condition	mean	min	max
4 h after light	5.6429366666666665	5.57912	5.731
8 h after light	5.738536666666667	5.7005300000000005	5.78001
12 h after light	5.73046	5.64804	5.8112
4 h after dark	5.6952	5.66769	5.724559999999999
8 h after dark	5.6706900000000005	5.53615	5.74559
12 h after dark	5.843543333333333	5.72354	5.96592