Station Name: MCMURDO SOUND WMO Station Number: 89664 National I.D. Number: 00087601 Country: UNITED STATES OF AMERICA (ANTARCTIC STATIONS) WMO Region: STATIONS IN THE ANTARCTIC Latitude: 77d 53m S Longitude: 166d 44m E Elevation: 24 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 ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan -2.8 Feb -8.8 Mar -17.3 Apr -20.9 May -23.3 Jun -22.9 Jul -25.8 Aug -27.4 Sep -25.7 Oct -19.4 Nov -9.7 Dec -3.5 Annual -17.3 Ann-NCDC -17.3 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value -------------------------- byr: 1961 1961 eyr: 1988 1986 Statistic: MAX_DLY DATEMAX Month -------------------------- Jan 8.3 197402 Feb 2.2 198503 Mar -2.2 198416 Apr -3.9 196816 May -2.8 197109 Jun -4.4 197228 Jul -6.1 196505 Aug -4.4 197213 Sep -4.4 197203 Oct .6 197730 Nov 2.8 197126 Dec 9.4 197829 Annual NA NA Ann-NCDC NA NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) Qualifier: 11: Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 21 Feb 20 Mar 21 Apr 21 May 20 Jun 20 Jul 21 Aug 21 Sep 21 Oct 21 Nov 21 Dec 21 Annual NA Ann-NCDC NA ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value -------------------------- byr: 1961 1961 eyr: 1988 1986 Statistic: MIN_DLY DATEMIN Month -------------------------- Jan -15.0 197815 Feb -25.0 198428 Mar -43.3 196530 Apr -40.0 198615 May -44.4 196524 Jun -41.1 197603 Jul -48.9 198526 Aug -49.4 197503 Sep -43.9 198623 Oct -40.0 197614 Nov -26.1 198601 Dec -14.4 197805 Annual NA NA Ann-NCDC NA NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) Qualifier: 13: Minimum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 21 Feb 20 Mar 21 Apr 21 May 20 Jun 20 Jul 21 Aug 21 Sep 21 Oct 21 Nov 21 Dec 21 Annual NA Ann-NCDC NA ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 16 Feb 29 Mar 15 Apr 18 May 21 Jun 28 Jul 17 Aug 13 Sep 10 Oct 20 Nov 12 Dec 14 Annual 213 Ann-NCDC 213.0 ------------------ Element 08: Maximum 24-Hour Precipitation (mm) MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1961 1961 1961 eyr: 1986 1986 1986 Statistic: MAX_DLY DATEMAX #_YEARS Month ---------------------------------- Jan 37.3 196816 21 Feb 53.3 196611 20 Mar 25.9 196816 21 Apr 25.4 196801 21 May 42.7 196810 20 Jun 29.2 196730 20 Jul 17.8 197708 21 Aug 15.7 196630 21 Sep 22.9 196619 21 Oct 71.1 197116 21 Nov 27.9 197605 21 Dec 20.3 196925 21 Annual NA NA NA Ann-NCDC NA NA NA ---------------------------------- Element 09: Snowfall (cm) MEDIAN (Statistic 02): Median Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MEANMLY (Statistic 15): Mean Monthly Value QUAR25% (Statistic 58): First Quartile QUAR75% (Statistic 59): Third Quartile #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1986 1986 1986 1986 1986 1986 1986 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan 6.6 37.3 196816 16.8 1.3 25.1 21 Feb 22.4 53.3 196611 31.5 13.7 45.2 20 Mar 11.4 25.9 196816 16.0 4.6 25.4 21 Apr 12.7 25.4 196801 18.0 5.3 31.8 21 May 17.0 42.7 196810 20.8 8.6 22.6 20 Jun 17.8 29.2 196730 28.2 8.6 27.9 20 Jul 14.0 17.8 197708 17.5 4.6 22.9 21 Aug 6.6 15.7 196630 13.5 3.8 17.3 21 Sep 7.6 22.9 196619 9.9 2.5 13.0 21 Oct 13.5 71.1 197116 20.3 5.8 24.1 21 Nov 8.4 20.3 196908 13.5 2.8 21.1 21 Dec 10.4 20.3 196925 14.0 7.1 15.5 21 Annual NA NA NA 220.0 NA NA NA Ann-NCDC NA NA NA 220.0 NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN00LST (Statistic 70): Mean of Observations at 0000 LST MN03LST (Statistic 73): Mean of Observations at 0300 LST MN06LST (Statistic 76): Mean of Observations at 0600 LST MN09LST (Statistic 79): Mean of Observations at 0900 LST MN12LST (Statistic 82): Mean of Observations at 1200 LST MN15LST (Statistic 85): Mean of Observations at 1500 LST MN18LST (Statistic 88): Mean of Observations at 1800 LST MN21LST (Statistic 91): Mean of Observations at 2100 LST MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1986 1986 1986 1986 1986 1986 1986 1986 1986 Statistic: MN00LST MN03LST MN06LST MN09LST MN12LST MN15LST MN18LST MN21LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 67.4 69.2 69.0 67.0 65.8 65.1 64.1 66.1 66.7 Feb 65.2 66.0 66.2 65.7 64.5 65.0 64.5 64.5 65.2 Mar 64.2 66.5 64.8 67.3 63.9 66.0 64.1 67.4 66.6 Apr 64.6 65.7 65.0 67.7 66.7 67.2 65.7 66.3 66.6 May 63.8 63.3 62.7 63.7 62.9 65.0 62.3 64.7 64.2 Jun 61.8 62.9 63.4 62.6 60.8 61.4 60.5 62.7 62.4 Jul 58.3 61.4 60.6 57.7 56.6 57.3 56.2 60.3 60.2 Aug 57.4 59.8 56.7 60.1 58.6 64.1 58.6 58.8 63.4 Sep 55.4 56.2 54.4 58.6 56.3 56.3 55.1 55.9 55.8 Oct 60.1 59.7 59.9 61.0 62.4 63.4 63.3 61.5 61.4 Nov 62.0 61.4 62.0 65.3 66.7 67.9 67.8 64.1 64.7 Dec 66.5 67.4 67.1 68.0 66.7 66.3 66.8 66.5 67.0 Annual 64.1 64.6 64.6 65.2 65.0 65.7 64.9 64.4 65.5 Ann-NCDC 62.2 63.3 62.6 63.7 62.7 63.7 62.4 63.2 63.7 ---------------------------------------------------------------------------------- Element 11: Relative Humidity (%) Statistic 98: Number of Years used to Calculate Normal Qualifier: 70: Mean of Observations at 0000 LST Qualifier: 73: Mean of Observations at 0300 LST Qualifier: 76: Mean of Observations at 0600 LST Qualifier: 79: Mean of Observations at 0900 LST Qualifier: 82: Mean of Observations at 1200 LST Qualifier: 85: Mean of Observations at 1500 LST Qualifier: 88: Mean of Observations at 1800 LST Qualifier: 91: Mean of Observations at 2100 LST Qualifier: 94: Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1986 1986 1986 1986 1986 1986 1986 1986 1986 Qualifier: 70 73 76 79 82 85 88 91 94 Month ---------------------------------------------------------------------------------- Jan 11 11 11 11 11 11 11 11 11 Feb 11 11 11 11 11 11 11 11 11 Mar 11 10 10 10 11 10 11 10 9 Apr 10 9 10 9 10 9 10 9 9 May 8 6 7 6 7 6 7 6 6 Jun 9 8 9 8 9 8 9 8 8 Jul 7 6 7 7 8 7 8 6 6 Aug 6 5 6 5 6 4 6 5 4 Sep 8 7 7 7 8 7 7 7 6 Oct 9 9 9 9 9 9 9 9 9 Nov 10 10 10 10 10 10 10 10 10 Dec 10 10 10 10 10 11 11 10 10 Annual 5 5 5 5 5 4 5 5 4 Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 12: Sea Level Pressure (hPa) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1986 1986 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 995.6 26 Feb 994.1 24 Mar 992.1 17 Apr 990.7 17 May 993.6 17 Jun 992.1 17 Jul 989.7 17 Aug 989.9 17 Sep 987.6 19 Oct 983.7 26 Nov 987.6 26 Dec 993.5 26 Annual 990.7 17 Ann-NCDC 990.8 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 4.5 Feb 6.0 Mar 6.8 Apr 6.3 May 6.3 Jun 6.5 Jul 5.8 Aug 5.7 Sep 5.6 Oct 5.5 Nov 4.9 Dec 4.6 Annual 5.7 Ann-NCDC NA ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 000.0 degrees Qualifier: 022.5 degrees Qualifier: 045.0 degrees Qualifier: 067.5 degrees Qualifier: 090.0 degrees Qualifier: 112.5 degrees Qualifier: 135.0 degrees Qualifier: 157.5 degrees Qualifier: 180.0 degrees ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1986 1986 1986 1986 1986 1986 1986 1986 1986 Qualifier: 000.0 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 Month ---------------------------------------------------------------------------------- Jan .096 .023 .064 .164 .208 .123 .046 .028 .024 Feb .059 .025 .087 .207 .234 .147 .080 .054 .030 Mar .064 .032 .118 .245 .252 .101 .049 .040 .023 Apr .098 .051 .126 .223 .212 .089 .050 .038 .021 May .144 .044 .128 .200 .178 .084 .046 .038 .026 Jun .137 .060 .104 .174 .160 .093 .064 .044 .037 Jul .184 .059 .121 .182 .158 .076 .043 .029 .013 Aug .204 .066 .123 .167 .139 .066 .036 .026 .019 Sep .209 .059 .114 .166 .155 .088 .040 .027 .016 Oct .157 .040 .087 .151 .165 .098 .055 .048 .035 Nov .110 .029 .080 .170 .183 .107 .053 .043 .026 Dec .083 .019 .058 .132 .183 .114 .059 .057 .032 Annual .126 .040 .096 .178 .186 .101 .052 .040 .026 Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 202.5 degrees Qualifier: 225.0 degrees Qualifier: 247.5 degrees Qualifier: 270.0 degrees Qualifier: 292.5 degrees Qualifier: 315.0 degrees Qualifier: 337.5 degrees Qualifier: 360.0 degrees -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1986 1986 1986 1986 1986 1986 1986 1986 Qualifier: 202.5 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month -------------------------------------------------------------------------- Jan .009 .005 .009 .019 .032 .045 .062 .043 Feb .007 .002 .002 .007 .007 .010 .018 .021 Mar .005 .001 .002 .005 .006 .014 .025 .018 Apr .003 .002 .001 .006 .010 .018 .026 .027 May .004 .002 .003 .008 .014 .023 .027 .030 Jun .010 .003 .002 .011 .016 .020 .035 .031 Jul .003 .002 .002 .009 .014 .029 .044 .032 Aug .005 .003 .003 .011 .019 .033 .044 .036 Sep .003 .004 .002 .008 .017 .024 .037 .030 Oct .011 .004 .004 .010 .021 .033 .046 .036 Nov .010 .006 .007 .016 .026 .039 .063 .033 Dec .009 .007 .010 .024 .038 .052 .076 .047 Annual .007 .004 .004 .012 .020 .030 .044 .033 Ann-NCDC NA NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1986 1986 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 90.0 26 Feb 90.0 24 Mar 90.0 17 Apr 67.5 17 May 67.5 17 Jun 67.5 17 Jul 67.5 17 Aug 67.5 17 Sep 67.5 19 Oct 90.0 26 Nov 90.0 26 Dec 90.0 26 Annual 90.0 NA Ann-NCDC NA NA -------------------------- Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan NA Feb .1 Mar .0 Apr .0 May .2 Jun .2 Jul .1 Aug .2 Sep .1 Oct .2 Nov NA Dec .2 Annual 1.3 Ann-NCDC NA ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 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 .0 Ann-NCDC .0 ------------------ Element 83: Number Days Maximum Temperature GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 10.0 deg C Qualifier: 35.0 deg C -------------------------- byr: 1961 1961 eyr: 1986 1986 Qualifier: 10.0 35.0 Month -------------------------- Jan .0 .0 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 .0 Ann-NCDC .0 .0 -------------------------- Element 85: Number Days Minimum Temperature LE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.0 deg C Qualifier: 10.0 deg C -------------------------- byr: 1961 1961 eyr: 1986 1986 Qualifier: 0.0 10.0 Month -------------------------- Jan 30.7 31.0 Feb 28.0 28.0 Mar 31.0 31.0 Apr 30.0 30.0 May 31.0 31.0 Jun 30.0 30.0 Jul 31.0 31.0 Aug 31.0 31.0 Sep 30.0 30.0 Oct 31.0 31.0 Nov 30.0 30.0 Dec 30.9 31.0 Annual 364.6 365.0 Ann-NCDC 364.6 365.0 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 2.6 Feb 4.7 Mar 3.2 Apr 4.5 May 5.5 Jun 5.7 Jul 4.7 Aug 4.1 Sep 3.0 Oct 3.2 Nov 2.4 Dec 2.5 Annual 46.1 Ann-NCDC 46.1 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 1.3 Feb 5.3 Mar 11.0 Apr 13.9 May 17.0 Jun 17.4 Jul 16.1 Aug 14.7 Sep 13.3 Oct 11.5 Nov 4.8 Dec 2.5 Annual 128.8 Ann-NCDC 128.8 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 12.8 Feb 17.6 Mar 17.8 Apr 16.4 May 16.2 Jun 15.6 Jul 15.3 Aug 14.5 Sep 13.3 Oct 14.5 Nov 13.5 Dec 13.8 Annual 181.3 Ann-NCDC 181.3 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 2.6 Feb 2.1 Mar 5.1 Apr 5.1 May 3.8 Jun 2.5 Jul 3.7 Aug 5.5 Sep 5.4 Oct 4.1 Nov 1.4 Dec 1.9 Annual 43.2 Ann-NCDC 43.2 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan 21 Feb 20 Mar 21 Apr 21 May 20 Jun 20 Jul 21 Aug 21 Sep 21 Oct 21 Nov 21 Dec 21 Annual NA Ann-NCDC NA ------------------