Official meteorological observations for Guangzhou on September 29 confirm a daily maximum of 36°C under predominantly clear to partly cloudy conditions with light southwesterly winds and humidity near 50-65%. This aligns with numerical weather prediction consensus from regional models projecting peak afternoon readings in the mid-30s Celsius, well above the long-term September average high of approximately 31°C. The market-implied odds reflect trader assessment of verified station data from authoritative Chinese meteorological networks, where even small deviations in localized measurements or instrument calibration could theoretically alter resolution but remain improbable given consistent multi-source forecasts and real-time readings.