condition	mean	min	max
4 h after light	8.2956555	8.175347	8.415964
8 h after light	8.260846	7.947831	8.573861
12 h after light	7.691660000000001	7.454372	7.928948
4 h after dark	7.5559125	6.902104	8.209721
8 h after dark	8.8031135	8.175347	9.43088
12 h after dark	9.296049	9.296049	9.296049