

If that happened today, the anomaly would be -10 and average temperature for March would be 52.7F, which would be colder than the coldest March on record in 1915.
An Extremely Unusual March
http://blog.chron.com/climateabyss/2012 ... ual-march/
March Extremes At KIAH
http://www.srh.noaa.gov/hgx/?n=climate_iah_top10_mar