1.
Meteorological observations during SUMATRA cruise from Nederland to Sierra Leone started at 1828-05-16
2.
Meteorological observations during VENUS cruise from Nederland to Suriname started at 1840-12-30
Meteorological observations during ECHO cruise from Offshore Saba started at 1836-07-13
Meteorological observations during NEHALENNIA cruise from Holland to Batavia started at 1846-07-05