condition	mean	min	max
4 h after light	5.3805966666666665	5.08054	5.78388
8 h after light	5.34868	5.1555599999999995	5.61412
12 h after light	5.19547	4.985469999999999	5.510280000000001
4 h after dark	5.329196666666667	5.09499	5.788930000000001
8 h after dark	5.397866666666666	5.18007	5.77875
12 h after dark	5.37249	5.04816	5.99186