To get a year dataset please use one of the links below to download the wget script (with OpenID): 2013,
Source: Pyranometer network
Descriptive Instrument location: A total of 5 weather stations were available during forest experiment in the HOPE-Juelich campaign and were spread in the spatial domain covering 50.5026 - 50.50336 deg. N and 6.334881 - 6.337093 deg. E.