condition mean min max 4 h after light 1128.40091 936.665011 1320.136809 8 h after light 639.2978495 586.967659 691.62804 12 h after light 550.9364330000001 543.528807 558.344059 4 h after dark 546.9008615 452.108128 641.693595 8 h after dark 600.098557 508.569074 691.62804 12 h after dark 1455.532076 1455.532076 1455.532076