condition	mean	min	max
4 h after light	5.99133	5.81557	6.1889199999999995
8 h after light	5.89173	5.77629	5.99116
12 h after light	5.692643333333334	5.4846	5.9162
4 h after dark	5.78777	5.75474	5.84706
8 h after dark	5.737893333333333	5.31492	6.1094599999999994
12 h after dark	5.772096666666666	5.71948	5.85785