Construction added 21,000 jobs in June, up from gain of 5,000 the previous month.

Industry added 4,000 jobs in May, well below April's increase of 30,000, BLS reports.

Industry's 4.7% unemployment rate is its lowest for April since 2000, economists note.

Economists say severe weather helped cause job losses.

Industry's unemployment rate rises to 6.4% from December's 5.1% but improves from year-earlier 7.3%.

BLS reports construction added 5,000 jobs in Nov., a more modest gain than in Oct. and Sept.

Industry's unemployment rate dips to 3.6% from Sept. 4.1%, year-earlier 4.5%, BLS reports.