condition mean min max 3 h after light 1.65704 1.26405 2.27848 6 h after light 2.1109533333333332 1.72842 2.77879 9 h after light 1.98867 1.41066 2.96618 12 h after light 2.5447 1.39409 3.13371 3 h after dark 6.560793333333333 5.576 8.4369 6 h after dark 5.37295 4.88106 5.99268 9 h after dark 6.105393333333334 4.53497 8.63737 12 h after dark 3.75539 2.40054 5.8245