1.
Meteorological observations during SUMATRA cruise from Nederland to Sierra Leone started at 1828-05-16
2.
Meteorological observations during WINDHOND cruise from Nederland to Batavia started at 1841-12-31
Meteorological observations during ARUBA cruise from Hellevoetsluis to Rio de Janeiro started at 1846-11-02
Meteorological observations during ARUBA cruise from Rio de Janeiro to Batavia started at 1847-01-10
Meteorological observations during NEHALENNIA cruise from Holland to Batavia started at 1846-07-05