condition	mean	min	max
4 h after light	5.421950000000001	5.239380000000001	5.72848
8 h after light	6.51516	6.32674	6.81866
12 h after light	7.214663333333334	6.874160000000001	7.606560000000001
4 h after dark	5.44588	5.31839	5.58094
8 h after dark	5.15851	4.96559	5.38211
12 h after dark	5.074386666666667	4.79433	5.41849