condition mean min max 4 h after light 186.463801 155.242685 217.684917 8 h after light 478.2310305 392.539749 563.922312 12 h after light 459.173417 443.987083 474.359751 4 h after dark 556.4144229999999 405.160112 707.668734 8 h after dark 307.438914 203.255157 411.622671 12 h after dark 271.663584 271.663584 271.663584