condition	mean	min	max
4 h after light	4.80505	4.73346	4.93021
8 h after light	4.959346666666667	4.696330000000001	5.46017
12 h after light	5.01311	4.81493	5.30173
4 h after dark	4.8846766666666666	4.7285900000000005	5.16579
8 h after dark	4.9419	4.74644	5.24488
12 h after dark	4.93238	4.87475	4.99972