condition	mean	min	max
4 h after light	7.37273	7.24078	7.4514
8 h after light	7.33159	7.253760000000001	7.430739999999999
12 h after light	7.9531133333333335	7.904730000000001	7.99775
4 h after dark	7.68887	7.636989999999999	7.742380000000001
8 h after dark	7.534606666666667	7.46374	7.59456
12 h after dark	7.508436666666666	7.331980000000001	7.63581