condition mean min max 4 h after light 0.01003765 0.0 0.0200753 8 h after light 0.0109619 0.0 0.0219238 12 h after light 0.02220085 0.0159866 0.0284151 4 h after dark 0.007521966666666667 0.0 0.0225659 8 h after dark 0.0312234 0.0200514 0.0468465 12 h after dark 0.009345266666666666 0.0 0.0280358