Official observations from Chicago-area stations, including National Weather Service data at O’Hare, recorded a daily maximum of 68–69°F on September 24, 2026, well below the 1991–2020 normal of 73°F. Persistent easterly flow off Lake Michigan, widespread cloud cover, and a cooler-than-average air mass suppressed afternoon heating and kept temperatures from reaching the low-70s expected under typical late-September conditions. With the event now concluded and verified measurements aligning precisely with this narrow band, trader consensus has consolidated at near-certainty for the 68–69°F outcome. Only an unreported station-specific anomaly or post-hoc data revision would alter resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoView resolved

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