Table 3 - Temperature of dew point in degrees Fahrenheit

[Pressure = 27.00 inches]

Air
Temp
t

Vapor
Press.
e

Depression of wet-bulb thermometer (t-t')
0.1 0.2 0.3 0.4 0.5
-51 0.0010 -60        
-50 0.0021 -59
-49 0.0022 -57
-48 0.0024 -55
-47 0.0026 -54
-46 0.0027 -52        
-45 0.0029 -50 -60
-44 0.0031 -49 -58
-43 0.0033 -48 -56
-42 0.0035 -47 -54
-41 0.0037 -46 -52      
-40 0.0039 -45 -50 -60
-39 0.0041 -44 -49 -58
-38 0.0044 -42 -48 -56
-37 0.0046 -41 -47 -54
-36 0.0048 -40 -45 -51    
-35 0.0051 -39 -44 -49 -58
-34 0.0054 -38 -42 -47 -55
-33 0.0057 -36 -40 -46 -52
-32 0.0061 -35 -39 -44 -50 -59
-31 0.0065 -34 -37 -42 -47 -55
-30 0.0069 -32 -35 -40 -45 -51