condition mean min max 3 h after light 0.02197903333333333 0.0 0.0659371 6 h after light 0.1799318 0.0937604 0.228097 9 h after light 0.0606568 0.0464386 0.0841692 12 h after light 0.11044799999999999 0.0 0.248413 3 h after dark 0.664133 0.266708 0.872265 6 h after dark 0.257066 0.228971 0.27649 9 h after dark 0.0747018 0.0 0.145734 12 h after dark 0.1233915 0.0 0.246783