This prediction market focuses on forecasting the maximum temperature recorded at Chengdu Shuangliu International Airport on March 28, 2026. The market resolves based on data from Wunderground's historical records for the official weather station at the airport, which is the primary meteorological observation point for Chengdu, China. Participants are essentially betting on which temperature range will contain the official high for that specific date. This type of market transforms a routine weather observation into a tradable financial instrument, allowing individuals to speculate on or hedge against climatic outcomes. Interest in such markets comes from meteorology enthusiasts, quantitative traders testing predictive models, and individuals in industries sensitive to daily weather fluctuations, such as agriculture, energy, and tourism. The specific date, March 28, falls during the spring transition period in Sichuan Province, a time when temperatures can be highly variable, adding uncertainty and trading interest. The resolution relies on a single, authoritative data source to ensure clarity and prevent disputes, a common practice in prediction markets covering factual outcomes. The market's structure, which uses temperature ranges rather than exact degrees, accommodates natural forecasting error and simplifies the trading process.

Historical Context

Chengdu's climate is classified as humid subtropical, heavily influenced by its location in the Sichuan Basin. Historical weather records for the city show that March is a month of significant transition. Average daily high temperatures in late March typically range from 16°C to 20°C, but extremes are common. For instance, on March 28, 2023, the high temperature reached 25.6°C at Shuangliu Airport, a notably warm day for the period. In contrast, March 28, 2022, saw a high of only 17.2°C. The record high for the entire month of March in Chengdu is 30.1°C, set on March 19, 1973, demonstrating the potential for unseasonable heat. The record low maximum for late March is below 10°C, associated with persistent cold rain events. The variability is driven by competing air masses: warm, moist air from the south can push temperatures up, while cold fronts from the northwest can cause sharp drops. Long-term climate data from the CMA indicates a warming trend in Sichuan's spring temperatures over the past 50 years, with an increase in the frequency of warmer-than-average March days. This historical warming baseline is a key factor modern forecasters consider.

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