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Global Climate Change DigestArchives of the
Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999

FROM VOLUME 6, NUMBER 1, JANUARY 1993

NEWS...
1992 OZONE LEVELS

Item #d93jan109

Ozone levels in the high- and mid-latitudes of both hemispheres as well as over Antarctica reached record lows last year, the World Meteorological Organization announced in November. The results reflect a WMO analysis of data from ground stations and satellites. In the 50-to-60 degree latitude belt of the Northern Hemisphere, winter-spring ozone values were 12 percent below normal, the lowest seasonal deficiency seen in 35 years of observations. (Sources: Intl. Environ. Rptr., p. 734, Nov. 18; Global Environ. Change Rep., p. 5, Nov. 20.)

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