condition	mean	min	max
4 h after light	5.86349	5.808669999999999	5.9705699999999995
8 h after light	5.9872733333333334	5.70812	6.25849
12 h after light	5.9315	5.75506	6.205419999999999
4 h after dark	6.150136666666667	5.88858	6.5152
8 h after dark	6.55044	6.31888	6.737080000000001
12 h after dark	6.1050933333333335	5.99266	6.2079