condition	mean	min	max
4 h after light	3.711365	3.37432	4.04841
8 h after light	3.725955	3.58615	3.86576
12 h after light	4.298500000000001	3.8967	4.7003
4 h after dark	6.3223400000000005	6.06208	6.5826
8 h after dark	6.115489999999999	5.7973	6.43368
12 h after dark	5.696935	5.34354	6.05033