Below-average temperatures spanned the Rockies to the East Coast
Everyone seems to be wondering, "What happened to spring?" Last month, a persistent flow of Arctic air blanketed the eastern two-thirds of the nation. Record cold, and even snow in some areas, delayed the onset of warm spring-like conditions.
![Snow and iced branches along the shores of Lake Superior in the U.S. Midwest as photographed on April 17, 2018. (Image credit: Sharon Mollerus/flickr Creative Commons 2.0 license/https://flic.kr/ps/zRKVu) Snow and iced branches along the shores of Lake Superior in the U.S. Midwest as photographed on April 17, 2018.](/sites/default/files/styles/landscape_width_1275/public/legacy/image/2019/Jun/PHOTO%20-%20Snow%20and%20icicles%20along%20Lake%20Superior%20-%20April%2017%20-%202018%20-%20Midwest%20spring%20snow%20-%20flickr%20user%20Sharon%20Mollerus%20-%20CC%202.0%20license%20-%20Landscape%20-%201600%20x%201067.jpg?itok=JcZNapym)
Snow and iced branches along the shores of Lake Superior in the U.S. Midwest as photographed on April 17, 2018. (Image credit: Sharon Mollerus/flickr Creative Commons 2.0 license/https://flic.kr/ps/zRKVu)