Dry Bulb
Temp
(°C )
Table of Dewpoint as a Function of Dry Bulb and Relative Humidity
Relative Humidity (%)
10
11
12
13
14
15
16
17
18
19
20
22
24
26
28
30
32
34
-20
-44.7
-43.8
-42.9
-42.2
-41.4
-40.7
-40.1
-39.5
-38.9
-38.4
-37.8
-36.9
-36.0
-35.1
-34.3
-33.6
-32.9
-32.3
-19
-43.9
-42.9
-42.1
-41.3
-40.6
-39.9
-39.2
-38.6
-38.0
-37.5
-36.9
-36.0
-35.1
-34.2
-33.4
-32.7
-32.0
-31.4
-18
-43.0
-42.1
-41.3
-40.5
-39.7
-39.0
-38.4
-37.7
-37.2
-36.6
-36.1
-35.1
-34.2
-33.3
-32.5
-31.8
-31.1
-30.4
-17
-42.2
-41.3
-40.4
-39.6
-38.9
-38.2
-37.5
-36.9
-36.3
-35.7
-35.2
-34.2
-33.3
-32.4
-31.6
-30.9
-30.2
-29.5
-16
-41.4
-40.4
-39.6
-38.8
-38.0
-37.3
-36.6
-36.0
-35.4
-34.9
-34.3
-33.3
-32.4
-31.5
-30.7
-30.0
-29.3
-28.6
-15
-40.6
-39.6
-38.7
-37.9
-37.2
-36.5
-35.8
-35.2
-34.6
-34.0
-33.4
-32.4
-31.5
-30.6
-29.8
-29.1
-28.4
-27.7
-14
-39.8
-38.8
-37.9
-37.1
-36.3
-35.6
-34.9
-34.3
-33.7
-33.1
-32.6
-31.5
-30.6
-29.7
-28.9
-28.2
-27.4
-26.8
-13
-38.9
-38.0
-37.1
-36.2
-35.5
-34.8
-34.1
-33.4
-32.8
-32.2
-31.7
-30.7
-29.7
-28.8
-28.0
-27.3
-26.5
-25.9
-12
-38.1
-37.1
-36.2
-35.4
-34.6
-33.9
-33.2
-32.6
-32.0
-31.4
-30.8
-29.8
-28.8
-28.0
-27.1
-26.4
-25.6
-24.9
-11
-37.3
-36.3
-35.4
-34.6
-33.8
-33.1
-32.4
-31.7
-31.1
-30.5
-30.0
-28.9
-28.0
-27.1
-26.2
-25.4
-24.7
-24.0
-10
-36.5
-35.5
-34.6
-33.7
-32.9
-32.2
-31.5
-30.9
-30.2
-29.7
-29.1
-28.0
-27.1
-26.2
-25.3
-24.5
-23.8
-23.1
-9
-35.7
-34.7
-33.7
-32.9
-32.1
-31.4
-30.7
-30.0
-29.4
-28.8
-28.2
-27.2
-26.2
-25.3
-24.4
-23.6
-22.9
-22.2
-8
-34.8
-33.8
-32.9
-32.1
-31.3
-30.5
-29.8
-29.2
-28.5
-27.9
-27.4
-26.3
-25.3
-24.4
-23.5
-22.7
-22.0
-21.3
-7
-34.0
-33.0
-32.1
-31.2
-30.4
-29.7
-29.0
-28.3
-27.7
-27.1
-26.5
-25.4
-24.4
-23.5
-22.7
-21.9
-21.1
-20.4
-6
-33.2
-32.2
-31.3
-30.4
-29.6
-28.8
-28.1
-27.5
-26.8
-26.2
-25.6
-24.5
-23.5
-22.6
-21.8
-21.0
-20.2
-19.5
-5
-32.4
-31.4
-30.4
-29.6
-28.8
-28.0
-27.3
-26.6
-26.0
-25.3
-24.8
-23.7
-22.7
-21.7
-20.9
-20.1
-19.3
-18.6
-4
-31.6
-30.6
-29.6
-28.7
-27.9
-27.2
-26.4
-25.8
-25.1
-24.5
-23.9
-22.8
-21.8
-20.9
-20.0
-19.2
-18.4
-17.7
-3
-30.8
-29.8
-28.8
-27.9
-27.1
-26.3
-25.6
-24.9
-24.3
-23.6
-23.0
-21.9
-20.9
-20.0
-19.1
-18.3
-17.5
-16.8
-2
-30.0
-28.9
-28.0
-27.1
-26.3
-25.5
-24.7
-24.1
-23.4
-22.8
-22.2
-21.1
-20.0
-19.1
-18.2
-17.4
-16.6
-15.9
-1
-29.2
-28.1
-27.2
-26.3
-25.4
-24.6
-23.9
-23.2
-22.6
-21.9
-21.3
-20.2
-19.2
-18.2
-17.3
-16.5
-15.7
-15.0
0
-28.4
-27.3
-26.3
-25.4
-24.6
-23.8
-23.1
-22.4
-21.7
-21.1
-20.5
-19.3
-18.3
-17.3
-16.4
-15.6
-14.8
-14.1
1
-27.6
-26.5
-25.5
-24.6
-23.8
-23.0
-22.2
-21.5
-20.9
-20.2
-19.6
-18.5
-17.4
-16.5
-15.6
-14.7
-13.9
-13.2
2
-26.8
-25.7
-24.7
-23.8
-22.9
-22.1
-21.4
-20.7
-20.0
-19.4
-18.8
-17.6
-16.6
-15.6
-14.7
-13.8
-13.0
-12.3
3
-26.0
-24.9
-23.9
-23.0
-22.1
-21.3
-20.6
-19.8
-19.2
-18.5
-17.9
-16.8
-15.7
-14.7
-13.8
-12.9
-12.1
-11.4
4
-25.2
-24.1
-23.1
-22.2
-21.3
-20.5
-19.7
-19.0
-18.3
-17.7
-17.1
-15.9
-14.8
-13.8
-12.9
-12.0
-11.2
-10.5
5
-24.4
-23.3
-22.3
-21.3
-20.5
-19.7
-18.9
-18.2
-17.5
-16.8
-16.2
-15.0
-14.0
-13.0
-12.0
-11.2
-10.3
-9.6
6
-23.6
-22.5
-21.5
-20.5
-19.7
-18.8
-18.1
-17.3
-16.6
-16.0
-15.4
-14.2
-13.1
-12.1
-11.2
-10.3
-9.4
-8.7
7
-22.8
-21.7
-20.7
-19.7
-18.8
-18.0
-17.2
-16.5
-15.8
-15.1
-14.5
-13.3
-12.2
-11.2
-10.3
-9.4
-8.6
-7.8
8
-22.0
-20.9
-19.9
-18.9
-18.0
-17.2
-16.4
-15.7
-15.0
-14.3
-13.7
-12.5
-11.4
-10.4
-9.4
-8.5
-7.7
-6.9
9
-21.2
-20.1
-19.1
-18.1
-17.2
-16.4
-15.6
-14.8
-14.1
-13.5
-12.8
-11.6
-10.5
