condition mean min max 0 h after light 0.0237803 0.0 0.0475606 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0490243 0.0489311 0.0491175 12 h after light 0.0 0.0 0.0 2 h after dark 0.026618 0.0 0.053236 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0253842 0.0 0.0507684