condition mean min max 2 h after light 86.65186666666666 66.4373 103.911 6 h after light 82.946 69.6637 95.9642 10 h after light 78.27459999999999 62.6147 105.673 14 h after light 83.2193 51.476 104.844 18 h after light 83.9901 63.668 109.155 2 h after dark 94.602 82.3546 105.186