Space Heaters in the Middle of May: Check

How do May 2005 temperatures look compared with previous years? Does anyone know enough about weather stats to figure that out?

UPDATE: abf tells DAILY HEIGHTS: “The average high so far this May (through the 24th) has been 66 degrees, about 4 degrees below normal. May 2003 was similarly cool.”

May 2005: 66.1 (-3.8)
May 2004: 73.6 (+2.6)
May 2003: 65.8 (-5.1)
May 2002: 69.2 (-1.7)
May 2001: 71.4 (+0.4)

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