Station Name: MERSA MATRUH (A) WMO Station Number: 62306 National I.D. Number: Country: EGYPT WMO Region: REGION I - AFRICA Latitude: 31d 20m N Longitude: 027d 13m E Elevation: 25 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 MAX_VAL (Statistic 04): Maximum Value MIN_VAL (Statistic 05): Minimum Value MNDLYMX (Statistic 09): Mean Daily Maximum Value MNDLYMI (Statistic 10): Mean Daily Minimum Value -------------------------------------------------- byr: 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 Statistic: MEAN MAX_VAL MIN_VAL MNDLYMX MNDLYMI Month -------------------------------------------------- Jan 12.9 30.0 1.4 17.7 8.7 Feb 13.5 31.8 4.8 18.5 8.9 Mar 15.1 37.5 5.0 19.6 10.4 Apr 17.6 34.4 6.3 22.9 12.5 May 20.2 45.2 7.9 25.3 15.1 Jun 23.4 45.4 12.0 28.1 18.6 Jul 25.0 37.3 16.2 28.6 20.7 Aug 25.5 44.2 16.0 29.5 21.2 Sep 24.3 40.4 14.5 28.5 19.9 Oct 21.6 39.3 11.0 26.5 17.2 Nov 17.9 34.4 7.9 22.8 13.5 Dec 14.4 48.8 4.5 19.3 10.4 Annual NA NA NA 23.9 15.2 Ann-NCDC 19.3 NA NA 23.9 14.8 -------------------------------------------------- Element 05: Dew Point Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 7.2 Feb 7.4 Mar 8.5 Apr 10.7 May 14.5 Jun 17.5 Jul 19.9 Aug 20.2 Sep 18.4 Oct 15.5 Nov 11.7 Dec 8.3 Annual NA Ann-NCDC 13.3 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value QUIN20% (Statistic 22): First Quintile QUIN40% (Statistic 23): Second Quintile QUIN60% (Statistic 24): Third Quintile QUIN80% (Statistic 25): Fourth Quintile MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 36.0 .7 6.5 17.8 34.8 59.4 125.1 Feb 19.0 .3 4.4 11.2 20.2 32.6 62.9 Mar 11.0 .0 4.6 7.6 11.6 15.6 25.7 Apr 3.0 .0 .0 1.4 2.3 5.7 16.2 May 2.0 .0 .0 .1 .5 1.2 22.5 Jun 2.0 .0 .0 .0 .0 .0 59.3 Jul 0.0 .0 .0 .0 .0 .0 .0 Aug 1.0 .0 .0 .0 .0 .0 17.3 Sep 1.0 .0 .0 .0 .1 2.5 30.5 Oct 19.0 .0 .1 1.9 5.9 33.8 146.0 Nov 18.0 .0 5.0 8.8 17.3 28.8 58.1 Dec 29.0 .0 6.9 17.2 31.6 50.5 121.8 Annual 143.0 NA NA NA NA NA NA Ann-NCDC 141.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 71.0 Feb 69.0 Mar 68.0 Apr 66.0 May 73.0 Jun 73.0 Jul 75.0 Aug 73.0 Sep 71.0 Oct 70.0 Nov 68.0 Dec 69.0 Annual NA Ann-NCDC 70.5 ------------------ Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1018.6 Feb 1017.1 Mar 1015.9 Apr 1014.1 May 1014.1 Jun 1012.8 Jul 1010.6 Aug 1010.8 Sep 1014.4 Oct 1016.4 Nov 1018.5 Dec 1018.1 Annual NA Ann-NCDC 1015.1 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 10.6 Feb 10.6 Mar 11.5 Apr 13.3 May 17.0 Jun 20.7 Jul 23.9 Aug 24.1 Sep 21.6 Oct 18.2 Nov 14.0 Dec 11.4 Annual NA Ann-NCDC 16.4 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 196.3 Feb 214.5 Mar 254.1 Apr 269.1 May 316.7 Jun 355.4 Jul 371.9 Aug 356.3 Sep 309.2 Oct 268.2 Nov 222.2 Dec 196.6 Annual NA Ann-NCDC 3330.5 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.2 Feb 5.3 Mar 5.2 Apr 5.3 May 4.5 Jun 4.6 Jul 4.4 Aug 4.0 Sep 4.0 Oct 3.9 Nov 4.1 Dec 5.0 Annual NA Ann-NCDC 4.6 ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 000.0 degrees Qualifier: 030.0 degrees Qualifier: 060.0 degrees Qualifier: 090.0 degrees Qualifier: 120.0 degrees Qualifier: 150.0 degrees Qualifier: 180.0 degrees Qualifier: 210.0 degrees Qualifier: 240.0 degrees ---------------------------------------------------------------------------------- byr: 1973 1973 1973 1973 1973 1973 1973 1973 1973 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 1991 Qualifier: 000.0 030.0 060.0 090.0 120.0 150.0 180.0 210.0 240.0 Month ---------------------------------------------------------------------------------- Jan .018 .040 .022 .025 .035 .047 .071 .151 .219 Feb .015 .055 .028 .047 .073 .064 .064 .092 .152 Mar .019 .067 .059 .101 .091 .047 .052 .052 .091 Apr .018 .067 .051 .117 .098 .050 .037 .030 .054 May .032 .088 .050 .100 .083 .034 .020 .018 .042 Jun .029 .052 .024 .039 .031 .020 .015 .017 .049 Jul .013 .023 .300 .400 .200 .200 .300 .600 .047 Aug .017 .030 .700 .400 .400 .300 .300 .010 .071 Sep .023 .058 .017 .015 .015 .014 .015 .029 .088 Oct .052 .107 .033 .032 .036 .036 .042 .052 .103 Nov .037 .057 .035 .039 .040 .047 .070 .120 .158 Dec .015 .042 .025 .024 .029 .046 .068 .159 .238 Annual NA NA NA NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 270.0 degrees Qualifier: 300.0 degrees Qualifier: 330.0 degrees Qualifier: 360.0 degrees Qualifier: 999.0 degrees -------------------------------------------------- byr: 1973 1973 1973 1973 1973 eyr: 1991 1991 1991 1991 1991 Qualifier: 270.0 300.0 330.0 360.0 999.0 Month -------------------------------------------------- Jan .140 .068 .089 .075 .000 Feb .129 .094 .124 .064 .000 Mar .104 .119 .138 .059 .000 Apr .091 .137 .173 .078 .100 May .085 .141 .218 .091 .000 Jun .135 .204 .309 .075 .000 Jul .173 .246 .390 .089 .000 Aug .142 .177 .411 .122 .000 Sep .101 .080 .345 .199 .000 Oct .073 .055 .186 .192 .000 Nov .093 .057 .132 .114 .000 Dec .129 .067 .090 .068 .000 Annual NA NA NA NA NA Ann-NCDC NA NA NA NA NA -------------------------------------------------- Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.0 Feb 1.9 Mar 1.9 Apr 1.7 May 1.4 Jun .7 Jul .7 Aug .7 Sep 1.0 Oct 1.5 Nov 1.8 Dec 2.0 Annual NA Ann-NCDC 1.4 ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .8 Feb .9 Mar .3 Apr .4 May .3 Jun .2 Jul .0 Aug .0 Sep .2 Oct .6 Nov .3 Dec .4 Annual NA Ann-NCDC 4.4 ------------------ Element 53: Number Days with Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual NA Ann-NCDC 0.0 ------------------ Element 54: Number Days with Rainfall GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.2 Feb 1.9 Mar 1.4 Apr 0.6 May 0.2 Jun 0.1 Jul 0.0 Aug 0.1 Sep 0.1 Oct 1.0 Nov 1.7 Dec 2.3 Annual NA Ann-NCDC 12.6 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.6 Feb 1.7 Mar 4.2 Apr 6.6 May 6.8 Jun 5.5 Jul 6.8 Aug 8.1 Sep 6.1 Oct 3.9 Nov 1.9 Dec 1.3 Annual NA Ann-NCDC 54.5 ------------------ Element 82: Number Days with Gale Force Winds (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .3 Feb .2 Mar .3 Apr .2 May .3 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .2 Annual NA Ann-NCDC 1.5 ------------------ Element AE: Number Days with Ice Storm (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual NA Ann-NCDC 0.0 ------------------ Element AF: Number Days with Thick Haze (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .1 Apr .1 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .1 Annual NA Ann-NCDC 0.3 ------------------ Element AG: Number Days with Rising Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.4 Feb 7.6 Mar 9.9 Apr 11.5 May 11.1 Jun 10.2 Jul 12.8 Aug 10.8 Sep 7.3 Oct 6.3 Nov 5.1 Dec 6.3 Annual NA Ann-NCDC 105.3 ------------------ Element AH: Number Days with Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.7 Feb 2.4 Mar 4.2 Apr 5.3 May 9.8 Jun 10.6 Jul 15.6 Aug 12.3 Sep 6.7 Oct 4.0 Nov 2.4 Dec 1.7 Annual NA Ann-NCDC 76.7 ------------------ Element AJ: Number Days with Duststorm/Sandstorm (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.2 Feb .8 Mar .8 Apr 2.1 May .6 Jun .2 Jul .3 Aug .0 Sep .2 Oct .8 Nov .7 Dec 1.3 Annual NA Ann-NCDC 9.0 ------------------ Element BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .1 Mar .5 Apr .9 May 1.1 Jun 1.2 Jul .5 Aug .7 Sep .3 Oct .2 Nov .2 Dec .0 Annual NA Ann-NCDC 5.9 ------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 9.9 Feb 8.1 Mar 5.3 Apr 1.9 May 1.2 Jun .1 Jul .0 Aug .0 Sep .7 Oct 2.9 Nov 5.2 Dec 7.3 Annual NA Ann-NCDC 42.6 ------------------