condition	mean	min	max
4 h after light	511.2	511.2	511.2
8 h after light	515.95	406.1	625.8
12 h after light	520.2	450.2	590.2
4 h after dark	507.65	398.8	616.5
8 h after dark	559.5	449.7	669.3
12 h after dark	527.0	426.4	627.6