condition	mean	min	max
4 h after light	5.72283	5.5128699999999995	6.00997
8 h after light	5.595183333333333	5.5117199999999995	5.65094
12 h after light	5.444676666666667	5.30766	5.53225
4 h after dark	5.47776	5.4419699999999995	5.541980000000001
8 h after dark	5.566873333333334	5.39928	5.8598
12 h after dark	5.533013333333334	5.3870000000000005	5.6921