condition mean min max 3 h after light 8.78496 8.14243 9.84637 6 h after light 12.082763333333334 5.52679 17.8139 9 h after light 9.200716666666667 8.39459 9.92287 12 h after light 13.1671625 6.84005 18.5477 3 h after dark 18.4497 18.0263 18.8656 6 h after dark 13.551873333333333 9.59782 18.1088 9 h after dark 12.571636666666667 9.85531 17.5626 12 h after dark 8.16868 6.78853 9.54883