claims that not only was it the coolest since 1993, 'most' of the other cool years were 'due to either Pinatubo or El Chichon' volcanic eruptions. It is well know that Volcanic eruptions, if large enough, can cool the planet for a year or so, so if 'most' of the other cool or colder years were due to volcanoes then this February without a volcanic forcing must be exceptionally cool - which appears to be the point Goddard is making.
As evidence for his claims he posts the graph above that has a suspiciously smooth sine type curve. Did he draw this on himself to suggest a natural fluctuation and that everything is just peachy? So far he isn't saying.
But a sceptical eye cast over the graph and Goddard's volcanic claims show that he isn't being honest with his readers. Looking at the years that are cooler or about as cool as Feb 2012, we have 1979, 1984, 1985, 1986, 1989, 1990, 1992 and 1993. That is 8 years that might be included in Goddard's 'most'.
El Chichon erupted March 1982, so we can forget about 1997. 1984 was two years after El Chichon so may have been affected a little but it is doubtful as 1983 was actually warmer than the average. We can then drop 1985, 1986, 1989, and 1990.
Pinatubo erupted April 1991 so it is fairly certain that temperatures in 1992 and even to some extent 1993 were affected.
Even being generous, is that 'most' years or less? Perhaps in Goddardland more means less.