condition mean min max 2 h after light 866.5068333333334 658.535 1102.82 6 h after light 770.5321666666666 580.143 1019.58 10 h after light 1062.9618333333333 869.912 1316.53 14 h after light 932.858 717.992 1170.97 18 h after light 774.887 475.835 1151.05 2 h after dark 488.8521666666667 469.949 517.157