condition mean min max 4 h after light 21.9663 18.0069 25.9257 8 h after light 20.009149999999998 19.2603 20.758 12 h after light 19.39045 17.4498 21.3311 4 h after dark 28.7344 27.3869 30.1675 8 h after dark 28.743966666666665 26.6587 31.5629 12 h after dark 25.094133333333332 23.2645 27.2931