condition mean min max 0 h after light 0.3443845 0.171962 0.516807 4 h after light 0.43095249999999996 0.423863 0.438042 8 h after light 0.12882675 0.0875235 0.17013 4 h after dark 0.3813342 0.0844444 0.678224 8 h after dark 0.722997 0.677445 0.768549 12 h after dark 0.5497095 0.343462 0.755957