condition	mean	min	max
3 h after light	6.39624	5.40204	7.39948
6 h after light	5.62191	5.36082	5.87955
9 h after light	5.331823333333333	4.76533	6.12955
12 h after light	6.2303825	5.13933	7.04134
3 h after dark	6.15585	6.0917	6.26797
6 h after dark	6.456393333333334	6.10156	6.75829
9 h after dark	5.053296666666666	4.62305	5.47807
12 h after dark	5.163815	4.67742	5.65021