condition	mean	min	max
4 h after light	5.59825	5.3217	5.73696
8 h after light	5.71671	5.61822	5.89537
12 h after light	5.7706	5.7432	5.82095
4 h after dark	5.7189	5.58967	5.95632
8 h after dark	5.660546666666667	5.51396	5.90531
12 h after dark	5.457669999999999	5.15998	5.69516