condition	mean	min	max
4 h after light	658.2	658.2	658.2
8 h after light	644.65	632.4	656.9
12 h after light	631.05	588.4	673.7
4 h after dark	726.25	663.7	788.8
8 h after dark	752.1	721.6	782.6
12 h after dark	840.25	788.8	891.7