condition mean min max 1 h after light 9.1912934275 7.976473785 10.40611307 3 h after light 12.184651793333334 11.27605244 13.60089374 5 h after light 13.97519153 12.94349023 15.09629917 7 h after light 13.763275286666666 11.32824118 16.39430602 9 h after light 15.376275963333333 14.44205721 17.05178468 11 h after light 15.962788736666667 15.34243489 17.02695633 13 h after light 17.62170482333333 15.53235508 21.07277271 15 h after light 16.74295823 15.87156552 17.83837919 1 h after dark 19.710847063333333 18.64060607 20.57900983 3 h after dark 17.79028323 13.36067691 24.33648349 5 h after dark 17.38351605 16.14921283 18.47177885 7 h after dark 14.341255233333333 11.90934514 17.48420646