Total snowfall in Boston, Massachusetts, reached 24.9 inches (63 cm), the fifth-highest total ever recorded in the city. As the two systems merged off the Northeast coast on February 8, 2013, they produced heavy snowfall over a large region from North Jersey and inland from New York City through eastern New England up to coastal Maine and inland to Ontario. The second low, originating across the state of Texas, produced heavy rains and flooding across much of the Southeast and Mid-Atlantic parts of the U.S. The first low-pressure system, originating from the Northern Plains of the United States, produced moderate amounts of snow across the Great Lakes region of the U.S. The nor'easter's effects in the United States received a Category 3 rank on the Northeast Snowfall Impact Scale, classifying it as a "Major" Winter Storm. The storm crossed the Atlantic Ocean, affecting Ireland and the United Kingdom. The February 2013 North American blizzard, also known as Winter Storm Nemo and the Blizzard of 2013, was a powerful blizzard that developed from the combination of two areas of low pressure, primarily affecting the Northeastern United States and parts of Canada, causing heavy snowfall and hurricane-force winds. Data and statistics for other stations, and associated charges, can be obtained by contacting our Customer Centre.Part of the 2012–13 North American winter No allowances have been made for small site changes and developments in instrumentation. Data are indicated as provisional until the full network quality control has been carried out.
Station data files are updated on a rolling monthly basis. All other sunshine data have been recorded using a Campbell-Stokes recorder. Sunshine data using a Kipp and Zonen sensor have been indicated by a "#" after the value.
Estimated data (where available) have been indicated by "*" after the value. Missing data (more than two days missing in a month) have been indicated by "-". The monthly mean temperature is calculated from the average of the mean daily maximum and mean daily minimum temperature i.e. The series typically range from 50 to more than 100 years in length.
Monthly data are available for a selection of long-running historic stations.
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