condition mean min max 3 h after light 1.3989163333333332 0.997189 2.12635 6 h after light 0.691789 0.253209 1.08296 9 h after light 1.2239556666666667 0.601977 2.18215 12 h after light 2.73672 1.65479 4.43903 3 h after dark 3.070473333333333 2.59285 3.33413 6 h after dark 4.40402 3.38036 6.27217 9 h after dark 4.314226666666666 3.35194 4.86793 12 h after dark 2.29666 1.88305 2.71027