Relative Humidity
(Ahrens, Appendix B)
¥Consider air that is saturated at 0oC
¥Temp VP   SVP RH
¥  0oC 6 mb   6 mb 100%
¥10oC 6 mb 12 mb 50%
¥20oC 6 mb 23 mb 28%
¥30oC 6 mb 42 mb 14%
¥40oC 6 mb 68 mb    9%