condition mean min max 3 h after light 0.6480223333333334 0.409632 0.80352 6 h after light 0.444327 0.390882 0.50321 9 h after light 0.44239233333333333 0.296913 0.536123 12 h after light 0.9198635 0.849738 1.05425 3 h after dark 1.51334 1.1189 1.98421 6 h after dark 2.799383333333333 2.31795 3.19201 9 h after dark 1.57506 1.13097 1.8694 12 h after dark 0.6232905 0.501222 0.745359