Bad Weather and the Subway

Snow in Inwood, New York. Photograph by the author. Recently I&rsquo;ve been looking at hourly ridership data from the New York City Subway. Last time we learned that people go to work in the morning and come home in the evening , for example. (All together now: &ldquo;Only in New York, baby!&rdquo;) Today we&rsquo;ll learn that bad weather makes people stay at home. Except, sometimes it…