2.908835	1.77493	4.04274
4 h after dark	5.065716666666667	3.79246	6.62018
8 h after dark	5.49751	4.92466	6.17296
12 h after dark	9.176273333333334	6.57733	12.9801