condition mean min max 3 h after light 5.43259 3.74847 7.41654 6 h after light 5.183723333333333 3.45381 6.34137 9 h after light 5.3568 5.09963 5.616 12 h after light 8.51144 7.30901 10.1034 3 h after dark 9.819566666666667 9.04605 10.8992 6 h after dark 8.47583 8.13513 9.01803 9 h after dark 7.65898 5.53713 9.10585 12 h after dark 11.5176 10.4056 12.6296