Complex sentence: In many locations wind, snowfall, and precipitation moisture content records dating back to the December 2,1990 storm, the 1976-1978 period, the 1949 blizzard, or even further back were broken, with barometric pressure records falling as well.
Split into simpler sentences: In many locations wind, snowfall, and precipitation moisture content records dating back to the 02. December 1990 storm, the 1976-1978 period, the 1949 blizzard, or even further back were broken, with barometric pressure records falling as well.