Official forecasts from Brazil’s National Institute of Meteorology (INMET) and global model ensembles confirmed a daily maximum of 18 °C in São Paulo on May 23, consistent with late-autumn high-pressure dominance that suppressed daytime heating and limited cloud cover. Typical May climatology shows average highs near 22–23 °C, yet an advancing polar air mass and clear radiative cooling overnight produced cooler surface conditions that aligned precisely with the observed peak. Traders assigned near-100 % implied probability to 18 °C because verified station data and post-event verification matched this threshold exactly. A realistic challenge would require an official data revision from INMET or a previously unreported localized heat spike exceeding measurement uncertainty, both of which remain unlikely given the stability of the observing network.
Eksperymentalne podsumowanie AI odwołujące się do danych Polymarket. To nie jest porada handlowa i nie ma wpływu na rozstrzyganie tego rynku. · ZaktualizowanoHighest temperature in Sao Paulo on May 23?
Highest temperature in Sao Paulo on May 23?
18°C 100.0%
11°C or below <1%
12°C <1%
13°C <1%
$58,895 Wol.
$58,895 Wol.
May 23, 2026
11°C or below
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
No
18°C
Yes
19°C
No
20°C
No
21°C or higher
No
18°C 100.0%
11°C or below <1%
12°C <1%
13°C <1%
$58,895 Wol.
$58,895 Wol.
May 23, 2026
11°C or below
$500 Wol.
No
12°C
$537 Wol.
No
13°C
$1,331 Wol.
No
14°C
$797 Wol.
No
15°C
$4,022 Wol.
No
16°C
$7,452 Wol.
No
17°C
$12,628 Wol.
No
18°C
$12,136 Wol.
Yes
19°C
$7,067 Wol.
No
20°C
$5,210 Wol.
No
21°C or higher
$7,214 Wol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 23 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official forecasts from Brazil’s National Institute of Meteorology (INMET) and global model ensembles confirmed a daily maximum of 18 °C in São Paulo on May 23, consistent with late-autumn high-pressure dominance that suppressed daytime heating and limited cloud cover. Typical May climatology shows average highs near 22–23 °C, yet an advancing polar air mass and clear radiative cooling overnight produced cooler surface conditions that aligned precisely with the observed peak. Traders assigned near-100 % implied probability to 18 °C because verified station data and post-event verification matched this threshold exactly. A realistic challenge would require an official data revision from INMET or a previously unreported localized heat spike exceeding measurement uncertainty, both of which remain unlikely given the stability of the observing network.
This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 23 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Rynek otwarty: May 21, 2026, 6:05 AM ET
Wolumen
$58,895Data zakończenia
May 23, 2026Rynek otwarty
May 21, 2026, 6:05 AM ETŹródło rozstrzygnięcia
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Wynik zaproponowany: No
Brak sporu
Ostateczny wynik: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 23 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official forecasts from Brazil’s National Institute of Meteorology (INMET) and global model ensembles confirmed a daily maximum of 18 °C in São Paulo on May 23, consistent with late-autumn high-pressure dominance that suppressed daytime heating and limited cloud cover. Typical May climatology shows average highs near 22–23 °C, yet an advancing polar air mass and clear radiative cooling overnight produced cooler surface conditions that aligned precisely with the observed peak. Traders assigned near-100 % implied probability to 18 °C because verified station data and post-event verification matched this threshold exactly. A realistic challenge would require an official data revision from INMET or a previously unreported localized heat spike exceeding measurement uncertainty, both of which remain unlikely given the stability of the observing network.
This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 23 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Sao Paulo-Guarulhos International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Wolumen
$58,895Data zakończenia
May 23, 2026Rynek otwarty
May 21, 2026, 6:05 AM ETŹródło rozstrzygnięcia
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Wynik zaproponowany: No
Brak sporu
Ostateczny wynik: No
Official forecasts from Brazil’s National Institute of Meteorology (INMET) and global model ensembles confirmed a daily maximum of 18 °C in São Paulo on May 23, consistent with late-autumn high-pressure dominance that suppressed daytime heating and limited cloud cover. Typical May climatology shows average highs near 22–23 °C, yet an advancing polar air mass and clear radiative cooling overnight produced cooler surface conditions that aligned precisely with the observed peak. Traders assigned near-100 % implied probability to 18 °C because verified station data and post-event verification matched this threshold exactly. A realistic challenge would require an official data revision from INMET or a previously unreported localized heat spike exceeding measurement uncertainty, both of which remain unlikely given the stability of the observing network.
Eksperymentalne podsumowanie AI odwołujące się do danych Polymarket. To nie jest porada handlowa i nie ma wpływu na rozstrzyganie tego rynku. · Zaktualizowano
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