condition mean min max 4 h after light 151.1239645 134.876932 167.370997 8 h after light 118.10733400000001 114.828765 121.385903 12 h after light 117.9596415 112.358385 123.560898 4 h after dark 82.6894395 67.819269 97.55961 8 h after dark 86.346206 70.385709 102.306703 12 h after dark 169.30898 169.30898 169.30898