condition mean min max 3 h after light 0.2834723333333333 0.198727 0.379443 6 h after light 0.5544089999999999 0.25083 0.962768 9 h after light 0.888995 0.71263 0.98547 12 h after light 1.0074675 0.824977 1.3501 3 h after dark 1.3520973333333335 0.613922 2.31672 6 h after dark 0.8593173333333334 0.815582 0.883941 9 h after dark 0.8939356666666667 0.529077 1.12772 12 h after dark 1.008246 0.911942 1.10455