Station Name: IRANSHAHR
WMO Station Number: 40879
National I.D. Number:
Country: IRAN, ISLAMIC REPUBLIC OF
WMO Region: REGION II - ASIA
Latitude: 27d 12m N
Longitude: 060d 42m E
Elevation: 591 m
In the following tables,
byr = beginning year of normals or extremes data period
eyr = ending year of normals or extremes data period
NA = Not Applicable, data not submitted or not computed
* = value > 0 but < units resolution
Ann-NCDC = annual value computed by NCDC from monthly
values provided by Members
==========================================================
The normals data and climate variable descriptions are
presented in these tables as provided by the WMO Member
country.
==========================================================
Element 01: Dry Bulb Temperature (deg C)
MEAN (Statistic 01): Mean Value
MEANDLY (Statistic 06): Mean Daily Value
SD_DLY (Statistic 08): Standard Deviation of Mean Daily Value
MNDLYMX (Statistic 09): Mean Daily Maximum Value
MNDLYMI (Statistic 10): Mean Daily Minimum Value
--------------------------------------------------
byr: 1964 1964 1964 1964 1964
eyr: 1990 1990 1990 1990 1990
Statistic: MEAN MEANDLY SD_DLY MNDLYMX MNDLYMI
Month
--------------------------------------------------
Jan 15.3 14.5 1.54 21.4 7.6
Feb 17.7 16.6 1.88 23.4 9.8
Mar 22.7 21.6 1.68 29.2 14.0
Apr 28.4 27.0 1.54 35.0 19.0
May 34.8 32.9 0.94 41.3 24.4
Jun 38.3 36.8 1.02 44.9 28.7
Jul 38.1 37.2 0.60 44.6 29.8
Aug 37.1 35.9 0.85 43.6 28.2
Sep 33.9 32.4 1.20 40.7 24.1
Oct 28.9 27.2 1.53 35.8 18.7
Nov 22.4 21.1 1.26 29.5 12.6
Dec 17.0 16.1 1.65 23.6 8.6
Annual 27.9 26.6 1.31 34.4 18.8
Ann-NCDC 27.9 26.6 NA 34.4 18.8
--------------------------------------------------
Element 02: Maximum Dry Bulb Temperature (deg C)
MAX_VAL (Statistic 04): Maximum Value
DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value
--------------------------
byr: 1964 1964
eyr: 1990 1990
Statistic: MAX_VAL DATEMAX
Month
--------------------------
Jan 30.0 196530
Feb 33.0 198120
Mar 38.0 196915
Apr 43.0 197330
May 48.0 197028
Jun 49.0 196520
Jul 49.0 196403
Aug 50.0 196425
Sep 47.0 196401
Oct 44.0 198006
Nov 37.0 197701
Dec 33.0 198008
Annual 50.0 NA
Ann-NCDC NA NA
--------------------------
Element 03: Minimum Dry Bulb Temperature (deg C)
MIN_VAL (Statistic 05): Minimum Value
DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value
--------------------------
byr: 1964 1964
eyr: 1990 1990
Statistic: MIN_VAL DATEMIN
Month
--------------------------
Jan -2.0 197305
Feb -1.0 198421
Mar 4.0 197311
Apr 10.0 196701
May 14.4 198903
Jun 22.0 196404
Jul 22.0 198820
Aug 20.0 196516
Sep 14.0 196426
Oct 8.0 197522
Nov 2.0 196625
Dec -6.0 197227
Annual -6.0 NA
Ann-NCDC NA NA
--------------------------
Element 05: Dew Point Temperature (deg C)
MEAN (Statistic 01): Mean Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 2.3
Feb 3.2
Mar 5.0
Apr 7.0
May 8.6
Jun 11.6
Jul 14.0
Aug 12.9
Sep 9.0
Oct 5.8
Nov 3.4
Dec 2.2
Annual 7.1
Ann-NCDC 7.1
------------------
Element 06: Precipitation (mm)
MEANMLY (Statistic 15): Mean Monthly Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 24.8
Feb 25.0
Mar 19.2
Apr 5.6
May 2.6
Jun 2.6
Jul 14.3
Aug 5.2
Sep 1.5
Oct 0.8
Nov 1.5
Dec 11.6
Annual 114.7
Ann-NCDC 114.7
------------------
Element 08: Maximum 24-Hour Precipitation (mm)
MAX_VAL (Statistic 04): Maximum Value
DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value
--------------------------
byr: 1964 1964
eyr: 1990 1990
Statistic: MAX_VAL DATEMAX
Month
--------------------------
Jan 43.0 197303
Feb 31.0 196622
Mar 50.0 198229
Apr 28.0 198130
May 17.0 198731
Jun 27.0 197312
Jul 30.0 197319
Aug 27.0 198828
Sep 34.0 197008
Oct 10.0 198031
Nov 14.0 198214
Dec 30.4 198731
Annual 50.0 NA
Ann-NCDC NA NA
--------------------------
Element 11: Relative Humidity (%)
MEAN (Statistic 01): Mean Value
MNDLYMX (Statistic 09): Mean Daily Maximum Value
MNDLYMI (Statistic 10): Mean Daily Minimum Value
----------------------------------
byr: 1964 1964 1964
eyr: 1990 1990 1990
Statistic: MEAN MNDLYMX MNDLYMI
Month
----------------------------------
Jan 46.0 66.0 32.0
Feb 43.0 64.0 28.0
Mar 36.0 55.0 23.0
Apr 29.0 46.0 19.0
May 22.0 35.0 15.0
Jun 23.0 35.0 15.0
Jul 28.0 43.0 17.0
Aug 27.0 43.0 16.0
Sep 24.0 38.0 15.0
Oct 26.0 39.0 19.0
Nov 31.0 46.0 22.0
Dec 40.0 58.0 28.0
Annual 31.0 47.0 21.0
Ann-NCDC 31.2 47.3 20.8
----------------------------------
Element 12: Sea Level Pressure (hPa)
MEAN (Statistic 01): Mean Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 1018.2
Feb 1015.8
Mar 1011.3
Apr 1007.9
May 1002.9
Jun 996.0
Jul 994.8
Aug 996.5
Sep 1002.6
Oct 1010.7
Nov 1015.6
Dec 1018.2
Annual 1007.5
Ann-NCDC 1007.5
------------------
Element 13: Station Pressure (hPa)
MEAN (Statistic 01): Mean Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 951.6
Feb 949.7
Mar 947.5
Apr 944.8
May 941.2
Jun 935.8
Jul 933.9
Aug 935.6
Sep 941.4
Oct 947.4
Nov 950.8
Dec 951.9
Annual 944.3
Ann-NCDC 944.3
------------------
Element 14: Vapor Pressure (hPa)
MEAN (Statistic 01): Mean Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 7.90
Feb 8.36
Mar 9.37
Apr 10.61
May 11.90
Jun 14.90
Jul 17.47
Aug 16.13
Sep 12.74
Oct 10.19
Nov 8.53
Dec 7.91
Annual 11.33
Ann-NCDC 11.3
------------------
Element 15: Sunshine
MN_#HRS (Statistic 44): Mean Number of Hours
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 232.9
Feb 223.5
Mar 249.4
Apr 254.3
May 314.0
Jun 291.9
Jul 265.3
Aug 280.8
Sep 276.1
Oct 292.4
Nov 277.8
Dec 241.6
Annual 3200.0
Ann-NCDC 3200.0
------------------
Element 16: Wind Speed (m/sec)
MEAN (Statistic 01): Mean Value
MAXGUST (Statistic 30): Maximum Gust
VECTOR (Statistic 42): Vector
----------------------------------
byr: 1964 1964 1964
eyr: 1990 1990 1990
Statistic: MEAN MAXGUST VECTOR
Month
----------------------------------
Jan 1.0 18.0 .4
Feb 1.4 25.2 .6
Mar 1.8 24.7 .9
Apr 2.1 21.6 1.1
May 1.9 20.6 .8
Jun 2.1 20.6 .8
Jul 2.5 41.2 1.0
Aug 2.0 23.2 .9
Sep 1.5 14.9 .7
Oct 1.1 13.9 .5
Nov .9 11.8 .4
Dec .9 16.0 .4
Annual 1.6 41.2 .7
Ann-NCDC 1.6 NA NA
----------------------------------
Element 17: Wind Direction (degrees)
MAXGUST (Statistic 30): Maximum Gust
PREVAIL (Statistic 41): Prevailing
VECTOR (Statistic 42): Vector
----------------------------------
byr: 1964 1964 1964
eyr: 1990 1990 1990
Statistic: MAXGUST PREVAIL VECTOR
Month
----------------------------------
Jan 290.0 225.0 269.0
Feb 210.0 270.0 266.0
Mar 330.0 225.0 261.0
Apr 330.0 270.0 264.0
May 210.0 225.0 259.0
Jun 330.0 225.0 263.0
Jul 60.0 270.0 268.0
Aug 270.0 270.0 269.0
Sep 290.0 225.0 264.0
Oct 310.0 225.0 272.0
Nov 240.0 360.0 283.0
Dec 330.0 360.0 293.0
Annual 60.0 270.0 267.0
Ann-NCDC NA NA NA
----------------------------------
Element 17: Wind Direction (degrees)
Qualifier: 41: Prevailing
MEAN% (Statistic 57): Mean Percent
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 6.1
Feb 7.6
Mar 9.9
Apr 11.3
May 10.2
Jun 10.0
Jul 11.1
Aug 10.4
Sep 8.1
Oct 6.5
Nov 5.6
Dec 5.5
Annual 8.2
Ann-NCDC NA
------------------
Element 18: Wind Steadiness (unitless)
MEAN% (Statistic 57): Mean Percent
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 35.0
Feb 39.3
Mar 50.0
Apr 53.7
May 43.2
Jun 40.0
Jul 39.6
Aug 47.4
Sep 43.3
Oct 42.9
Nov 41.2
Dec 41.2
Annual 41.9
Ann-NCDC NA
------------------
Element 48: Calm Winds
MEAN% (Statistic 57): Mean Percent
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 71.5
Feb 64.5
Mar 59.3
Apr 54.4
May 56.6
Jun 54.3
Jul 49.5
Aug 56.6
Sep 62.0
Oct 69.2
Nov 73.7
Dec 74.1
Annual 62.1
Ann-NCDC NA
------------------
Element 51: Number Days with Thunder (count)
MEANMLY (Statistic 15): Mean Monthly Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 0.1
Feb 0.2
Mar 0.2
Apr 0.2
May 0.4
Jun 0.3
Jul 1.0
Aug 0.4
Sep 0.0
Oct 0.0
Nov 0.2
Dec 0.2
Annual 3.2
Ann-NCDC 3.2
------------------
Element 56: Number Days with Snowfall (count)
MEANMLY (Statistic 15): Mean Monthly Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 0.1
Feb 0.0
Mar 0.0
Apr 0.0
May 0.0
Jun 0.0
Jul 0.0
Aug 0.0
Sep 0.0
Oct 0.0
Nov 0.0
Dec 0.0
Annual 0.1
Ann-NCDC 0.1
------------------
Element 62: Number Days with Dust (count)
MEANMLY (Statistic 15): Mean Monthly Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 1.8
Feb 3.0
Mar 5.4
Apr 6.7
May 5.8
Jun 6.5
Jul 10.4
Aug 6.2
Sep 3.3
Oct 1.2
Nov 1.1
Dec 0.9
Annual 52.3
Ann-NCDC 52.3
------------------
Element 85: Number Days Minimum Temperature LE Threshold (count)
Qualifier: 0.0 deg C
MEANMLY (Statistic 15): Mean Monthly Value
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 0.7
Feb 0.2
Mar 0.0
Apr 0.0
May 0.0
Jun 0.0
Jul 0.0
Aug 0.0
Sep 0.0
Oct 0.0
Nov 0.0
Dec 0.8
Annual 1.7
Ann-NCDC 1.7
------------------
Element 95: Number Days with Precipitation GE Threshold (count)
Statistic 15: Mean Monthly Value
Qualifier: 1.0 mm
Qualifier: 5.0 mm
Qualifier: 10.0 mm
----------------------------------
byr: 1964 1964 1964
eyr: 1990 1990 1990
Qualifier: 1.0 5.0 10.0
Month
----------------------------------
Jan 3.2 1.8 0.8
Feb 2.8 1.6 1.0
Mar 2.8 1.4 0.5
Apr 0.9 0.3 0.2
May 0.4 0.2 0.1
Jun 0.4 0.1 0.1
Jul 1.4 1.0 0.6
Aug 0.7 0.4 0.1
Sep 0.1 0.0 0.0
Oct 0.2 0.1 0.0
Nov 0.2 0.2 0.1
Dec 2.0 0.8 0.3
Annual 15.1 7.9 3.8
Ann-NCDC 15.1 7.9 3.8
----------------------------------
Element BT: Number Days with Occurrence of Rain (count)
Statistic 15: Mean Monthly Value
Qualifier:
------------------
byr: 1964
eyr: 1990
Month
------------------
Jan 4.6
Feb 4.0
Mar 3.7
Apr 1.8
May 0.8
Jun 0.7
Jul 2.0
Aug 1.2
Sep 0.3
Oct 0.2
Nov 0.5
Dec 3.0
Annual 22.8
Ann-NCDC 22.8
------------------