Table 1. The Number of Retrieved ACE-FTS Profiles Between the Latitudes 10degreeS and 10degreeN as a Function of Year and Montha


	Feb	Apr	Aug	Oct

2004	0	27	33	18
2005	13	53	55	29
2006	29	21	15	18
2007	22	21	22	15
2008	29	8	19	0

aThe lack of measurements in February 2004 reflects the fact that the first ACE-FTS measurements were made near the end of this month. The lack of measurements in October 2008 reflects the fact that this analysis was done before retrievals for this month were completed.