condition mean min max 3 h after light 1.7500983333333333 0.526455 2.68176 6 h after light 0.8098843333333333 0.492819 1.00841 9 h after light 0.391264 0.10501 0.638797 12 h after light 1.22150425 0.149849 3.32188 3 h after dark 0.8236646666666666 0.531039 1.2711 6 h after dark 1.691382 0.862946 2.28344 9 h after dark 1.7348966666666665 1.18244 2.47158 12 h after dark 1.6740300000000001 1.38388 1.96418