condition	mean	min	max
4 h after light	2.608315	1.86865	3.34798
8 h after light	4.628869999999999	4.08698	5.17076
12 h after light	19.2864	19.256	19.3168
4 h after dark	17.393349999999998	17.1926	17.5941
8 h after dark	9.571629999999999	9.37882	9.76444
12 h after dark	6.03559	5.98213	6.08905