condition mean min max 2 h after light 8.92098 7.3347 10.9915 6 h after light 4.65445 2.94235 5.92113 10 h after light 5.981045 3.93909 8.05347 14 h after light 5.692315 3.46383 10.1804 18 h after light 6.446768333333333 3.9804 11.1551 2 h after dark 5.7760066666666665 4.83537 7.04979