As the saying goes, March comes "in like a 🦁, and out like a 🐑," but is that really true? Here, we've visualized daily climate records in Boston in March from 1936 to 2020 in order to see which dates you're likely to find lions and lambs. Mouseover or tap on a day to explore historic weather in the bottom panel. Climate data from NOAA. Visualization by the Leventhal Map \& Education Center at the Boston Public Library.