condition mean min max 3 h after light 1.439913 0.539349 2.32211 6 h after light 1.7115253333333333 0.724626 2.48607 9 h after light 1.8948733333333332 1.19398 2.71228 12 h after light 3.59952 2.59438 4.1419 3 h after dark 4.05892 2.64354 5.02309 6 h after dark 3.6562733333333335 2.82365 4.6449 9 h after dark 5.82768 5.49269 6.07787 12 h after dark 6.4263 5.1904 8.85819