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Number Days with DustSearch glossaries

Source: World Meteorological Organization Standard Normals | World Meteorological Organization

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34 records | Page 1 of 1 |

Country or Territory	Station Name	WMO Station Number	Period	Statistic Description	Unit	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual		Annual NCDC Computed Value
IRAN, ISLAMIC REPUBLIC OF	TABRIZ	40706	1961-1990	Mean Monthly Value	count	0.8	0.6	1.1	2.6	2.3	3.2	3.6	2.9	2.6	1.8	0.8	0.4	22.7		22.7
IRAN, ISLAMIC REPUBLIC OF	OROOMIEH	40712	1961-1990	Mean Monthly Value	count	0.3	0.1	0.7	0.5	0.9	1.0	0.5	0.8	0.8	0.7	0.2	0.2	6.7		6.7
IRAN, ISLAMIC REPUBLIC OF	BANDAR ANZALI	40718	1961-1990	Mean Monthly Value	count	0.2	0.1	0.2	0.2	0.1	0.1	0.1	0.1	0.0	0.0	0.1	0.1	1.3		1.3
IRAN, ISLAMIC REPUBLIC OF	RASHT	40719	1961-1990	Mean Monthly Value	count	0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.0	0.1	0.1	0.2	0.1	1.4		1.4
IRAN, ISLAMIC REPUBLIC OF	ZANJAN	40729	1961-1990	Mean Monthly Value	count	0.2	0.1	0.4	0.6	0.7	0.8	0.7	0.9	0.6	0.5	0.1	0.1	5.7		5.7
IRAN, ISLAMIC REPUBLIC OF	RAMSAR	40732	1961-1990	Mean Monthly Value	count	0.2	0.2	0.2	0.5	0.3	0.4	0.5	0.7	0.3	0.3	0.2	0.1	3.9		3.9
IRAN, ISLAMIC REPUBLIC OF	BABOLSAR	40736	1961-1990	Mean Monthly Value	count	0.3	0.2	0.2	0.1	0.2	0.1	0.0	0.1	0.1	0.1	0.1	0.1	1.6		1.6
IRAN, ISLAMIC REPUBLIC OF	SHAHROUD	40739	1961-1990	Mean Monthly Value	count	0.1	0.3	0.9	1.8	1.2	1.4	1.9	1.6	0.8	0.4	0.1	0.0	10.5		10.5
IRAN, ISLAMIC REPUBLIC OF	MASHHAD	40745	1961-1990	Mean Monthly Value	count	0.9	1.2	2.4	3.5	3.3	5.7	6.9	5.4	3.8	3.2	1.5	1.0	38.8		38.8
IRAN, ISLAMIC REPUBLIC OF	TEHRAN MEHRABAD	40754	1961-1990	Mean Monthly Value	count	1.2	0.8	1.9	3.1	3.5	4.9	4.9	3.0	2.9	2.3	0.8	0.8	30.1		30.1
IRAN, ISLAMIC REPUBLIC OF	SEMNAN	40757	1965-1990	Mean Monthly Value	count	0.1	0.2	0.8	0.9	1.1	0.8	0.0	0.2	0.2	0.3	0.0	0.1	4.7		4.7
IRAN, ISLAMIC REPUBLIC OF	KERMANSHAH	40766	1961-1990	Mean Monthly Value	count	0.3	0.6	2.1	4.0	4.9	4.6	6.2	5.1	3.8	2.6	0.9	0.3	35.4		35.4
IRAN, ISLAMIC REPUBLIC OF	HAMEDAN NOZHEH	40767	1961-1990	Mean Monthly Value	count	0.6	1.0	3.1	6.2	6.1	7.9	9.5	7.3	4.4	4.6	1.5	0.5	52.7		52.7
IRAN, ISLAMIC REPUBLIC OF	ARAK	40769	1961-1990	Mean Monthly Value	count	0.1	0.1	1.1	1.8	2.5	3.4	3.3	2.5	1.5	1.1	0.2	0.0	17.6		17.6
IRAN, ISLAMIC REPUBLIC OF	KHORAM ABAD	40782	1961-1990	Mean Monthly Value	count	0.3	0.8	2.3	2.6	2.1	1.8	1.4	1.6	0.5	0.8	0.1	0.3	14.6		14.6
IRAN, ISLAMIC REPUBLIC OF	DEZFUL	40795	1961-1990	Mean Monthly Value	count	2.2	4.4	8.2	9.5	14.6	17.5	19.2	16.7	10.8	8.9	3.7	2.3	118.0		118.0
IRAN, ISLAMIC REPUBLIC OF	ESFAHAN	40800	1961-1990	Mean Monthly Value	count	0.9	1.2	2.0	3.0	2.9	3.7	3.6	3.0	2.4	2.5	1.9	1.5	28.6		28.6
IRAN, ISLAMIC REPUBLIC OF	BIRJAND	40809	1961-1990	Mean Monthly Value	count	0.9	1.6	3.4	3.3	2.2	2.8	4.2	3.2	0.9	0.4	0.4	0.6	23.9		23.9
IRAN, ISLAMIC REPUBLIC OF	YAZD	40821	1961-1990	Mean Monthly Value	count	2.5	4.7	8.0	10.8	12.0	10.3	9.5	6.6	4.5	4.6	2.1	2.5	78.1		78.1
IRAN, ISLAMIC REPUBLIC OF	ABADAN	40831	1961-1990	Mean Monthly Value	count	2.4	4.5	7.9	8.0	12.4	17.2	16.5	13.2	7.9	4.9	3.2	2.7	100.8		100.8
IRAN, ISLAMIC REPUBLIC OF	KERMAN	40841	1961-1990	Mean Monthly Value	count	1.8	3.1	4.8	5.4	4.5	3.2	4.5	2.3	1.1	1.3	0.7	1.3	34.0		34.0
IRAN, ISLAMIC REPUBLIC OF	SHIRAZ	40848	1961-1990	Mean Monthly Value	count	1.4	2.4	5.4	8.8	10.3	11.4	13.8	12.0	7.3	6.0	2.7	1.6	83.1		83.1
IRAN, ISLAMIC REPUBLIC OF	ZAHEDAN	40856	1961-1990	Mean Monthly Value	count	4.3	5.6	8.6	7.4	6.6	8.9	11.6	9.3	4.8	2.4	2.2	3.9	75.6		75.6
IRAN, ISLAMIC REPUBLIC OF	BUSHEHR	40858	1961-1990	Mean Monthly Value	count	3.5	5.5	7.8	9.1	11.8	13.9	12.1	9.4	5.7	4.8	3.8	3.2	90.6		90.6
IRAN, ISLAMIC REPUBLIC OF	BANDAR ABASS	40875	1961-1990	Mean Monthly Value	count	2.8	4.9	7.2	8.2	9.2	8.2	11.7	10.1	6.0	4.4	3.7	3.0	79.4		79.4
IRAN, ISLAMIC REPUBLIC OF	IRANSHAHR	40879	1964-1990	Mean Monthly Value	count	1.8	3.0	5.4	6.7	5.8	6.5	10.4	6.2	3.3	1.2	1.1	0.9	52.3		52.3
IRAN, ISLAMIC REPUBLIC OF	BANDAR LENGEH	40883	1966-1990	Mean Monthly Value	count	2.6	2.8	5.2	5.7	7.0	4.9	7.4	7.9	5.3	2.6	1.8	2.0	55.2		55.2
IRAN, ISLAMIC REPUBLIC OF	CHAHBAHAR	40898	1963-1990	Mean Monthly Value	count	2.4	2.6	3.8	3.2	3.7	2.8	3.5	1.9	0.9	1.5	1.0	1.8	29.1		29.1
JORDAN	MA'AN AIRPORT	40310	1961-1990	Mean Monthly Value	count	0.0	0.1	0.3	0.2	0.1	0.1	0.1	0.1	0.1	0.2	0.0	0.3	1.6		1.6
SAUDI ARABIA	DHAHRAN	40416	1961-1990	Mean Monthly Value	count	3.8	4.2	5.6	5.6	7.0	11.3	9.3	6.8	3.3	3.0	2.4	2.7	-9999.9	1	65.0
SAUDI ARABIA	MADINAH	40430	1961-1990	Mean Monthly Value	count	1.5	1.9	3.2	3.6	2.1	1.4	1.5	1.0	.9	1.0	1.3	.8	-9999.9	1	20.2
SAUDI ARABIA	RIYADH OLD	40438	1961-1990	Mean Monthly Value	count	5.6	7.2	8.9	8.8	10.0	8.0	6.2	6.0	5.0	3.6	5.5	4.6	-9999.9	1	79.4
SAUDI ARABIA	JEDDAH	41024	1961-1990	Mean Monthly Value	count	2.3	1.8	3.2	3.2	2.6	2.8	1.5	2.3	2.1	1.6	1.8	1.4	-9999.9	1	26.6
SAUDI ARABIA	TAIF	41036	1961-1990	Mean Monthly Value	count	1.2	1.5	2.7	1.7	1.3	2.5	2.8	1.8	1.3	.9	.7	.9	-9999.9	1	19.3

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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

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