condition mean min max 4 h after light 6418.8469724999995 5941.526155 6896.16779 8 h after light 6483.205624 5991.948422 6974.462826 12 h after light 5363.4778815 5207.277288 5519.678475 4 h after dark 2673.6136125 2641.162168 2706.065057 8 h after dark 2447.2512455 2441.33116 2453.171331 12 h after dark 6564.059174 6564.059174 6564.059174