condition	mean	min	max
4 h after light	2.182795	1.77869	2.5869
8 h after light	1.99604	1.79433	2.19775
12 h after light	2.887225	2.35033	3.42412
4 h after dark	3.36313	3.02573	3.69616
8 h after dark	3.48723	2.96791	3.82284
12 h after dark	2.3318333333333334	1.88771	2.6857