Yerevan Zvartnots (854m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax-7251558321854198677788821854198677788821854
Tmin17010824767962227671601466991170232585718531871821836539751
Duration of sunshine40976066100000
Precipitation313280171420472903288132660
Humidity/Visibility000000


ParameterJulAugSepOctNovDec
Tmax198677788821854198677788821854198677808221854
Tmin163395543978644361986777888218542540
Duration of sunshine001953785903168082750418521426891668180271
Precipitation16872524570638690000016897620470
Humidity/Visibility000000


Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured.