condition mean min max 2 h after light 1.0841335 0.6155 1.81703 6 h after light 0.496457 0.219742 1.32032 10 h after light 1.3041283333333333 0.414143 2.71175 14 h after light 1.1544148333333333 0.571912 2.12642 18 h after light 0.27953016666666664 0.0 0.704618 2 h after dark 1.0004255 0.339127 1.84362