condition mean min max 4 h after light 446.3149555 405.241551 487.38836 8 h after light 450.874137 449.75714 451.991134 12 h after light 404.870742 351.179547 458.561937 4 h after dark 335.16530850000004 250.547301 419.783316 8 h after dark 339.4217105 302.933235 375.910186 12 h after dark 500.017618 500.017618 500.017618