condition	mean	min	max
4 h after light	859.4	859.4	859.4
8 h after light	775.2	724.5	825.9
12 h after light	713.35	654.0	772.7
4 h after dark	593.65	586.4	600.9
8 h after dark	572.4	497.5	647.3
12 h after dark	456.5	437.3	475.7