The report provides critical data for meteorologists, researchers, and emergency planners to monitor extreme temperature events across the U.S. Accurate high and low temperature readings are essential for understanding weather patterns, preparing for heatwaves or cold snaps, and ensuring public safety. However, the data is considered preliminary and subject to revision, as late-arriving reports or quality control issues may affect the final results. This could lead to discrepancies in reported temperatures, especially for low-temperature observations.