condition mean min max 3 h after light 4.420260833333334 2.17435 6.1555 7 h after light 4.018470833333334 2.38551 6.00507 11 h after light 3.5418091666666665 1.74678 5.16967 2 h after dark 3.4971825 1.6265 5.02627 6 h after dark 4.481085833333333 2.26754 8.18555 10 h after dark 5.124719166666667 3.51007 9.01025