condition mean min max 0 h after light 596.0554999999999 544.384 647.727 2 h after light 677.7660000000001 673.806 681.726 4 h after light 657.8805 657.692 658.069 8 h after light 600.6179999999999 586.615 614.621 12 h after light 639.938 637.847 642.029 2 h after dark 558.2825 467.642 648.923 4 h after dark 593.798 577.293 610.303 8 h after dark 577.5699999999999 527.116 628.024 12 h after dark 549.8425 519.391 580.294