condition	mean	min	max
4 h after light	1.610605	1.53026	1.69095
8 h after light	4.133315	3.7758	4.49083
12 h after light	4.343035	3.97139	4.71468
4 h after dark	5.541905	5.24843	5.83538
8 h after dark	4.864855	4.27308	5.45663
12 h after dark	3.67763	3.34849	4.00677