condition	mean	min	max
4 h after light	4.753245	4.43688	5.06961
8 h after light	4.290005	4.03027	4.54974
12 h after light	4.367565	4.13843	4.5967
4 h after dark	5.691543333333334	5.65716	5.755
8 h after dark	6.082943333333334	5.84068	6.49306
12 h after dark	5.81893	5.30407	6.78155