Current forecasts from multiple models indicate a stable subtropical high-pressure pattern over southern China, sustaining humid, tropical air masses with overnight lows near 27°C for Guangzhou on September 20—several degrees above the 1991–2020 average of 23.8°C. High humidity (around 70–80%) and scattered cloud cover from afternoon thunderstorms limit radiative cooling, while light winds reduce mixing that could otherwise lower minima. This consensus supports market-implied odds near even between sub-21°C extremes and 31°C+ readings, reflecting uncertainty in exact cloud timing and any minor frontal influences rather than broad cooling trends. Updated model runs over the next 24–48 hours will clarify resolution thresholds.
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-updateLowest temperature in Guangzhou on September 20?
31°C or higher 94%
21°C or below 92%
22°C 39%
23°C 39%
21°C or below
92%
22°C
39%
23°C
39%
24°C
39%
25°C
39%
26°C
22%
27°C
22%
28°C
22%
29°C
39%
30°C
39%
31°C or higher
94%
31°C or higher 94%
21°C or below 92%
22°C 39%
23°C 39%
21°C or below
92%
22°C
39%
23°C
39%
24°C
39%
25°C
39%
26°C
22%
27°C
22%
28°C
22%
29°C
39%
30°C
39%
31°C or higher
94%
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zggg
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 18, 2026, 12:31 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zgggResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zggg
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=zgggResolver
0x69c47De9D...Current forecasts from multiple models indicate a stable subtropical high-pressure pattern over southern China, sustaining humid, tropical air masses with overnight lows near 27°C for Guangzhou on September 20—several degrees above the 1991–2020 average of 23.8°C. High humidity (around 70–80%) and scattered cloud cover from afternoon thunderstorms limit radiative cooling, while light winds reduce mixing that could otherwise lower minima. This consensus supports market-implied odds near even between sub-21°C extremes and 31°C+ readings, reflecting uncertainty in exact cloud timing and any minor frontal influences rather than broad cooling trends. Updated model runs over the next 24–48 hours will clarify resolution thresholds.
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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