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Country or TerritoryStation NameWMO Station NumberNational Station Id NumberPeriodElement-Statistic Qualifier CodeStatistic DescriptionUnitJan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Annual NCDC Computed Value 
AFGHANISTAN, ISLAMIC STATE OFFaiz abad40904 1964-1983 Mean Monthly Valuecount0.0 0.0 1.0 4.0 7.0 4.0 1.0 0.0 0.0 0.0 0.0 0.0 17.0 17.0 
AFGHANISTAN, ISLAMIC STATE OFSheberghan40908 1964-1983 Mean Monthly Valuecount0.0 0.0 1.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 3.0 
AFGHANISTAN, ISLAMIC STATE OFMazar-i-Sharif40911 1959-1983 Mean Monthly Valuecount0.0 0.0 1.0 3.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.0 6.0 
AFGHANISTAN, ISLAMIC STATE OFKunduz40913 1958-1983 Mean Monthly Valuecount0.0 0.0 0.0 2.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 5.0 
AFGHANISTAN, ISLAMIC STATE OFMaimana40922 1959-1983 Mean Monthly Valuecount0.0 0.0 1.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 4.0 
AFGHANISTAN, ISLAMIC STATE OFNorth Salang40930 1960-1983 Mean Monthly Valuecount0.0 0.0 0.0 1.0 2.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 5.0 5.0 
AFGHANISTAN, ISLAMIC STATE OFJabulsaraj40932 1961-1983 Mean Monthly Valuecount0.0 0.0 1.0 4.0 3.0 1.0 1.0 1.0 1.0 2.0 0.0 0.0 14.0 14.0 
AFGHANISTAN, ISLAMIC STATE OFQalai naw40937 1970-1983 Mean Monthly Valuecount0.0 0.0 0.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 
AFGHANISTAN, ISLAMIC STATE OFHerat40938 1958-1983 Mean Monthly Valuecount0.0 1.0 2.0 3.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.0 7.0 
AFGHANISTAN, ISLAMIC STATE OFChakhcharan40942 1968-1983 Mean Monthly Valuecount0.0 0.0 1.0 3.0 4.0 0.0 0.0 0.0 0.0 1.0 0.0 0.0 9.0 9.0 
AFGHANISTAN, ISLAMIC STATE OFBamiyan40945 1960-1983 Mean Monthly Valuecount0.0 0.0 0.0 1.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 4.0 
AFGHANISTAN, ISLAMIC STATE OFKabul40948 1956-1983 Mean Monthly Valuecount0.0 0.0 1.0 7.0 7.0 2.0 3.0 2.0 2.0 2.0 1.0 0.0 27.0 27.0 
AFGHANISTAN, ISLAMIC STATE OFJalal Abad40954 1959-1983 Mean Monthly Valuecount0.0 0.0 2.0 4.0 6.0 3.0 4.0 5.0 5.0 2.0 1.0 0.0 32.0 32.0 
AFGHANISTAN, ISLAMIC STATE OFGhazni40968 1958-1983 Mean Monthly Valuecount0.0 0.0 2.0 4.0 5.0 2.0 3.0 2.0 0.0 1.0 0.0 0.0 19.0 19.0 
AFGHANISTAN, ISLAMIC STATE OFGardiz40970 1964-1983 Mean Monthly Valuecount0.0 0.0 2.0 5.0 5.0 2.0 5.0 3.0 2.0 1.0 0.0 0.0 25.0 25.0 
AFGHANISTAN, ISLAMIC STATE OFKhost40971 1962-1982 Mean Monthly Valuecount0.0 0.0 2.0 5.0 6.0 3.0 6.0 8.0 5.0 2.0 1.0 0.0 38.0 38.0 
AFGHANISTAN, ISLAMIC STATE OFFarah40974 1960-1983 Mean Monthly Valuecount0.0 0.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 
AFGHANISTAN, ISLAMIC STATE OFTrinkot40977 1972-1982 Mean Monthly Valuecount0.0 1.0 1.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 5.0 5.0 
AFGHANISTAN, ISLAMIC STATE OFZaranj40986 1969-1983 Mean Monthly Valuecount0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
AFGHANISTAN, ISLAMIC STATE OFBust40988 1960-1983 Mean Monthly Valuecount0.0 1.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 3.0 
AFGHANISTAN, ISLAMIC STATE OFKandahar40990 1964-1983 Mean Monthly Valuecount0.0 0.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 
ALBANIAVLORE13600 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.9126.0 -9999.91
ALBANIAKUKES13610 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.917.0 -9999.91
ALBANIATIRANE13615 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.9113.0 -9999.91
ALBANIASHKODER13622 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.9112.0 -9999.91
ALBANIAGJIROKASTRA13625 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.9117.0 -9999.91
ALBANIAKORCE13629 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.91-9999.919.0 -9999.91
AUSTRIASt. Plten11028 1961-1990 Mean Monthly Valuecount0.0 0.0 0.2 1.3 4.0 5.3 5.8 4.7 1.4 0.2 0.0 0.1 -9999.9123.0 
AUSTRIAWien-Hohe Warte11035 1961-1990 Mean Monthly Valuecount0.7 0.7 0.6 2.5 5.1 6.9 6.3 5.9 1.6 0.3 0.3 0.4 -9999.9131.3 
AUSTRIASonnblick11146 1961-1990 Mean Monthly Valuecount0.1 0.0 0.0 0.3 1.6 4.2 6.1 4.9 1.8 0.3 0.1 0.1 -9999.9119.5 
AUSTRIASalzburg11150 1961-1990 Mean Monthly Valuecount1.1 1.0 1.7 2.7 6.4 8.5 8.4 7.5 2.9 0.7 1.0 1.1 -9999.9143.0 
AUSTRIAKlagenfurt11231 1961-1990 Mean Monthly Valuecount0.1 0.3 0.5 1.9 6.5 9.9 11.6 9.7 4.5 1.5 1.0 0.3 -9999.9147.8 
AUSTRIAGraz-Thalerhof11240 1961-1990 Mean Monthly Valuecount0.2 0.1 0.3 1.7 6.6 9.8 9.6 9.2 3.5 1.0 0.3 0.1 -9999.9142.4 
AUSTRIAInnsbruck-Uni11801 1961-1990 Mean Monthly Valuecount0.0 0.2 0.2 0.6 3.0 6.0 8.2 7.1 2.5 0.4 0.1 0.1 -9999.9128.4 
BAHRAINBAHRAIN INTERNATIONAL AIRPORT41150 1961-1990 Mean Monthly Valuecount1.1 0.9 1.7 1.9 0.6 0.0 0.0 0.0 0.0 0.2 0.6 0.8 -9999.917.8 
BENINKANDI65306 1961-1990 Mean Monthly Valuecount0.0 0.0 2.0 8.0 15.0 18.0 19.0 20.0 20.0 8.0 0.0 0.0 112.0 110.0 
BENINNATITINGOU65319 1961-1990 Mean Monthly Valuecount0.0 1.0 6.0 12.0 16.0 15.0 17.0 16.0 20.0 15.0 3.0 1.0 122.0 122.0 
BENINPARAKOU65330 1961-1990 Mean Monthly Valuecount1.0 1.0 6.0 13.0 16.0 15.0 13.0 13.0 18.0 14.0 2.0 1.0 111.0 113.0 
BENINSAVE65335 1961-1990 Mean Monthly Valuecount2.0 4.0 10.0 15.0 15.0 16.0 11.0 9.0 13.0 15.0 3.0 2.0 114.0 115.0 
BENINBOHICON65338 1961-1990 Mean Monthly Valuecount1.0 5.0 12.0 15.0 16.0 14.0 8.0 5.0 10.0 14.0 5.0 2.0 106.0 107.0 
BENINCOTONOU65344 1961-1990 Mean Monthly Valuecount2.0 3.0 8.0 10.0 15.0 14.0 3.0 1.0 4.0 11.0 9.0 3.0 84.0 83.0 
BULGARIALom15511 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.912.0 5.0 7.0 5.0 4.0 2.0 -9999.91-9999.91-9999.9125.0 -9999.91
BULGARIAVarna15552 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.911.0 1.0 4.0 3.0 3.0 1.0 1.0 -9999.91-9999.9114.0 -9999.91
BULGARIASofia15614 1961-1990 Mean Monthly Valuecount-9999.91-9999.911.0 2.0 8.0 9.0 8.0 7.0 2.0 1.0 -9999.91-9999.9138.0 -9999.91
BULGARIABURGAS15655 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.912.0 4.0 6.0 4.0 3.0 2.0 1.0 -9999.91-9999.9122.0 -9999.91
BULGARIASandanski15712 1961-1990 Mean Monthly Valuecount-9999.91-9999.911.0 2.0 8.0 -9999.9110.0 7.0 6.0 3.0 1.0 1.0 36.0 -9999.91
BULGARIASADOVO15998 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.911.0 2.0 1.0 1.0 -9999.91-9999.91-9999.91-9999.915.0 -9999.91
BULGARIAOBRASTZOV CHIFLIK15999 1961-1990 Mean Monthly Valuecount-9999.91-9999.91-9999.91-9999.91-9999.911.0 1.0 -9999.91-9999.91-9999.91-9999.91-9999.912.0 -9999.91
CANADASABLE ISLAND , NS71600082047001955-1990 Mean Monthly Valuecount-9797.92-9797.92-9797.92-9797.921 2 2 2 1 1 -9797.92-9797.9212 9.0 
CANADASABLE ISLAND , NS71600082047001955-199015Number of Years used to Calculate Normalcount30 30 30 30 30 30 29 29 30 30 30 30 -9999.91-9999.91

Footnotes

1 - code for missing value
2 - code for value > 0.0 but < the smallest unit at the archived precision
Source

World Meteorological Organization Standard Normals

Source:  World Meteorological Organization

WMO data provide the basis for better understanding the climatology of severe weather and extreme events such as tropical cyclones, El Niño, floods, heat waves, cold waves, droughts and other natural hazards, contributing to saving both lives and property, and improving our understanding and monitoring of the climate system and environment. WMO has drawn attention to issues of major concern, such as ozone layer depletion, global warming, climate change and diminishing water resources.

WMO enhances the application of meteorological and hydrological information for the security and well-being of society. Such information is crucial for addressing major challenges such as food security, water resources management, reduction of pollution, decision-making related to the health sector, transport, tourism among others.

WMO provides guidelines to use procedures for analysing climate data for climate change purposes as well as for other applications. This includes, inter-alia, analysis of extremes in a changing climate, the role of climatological normals in a changing climate and climate data homogenisation. Description of processes, methodologies and practices in climatology are provided within a mandatory publication representing the WMO guide to climatological practices.

WMO defines climatological standard normals as "averages of climatological data computed for the following consecutive periods of 30 years: January 1, 1901 to December 31, 1930, January 1, 1931 to December 31, 1960, etc." (WMO, 1984).The latest global standard normals period is 1961-1990. The next standard normals periode is January 1991 – December 2020.
Last update in UNdata: 14 Jul 2010
Next update in UNdata: To be confirmed