Only permanent stations are listed; campaign data are not included.
a.
WOUDC
Website: http://www.msc-smc.ec.gc.ca/woudc
b.
JMA, Japan Meteorological Agency
MSC, Meteorological Service of Canada
EPA, Environmental protection Agency, USA
CWBT, Central Weather Bureau of Taiwan
JRC_EU, Joint Research Center of the European Union
IEM-SPA, Institute of Experimental Meteorology-Scientific Hydrometeorological Institute
SHMI, Slovakian Hydrometeorological Institute
KMA, Korean Meteorological Administration
UMIST, University of Manchester