condition mean min max 4 h after light 176.3444005 173.84727 178.841531 8 h after light 195.177129 190.847441 199.506817 12 h after light 151.8113085 149.082868 154.539749 4 h after dark 125.890536 95.7318 156.049272 8 h after dark 128.38594799999998 89.078301 167.693595 12 h after dark 147.465249 147.465249 147.465249