condition	mean	min	max
4 h after light	8.209299999999999	7.98947	8.34966
8 h after light	8.377173333333333	7.946439999999999	8.600610000000001
12 h after light	8.10467	7.761610000000001	8.28406
4 h after dark	7.18936	6.8402899999999995	7.43231
8 h after dark	7.186883333333333	6.82039	7.511260000000001
12 h after dark	7.587796666666667	7.3410899999999994	7.76222