condition	mean	min	max
4 h after light	247.0	247.0	247.0
8 h after light	313.25	209.5	417.0
12 h after light	427.15	310.2	544.1
4 h after dark	438.85	425.3	452.4
8 h after dark	363.15	332.6	393.7
12 h after dark	264.9	264.8	265.0