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==Units==
The units used for pressure are hPa (hecto Pascals), oralthough not a System International unit, this is used by meterorologists in much of the equivalentworld) or mb (millibars, this is the equivalent used for public communications), but inmmHg the(millimetres USof mercury, not used now), kPa (kiloPascals, used in Canada), inHg (inches of mercury), areused stillin usedUSA and by some UK instruments) are alternatives. Cumulus [[cumulus.ini|supports]]:
*0 = mb (millibars)
*1 = hPa (hectoPascals)
*2 = in (inches of mercury)
==Datum==
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