condition	mean	min	max
4 h after light	7.870570000000001	6.92073	8.82041
8 h after light	16.0426	15.6333	16.4519
12 h after light	12.46335	11.1117	13.815
4 h after dark	14.235466666666666	13.6503	15.3218
8 h after dark	12.223466666666667	10.7597	12.9908
12 h after dark	10.455729999999999	9.01973	13.024