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Dew Point vs. Parts per Million*

 

 
Dewpoint
°F °C ppm
-130 -90 0.1
-120 -84 0.25
-110 -79 0.63
-105 -76 1
-104 -76 1.08
-103 -75 1.18
-102 -74 1.29
-101 -74 1.4
-100 -73 1.53
-99 -73 1.66
-98 -72 1.81
-97 -72 1.96
-96 -71 2.15
-95 -71 2.35
-94 -70 2.54
-93 -69 2.76
-92 -69 3
-91 -68 3.28
-90 -68 3.53
-89 -67 3.84
-88 -67 4.15
-87 -66 4.5
-86 -66 4.78
-85 -65 5.3
-84 -64 5.7
-83 -64 6.2
-82 -63 6.6
-81 -63 7.2
-80 -62 7.8
-79 -62 8.4
-78 -61 9.1
-77 -61 9.8
-76 -60 10.5
-75 -59 11.4
-74 -59 12.3
Dewpoint
°F °C ppm
-73 -58 13.3
-72 -58 14.3
-71 -57 15.4
-70 -57 16.6
-69 -56 17.9
-68 -56 19.2
-67 -55 20.6
-66 -54 22.1
-65 -54 23.6
-64 -53 25.6
-63 -53 27.5
-62 -52 29.4
-61 -52 31.7
-60 -51 34
-59 -51 36.5
-58 -50 39
-57 -49 41.8
-56 -49 44.6
-55 -48 48
-54 -48 51
-53 -47 55
-52 -47 59
-51 -46 62
-50 -46 67
-49 -45 72
-48 -44 76
-47 -44 82
-46 -43 87
-45 -42.8 92
-44 -42.2 98
-43 -41.7 105
-42 -41.1 113
-41 -40.6 119
-40 -40 128
-39 -39.4 136
Dewpoint
°F °C ppm
-38 -38.9 144
-37 -38.3 153
-36 -37.8 164
-35 -37.2 174
-34 -36.7 185
-33 -36.1 196
-32 -35.6 210
-31 -35 222
-30 -34.4 235
-29 -33.9 250
-28 -33.3 265
-27 -32.8 283
-26 -32.2 300
-25 -31.7 317
-24 -31.1 338
-23 -30.6 358
-22 -30 378
-21 -29.5 400
-20 -28.9 422
-19 -28.4 448
-18 -27.8 475
-17 -27.2 500
-16 -26.7 530
-15 -26.1 560
-14 -25.6 590
-13 -25 630
-12 -24.4 660
-11 -23.9 700
-10 -23.3 740
-9 -22.8 780
-8 -22.2 820
-7 -21.7 870
-6 -21.1 920
-5 -20.6 970
-4 -20 1,020
* @ 760 Torr

 

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