condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02144815 0.0143291 0.0285672 12 h after light 0.0 0.0 0.0 4 h after dark 0.0085011 0.0 0.0255033 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0