WASHINGTON (AP) — The U.S. economy shrank at a 0.7 percent annual rate in the first three months of the year, depressed by a severe winter and a widening trade deficit.

The government's revised estimate for last quarter was weaker than its initial estimate of a 0.2 percent growth rate. The U.S. trade gap — the difference between the value of exports and the larger value of imports — was found to be wider than first estimated. And consumer spending was slower than previously thought.

But steady job gains are expected to fuel modestly healthy growth for the rest of 2015. The harsh winter, which kept many consumers home and businesses closed, and a labor dispute that slowed trade at West Coast ports are both over. Home sales and construction are rebounding, along with business investment.

Analysts generally foresee the economy, as measured by the gross domestic product, growing at an annual rate of 2 percent to 2.5 percent in the April-June quarter, with further strengthening later in the year. But risks remain: A stronger dollar, which makes U.S. exports more expensive, will likely continue to keep the trade deficit wide. And cutbacks in oil drilling, a result of low energy prices, could depress spending in the energy industry.

"While the evidence of a second-quarter rebound hasn't been overwhelming, we still think that the outlook for the economy is very encouraging," Paul Ashworth, chief U.S. economist at Capital Economics, wrote in a research note.

Last quarter's contraction marked the first since a 2.1 percent annual drop in the first three months of 2014, a slump that was also due in part to severe winter weather.

Last quarter, the trade gap subtracted 1.9 percentage points from growth, the biggest drag in 30 years. Consumer spending, which drives about 70 percent of economic activity, slowed to annual growth of just 1.8 percent for the quarter, slightly below the government's first estimate. Consumers spent less on mobile phone services, among other expenses, than first estimated.

One of the biggest hits to the economy last quarter came from cuts in drilling activity by energy companies, fallout from the sharp drop in oil prices over the past year. The government said investment in the category that covers energy exploration plunged at an annual rate of 48.6 percent, the steepest drop since 2009, during the Great Recession.

The government also downgraded its estimate of the boost the economy got from business restocking. That change should be a positive for second quarter growth, because it means businesses won't have as large a backlog of unsold goods.

Not all the revisions to the initial estimate for the first quarter were lower. Housing construction and business investment in equipment were both revised higher.

Though falling GDP can be a sign of a recession, economists see little cause for such concern this year. Many economists also suspect that the government's calculations have tended to underestimate growth in the first quarter of each year. GDP has contracted in three quarters since the recession ended six years ago, and all three declines came in the first quarter of the year.

Yet the outlook has brightened considerably since winter. Most economists expect lower gas prices eventually to accelerate consumer spending, the main fuel for the economy.

So far, most consumers haven't used their gasoline savings to spend much more on other goods and services. The average U.S. pump price reached $2.03 a gallon in January, the lowest level in eight years. Though the average has risen back to $2.74, according to AAA, that's still nearly a dollar below its point a year ago.

Analysts also say that steadily solid hiring, which has helped cut the unemployment rate to a seven-year low of 5.4 percent, will continue to put money in more people's hands and fuel spending gains.

Some of the first quarter weakness may be revised away by government statisticians, who are studying whether their methods for making seasonal adjustments tend to overstate slowdowns during winter. The Bureau of Economic Analysis has said some adjustments will be reflected in the annual updates to economic growth it will issue in June.