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dew points
d.p.*
ppm
d.p.*
ppm
d.p.*
ppm
–130ºf
0.10
–83ºf
6.2
–60ºf
34.0
–120
0.25
–82
6.6
–59
36.5
–110
0.63
–81
7.2
–58
39.0
–105
1.00
–80
7.8
–57
41.8
–104
1.08
–79
8.4
–56
44.6
–103
1.18
–78
9.1
–55
48.0
–102
1.29
–77
9.8
–54
51.0
–101
1.40
–76
10.5
–53
55.0
–100
1.53
–75
11.4
–52
59.0
–99
1.66
–74
12.3
–51
62.0
–98
1.81
–73
13.3
–50
67.0
–97
1.96
–72
14.3
–49
71.0
–96
2.15
–71
15.4
–48
76.0
–95
2.35
–70
16.6
–47
82.0
–94
2.54
–69
17.9
–46
87.0
–93
2.76
–68
19.2
–45
92.0
–92
3.00
–67
20.6
–44
98.0
–91
3.28
–66
22.1
–43
105.0
–90
3.53
–65
23.6
–42
113.0
–89
3.84
–64
25.6
–41
119.0
–88
4.15
–63
27.5
–40
128.0
–87
4.50
–62
29.4
–39
136.0
–86
4.78
–85
5.30
–84
5.70