GES Distributed Active Archive Center

UARS HALOE Level 2 Data Pool

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NOTE: the daily data files are now packaged into monthly gzip compressed tar files.

To download the HALOE level 2 data (all the geophysical parameters are combined in a single file):

**Product Summary**
Name	Version	Description	Begin Date	End Date
L2 FINAL	19	vertical profiles of methane, water vapor, hydrogen chloride, hydrogen fluoride, nitric oxide, nitrogen dioxide, and ozone mixing ratios, as well as atmospheric temperature, pressure and aerosol extinction at 2.45, 2.80, 3.40, 3.46, and 5.26 µm	1991-10-11 07:14:50	2005-11-21 23:36:58

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Responsible NASA Official: Steve Kempler
Web Curator: Anthony Drake