condition	mean	min	max
4 h after light	4.870456666666667	4.782369999999999	4.96282
8 h after light	4.909043333333333	4.8438300000000005	5.00165
12 h after light	5.73263	5.630730000000001	5.92184
4 h after dark	6.04918	5.68197	6.27807
8 h after dark	5.873656666666666	5.71926	6.12265
12 h after dark	5.53286	5.348990000000001	5.68685