condition mean min max 3 h after light 0.0330731 0.0 0.0992193 6 h after light 0.12147346666666667 0.0 0.309618 9 h after light 0.1315508 0.0467604 0.244878 12 h after light 0.21133833333333332 0.148777 0.272868 3 h after dark 0.348203 0.210228 0.45787 6 h after dark 0.07356296666666667 0.0 0.160865 9 h after dark 0.15579700000000002 0.0 0.34626 12 h after dark 0.11200773333333333 0.0744936 0.17742