condition mean min max 3 h after light 4.901166666666667 3.93307 5.60609 6 h after light 5.433243333333333 3.99189 6.39679 9 h after light 6.07497 5.5829 6.55973 12 h after light 6.65003 6.07631 7.03439 3 h after dark 6.250606666666667 5.87312 6.57688 6 h after dark 6.6184199999999995 5.89155 7.02868 9 h after dark 6.02797 5.59909 6.29461 12 h after dark 6.137286666666666 4.97094 6.78576