condition	mean	min	max
4 h after light	7.034776	6.857612	7.21194
8 h after light	6.6871005	5.916338	7.457863
12 h after light	6.9593615	6.82982	7.088903
4 h after dark	7.170946000000001	7.129952	7.21194
8 h after dark	7.101276	6.990612	7.21194
12 h after dark	8.22303	8.22303	8.22303