This article originally appeared on heartland.org.

This year has been the coldest year in history through May 6, according to the network of nationwide thermometers monitored by the U.S. Historical Climatology Network. Summer officially arrives later this month, and it better be a warm one if the United States is to avoid setting a new record for its coldest year ever.

Southeastern Florida and the U.S. Southwest are the only regions with above-average temperatures so far this year. The Upper Midwest and the Great Lakes region are experiencing the coldest departures from average temperatures.

Assertions that warming temperatures in the United States are causing a host of problems are soundly contradicted by the objective temperature data. The U.S. Historical Climatology Network thermometers, which have been measuring U.S. temperatures since the 1890s, show no long-term trend in U.S. temperatures.

Steven Goddard provides the compelling data and charts on the lack of U.S. warming on his Real Science website, available here.