condition	mean	min	max
4 h after light	6.8895	3.9101	9.41299
8 h after light	6.141343333333333	1.55847	10.1816
12 h after light	7.7033233333333335	4.45086	12.5029
4 h after dark	9.177693333333334	5.95258	11.3765
8 h after dark	7.79078	4.85941	9.97704
12 h after dark	8.119	7.19221	9.78588