STN031 Mauna Loa, Hawaii (USA) - Umkehr Data Revisions
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Early in January 2005, MLO Umkehrs from 1984 through 2003 were 
resubmitted to the WODC archives.

Umkehr Data between 28 June 1992 and 10 May 1994 was reprocessed to 
take in to account two N-table changes that were previously not 
applied.

The "synthetic" TO3 observations for 1984 through 1995 were reprocessed 
in the same manner as routine ozone observations using N-tables and 
lamps as defined by Walter Komhyr's reprocessing report.

The Total Ozone amount for all Umkehr observations was replaced with 
what was known to be the best possible available as of January 2005.

G. Carbaugh, NOAA-CMDL
April 27, 2005