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<br />TABLE K-5 <br /> <br />RANGE OF EXPECtED MONTHLY <br />RELATIVE HUMIDITY, PROJECT SITE <br />xpected range of <br />Month relative humidity, b <br />Jan 68 to 82 <br />Feb 65 to 75 <br />Mar 57 to 70 <br />Apr 50 to 63 <br />May 45 to 57 <br />Jun 43 to 55 <br />Jul 43 to 55 <br />Aug 45 to 60 <br />Sep 50 to 67 <br />Oct 60 to 75 <br />Nov 65 to 80 <br />Dec 67 to 83 <br />Source: Metcalf & Eddy, 1975 <br />• <br />K-13 <br />