condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.06296733333333333 0.0 0.188902 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.10286266666666666 0.0 0.308588 12 h after dark 0.1164115 0.0 0.232823