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Country or Territory Station Name WMO Station Number National Station Id Number Period Element-Statistic Qualifier Code Statistic Description Unit Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Annual   Annual NCDC Computed Value  
AFGHANISTAN, ISLAMIC STATE OF Faiz abad 40904   1964-1983   Mean Number of Hours * 117.3   116.7   149.2   186.2   256.9   313.6   324.5   305.2   279.1   224.2   176.4   127.3   205.3   2576.6  
AFGHANISTAN, ISLAMIC STATE OF Sheberghan 40908   1964-1983   Mean Number of Hours * 115.3   124.1   162.3   198.2   297.9   364.3   365.9   346.1   304.6   242.9   175.8   125.7   236.9   2823.1  
AFGHANISTAN, ISLAMIC STATE OF Mazar-i-Sharif 40911   1959-1983   Mean Number of Hours * 122.2   118.4   158.1   193.8   299.9   352.9   364.4   332.7   298.2   223.2   173.6   125.5   229.9   2762.9  
AFGHANISTAN, ISLAMIC STATE OF Kunduz 40913   1958-1983   Mean Number of Hours * 114.4   114.6   158.9   201.0   276.5   332.1   340.2   315.5   289.7   221.8   169.3   118.3   229.5   2652.3  
AFGHANISTAN, ISLAMIC STATE OF Maimana 40922   1959-1983   Mean Number of Hours * 136.6   117.7   169.3   195.9   306.0   370.0   381.2   352.5   303.5   237.2   159.1   137.9   239.6   2866.9  
AFGHANISTAN, ISLAMIC STATE OF North Salang 40930   1960-1983   Mean Number of Hours * 112.8   105.8   128.4   154.5   215.1   269.9   287.6   276.6   226.5   184.3   149.4   118.5   188.2   2229.4  
AFGHANISTAN, ISLAMIC STATE OF Jabulsaraj 40932   1961-1983   Mean Number of Hours * 167.3   163.8   195.6   217.1   304.1   353.1   354.7   329.8   306.1   275.9   224.4   167.3   260.3   3059.2  
AFGHANISTAN, ISLAMIC STATE OF Qalai naw 40937   1970-1983   Mean Number of Hours * 127.4   120.8   170.9   162.5   264.0   344.8   367.2   334.0   310.8   197.0   175.4   110.2   201.4   2685.0  
AFGHANISTAN, ISLAMIC STATE OF Herat 40938   1958-1983   Mean Number of Hours * 149.3   153.5   202.5   235.7   329.6   362.6   378.6   344.8   323.2   274.0   235.0   143.1   253.8   3131.9  
AFGHANISTAN, ISLAMIC STATE OF Chakhcharan 40942   1968-1983   Mean Number of Hours * 146.4   150.2   198.6   223.9   320.6   383.9   389.4   358.0   344.7   267.7   217.9   154.7   250.1   3156.0  
AFGHANISTAN, ISLAMIC STATE OF Bamiyan 40945   1960-1983   Mean Number of Hours * 196.7   174.6   210.7   239.4   28.6   356.9   372.9   357.8   325.3   276.7   245.5   198.0   272.5   2983.1  
AFGHANISTAN, ISLAMIC STATE OF Kabul 40948   1956-1983   Mean Number of Hours * 177.2   178.6   204.5   232.5   310.3   353.4   356.8   339.7   303.9   282.6   253.2   182.4   264.5   3175.1  
AFGHANISTAN, ISLAMIC STATE OF Jalal Abad 40954   1959-1983   Mean Number of Hours * 180.9   182.7   207.1   227.8   304.8   339.6   325.9   299.7   293.6   277.6   231.0   185.6   257.5   3056.3  
AFGHANISTAN, ISLAMIC STATE OF Ghazni 40968   1958-1983   Mean Number of Hours * 175.3   174.8   227.6   258.6   314.3   346.2   353.2   341.8   324.5   293.9   256.4   194.6   269.6   3261.2  
AFGHANISTAN, ISLAMIC STATE OF Gardiz 40970   1964-1983   Mean Number of Hours * 171.5   166.8   214.2   242.9   316.2   357.5   343.0   335.8   329.8   302.4   253.9   200.4   270.7   3234.4  
AFGHANISTAN, ISLAMIC STATE OF Khost 40971   1962-1982   Mean Number of Hours * 207.7   189.9   220.1   226.7   292.2   285.3   252.8   250.3   274.8   256.1   248.0   180.9   239.5   2884.8  
AFGHANISTAN, ISLAMIC STATE OF Farah 40974   1960-1983   Mean Number of Hours * 204.3   198.1   236.3   253.3   333.4   360.6   358.9   345.8   318.2   288.4   251.1   201.9   276.5   3350.3  
AFGHANISTAN, ISLAMIC STATE OF Trinkot 40977   1972-1982   Mean Number of Hours * 194.4   167.2   219.1   260.8   341.1   378.3   359.5   349.3   327.2   288.1   260.9   200.4   281.4   3346.3  
AFGHANISTAN, ISLAMIC STATE OF Bust 40988   1960-1983   Mean Number of Hours * 200.5   194.5   236.9   267.6   335.5   348.2   336.8   313.3   322.7   283.4   253.7   208.9   278.1   3302.0  
AFGHANISTAN, ISLAMIC STATE OF Kandahar 40990   1964-1983   Mean Number of Hours * 199.9   180.6   234.6   254.7   346.1   369.7   342.2   338.5   322.9   306.7   263.8   216.1   281.3   3375.8  
ALBANIA VLORE 13600   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 2745.2   -9999.9 1
ALBANIA KUKES 13610   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 1973.1   -9999.9 1
ALBANIA TIRANE 13615   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 2543.9   -9999.9 1
ALBANIA SHKODER 13622   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 2369.2   -9999.9 1
ALBANIA GJIROKASTRA 13625   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 2456.8   -9999.9 1
ALBANIA KORCE 13629   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 2339.9   -9999.9 1
ARGENTINA ORAN AERO 87016   1961-1990   Percent of Possible * 46.0   43.0   -9999.9 1 -9999.9 1 -9999.9 1 30.0   -9999.9 1 49.0   -9999.9 1 -9999.9 1 44.0   42.0   -9999.9 1 -9999.9 1
ARGENTINA ORAN AERO 87016   1961-1990   Mean Number of Hours * 192.2   156.8   -9999.9 1 -9999.9 1 -9999.9 1 96.0   -9999.9 1 173.6   -9999.9 1 -9999.9 1 174.0   179.8   -9999.9 1 972.4  
ARGENTINA ORAN AERO 87016   1961-1990 06 Mean Number of Hours * 6.2   5.6   -9999.9 1 -9999.9 1 -9999.9 1 3.2   -9999.9 1 5.6   -9999.9 1 -9999.9 1 5.8   5.8   -9999.9 1 -9999.9 1
ARGENTINA ORAN AERO 87016   1961-1990 37 Number of Years used to Calculate Normal * 26   26   -9999.9 1 -9999.9 1 -9999.9 1 25   -9999.9 1 26   -9999.9 1 -9999.9 1 26   26   -9999.9 1 -9999.9 1
ARGENTINA SALTA AERO 87047   1961-1990   Percent of Possible * 39.0   37.0   28.0   33.0   40.0   -9999.9 1 52.0   56.0   45.0   47.0   43.0   39.0   -9999.9 1 -9999.9 1
ARGENTINA SALTA AERO 87047   1961-1990   Mean Number of Hours * 164.3   134.4   105.4   117.0   136.4   -9999.9 1 173.6   195.3   162.0   182.9   171.0   164.3   -9999.9 1 1706.6  
ARGENTINA SALTA AERO 87047   1961-1990 06 Mean Number of Hours * 5.3   4.8   3.4   3.9   4.4   -9999.9 1 5.6   6.3   5.4   5.9   5.7   5.3   -9999.9 1 -9999.9 1
ARGENTINA SALTA AERO 87047   1961-1990 37 Number of Years used to Calculate Normal * 29   29   29   27   29   -9999.9 1 26   27   26   26   29   29   -9999.9 1 -9999.9 1
ARGENTINA LAS LOMITAS 87078   1961-1990   Percent of Possible * 64.0   68.0   62.0   59.0   56.0   51.0   58.0   60.0   57.0   63.0   64.0   62.0   60.0   -9999.9 1
ARGENTINA LAS LOMITAS 87078   1961-1990   Mean Number of Hours * 272.8   246.4   235.6   210.0   192.2   162.0   192.2   213.9   207.0   260.4   261.0   263.5   2717.0   2717.0  
ARGENTINA LAS LOMITAS 87078   1961-1990 06 Mean Number of Hours * 8.8   8.8   7.6   7.0   6.2   5.4   6.2   6.9   6.9   8.4   8.7   8.5   7.5   -9999.9 1
ARGENTINA LAS LOMITAS 87078   1961-1990 37 Number of Years used to Calculate Normal * 29   29   30   29   29   29   29   28   28   28   28   29   -9999.9 1 -9999.9 1
ARGENTINA SANTIAGO DEL ESTERO AERO 87129   1961-1990   Percent of Possible * 54.0   58.0   48.0   47.0   44.0   -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 52.0   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA SANTIAGO DEL ESTERO AERO 87129   1961-1990   Mean Number of Hours * 229.4   210.0   182.9   162.0   148.8   -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 213.0   -9999.9 1 -9999.9 1 1146.1  
ARGENTINA SANTIAGO DEL ESTERO AERO 87129   1961-1990 06 Mean Number of Hours * 7.4   7.5   5.9   5.4   4.8   -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 7.1   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA SANTIAGO DEL ESTERO AERO 87129   1961-1990 37 Number of Years used to Calculate Normal * 26   25   27   27   26   -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 -9999.9 1 25   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA PRESIDENCIA R S PE%A AERO 87149   1961-1990   Percent of Possible * -9999.9 1 -9999.9 1 58.0   51.0   -9999.9 1 -9999.9 1 -9999.9 1 57.0   55.0   62.0   62.0   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA PRESIDENCIA R S PE%A AERO 87149   1961-1990   Mean Number of Hours * -9999.9 1 -9999.9 1 223.2   174.0   -9999.9 1 -9999.9 1 -9999.9 1 198.4   198.0   248.0   249.0   -9999.9 1 -9999.9 1 1290.6  
ARGENTINA PRESIDENCIA R S PE%A AERO 87149   1961-1990 06 Mean Number of Hours * -9999.9 1 -9999.9 1 7.2   5.8   -9999.9 1 -9999.9 1 -9999.9 1 6.4   6.6   8.0   8.3   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA PRESIDENCIA R S PE%A AERO 87149   1961-1990 37 Number of Years used to Calculate Normal * -9999.9 1 -9999.9 1 26   26   -9999.9 1 -9999.9 1 -9999.9 1 26   25   27   26   -9999.9 1 -9999.9 1 -9999.9 1
ARGENTINA FORMOSA AERO 87162   1963-1990   Percent of Possible * 66.0   65.0   60.0   58.0   60.0   54.0   58.0   52.0   52.0   59.0   64.0   67.0   60.0   -9999.9 1
ARGENTINA FORMOSA AERO 87162   1963-1990   Mean Number of Hours * 279.0   235.2   229.4   201.0   201.5   171.0   192.2   179.8   186.0   232.5   255.0   282.1   2644.7   2644.7  
ARGENTINA FORMOSA AERO 87162   1963-1990 06 Mean Number of Hours * 9.0   8.4   7.4   6.7   6.5   5.7   6.2   5.8   6.2   7.5   8.5   9.1   7.3   -9999.9 1
ARGENTINA FORMOSA AERO 87162   1963-1990 37 Number of Years used to Calculate Normal * 28   28   26   28   27   28   27   28   26   27   28   26   -9999.9 1 -9999.9 1

Footnotes

1 - code for missing value
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: 2010/07/14
Next update in UNdata: To be confirmed