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September 17, 2016 15:05
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Playing with Swift 3's Units and Measurements to calculate humidex values.
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| import Foundation | |
| // The air temperature in degrees Celsius. | |
| var airTemperature = Measurement(value: 29.74, unit: UnitTemperature.celsius) | |
| // The dewpoint temperature in degrees Celsius. | |
| var dewpoint = Measurement(value: 19.08, unit: UnitTemperature.celsius) | |
| // Calculate the humidex value. | |
| let humidex = airTemperature.value + 0.5555 * ((6.11 * exp(5417.7530 * ((1/273.16) - (1/dewpoint.converted(to: UnitTemperature.kelvin).value)))) - 10) |
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