Station Name: GUAM/MARSHALL ISLANDS PI WMO Station Number: 91217 National I.D. Number: 00914229 Country: UNITED STATES OF AMERICA (PACIFIC ISLANDS) WMO Region: REGION V - SOUTH-WEST PACIFIC Latitude: 13d 33m N Longitude: 144d 50m E Elevation: 111 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 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: 1968 1968 1968 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 1.5 22.9 4 Feb 1.4 22.6 4 Mar 1.2 23.2 4 Apr 1.2 23.5 4 May 1.2 24.0 4 Jun 1.1 24.3 4 Jul 1.0 24.4 4 Aug 1.2 24.2 4 Sep 1.1 24.5 4 Oct 1.2 24.3 4 Nov 1.0 24.6 3 Dec 1.1 23.9 3 Annual 1.3 23.9 3 Ann-NCDC NA 23.9 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: 1968 1968 1968 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 1.6 21.9 4 Feb 1.5 21.6 4 Mar 1.4 22.2 4 Apr 1.3 22.5 4 May 1.2 23.1 4 Jun 1.2 23.2 3 Jul .8 23.7 4 Aug .9 23.6 4 Sep .9 23.9 4 Oct .9 23.7 4 Nov .9 23.8 3 Dec 1.2 23.0 3 Annual 1.4 23.0 2 Ann-NCDC NA 23.0 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: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan .0 .0 199031 .0 .0 .0 30 Feb .0 .0 199028 .0 .0 .0 30 Mar .0 .0 199031 .0 .0 .0 30 Apr .0 .0 199030 .0 .0 .0 30 May .0 .0 199031 .0 .0 .0 30 Jun .0 .0 199030 .0 .0 .0 30 Jul .0 .0 199031 .0 .0 .0 30 Aug .0 .0 199031 .0 .0 .0 29 Sep .0 .0 199030 .0 .0 .0 30 Oct .0 .0 199031 .0 .0 .0 30 Nov .0 .0 199030 .0 .0 .0 30 Dec .0 .0 199031 .0 .0 .0 30 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: 1968 1968 1968 1968 1968 1968 1968 1968 1968 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MN01LST MN04LST MN07LST MN10LST MN13LST MN16LST MN19LST MN22LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 88.7 89.2 88.7 77.1 74.3 75.7 85.1 86.9 83.7 Feb 88.2 88.5 88.2 76.2 72.5 74.2 84.0 86.3 81.9 Mar 89.1 89.6 89.7 74.9 71.4 73.2 83.7 86.4 83.1 Apr 90.3 91.0 88.8 73.5 69.6 71.9 84.0 87.3 82.0 May 91.0 92.1 88.5 73.3 70.3 72.5 84.7 89.3 82.7 Jun 90.6 92.7 89.4 75.4 72.6 74.8 85.8 90.7 82.7 Jul 94.6 94.6 93.2 79.3 76.9 78.2 88.0 92.9 87.3 Aug 95.8 96.2 95.0 81.2 79.2 80.3 90.2 93.9 88.7 Sep 95.5 95.8 94.5 80.9 78.6 80.3 90.8 93.9 88.8 Oct 94.5 95.2 94.1 80.2 78.4 80.2 91.5 93.3 88.3 Nov 90.9 91.6 91.7 80.0 78.4 80.4 89.9 90.6 86.6 Dec 87.2 86.9 86.3 78.7 76.2 78.3 87.2 88.1 83.0 Annual 91.1 91.9 90.6 77.6 74.9 76.7 87.1 90.0 84.0 Ann-NCDC 91.4 91.9 90.7 77.6 74.9 76.7 87.1 90.0 84.9 ---------------------------------------------------------------------------------- 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: 1968 1968 1968 1968 1968 1968 1968 1968 1968 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 71 74 77 80 83 86 89 92 94 Month ---------------------------------------------------------------------------------- Jan 5 5 5 23 23 23 22 23 4 Feb 4 4 5 23 23 23 23 23 4 Mar 4 4 5 23 23 23 23 23 4 Apr 4 4 5 23 23 23 23 23 4 May 4 4 5 23 23 23 23 23 4 Jun 3 4 5 23 23 23 23 23 3 Jul 4 4 5 23 23 23 23 23 4 Aug 4 4 5 23 23 23 23 23 4 Sep 4 4 5 23 23 23 23 23 4 Oct 4 4 5 23 23 23 23 23 4 Nov 4 4 4 23 23 23 22 23 3 Dec 4 4 4 23 23 23 22 23 3 Annual 3 4 4 23 23 23 21 23 2 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: 1968 1968 eyr: 1990 1990 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1010.5 4 Feb 1010.9 4 Mar 1011.1 4 Apr 1011.0 4 May 1010.4 4 Jun 1010.5 3 Jul 1009.3 4 Aug 1009.8 4 Sep 1008.7 4 Oct 1009.4 4 Nov 1009.8 3 Dec 1010.1 3 Annual 1010.6 2 Ann-NCDC 1010.1 NA -------------------------- Element 15: Sunshine %OFPOSS (Statistic 37): Percent of Possible MN_#HRS (Statistic 44): Mean Number of Hours -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: %OFPOSS MN_#HRS Month -------------------------- Jan 50.0 176.0 Feb 53.0 173.7 Mar 58.0 216.4 Apr 57.0 214.0 May 56.0 219.9 Jun 50.0 193.8 Jul 39.0 156.1 Aug 37.0 142.2 Sep 36.0 132.7 Oct 36.0 132.6 Nov 39.0 135.0 Dec 41.0 143.4 Annual 46.0 2035.8 Ann-NCDC NA 2035.8 -------------------------- Element 15: Sunshine Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 29 Feb 29 Mar 29 Apr 29 May 28 Jun 27 Jul 28 Aug 29 Sep 29 Oct 27 Nov 27 Dec 28 Annual 0 Ann-NCDC NA ------------------ Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 4.7 Feb 4.8 Mar 4.7 Apr 4.4 May 4.5 Jun 4.4 Jul 3.5 Aug 2.7 Sep 2.9 Oct 3.2 Nov 4.2 Dec 5.1 Annual 4.1 Ann-NCDC 4.1 ------------------ 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: 1968 1968 1968 1968 1968 1968 1968 1968 1968 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 .051 .021 .100 .337 .334 .077 .019 .010 .016 Feb .020 .013 .117 .350 .378 .104 .013 .000 .001 Mar .052 .018 .080 .314 .346 .106 .026 .020 .015 Apr .030 .008 .045 .247 .451 .166 .035 .013 .002 May .043 .006 .021 .133 .433 .262 .056 .012 .008 Jun .050 .001 .029 .101 .408 .317 .056 .011 .007 Jul .105 .018 .019 .069 .205 .185 .088 .046 .056 Aug .198 .025 .044 .116 .189 .140 .077 .031 .043 Sep .181 .023 .054 .097 .168 .124 .093 .043 .038 Oct .160 .017 .069 .153 .268 .116 .033 .026 .022 Nov .047 .010 .047 .238 .398 .175 .049 .015 .003 Dec .020 .005 .079 .351 .384 .096 .036 .011 .015 Annual .083 .014 .059 .207 .325 .153 .049 .021 .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: 1968 1968 1968 1968 1968 1968 1968 1968 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 .002 .001 .001 .004 .004 .006 .008 .007 Feb .000 .000 .000 .000 .000 .000 .000 .003 Mar .004 .001 .001 .006 .003 .000 .001 .006 Apr .000 .001 .000 .000 .000 .000 .000 .001 May .004 .005 .001 .002 .001 .002 .003 .007 Jun .000 .003 .000 .003 .001 .003 .004 .007 Jul .029 .025 .052 .059 .013 .008 .004 .017 Aug .020 .008 .014 .026 .012 .011 .014 .030 Sep .010 .017 .011 .054 .036 .019 .014 .019 Oct .017 .019 .021 .029 .018 .010 .005 .014 Nov .004 .003 .001 .003 .000 .003 .001 .003 Dec .001 .001 .000 .000 .000 .000 .000 .000 Annual .008 .007 .009 .017 .008 .005 .005 .010 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: 1968 1968 eyr: 1990 1990 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 67.5 4 Feb 90.0 4 Mar 90.0 4 Apr 90.0 4 May 90.0 4 Jun 90.0 3 Jul 90.0 4 Aug 90.0 4 Sep 90.0 4 Oct 90.0 4 Nov 90.0 3 Dec 90.0 3 Annual 90.0 NA Ann-NCDC NA NA -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 15.2 Feb 13.7 Mar 14.1 Apr 14.3 May 15.4 Jun 19.3 Jul 22.9 Aug 22.3 Sep 22.1 Oct 21.5 Nov 22.0 Dec 19.0 Annual 221.8 Ann-NCDC 221.8 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1965 eyr: 1990 Month ------------------ Jan 6 Feb 8 Mar 5 Apr 5 May 6 Jun 6 Jul 6 Aug 6 Sep 6 Oct 7 Nov 6 Dec 6 Annual NA Ann-NCDC NA ------------------