Forecast models show genuine uncertainty for Chengdu's September 13 high temperature, with ensembles from global systems like ECMWF and GFS producing a tight spread centered near 25–27°C. This reflects typical mid-September variability in the Sichuan Basin, where the retreating East Asian monsoon, shifting subtropical high-pressure ridges, and local topographic effects on cloud cover and humidity can shift daytime maxima by several degrees. Recent upper-air patterns and soil moisture conditions support the market-implied clustering around 26°C, while modest ensemble disagreement on timing of any weak frontal passage or increased afternoon convection accounts for the closely matched probabilities on adjacent outcomes. Updated model runs and observational data over the next 48 hours will likely narrow the range ahead of resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Chengdu on September 13?
26°C 27%
27°C 24%
25°C 23%
28°C 13%
20°C or below
2%
21°C
3%
22°C
9%
23°C
8%
24°C
12%
25°C
23%
26°C
27%
27°C
24%
28°C
13%
29°C
12%
30°C or higher
5%
26°C 27%
27°C 24%
25°C 23%
28°C 13%
20°C or below
2%
21°C
3%
22°C
9%
23°C
8%
24°C
12%
25°C
23%
26°C
27%
27°C
24%
28°C
13%
29°C
12%
30°C or higher
5%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zuuu
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Binuksan ang Market: Sep 11, 2026, 12:57 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zuuuResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zuuu
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zuuuResolver
0x69c47De9D...Forecast models show genuine uncertainty for Chengdu's September 13 high temperature, with ensembles from global systems like ECMWF and GFS producing a tight spread centered near 25–27°C. This reflects typical mid-September variability in the Sichuan Basin, where the retreating East Asian monsoon, shifting subtropical high-pressure ridges, and local topographic effects on cloud cover and humidity can shift daytime maxima by several degrees. Recent upper-air patterns and soil moisture conditions support the market-implied clustering around 26°C, while modest ensemble disagreement on timing of any weak frontal passage or increased afternoon convection accounts for the closely matched probabilities on adjacent outcomes. Updated model runs and observational data over the next 48 hours will likely narrow the range ahead of resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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