condition mean min max 2 h after light 11.758165 7.78226 14.9098 6 h after light 16.742966666666668 11.6033 21.7393 10 h after light 27.038 15.4597 40.7292 14 h after light 28.02935 18.6329 36.9693 18 h after light 19.659533333333332 11.8975 32.5364 2 h after dark 13.864148333333333 7.63907 20.3371