Do you have the stats on each month? Summer is hotter as well since we keep getting into the top 10 all time. This article seems to suggest that the new full year average normal is 1 degree hotter than two decades ago and 1.7 hotter than in the 1930's. This is country wide vs. local.
https://www.fox6now.com/news/noaa-climate-data-shows-normal-us-temperature-hotter-than-20-years-ago