Station Name: TAFUNA/AMERICAN SAMOA PI WMO Station Number: 91765 National I.D. Number: 00061705 Country: UNITED STATES OF AMERICA (PACIFIC ISLANDS) WMO Region: REGION V - SOUTH-WEST PACIFIC Latitude: 14d 20m S Longitude: 170d 43m W Elevation: 3 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 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: 1966 1966 eyr: 1990 1990 Statistic: MAX_VAL DATEMAX Month -------------------------- Jan 33.3 196903 Feb 33.3 198314 Mar 32.8 198110 Apr 33.3 198019 May 32.2 197206 Jun 35.0 198823 Jul 31.1 198206 Aug 32.2 198112 Sep 31.7 199027 Oct 33.3 199007 Nov 33.3 196619 Dec 33.3 198610 Annual NA 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: 1966 1966 eyr: 1990 1990 Statistic: MIN_VAL DATEMIN Month -------------------------- Jan 20.6 197617 Feb 21.1 197828 Mar 20.6 197109 Apr 20.0 197922 May 18.9 197426 Jun 18.3 198716 Jul 17.8 197806 Aug 17.8 197915 Sep 17.2 197002 Oct 19.4 197314 Nov 20.0 197121 Dec 20.0 197916 Annual NA NA Ann-NCDC NA NA -------------------------- Element 04: Wet Bulb Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1966 1966 1966 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 1.1 24.7 14 Feb 1.2 24.7 14 Mar 1.2 24.7 14 Apr 1.2 24.6 15 May 1.3 24.3 15 Jun 1.2 24.1 15 Jul 1.4 23.4 15 Aug 1.3 23.2 15 Sep 1.4 23.6 15 Oct 1.1 24.2 15 Nov 1.1 24.4 15 Dec 1.1 24.5 15 Annual 1.3 24.2 14 Ann-NCDC NA 24.2 NA ---------------------------------- Element 05: Dew Point Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1966 1966 1966 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 1.1 23.8 14 Feb 1.1 23.8 14 Mar 1.1 23.8 14 Apr 1.1 23.8 15 May 1.4 23.5 15 Jun 1.2 23.1 15 Jul 1.7 22.3 15 Aug 1.6 22.0 15 Sep 1.6 22.5 15 Oct 1.2 23.1 15 Nov 1.1 23.4 15 Dec 1.2 23.6 15 Annual 1.4 23.2 14 Ann-NCDC NA 23.2 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: 1966 1966 1966 1966 1966 1966 1966 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan .0 .0 199031 .0 .0 .0 24 Feb .0 .0 199028 .0 .0 .0 24 Mar .0 .0 199031 .0 .0 .0 24 Apr .0 .0 199030 .0 .0 .0 25 May .0 .0 199031 .0 .0 .0 25 Jun .0 .0 199030 .0 .0 .0 25 Jul .0 .0 199031 .0 .0 .0 25 Aug .0 .0 199031 .0 .0 .0 25 Sep .0 .0 199030 .0 .0 .0 25 Oct .0 .0 199031 .0 .0 .0 25 Nov .0 .0 199030 .0 .0 .0 25 Dec .0 .0 199031 .0 .0 .0 25 Annual NA NA NA .0 NA NA NA Ann-NCDC NA NA NA 0.0 NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN01LST (Statistic 71): Mean of Observations at 0100 LST MN04LST (Statistic 74): Mean of Observations at 0400 LST MN07LST (Statistic 77): Mean of Observations at 0700 LST MN10LST (Statistic 80): Mean of Observations at 1000 LST MN13LST (Statistic 83): Mean of Observations at 1300 LST MN16LST (Statistic 86): Mean of Observations at 1600 LST MN19LST (Statistic 89): Mean of Observations at 1900 LST MN22LST (Statistic 92): Mean of Observations at 2200 LST MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1966 1966 1966 1966 1966 1966 1966 1966 1966 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MN01LST MN04LST MN07LST MN10LST MN13LST MN16LST MN19LST MN22LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 88.1 89.1 88.0 77.0 75.6 76.0 81.8 85.7 82.8 Feb 88.7 89.5 88.8 77.1 75.7 76.6 82.4 85.5 83.3 Mar 88.0 89.6 89.3 76.5 75.3 76.5 83.0 86.0 83.2 Apr 89.1 90.0 90.0 76.5 75.9 77.5 84.9 86.6 84.0 May 87.7 88.9 88.2 77.5 76.3 78.1 85.1 86.6 83.6 Jun 85.7 85.9 85.8 77.0 76.3 77.8 82.9 83.9 82.0 Jul 83.8 84.5 84.2 75.8 74.6 76.3 81.1 82.7 80.4 Aug 83.3 84.1 84.1 74.7 73.3 75.2 80.8 82.2 79.8 Sep 85.0 85.7 84.3 74.4 72.6 74.7 81.0 84.0 80.2 Oct 85.7 86.3 84.1 76.2 75.1 77.2 82.5 85.1 81.5 Nov 87.0 87.8 85.0 77.2 76.0 77.3 82.6 84.6 82.3 Dec 87.5 88.2 85.6 76.5 75.1 76.5 81.9 84.3 82.1 Annual 86.6 87.4 86.4 76.3 75.1 76.6 82.4 84.9 82.0 Ann-NCDC 86.6 87.5 86.4 76.4 75.1 76.6 82.5 84.8 82.1 ---------------------------------------------------------------------------------- Element 11: Relative Humidity (%) Statistic 98: Number of Years used to Calculate Normal Qualifier: 71: Mean of Observations at 0100 LST Qualifier: 74: Mean of Observations at 0400 LST Qualifier: 77: Mean of Observations at 0700 LST Qualifier: 80: Mean of Observations at 1000 LST Qualifier: 83: Mean of Observations at 1300 LST Qualifier: 86: Mean of Observations at 1600 LST Qualifier: 89: Mean of Observations at 1900 LST Qualifier: 92: Mean of Observations at 2200 LST Qualifier: 94: Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1966 1966 1966 1966 1966 1966 1966 1966 1966 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 71 74 77 80 83 86 89 92 94 Month ---------------------------------------------------------------------------------- Jan 14 14 14 14 14 14 14 16 14 Feb 14 14 14 14 14 14 14 16 14 Mar 14 14 14 14 14 14 14 16 14 Apr 15 15 15 15 15 15 15 17 15 May 15 15 15 15 15 15 15 17 15 Jun 15 15 15 15 15 15 15 17 15 Jul 15 15 15 15 15 15 15 17 15 Aug 15 15 15 15 15 15 15 16 15 Sep 15 15 15 15 15 15 15 16 15 Oct 15 15 15 15 15 15 15 16 15 Nov 15 15 15 15 15 15 15 16 15 Dec 15 15 15 15 15 15 15 16 15 Annual 14 14 14 14 14 14 14 15 14 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: 1966 1966 eyr: 1990 1990 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1008.2 24 Feb 1008.6 24 Mar 1009.8 24 Apr 1010.3 25 May 1011.4 25 Jun 1012.3 25 Jul 1012.5 25 Aug 1012.9 25 Sep 1012.8 25 Oct 1011.9 25 Nov 1010.1 25 Dec 1008.5 25 Annual 1010.8 24 Ann-NCDC 1010.8 NA -------------------------- Element 15: Sunshine %OFPOSS (Statistic 37): Percent of Possible MN_#HRS (Statistic 44): Mean Number of Hours -------------------------- byr: 1967 1967 eyr: 1990 1990 Statistic: %OFPOSS MN_#HRS Month -------------------------- Jan 41.0 165.3 Feb 43.0 150.3 Mar 48.0 179.2 Apr 37.0 132.2 May 35.0 123.3 Jun 34.0 113.7 Jul 42.0 148.0 Aug 47.0 168.0 Sep 54.0 196.0 Oct 41.0 159.6 Nov 41.0 156.7 Dec 39.0 156.8 Annual 42.0 1849.1 Ann-NCDC NA 1849.1 -------------------------- Element 15: Sunshine Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1967 eyr: 1990 Month ------------------ Jan 24 Feb 24 Mar 24 Apr 24 May 24 Jun 23 Jul 24 Aug 24 Sep 24 Oct 22 Nov 23 Dec 24 Annual 0 Ann-NCDC NA ------------------ Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 4.2 Feb 4.1 Mar 4.0 Apr 4.0 May 4.7 Jun 5.6 Jul 6.0 Aug 5.9 Sep 5.6 Oct 5.6 Nov 4.8 Dec 4.4 Annual 4.9 Ann-NCDC 4.9 ------------------ 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: 1966 1966 1966 1966 1966 1966 1966 1966 1966 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 000.0 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 Month ---------------------------------------------------------------------------------- Jan .047 .049 .069 .108 .156 .097 .044 .021 .022 Feb .051 .048 .059 .089 .132 .086 .037 .023 .020 Mar .057 .047 .065 .122 .199 .106 .025 .012 .016 Apr .053 .029 .040 .071 .158 .167 .070 .029 .023 May .049 .017 .029 .072 .199 .236 .114 .044 .021 Jun .031 .014 .028 .073 .253 .298 .130 .031 .018 Jul .025 .014 .024 .063 .232 .296 .153 .052 .025 Aug .017 .015 .023 .072 .248 .292 .140 .059 .025 Sep .022 .017 .035 .084 .280 .272 .130 .042 .016 Oct .025 .020 .029 .078 .246 .282 .146 .038 .017 Nov .037 .026 .042 .080 .201 .253 .107 .029 .018 Dec .046 .032 .051 .089 .159 .153 .077 .031 .023 Annual .038 .027 .041 .083 .206 .213 .099 .035 .020 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: 1966 1966 1966 1966 1966 1966 1966 1966 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 202.5 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month -------------------------------------------------------------------------- Jan .010 .009 .014 .045 .077 .095 .074 .062 Feb .015 .014 .026 .057 .090 .117 .078 .056 Mar .012 .009 .017 .046 .070 .087 .058 .052 Apr .013 .008 .016 .040 .073 .094 .067 .049 May .010 .006 .011 .032 .050 .056 .031 .024 Jun .006 .003 .004 .018 .025 .035 .021 .013 Jul .008 .004 .006 .014 .025 .028 .018 .013 Aug .007 .005 .005 .014 .019 .026 .018 .015 Sep .003 .002 .004 .013 .025 .023 .015 .015 Oct .006 .003 .005 .015 .021 .028 .022 .019 Nov .006 .007 .009 .026 .040 .049 .031 .039 Dec .014 .011 .018 .032 .061 .085 .066 .053 Annual .009 .007 .011 .029 .048 .059 .041 .034 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: 1966 1966 eyr: 1990 1990 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 90.0 24 Feb 90.0 24 Mar 90.0 24 Apr 112.5 25 May 112.5 25 Jun 112.5 25 Jul 112.5 25 Aug 112.5 25 Sep 90.0 25 Oct 112.5 25 Nov 112.5 25 Dec 90.0 25 Annual 112.5 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 2.7 Feb 2.9 Mar 3.0 Apr 3.2 May 2.8 Jun 1.1 Jul .4 Aug .6 Sep .6 Oct 2.4 Nov 3.1 Dec 3.3 Annual 26.1 Ann-NCDC 26.1 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan .1 Feb .0 Mar .0 Apr * May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual .1 Ann-NCDC 0.1 ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 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 .0 Ann-NCDC 0.0 ------------------ 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: 1966 1966 eyr: 1990 1990 Qualifier: 10.0 35.0 Month -------------------------- Jan 31.0 .0 Feb 28.0 .0 Mar 31.0 .0 Apr 30.0 .0 May 31.0 .0 Jun 30.0 * Jul 31.0 .0 Aug 31.0 .0 Sep 30.0 .0 Oct 31.0 .0 Nov 30.0 .0 Dec 31.0 .0 Annual 365.0 * Ann-NCDC 365.0 * -------------------------- 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: 1966 1966 eyr: 1990 1990 Qualifier: 0.0 10.0 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 0.0 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 20.8 Feb 18.5 Mar 20.0 Apr 18.3 May 16.8 Jun 14.2 Jul 13.0 Aug 12.5 Sep 12.9 Oct 17.6 Nov 17.1 Dec 19.5 Annual 201.2 Ann-NCDC 201.2 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 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 .0 Ann-NCDC 0.0 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 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 .0 Ann-NCDC 0.0 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 26.8 Feb 24.0 Mar 26.3 Apr 24.3 May 24.4 Jun 23.2 Jul 23.8 Aug 22.2 Sep 21.6 Oct 25.2 Nov 23.8 Dec 25.8 Annual 291.4 Ann-NCDC 291.4 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 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 .0 Ann-NCDC 0.0 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1966 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 .0 Ann-NCDC 0.0 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 24 Feb 24 Mar 24 Apr 25 May 25 Jun 25 Jul 25 Aug 25 Sep 25 Oct 25 Nov 25 Dec 25 Annual NA Ann-NCDC NA ------------------