condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0172023 0.0 0.0516069 12 h after light 0.12922633333333333 0.0 0.387679 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.039413666666666666 0.0 0.118241