condition mean min max 4 h after light 137.6964765 124.893794 150.499159 8 h after light 175.181273 143.543562 206.818984 12 h after light 207.2747195 199.985926 214.563513 4 h after dark 287.226273 229.212178 345.240368 8 h after dark 157.34905700000002 141.616672 173.081442 12 h after dark 179.033089 179.033089 179.033089