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This state of affairs was broken by storms about the first of January. The principal boundary then moved far south and east of its accustomed place, lying off the Atlantic Coast and south of the Gulf States. This admitted cold air from the Northwest. While the East shivered in near-zero temperatures, storms along the boundary deposited snow over most of the South, and the snow itself helped lower temperatures there. The southward displacement of the boundary in California caused heavy rains, flooding the Sacramento Valley in February.
In February and March the boundary which had been in the Gulf of Mexico moved northward a little, but was still far south of its usual position; so Florida had another near-freeze in early March and cold weather continued in the East and South generally. Meanwhile, the "eastward displacement of the whole weather control" brought warmer weather than usual for the West Coast States.
* As FORTUNE for April, out next week, explains in an exhaustive article on what the weather is, how it is made, how charted, how forecast, and what it means in dollars and cents.