condition	mean	min	max
4 h after light	5.494703333333334	5.45688	5.52113
8 h after light	5.65403	5.56982	5.77171
12 h after light	5.69832	5.59034	5.75753
4 h after dark	5.8475866666666665	5.73177	5.9326300000000005
8 h after dark	6.012606666666667	5.79279	6.35653
12 h after dark	6.0555900000000005	5.93499	6.2445