condition mean min max 0 h after light 91.6606 88.9298 94.3914 4 h after light 82.083 80.0254 84.1406 8 h after light 92.1781 84.4911 99.8651 4 h after dark 158.3105 135.008 181.613 8 h after dark 109.9145 103.744 116.085 12 h after dark 102.75184999999999 96.5637 108.94