Global radiation. Daily sums, monthly sums and means (Europe).

AUSTRIA
AZORES
BELGIUM
BULGARIA
CROATIA
CZECH REPUBLIC
DENMARK
ESTONIA
FINLAND
FRANCE
GEORGIA
GERMANY
GREECE
HUNGARY
ICELAND
IRELAND
ISRAEL
ITALY
LATVIA
LEBANON
LITHUANIA
MALTA
MOLDOVA
NETHERLANDS
NORWAY
POLAND
PORTUGAL
ROMANIA
RUSSIA
SLOVAKIA
SPAIN
SWEDEN
SWITZERLAND
SYRIA
TURKEY
UKRAINE
UNITED KINGDOM
YUGOSLAVIA