condition	mean	min	max
4 h after light	7.462250000000001	6.4896	8.4349
8 h after light	8.638145	7.94839	9.3279
12 h after light	7.732335	7.0959	8.36877
4 h after dark	53.88603333333333	53.3957	54.7881
8 h after dark	12.534633333333334	11.9215	13.3135
12 h after dark	13.720366666666667	11.0959	16.5805