Official observations from NOAA's Automated Surface Observing System at Chicago O'Hare International Airport (KORD) recorded a high temperature of 44°F on March 27, locking trader consensus at 100% for the 44-45°F outcome as the market resolved. This matched pre-event forecast consensus from the National Weather Service and major models like GFS and ECMWF, which projected this slightly below-normal peak—normal high is 51°F—due to a cooling air mass, persistent cloud cover, and northerly winds following warmer days (67°F on March 26, 71°F on March 25). While post-resolution certainty is near-absolute, a realistic challenge would require rare NWS data audit revealing sensor error or quality control revision.
Экспериментальная сводка, созданная ИИ на основе данных Polymarket · ОбновленоHighest temperature in Chicago on March 27?
Highest temperature in Chicago on March 27?
44-45°F 100.0%
46-47°F <1%
48-49°F <1%
50-51°F <1%
$201,184 Объем
$201,184 Объем
44-45°F
100%
46-47°F
<1%
48-49°F
<1%
50-51°F
<1%
52°F or higher
<1%
44-45°F 100.0%
46-47°F <1%
48-49°F <1%
50-51°F <1%
$201,184 Объем
$201,184 Объем
44-45°F
100%
46-47°F
<1%
48-49°F
<1%
50-51°F
<1%
52°F or higher
<1%
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 Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
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 Fahrenheit (eg, 21°F). 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.
Открытие рынка: Mar 23, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...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 Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
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 Fahrenheit (eg, 21°F). 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.
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...Official observations from NOAA's Automated Surface Observing System at Chicago O'Hare International Airport (KORD) recorded a high temperature of 44°F on March 27, locking trader consensus at 100% for the 44-45°F outcome as the market resolved. This matched pre-event forecast consensus from the National Weather Service and major models like GFS and ECMWF, which projected this slightly below-normal peak—normal high is 51°F—due to a cooling air mass, persistent cloud cover, and northerly winds following warmer days (67°F on March 26, 71°F on March 25). While post-resolution certainty is near-absolute, a realistic challenge would require rare NWS data audit revealing sensor error or quality control revision.
Экспериментальная сводка, созданная ИИ на основе данных Polymarket · Обновлено
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