The National Centers for Environmental Information (NCEI) recently declared May 2018 as being the warmest May on record for the continental US (CONUS). This warmth has persisted into June with this month perhaps on track to set the record for June as well. This warm stretch got started in late April as illustrated by the featured chart. The chart depicts the percentage of NWS CLImate reporting sites over the CONUS that have had their daily high temperature above or below average. Please note that this total is not spatially weighted. The red side of the chart has been at or above 50% coverage since the first of May. The current forecast for the rest of June continues the above average temperatures for most of the CONUS, but hot weather for Iowa will likely hold off until next week.

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Tags:   2018