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Made on behalf of the European Commission, DG XII, JOULE II Programme
This is an example of monthly data for the station of Uccle (Belgium)
YEAR
MONTHLY DATA (Wh/m2)
YEARLY SUM (Wh/m2)
1981
575
960
618
1189
1820
1200
1384
1676
1550
588
513
176
12249
1982
700
1069
1349
1838
1911
1742
1971
1559
1794
951
430
268
15582
1983
358
983
804
1003
933
1854
2730
2041
1341
1204
946
665
14862
1984
543
856
1086
2190
671
1932
1886
668
749
527
13952
1985
393
1441
724
1158
1701
1425
2139
1938
1526
1520
502
355
14822
1986
335
1277
1228
1046
2315
2426
1683
1578
1515
1236
844
442
15925
1987
554
445
1205
1720
1442
969
1912
1483
1067
1164
480
596
13037
1988
403
611
477
2134
1933
1429
2054
988
1016
760
167
13039
1989
623
777
1301
1047
3269
2498
2109
2080
1547
1159
1295
478
18183
1990
325
948
1337
1968
3077
1289
2801
2305
930
1217
737
241
17175