4.2.2
Dew point dependent on the air temperature and the rel. humidity for condensation
calculation
Air
temperature
Dew point in °C at a relative humidity of:
Moisture
saturation =
amount of water
in g/m³
°C
30%
40%
50%
60%
70%
80%
90%
°C
°C
°C
°C
°C
°C
°C
30
10.5
14.9
18.5
21.2
24.2
26.4
28.5
30.4
28
8.7
13.1
16.7
19.5
22.0
24.2
26.2
27.2
26
7.1
11.3
14.9
17.6
19.8
22.3
24.2
24.4
24
5.4
9.5
13.0
15.8
18.2
20.3
22.2
21.8
22
3.6
7.7
11.1
13.9
16.3
18.4
20.3
19.4
20
1.9
6.0
9.9
12.0
14.3
16.5
18.3
17.3
18
0.2
4.2
7.4
10.1
12.4
14.5
16.3
15.4
16
-1.5
2.4
5.6
8.2
10.5
12.5
14.3
13.6
14
-3.3
-0.6
3.8
6.4
8.6
10.6
14.4
12.1
12
-5.0
-1.2
1.9
4.3
6.6
8.5
10.3
10.7
10
-6.7
-2.9
0.1
2.6
4.8
6.7
8.4
9.4
8
-8.5
-4.8
-1.6
0.7
2.9
4.8
6.4
8.3
6
-1.,3
-6.6
-3.2
-1.0
0.9
2.8
4.4
7.3
4
-12.0
-8.5
-4.8
-2.7
-0.9
0.8
2.4
6.4
2
-13.7
-10.2
-6.5
-4.3
-2.5
-0.8
0.6
5.6
0
-15.4
-12.0
-8.1
-5.6
-3.8
-2.3
-0.9
4.8
