condition	mean	min	max
4 h after light	3.54461	3.3718	3.71742
8 h after light	5.629	5.16013	6.09787
12 h after light	7.7696950000000005	5.90082	9.63857
4 h after dark	13.69555	12.1621	15.229
8 h after dark	5.013655	4.50651	5.5208
12 h after dark	7.41183	6.19126	8.6324