pywws.conversions

conversions.py - a set of functions to convert pywws native units (Centigrade, mm, m/s, hPa) to other popular units

Functions

apparent_temp(temp, rh, wind)	Compute apparent temperature (real feel), using formula from http://www.bom.gov.au/info/thermal_stress/
cadhumidex(temp, humidity)	Calculate Humidity Index as per Canadian Weather Standards
cloud_base(temp, hum)	Calculate cumulus cloud base in metres, using formula from https://en.wikipedia.org/wiki/Cloud_base or https://de.wikipedia.org/wiki/Kondensationsniveau#Konvektionskondensationsniveau
cloud_ft(m)	Convert cloud base from metres to feet.
dew_point(temp, hum)	Compute dew point, using formula from http://en.wikipedia.org/wiki/Dew_point.
illuminance_wm2(lux)	Approximate conversion of illuminance in lux to solar radiation in W/m2
pressure_inhg(hPa)	Convert pressure from hectopascals/millibar to inches of mercury
pressure_trend_text(trend)	Convert pressure trend to a string, as used by the UK met office.
rain_inch(mm)	Convert rainfall from millimetres to inches
scale(value, factor)	Multiply value by factor, allowing for None values.
temp_f(c)	Convert temperature from Celsius to Fahrenheit
usaheatindex(temp, humidity[, dew])	Calculate Heat Index as per USA National Weather Service Standards
wind_bft(ms)	Convert wind from metres per second to Beaufort scale
wind_chill(temp, wind)	Compute wind chill, using formula from http://en.wikipedia.org/wiki/wind_chill
wind_kmph(ms)	Convert wind from metres per second to kilometres per hour
wind_kn(ms)	Convert wind from metres per second to knots
wind_mph(ms)	Convert wind from metres per second to miles per hour
winddir_average(data, threshold, min_count)	Compute average wind direction (in degrees) for a slice of data.
winddir_degrees(pts)	Convert wind direction from 0..15 to degrees
winddir_text(pts)	Convert wind direction from 0..15 to compass point text

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