condition mean min max 4 h after light 269.9613665 237.898584 302.024149 8 h after light 292.246927 279.954105 304.539749 12 h after light 314.4808575 291.889879 337.071836 4 h after dark 342.853475 302.560619 383.146331 8 h after dark 295.819205 287.098661 304.539749 12 h after dark 325.770518 325.770518 325.770518