Temperatures during the week ending Thursday, February 16 averaged 36.1 degrees, 4.3 degrees cooler than last week. National average temperatures were below normal for the first time since November 11 last year, averaging 0.1 degrees colder than the 30-year normal temperature and 0.3 degrees colder than the same period last year. Regionally, temperatures were warmer than normal in the Northeast and the East North Central region, but cooler than normal in the other areas of the country. The average temperatures in the East South Central and West South Central regions in the South were particularly cold, both averaging 3.6 degrees cooler than normal. Heating degree-days nationwide were 0.5 percent above normal and 1.5 percent above last year.