condition mean min max 3 h after light 0.380095 0.223943 0.549327 6 h after light 0.294085 0.217896 0.407589 9 h after light 0.286195 0.130138 0.41079 12 h after light 0.55385225 0.256055 0.882922 3 h after dark 0.9598376666666667 0.564852 1.72551 6 h after dark 0.6972646666666666 0.525607 0.973306 9 h after dark 0.8163786666666667 0.611888 1.0235 12 h after dark 0.992292 0.564774 1.41981