condition mean min max 2 h after light 0.7439381666666667 0.0 1.31618 6 h after light 0.38776883333333334 0.0 0.816017 10 h after light 0.269928 0.0 1.34355 14 h after light 0.433573 0.0 0.702008 18 h after light 0.3408205 0.197259 0.551952 2 h after dark 0.6695796666666667 0.290014 1.34939