Annual Start of Spring for the Contiguous United States

Annual Start of Spring for the Contiguous United States

This graph shows the number of days by which the start of spring in each year differs from the average start of spring during the 20th century. The spring of 2012 (circled) set a record for earliest start. (Source: Adapted from the USGCRP indicators pilot, with data from USA-NPN and NOAA NCDC)

About this resource

Organization
U.S. Global Change Research Program
Copyright
Free to use with credit to the original figure source.
Topics
Physical Climate, Observations, Modeling, Ecosystems & Biodiversity, Agriculture & Food