condition	mean	min	max
4 h after light	8.487473333333334	8.3901	8.66606
8 h after light	8.52377	8.38883	8.72878
12 h after light	8.777226666666667	8.647969999999999	9.019810000000001
4 h after dark	8.613583333333334	8.53326	8.767710000000001
8 h after dark	8.341483333333333	8.307789999999999	8.38975
12 h after dark	8.371929999999999	8.305019999999999	8.43603