condition mean min max 3 h after light 0.573914 0.343467 0.941071 6 h after light 2.2347506666666668 0.412876 5.77283 9 h after light 1.5010753333333333 0.478366 2.41934 12 h after light 1.51986475 0.488859 2.62756 3 h after dark 2.9075266666666666 1.81897 3.78933 6 h after dark 6.71933 5.10705 7.95259 9 h after dark 6.943346666666667 3.37773 12.3447 12 h after dark 1.390326 0.779202 2.00145