condition	mean	min	max
4 h after light	6.45725	6.13558	6.77892
8 h after light	5.636265	5.60767	5.66486
12 h after light	7.873284999999999	7.56497	8.1816
4 h after dark	9.581006666666667	9.29048	9.84788
8 h after dark	8.23776	8.03781	8.45347
12 h after dark	7.514163333333333	6.99681	7.84469