condition	mean	min	max
4 h after light	730.9	730.9	730.9
8 h after light	573.5	561.1	585.9
12 h after light	537.15	490.2	584.1
4 h after dark	538.45	504.5	572.4
8 h after dark	527.65	494.3	561.0
12 h after dark	687.9	629.8	746.0