condition	mean	min	max
0 h after light	2.63635	2.38185	2.89085
4 h after light	2.9153149999999997	2.89031	2.94032
8 h after light	2.4616350000000002	2.34021	2.58306
4 h after dark	2.846355	2.78914	2.90357
8 h after dark	2.830905	2.72953	2.93228
12 h after dark	3.03142	2.99804	3.0648