condition mean min max 4 h after light 574.0977435 507.262374 640.933113 8 h after light 677.0298580000001 576.235122 777.824594 12 h after light 657.6927895 636.593613 678.791966 4 h after dark 531.4320925 529.847441 533.016744 8 h after dark 341.50038500000005 340.69179 342.30898 12 h after dark 352.159153 352.159153 352.159153