Official National Weather Service observations recorded a daily maximum of 87°F at Austin Bergstrom on October 1, anchoring the 86-87°F outcome at full market consensus. Persistent cloud cover, heavy thunderstorms, and elevated humidity suppressed solar heating and kept temperatures near the 1991-2020 climatological normal of 87°F, with afternoon readings peaking early before rain-cooled air arrived. Model guidance and surface analyses aligned closely with these conditions throughout the day. Minor revisions to station data or alternative measurement protocols remain the only realistic pathways that could shift resolution, though such adjustments are rare for verified NWS reports.