NOAA: 10th warmest March on Record

Says @NOAA, March global temp 10th warmest on record (http://t.co/e8EwqlRCou). So much 4 blogosphere claims of unusual/record cold globe.

Original Tweet: https://twitter.com/MichaelEMann/status/324917462711799808

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15yr trend: 0.04 +/- 0.04 C/decade (2-sigma); 98% statistically significant warming
30 yr trend: 0.16 +/- 0.01 C/decade (2-sigma); 100% statistically significant warming
decade-over-decade change: +0.13 C