condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0165009 0.0 0.0495027 12 h after light 0.0 0.0 0.0 3 h after dark 0.08070096666666667 0.0568613 0.113717 6 h after dark 0.016374066666666666 0.0 0.0491222 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0