Aviation Digital Data Service (ADDS) Output produced by METARs form (2055 UTC 29 May 2017) found at http://www.aviationweather.gov/adds/metars/

You entered "FXMU FXMM" Sorry, either there are no data available for your request or you did not enter any valid ICAO airport abbreviations. See stations.txt for a list of known METAR and TAF locations. Then go back to the ADDS METARs or TAFs page and try again   Please try again and, if problems persist, then send mail to ncep.awc.adds@noaa.gov