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| KINGDOM OF SAUDI ARABIA
MINISTRY OF DEFENCE & AVIATION
PRESIDENCY OF METEOROLOGY & ENVIRONMENT PROTECTION
NATIONAL METEOROLOGY & ENVIRONMENT CENTER
SURFACE ANNUAL CLIMATOLOGICAL REPORT
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| المملكة العربية السعودية
وزارة الدفاع و الطيران
الرئاسة العامة للأرصادوحماية البيئة
المركزالوطني للأرصاد والبيئة
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| PROVISIONAL NORMALS FROM:
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| 1980
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| To
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| 2007
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| Station No.:
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| 40438
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| Station Name:
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| Riyadh Old
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| LAT:
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| 24 42 40N
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| LONG:
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| 46 44 18E
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| Elevation:
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| 619.63
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| METER
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| Temperature (Deg. C)
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| Relative
Humidity
(%)
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| Surface Wind(Kts)
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| Pressure(hPa)
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| Precipitation (mm)
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| Mean
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| Extremes
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| Prev
Dir
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| Maximum
Speed
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| Vap
-or
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| Station
Level
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| Sea
Level
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| 24 Hours Total
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| Monthly
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| Mo
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| MX
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| MN
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| M
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| MX
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| YY
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| DD
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| MN
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| YY
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| DD
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| MX
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| MN
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| M
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| M
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| MX
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| DDD
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| M
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| M
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| M
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| M
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| Ext.
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| YY
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| Ext.
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| YY
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| DD
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| 01
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| 20.2
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| 9.0
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| 14.4
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| 31.5
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| 2006
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| 27
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| - .5
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| 1989
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| 07
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| 100
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| 3
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| 47
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| SSE
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| 6
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| 35
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| 16
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| 7.5
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| 948.2
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| 1020
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| 11.7
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| 54.6
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| 1993
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| 25.7
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| 1993
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| 12
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| 02
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| 23.0
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| 11.0
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| 16.9
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| 34.8
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| 2006
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| 08
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| .5
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| 1989
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| 07
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| 100
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| 4
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| 38
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| SSE
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| 7
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| 31
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| 18
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| 7.1
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| 946.6
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| 1017.6
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| 8.5
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| 53.9
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| 2005
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| 37.5
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| 2005
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| 25
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| 03
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| 27.3
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| 15.0
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| 21.1
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| 38.0
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| 1980
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| 28
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| 4.5
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| 1992
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| 04
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| 100
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| 3
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| 34
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| SSE
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| 7
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| 55
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| 30
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| 8.0
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| 944.4
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| 1014.2
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| 24.7
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| 108.9
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| 1995
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| 52.5
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| 1995
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| 21
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| 04
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| 33.3
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| 20.3
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| 26.8
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| 42.0
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| 1999
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| 27
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| 11.0
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| 1989
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| 01
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| 100
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| 3
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| 28
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| SSE
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| 7
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| 70
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| 35
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| 9.0
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| 942.7
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| 1010.9
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| 22.3
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| 106.6
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| 1986
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| 30.0
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| 1995
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| 28
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| 05
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| 39.1
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| 25.7
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| 32.7
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| 45.1
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| 1998
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| 28
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| 18.0
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| 1990
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| 14
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| 95
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| 1
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| 17
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| N
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| 6
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| 51
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| 32
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| 7.8
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| 940.2
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| 1007
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| 4.6
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| 39.5
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| 1993
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| 29.5
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| 1993
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| 12
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| 06
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| 42.4
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| 27.6
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| 35.4
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| 47.0
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| 2003
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| 11
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| 16.0
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| 2004
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| 17
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| 45
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| 1
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| 11
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| N
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| 7
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| 40
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| 35
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| 5.8
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| 936.4
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| 1002.3
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| 0.0
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| 0.0
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| .0
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| 07
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| 43.5
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| 29.1
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| 36.6
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| 48.0
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| 1987
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| 25
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| 23.6
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| 1991
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| 03
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| 54
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| 2
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| 10
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| N
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| 7
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| 40
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| 10
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| 6.1
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| 934.0
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| 998.5
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| 0.0
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| 0.3
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| 1980
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| .3
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| 1980
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| 20
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| 08
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| 43.2
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| 28.8
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| 36.3
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| 47.8
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| 1998
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| 07
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| 22.7
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| 1989
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| 26
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| 64
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| 2
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| 12
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| N
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| 6
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| ***
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| 7
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| 7.1
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| 935.2
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| 1000.8
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| 0.2
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| 5.6
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| 1998
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| 5.6
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| 1998
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| 28
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| 09
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| 40.3
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| 25.7
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| 33.2
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| 44.5
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| 1999
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| 01
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| 16.1
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| 1989
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| 22
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| 70
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| 1
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| 14
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| N
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| 5
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| 30
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| 1
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| 6.7
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| 939.7
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| 1006.3
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| 0.0
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| 0.0
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| .0
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| 10
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| 35.0
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| 20.9
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| 28.1
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| 41.0
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| 1987
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| 03
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| 13.0
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| 1984
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| 21
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| 92
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| 3
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| 21
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| SSE
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| 4
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| 35
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| 35
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| 7.4
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| 944.8
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| 1012.9
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| 1.7
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| 27.1
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| 1982
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| 10.2
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| 1982
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| 13
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| 11
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| 27.7
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| 15.4
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| 21.4
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| 36.0
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| 2006
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| 04
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| 7.0
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| 1988
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| 15
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| 100
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| 2
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| 36
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| SSE
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| 5
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| ***
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| 30
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| 8.7
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| 947.5
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| 1017.3
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| 7.9
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| 98.0
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| 1997
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| 45.8
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| 1997
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| 02
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| 12
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| 22.0
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| 10.6
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| 16.1
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| 31.0
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| 1991
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| 12
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| 1.4
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| 1990
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| 29
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| 100
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| 4
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| 47
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| SSE
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| 5
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| 30
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| 30
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| 8.3
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| 948.7
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| 1019
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| 13.0
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| 97.8
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| 2003
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| 70.0
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| 2003
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| 03
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| MX
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| 43.5
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| 48.0
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| 100
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| ***
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| 108.9
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| 70.0
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| MN
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| 9.0
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| - .5
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| 1
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| M
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| 26.6
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| 26
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| 6
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| 7.5
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| 942.4
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| 1010.6
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| 7.9
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| Number of Days with Occurrence of following Weather Phenomena
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| LAT,N=Latitude in Degrees Minutes and Seconds, North of the Equator
LONG,E=Longitude in Degrees Minutes and Seconds, East of Greenwich
mm=Millimeter
Ext=Extreme
Kts=Knots
YY=Year
DD=Day
Press=Pressure
Dir=Direction in 16 points Compass
DDD=Direction in Degrees
hPa=Hectopascal
Deg C=Degrees Celcius
MO=Month,
MX=Maximum
MN=Minimum
AVG=Average
M=Mean
PREV=Prevailing
Precip=Precipitation
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| Month
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| Thunder
Storm
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| Precip
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| Mist
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| Fog
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| Blowing
Dust
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| Dust/Sand
Storm
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| Haze
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| 01
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| .9
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| 05.8
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| 04.7
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| 0.9
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| 02.8
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| 0.1
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| 12.4
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| 02
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| 2.2
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| 04.8
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| 02.5
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| 0.3
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| 05.2
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| 0.5
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| 14.0
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| 3.7
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| 09.8
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| 02.0
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| 0.1
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| 06.8
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| 0.9
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| 16.5
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| 03
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| 04
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| 4.4
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| 10.0
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| 00.9
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| 0.0
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| 08.1
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| 1.4
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| 17.2
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| 05
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| 1.9
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| 03.5
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| 00.1
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| 0.0
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| 08.4
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| 1.3
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| 21.0
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| 06
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| .1
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| 00.0
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| 00.0
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| 0.0
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| 06.0
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| 0.3
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| 17.0
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| 07
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| .0
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| 00.2
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| 00.0
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| 0.0
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| 05.8
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| 0.3
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| 16.4
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| 08
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| .2
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| 00.2
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| 00.0
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| 0.0
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| 04.6
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| 0.2
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| 15.0
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| 09
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| .1
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| 00.0
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| 00.0
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| 0.0
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| 02.8
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| 0.0
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| 12.3
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| 10
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| .3
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| 01.2
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| 00.4
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| 0.0
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| 01.8
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| 0.2
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| 12.3
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| 11
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| .7
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| 03.4
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| 02.2
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| 0.0
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| 02.9
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| 0.2
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| 11.7
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| 12
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| 1.3
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| 06.3
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| 04.8
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| 0.8
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| 02.3
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| 0.0
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| 12.8
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| Total
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| 15.8
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| 45.2
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| 17.6
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| 2.1
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| 57.5
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| 5.4
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| *****
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