condition mean min max 3 h after light 5.467006666666666 4.82422 6.16644 6 h after light 8.7739 6.2287 10.7792 9 h after light 45.392466666666664 43.4507 47.7137 12 h after light 87.55903333333333 76.9511 100.566 3 h after dark 67.78693333333334 65.253 69.4444 6 h after dark 76.5762 70.6972 86.5722 9 h after dark 46.9097 41.5954 50.2234 12 h after dark 11.38078 9.35834 14.1823