During the winter, humidity is much lower and temperatures are more moderate, and can fluctuate more readily. The monthly daily average temperature in January is . Temperatures dip below the freezing mark on an average of only 2.4 nights per year, and the lowest recorded temperature is , set on December 28, 1894. Because the winter season is dry and freezing temperatures usually occur only after cold fronts (and their accompanying precipitation) have passed, snow is exceptionally rare. The only accumulation ever to occur in the city proper since record keeping began was in 1948, although some accumulation occurred in surrounding areas in a snow event in January 1977 that reached Miami. Flurries have also been observed in 1989, 2006, and 2010.