You gotta be kidding, right ?  Humid air is lighter than dry air. Check it out
http://www.theweatherprediction.com/habyhints/260/
http://wiki.answers.com/Q/Explain_wh...r_than_dry_air
first year e thermodynamics chilo na ? 
Quote:
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Originally Posted by AsifTheManRahman
Humidity. Greater humidity leads to greater air resistance on the rough side of the ball, which in turn leads to greater swing.
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Sit down before fact like a little child, and be prepared to give up every preconceived notion, follow humbly wherever and to whatever abyss Nature leads, or you shall learn nothing. - T.H. Huxley
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