condition mean min max 4 h after light 405.4809485 311.114456 499.847441 8 h after light 638.783537 559.070308 718.496766 12 h after light 559.657672 340.104697 779.210647 4 h after dark 1052.581701 863.616672 1241.54673 8 h after dark 963.287755 810.275185 1116.300325 12 h after dark 447.649305 447.649305 447.649305