The Hong Kong Observatory's official recording of a 26.9°C minimum air temperature at its headquarters on August 15 drove overwhelming trader consensus toward the 26°C outcome. Persistent post-Typhoon Dolphin cloud cover and showers suppressed overnight cooling, keeping readings aligned with seasonal August norms of 26–28°C rather than allowing typical radiative drops. Forecast models converged on this range days earlier, and the absence of any late-model revisions or station discrepancies left negligible room for alternative resolutions. The sole realistic challenge would require a verified data correction from the observatory itself, an event with near-zero historical precedent for daily summaries.