condition	mean	min	max
4 h after light	5.820783333333333	5.7531300000000005	5.8608199999999995
8 h after light	5.696336666666666	5.66472	5.71932
12 h after light	5.5979833333333335	5.4413	5.71314
4 h after dark	5.80745	5.69108	5.91263
8 h after dark	5.675813333333334	5.615880000000001	5.7567900000000005
12 h after dark	5.80209	5.71572	5.89775