condition	mean	min	max
4 h after light	5.131726666666666	4.9907	5.24937
8 h after light	5.23057	5.19876	5.26481
12 h after light	4.978216666666667	4.88299	5.0385800000000005
4 h after dark	5.0779000000000005	4.94496	5.198230000000001
8 h after dark	5.09846	5.0217	5.20066
12 h after dark	5.141916666666667	5.04074	5.23445