condition	mean	min	max
4 h after light	7.282946666666667	6.8914100000000005	7.5575
8 h after light	7.403733333333334	7.246860000000001	7.668260000000001
12 h after light	7.486933333333333	7.285419999999999	7.69298
4 h after dark	7.332256666666667	6.93027	7.6354
8 h after dark	7.45077	7.2843	7.5712
12 h after dark	7.648059999999999	7.5329999999999995	7.802039999999999