condition mean min max 4 h after light 0.0065171 0.0 0.0130342 8 h after light 0.0525188 0.0284687 0.0765689 12 h after light 0.04636435 0.0341618 0.0585669 4 h after dark 0.032812233333333336 0.0 0.0984367 8 h after dark 0.086869 0.0 0.182495 12 h after dark 0.05598813333333333 0.0 0.107289