condition mean min max 4 h after light 159.0556185 136.956103 181.155134 8 h after light 123.97946 122.155134 125.803786 12 h after light 112.69738749999999 102.944536 122.450239 4 h after dark 126.99874 103.336595 150.660885 8 h after dark 112.8554885 94.924389 130.786588 12 h after dark 152.729466 152.729466 152.729466