condition mean min max 3 h after light 2.1310000000000002 1.79587 2.30562 6 h after light 2.4342033333333335 1.80163 2.99118 9 h after light 1.8562433333333332 1.80857 1.89523 12 h after light 2.66819 1.3772 4.04682 3 h after dark 3.2392533333333335 2.41251 4.31355 6 h after dark 2.71631 1.21706 4.39679 9 h after dark 1.45076 1.01464 2.24546 12 h after dark 0.7727069999999999 0.735076 0.818163