condition mean min max 1 h after light 18.100685246666664 16.91011536 18.83091961 3 h after light 16.277172763333333 13.81278358 19.78148845 5 h after light 18.731002753333332 13.81738519 22.76848559 7 h after light 17.328053883333332 12.64182583 21.06737029 9 h after light 17.25151178666667 12.71617555 21.24823796 11 h after light 21.35421831 19.21393873 25.3260607 13 h after light 21.15476495 19.13400466 23.14347859 15 h after light 22.41385688333333 18.73446057 28.033257199999998 1 h after dark 15.647948363333333 12.08376545 17.6385957 3 h after dark 19.937683916666668 15.29648719 24.84779237 5 h after dark 18.451438686666666 17.54253812 19.81229636 7 h after dark 27.1364113 24.41618089 29.02501429