condition mean min max 3 h after light 23.47426666666667 23.0573 23.7828 6 h after light 60.659533333333336 54.9289 63.6029 9 h after light 131.1 117.972 138.153 12 h after light 121.0624 72.7635 218.103 3 h after dark 185.451 153.909 218.594 6 h after dark 140.888 134.44 153.719 9 h after dark 126.065 118.712 133.363 12 h after dark 295.8505 244.451 347.25