Figure : annual-start-spring-contiguous-united-states

Annual Start of Spring for the Contiguous United States

Figure 2.4

National Oceanic and Atmospheric Administration National Climatic Data Center, USA National Phenology Network, U.S. Global Change Research Program USGCRP

This figure appears in chapter 2 of the Our Changing Planet: The U.S. Global Change Research Program for Fiscal Year 2016 report.

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)

When citing this figure, please reference Adapted from Start of Spring, USGCRP indicators pilot.

Free to use with credit to the original figure source.

The spatial range for this figure is 24.545219° to 49.371742° latitude, and -124.762146° to -66.957802° longitude.

This figure cites Indicator: Start of Spring

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