Table 6 - Relative humidity, percent - Fahrenheit temperatures

[Pressure = 30.00 inches]

Air
Temp
t

Depression of wet-bulb thermometer (t-t')
4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0
8 1
9 5 1
10 9 5 0
11 12 8 4 0            
12 16 12 8 4 0
13 19 15 11 7 4 0
14 22 18 15 11 8 4 0
15 25 21 18 14 11 7 4 0
16 28 24 21 18 14 11 8 4 1  
17 30 27 24 21 17 14 11 8 5 1
18 33 30 27 24 20 17 14 11 8 5
19 35 32 29 26 23 20 17 14 11 8
20 37 34 32 29 26 23 20 17 14 12