condition mean min max 4 h after light 309.1525315 271.853806 346.451257 8 h after light 349.721001 328.11458 371.327422 12 h after light 344.5500895 335.637353 353.462826 4 h after dark 321.48873100000003 297.95874 345.018722 8 h after dark 288.8941985 281.873641 295.914756 12 h after dark 253.448122 253.448122 253.448122