condition mean min max 4 h after light 58.0552 57.2318 58.8786 8 h after light 57.5346 56.3886 58.6806 12 h after light 75.29155 73.6178 76.9653 4 h after dark 84.6554 82.9633 86.3475 8 h after dark 78.27575 75.239 81.3125 12 h after dark 71.08375000000001 68.5728 73.5947