condition mean min max 4 h after light 0.5141830000000001 0.221714 0.806652 8 h after light 0.29992199999999997 0.24058 0.359264 12 h after light 0.667835 0.365646 0.970024 4 h after dark 0.9972025 0.907795 1.08661 8 h after dark 1.3245 1.07947 1.56953 12 h after dark 1.150108 0.849616 1.4506