Difference from average in the timing of the start of Spring 2016

Difference from average in timing of the start of Spring 2016

Detailed Description

Difference from average in the timing of the start of Spring 2016, as estimated through an index of early-leafing plants as of April 7, 2016. www.usanpn.org/data/spring

Details

Image Dimensions: 1400 x 600

Date Taken: