condition	mean	min	max
4 h after light	6.120100000000001	5.0342	7.206
8 h after light	5.05138	4.90054	5.20222
12 h after light	5.906370000000001	5.6832	6.12954
4 h after dark	6.588336666666667	5.94033	7.14606
8 h after dark	6.98836	6.93792	7.07385
12 h after dark	6.06353	5.86973	6.24088