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Appendix C. Dew point VS. Relative Humidity
The table below explains the relationship between temperature/relative humidity and dew point.
Celsius (
°
C) -20 -20 -20 -20 -20 -20 -20 -20
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -43.87 -37.24 -33.15 -30.15 -27.76 -25.77 -24.06 -22.56
Celsius (
°
C) -10 -10 -10 -10 -10 -10 -10 -10
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -35.94 -28.76 -24.32 -21.06 -18.46 -16.30 -14.43 -12.79
Celsius (
°
C) 0 0 0 0 0 0 0
0
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -28.08 -20.33 -15.54 -12.01 -9.19 -6.84 -4.82 -3.03
Celsius (
°
C) 10 10 10 10 10 10 10 10
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -20.29 -11.96 -6.80 -2.99 0.04 2.58 4.77 6.70
Celsius (
°
C) 25 25 25 25 25 25 25 25
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -8.75 0.47 6.22 10.46 13.85 16.69 19.14 21.30
Celsius (
°
C) 35 35 35 35 35 35 35 35
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) -1.15 8.7 14.84 19.39 23.02 26.07 28.70 31.03
Celsius (
°
C) 45 45 45 45 45 45 45 45
Relative Humidity (%) 10 20 30 40 50 60 70 80
Dew point (
°
C) 6.38 16.87 23.42 28.28 32.17 35.43 38.25 40.74