condition	mean	min	max
4 h after light	15.332809	14.577886	16.087732
8 h after light	13.4479425	11.828802	15.067083
12 h after light	13.065676	12.584876	13.546476
4 h after dark	16.683989	16.15923	17.208748
8 h after dark	11.333523	10.083845	12.583201
12 h after dark	11.569798	11.569798	11.569798