55 60 210 65 90 200 50 PSYCHROMETRIC CHART 1.3 190 BAROMETRIC PRESSURE 29.921 inches of Mercury 85 15.0 85 180 1.2 45 60 UL BT EM RA 80 TU RE -° F -° -B TU TE MP ER AT UR E PE R 80 140 75 130 RA TIO N 35 TU SA 120 75 70 110 30 100 70 65 90 20 60 M OLU 0% 7 55 0% 35 20 25 20% 12.5 20 30 35 ATIVE 10% REL 40 45 50 55 60 65 HUMIDITY 70 10 75 80 85 45 .5 55 .4 40 .3 40 30% 30 25 60 40 30 13.0 25 20 40% 35 .6 45 40 30 65 50 50 AIR 10 45 .7 50 RY 5 40 70 D OF 13.5 50 .8 60 ³/lb % 60 45 .9 75 E ft 50 15 70 IC V 80 % CIF 55 80 SPE 90 % 14.0 65 60 55 90 95 100 105 110 115 DEW POINT - °F 25 1 150 F HUMIDITY RATIO - GRAINS OF MOISTURE PER POUND OF DRY AIR 40 PO UN D 160 PE 80 35 .2 30 25 20 35 .1 10 0 -20 120 DRY BULB TEMPERATURE - °F Linric Company Psychrometric Chart, www.linric.com 10 15 20 25 30 ENTHALPY - BTU PER POUND OF DRY AIR AI R OF DR Y 1.1 TB 14.5 EN TH AL PY 170 WE VAPOR PRESSURE - INCHES OF MERCURY 85