condition mean min max 3 h after light 0.06912166666666666 0.0 0.207365 6 h after light 0.0 0.0 0.0 9 h after light 0.038622333333333335 0.0 0.115867 12 h after light 0.0 0.0 0.0 3 h after dark 0.17357066666666665 0.0 0.35889 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.022173 0.0 0.066519