condition mean min max 2 h after light 1.4370133333333335 1.2954 1.6069 6 h after light 0.5510136666666666 0.123295 0.835066 10 h after light 1.78485 1.62789 2.08653 2 h after dark 1.328638 0.589134 1.70547 6 h after dark 0.757242 0.321569 1.23101 10 h after dark 0.559884 0.167736 1.21892