condition	mean	min	max
4 h after light	5.851436666666666	5.76119	5.95752
8 h after light	5.845493333333334	5.67895	6.042730000000001
12 h after light	5.8350100000000005	5.58439	6.09161
4 h after dark	5.933683333333334	5.78792	6.15296
8 h after dark	5.901536666666667	5.48726	6.3323
12 h after dark	5.95971	5.80593	6.24812