condition	mean	min	max
4 h after light	5.276956666666666	5.1336699999999995	5.5128699999999995
8 h after light	5.178706666666667	4.99011	5.51825
12 h after light	5.1489199999999995	5.02776	5.378909999999999
4 h after dark	5.1607400000000005	5.033	5.412780000000001
8 h after dark	5.2556433333333334	5.0868199999999995	5.54251
12 h after dark	5.34425	5.10859	5.80425