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    air.sig995.1981.nc
    air.sig995.1982.nc
    air.sig995.1983.nc
    air.sig995.1984.nc
    air.sig995.1985.nc
    air.sig995.1986.nc
    air.sig995.1987.nc
    air.sig995.1988.nc
    air.sig995.1989.nc
    air.sig995.1990.nc
    air.sig995.1991.nc
    air.sig995.1992.nc
    air.sig995.1993.nc
    air.sig995.1994.nc
    air.sig995.1995.nc
    air.sig995.1996.nc
    air.sig995.1997.nc
    air.sig995.1998.nc
    air.sig995.1999.nc
    air.sig995.2000.nc
    air.sig995.2001.nc
    air.sig995.2002.nc
    air.sig995.2003.nc
    air.sig995.2004.nc
    air.sig995.2005.nc
    air.sig995.2006.nc
    air.sig995.2007.nc
    air.sig995.2008.nc
    air.sig995.2009.nc
    air.sig995.2010.nc
    air.sig995.2011.nc
    air.sig995.2012.nc
    air.sig995.2013.nc
    air.sig995.2014.nc
    air.sig995.2015.nc