1.
Meteorological observations during JACOBUS cruise from Tjilatjap to the Netherlands started at 1842-04-01
2.
Meteorological observations during JACOBUS cruise from Nederland to Batavia started at 1841-08-20
Meteorological observations during MAGDALENA cruise from Batavia to the Netherlands started at 1853-10-17
Meteorological observations during PALEMBANG cruise from Nederland to Padang started at 1833-09-04
Meteorological observations during BOREAS cruise from Nederland to Java started at 1835-05-19
Meteorological observations during PLANCIUS cruise from Batavia to the Netherlands started at 1853-05-11
Meteorological observations during DIANA cruise from Nederland to Batavia started at 1834-11-10
Meteorological observations during PALEMBANG cruise from Nederland to Java started at 1842-11-20
Meteorological observations during PLANCIUS cruise from Nederland to Batavia started at 1852-11-14
Meteorological observations during MAGDALENA cruise from Batavia to the Netherlands started at 1853-10-15