condition mean min max 4 h after light 425.1980255 301.682005 548.714046 8 h after light 446.4418925 439.036344 453.847441 12 h after light 456.9943205 368.945333 545.043308 4 h after dark 686.943057 596.560207 777.325907 8 h after dark 887.1971455 445.680869 1328.713422 12 h after dark 724.42912 724.42912 724.42912