Reuters: California had its warmest winter and spring on record this year, leading to stresses on water resources and agriculture, as well as increased risk of wildfire in the most populous U.S. state, the National Weather Service said Monday. In an overview of the nation's weather released on the agency's website, meteorologists said temperatures in California were about 5 degrees Fahrenheit above normal during the first six months of 2014, and just over 1 degree hotter than the previous record. "Despite...