NOAA's monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii, May 2009, WUWT

Graph above is of the GLOBAL monthly averages. CLICK ON GRAPH TO ENLARGE. Are we getting a methane spike?

For NOAA's monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii. Link: http://www.esrl.noaa.gov/gmd/webdata/ccgg/trends/co2_trend_gl.pdf

Link below to the monthly measurements going back to the 1950s, at Mauna Loa:

ftp://ftp.cmdl.noaa.gov/ccg/co2/trends/co2_mm_mlo.txt

Link to NOAA's Mauna Loa page: http://www.esrl.noaa.gov/gmd/ccgg/trends/