condition	mean	min	max
4 h after light	10.4261315	9.04722	11.805043
8 h after light	9.500691	8.371522	10.62986
12 h after light	8.567556	8.209044	8.926068
4 h after dark	8.470574	8.401816	8.539332
8 h after dark	8.0473365	7.425612	8.669061
12 h after dark	7.620193	7.620193	7.620193