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Welcome to xmACIS2
You can find the original version of xmACIS at http://oldxmacis.rcc-acis.org
An xmACIS2 training video is available for new users.
December 23, 2013: A new mapping option was
added to the Multi-Station products.
September 3, 2013: GHCN-Daily was made the highest
priority dataset in ACIS to reflect the order of precedence established by the National Climatic Data Center.
This could result in some values changing since a previous generation of the same ACIS
product. More information concerning this change is available on the
About ACIS web page. Continue to report erroneous values via