condition mean min max 4 h after light 30.781950000000002 29.2632 32.3007 8 h after light 26.013550000000002 25.5085 26.5186 12 h after light 19.106749999999998 15.0122 23.2013 4 h after dark 23.223933333333335 22.146 24.7848 8 h after dark 21.772166666666667 20.4803 22.4248 12 h after dark 30.781033333333333 29.5803 31.5386