condition	mean	min	max
4 h after light	6.44109	6.03092	6.702539999999999
8 h after light	5.507656666666667	5.12973	5.87555
12 h after light	6.1652233333333335	5.94196	6.39654
4 h after dark	5.84508	5.46539	6.25359
8 h after dark	6.19169	6.09167	6.38342
12 h after dark	6.6147133333333334	6.22419	7.05732