1. Department of Atmospheric Science; Colorado State University; Fort Collins Colorado USA
2. Climate Services, Climate Analysis; MeteoSwiss; Zürich Switzerland
3. NASA Earth Observatory; Goddard Space Flight Center; Greenbelt Maryland USA
4. Institute of Geography, Oeschger Center for Climate Research; University of Bern; Bern Switzerland
5. Atmospheric Science Program, Department of Geography; Indiana University; Bloomington Indiana USA
6. Fisher Museum, Harvard Forest; Harvard University; Petersham Massachusetts USA
7. Terrestrial Sciences Section; National Center for Atmospheric Research; Oak Ridge Tennessee USA
8. US Forest Service; RMRS, Research, Saveland; Missoula Montana USA