Trader consensus on an 86-87°F high for New York City on September 10 reflects official observations from primary stations such as Central Park and LaGuardia, where the daily maximum aligned with this narrow band under partly cloudy conditions and light westerly winds. NOAA and NWS data showed temperatures climbing from morning lows near 72°F to peak readings in the mid-to-upper 80s by afternoon, consistent with model guidance that projected values roughly 8-10°F above the 1991-2020 climatological average of 78.4°F. This outcome sits well within historical September variability yet exceeds recent years’ cooler analogs. Resolution hinges on the final verified maximum; minor station-to-station differences or post-event quality-control adjustments remain the only plausible factors that could shift the recorded value outside the dominant bin.