condition mean min max 4 h after light 808.2710685 584.504806 1032.037331 8 h after light 677.7367999999999 580.462826 775.010774 12 h after light 711.0213145 629.563923 792.478706 4 h after dark 1111.096746 1018.286696 1203.906796 8 h after dark 1168.176403 1139.047533 1197.305273 12 h after dark 2533.039749 2533.039749 2533.039749