condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03486533333333333 0.0 0.104596 12 h after light 0.020438266666666666 0.0 0.0613148 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0