condition	mean	min	max
4 h after light	1.971355	1.91561	2.0271
8 h after light	2.183525	1.32952	3.03753
12 h after light	2.03307	1.77376	2.29238
4 h after dark	2.9824349999999997	2.62546	3.33941
8 h after dark	2.230165	1.82461	2.63572
12 h after dark	2.3930499999999997	2.15005	2.63605