The paper does have more detail, and I believe supporting materials will be released. You can also download the data and do some of your own digging (either from the big file at the bottom, or just view source and grab the js values that feed the graphs)
We were told the paper would be published (and open access today) but doesn't quite seem to be up yet: http://onlinelibrary.wiley.com/doi/10.1002/grl.50786/abstrac...
The paper does have more detail, and I believe supporting materials will be released. You can also download the data and do some of your own digging (either from the big file at the bottom, or just view source and grab the js values that feed the graphs)