This is the PmBinState enumeration reporting the lifecycle status of one specific, already-completed 24-hour (daily) bin, kept for day-over-day comparison. It matters on this element because a bin flagged as partial or invalid -- for example one cut short by a manual clear or a device restart mid-interval -- should not be compared directly against a full-length bin's access-hit totals, or a trend graph built from this table will show a misleading dip that has nothing to do with actual traffic. For instance, a Hist24H bin whose State reads 'partial' right after a line-card reset warns you that its access-hit counters cover only a fraction of that completed day, not the complete window the other bins in the series represent.