condition mean min max 3 h after light 0.17497896666666668 0.0712529 0.351105 6 h after light 0.044357733333333337 0.0 0.0889332 9 h after light 0.0166462 0.0 0.0499386 12 h after light 0.085137825 0.0383997 0.181356 3 h after dark 0.0 0.0 0.0 6 h after dark 0.05542436666666666 0.0 0.0958749 9 h after dark 0.07195 0.0 0.21585 12 h after dark 0.0643425 0.0491647 0.0795203