Station Name: WEST PALM BEACH/INTL, FL WMO Station Number: 72203 National I.D. Number: 00089525 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 26d 41m N Longitude: 080d 07m W Elevation: 5 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 18.4 30 Feb 19.0 30 Mar 21.1 30 Apr 23.0 30 May 25.3 30 Jun 27.0 30 Jul 27.9 30 Aug 28.1 30 Sep 27.6 30 Oct 25.4 30 Nov 22.4 30 Dec 19.7 30 Annual 23.7 30 Ann-NCDC 23.7 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_VAL (Statistic 04): Maximum 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 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MAX_VAL DATEMAX #_YEARS Month ------------------------------------------ Jan 23.6 30.6 199008 30 Feb 24.4 31.7 197422 30 Mar 26.0 34.4 197722 30 Apr 27.8 37.2 197130 30 May 29.8 35.6 197129 30 Jun 31.2 36.7 198009 30 Jul 32.2 37.2 198326 30 Aug 32.2 36.7 196314 30 Sep 31.4 35.0 199016 30 Oct 29.4 35.0 198902 30 Nov 26.7 32.2 198805 30 Dec 24.4 31.1 198919 30 Annual 28.3 NA NA 30 Ann-NCDC 28.3 NA NA NA ------------------------------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_VAL (Statistic 05): Minimum Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MIN_VAL DATEMIN #_YEARS Month ------------------------------------------ Jan 13.2 -2.8 197720 30 Feb 13.6 .0 198924 30 Mar 16.2 -1.1 198003 30 Apr 18.2 6.1 198705 30 May 20.9 13.3 197105 30 Jun 22.8 16.1 198401 30 Jul 23.6 20.0 197506 30 Aug 23.9 20.0 196921 30 Sep 23.7 19.4 198329 30 Oct 21.5 7.8 196830 30 Nov 18.1 2.8 197025 30 Dec 14.8 -2.2 198925 30 Annual 19.2 NA NA 30 Ann-NCDC 19.2 NA 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: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 5.1 15.4 30 Feb 4.8 15.6 30 Mar 4.1 17.3 30 Apr 3.0 18.8 30 May 2.1 21.3 30 Jun 1.5 23.4 30 Jul 1.3 24.2 30 Aug 1.3 24.3 30 Sep 1.3 23.9 30 Oct 2.5 21.6 30 Nov 3.8 18.8 30 Dec 4.8 16.4 30 Annual 4.6 20.1 30 Ann-NCDC NA 20.1 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: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 6.1 13.2 30 Feb 5.9 13.2 30 Mar 4.9 14.9 30 Apr 3.8 16.2 30 May 2.7 19.3 30 Jun 1.6 22.0 30 Jul 1.2 22.8 30 Aug 1.2 22.8 30 Sep 1.3 22.5 30 Oct 3.0 19.8 30 Nov 4.4 16.8 30 Dec 5.7 14.2 30 Annual 5.4 18.1 30 Ann-NCDC NA 18.1 NA ---------------------------------- 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY #_YEARS Month -------------------------------------------------------------------------- Jan 71.1 10.9 23.4 43.7 69.6 110.5 279.7 30 Feb 68.3 10.7 25.7 45.2 68.3 104.1 221.2 30 Mar 93.0 13.5 32.8 59.4 91.9 142.7 426.2 30 Apr 73.9 1.0 14.7 35.6 66.3 119.6 320.5 30 May 155.7 9.9 66.3 109.0 158.2 231.9 386.6 30 Jun 205.5 67.3 122.7 167.9 214.9 279.4 454.9 30 Jul 156.0 31.0 76.2 116.3 160.8 225.3 336.5 30 Aug 152.9 43.9 93.2 126.2 160.3 206.8 289.1 30 Sep 216.7 45.0 124.0 173.7 226.1 299.2 498.6 30 Oct 167.6 30.5 74.9 119.9 171.2 246.9 476.0 30 Nov 119.1 5.8 37.8 72.1 115.8 185.4 371.6 30 Dec 63.2 1.5 16.5 34.8 59.7 100.8 256.5 30 Annual 1543.0 NA NA NA NA NA NA 30 Ann-NCDC 1543.0 NA NA NA NA NA NA NA -------------------------------------------------------------------------- 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: 1990 1990 1990 Statistic: MAX_DLY DATEMAX #_YEARS Month ---------------------------------- Jan 131.1 198320 30 Feb 73.2 196622 30 Mar 130.8 198229 30 Apr 164.8 197925 30 May 133.9 197705 30 Jun 124.0 196920 30 Jul 134.4 197219 30 Aug 170.2 198820 30 Sep 110.2 197702 30 Oct 177.8 196411 30 Nov 188.2 198422 30 Dec 100.8 198606 30 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: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan .0 Trace 197719 Trace .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 30 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 NA 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: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MN01LST MN04LST MN07LST MN10LST MN13LST MN16LST MN19LST MN22LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 80.9 82.8 83.3 68.9 58.6 60.1 72.2 78.0 73.1 Feb 80.0 81.9 82.7 65.8 56.4 58.4 69.8 76.7 71.5 Mar 78.1 80.2 81.3 62.5 55.7 57.8 67.7 74.6 69.7 Apr 76.4 79.5 78.9 58.0 53.9 56.2 65.2 72.1 67.5 May 79.3 82.4 79.6 61.7 58.9 62.9 70.6 76.2 71.5 Jun 84.5 87.2 83.8 67.0 65.3 68.9 75.8 81.5 76.8 Jul 85.1 87.7 84.9 67.1 63.8 67.2 75.0 81.5 76.5 Aug 84.4 87.1 85.4 67.0 63.6 67.0 75.3 80.9 76.3 Sep 84.3 87.1 86.8 69.0 65.6 69.3 77.5 81.2 77.6 Oct 80.4 83.0 83.4 66.6 61.7 64.9 73.8 77.7 73.9 Nov 80.2 82.0 83.1 66.9 60.6 63.4 73.3 77.6 73.4 Dec 79.9 81.5 82.5 68.2 59.1 61.2 72.8 77.5 72.8 Annual 81.1 83.5 83.0 65.7 60.3 63.1 72.4 78.0 73.4 Ann-NCDC 81.1 83.5 83.0 65.7 60.3 63.1 72.4 78.0 73.4 ---------------------------------------------------------------------------------- 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: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 71 74 77 80 83 86 89 92 94 Month ---------------------------------------------------------------------------------- Jan 30 30 30 30 30 30 30 30 30 Feb 30 30 30 30 30 30 30 30 30 Mar 30 30 30 30 30 30 30 30 30 Apr 30 30 30 30 30 30 30 30 30 May 30 30 30 30 30 30 30 30 30 Jun 30 30 30 30 30 30 30 30 30 Jul 30 30 30 30 30 30 30 30 30 Aug 30 30 30 30 30 30 30 30 30 Sep 30 30 30 30 30 30 30 30 30 Oct 30 30 30 30 30 30 30 30 30 Nov 30 30 30 30 30 30 30 30 30 Dec 30 30 30 30 30 30 30 30 30 Annual 30 30 30 30 30 30 30 30 30 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: 1990 1990 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1019.8 30 Feb 1018.9 30 Mar 1018.0 30 Apr 1017.5 30 May 1016.2 30 Jun 1016.5 30 Jul 1018.2 30 Aug 1017.0 30 Sep 1015.4 30 Oct 1015.6 30 Nov 1017.7 30 Dec 1019.6 30 Annual 1017.5 30 Ann-NCDC 1017.5 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4.7 Feb 5.0 Mar 5.3 Apr 5.1 May 4.8 Jun 4.1 Jul 3.7 Aug 3.8 Sep 4.0 Oct 4.9 Nov 5.0 Dec 4.8 Annual 4.6 Ann-NCDC 4.6 ------------------ 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: 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 .058 .017 .023 .056 .092 .061 .072 .064 .054 Feb .049 .020 .028 .052 .072 .069 .084 .071 .058 Mar .045 .020 .038 .065 .093 .099 .130 .084 .061 Apr .049 .023 .044 .088 .117 .113 .124 .072 .048 May .043 .018 .045 .105 .129 .150 .134 .063 .051 Jun .087 .012 .035 .068 .098 .137 .125 .068 .077 Jul .101 .013 .019 .046 .105 .160 .146 .067 .065 Aug .112 .012 .025 .066 .133 .168 .120 .060 .052 Sep .099 .026 .062 .118 .149 .124 .069 .033 .045 Oct .056 .046 .110 .170 .130 .071 .043 .025 .030 Nov .063 .029 .055 .130 .140 .070 .055 .032 .030 Dec .055 .018 .035 .072 .109 .070 .072 .051 .047 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: 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: 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 .031 .031 .041 .052 .074 .121 .105 .050 Feb .036 .039 .047 .059 .077 .108 .085 .046 Mar .034 .035 .043 .049 .053 .062 .053 .037 Apr .030 .043 .051 .046 .043 .041 .037 .032 May .037 .044 .044 .035 .030 .024 .026 .024 Jun .051 .060 .047 .038 .029 .020 .024 .024 Jul .047 .047 .045 .043 .032 .026 .020 .019 Aug .038 .043 .035 .034 .030 .026 .025 .022 Sep .034 .033 .032 .038 .034 .033 .035 .036 Oct .017 .021 .029 .034 .043 .065 .060 .049 Nov .023 .024 .029 .039 .050 .100 .086 .044 Dec .029 .028 .031 .042 .065 .120 .106 .048 Annual NA NA NA NA NA NA NA NA 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: 1990 1990 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 315.0 30 Feb 315.0 30 Mar 135.0 30 Apr 135.0 30 May 112.5 30 Jun 112.5 30 Jul 112.5 30 Aug 112.5 30 Sep 90.0 30 Oct 67.5 30 Nov 90.0 30 Dec 315.0 30 Annual 90.0 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.1 Feb 1.2 Mar 2.3 Apr 3.1 May 7.6 Jun 12.7 Jul 15.8 Aug 15.0 Sep 11.3 Oct 4.0 Nov 1.7 Dec 1.0 Annual 76.8 Ann-NCDC 76.8 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.3 Feb 4.9 Mar 5.0 Apr 6.0 May 5.4 Jun 3.5 Jul 2.2 Aug 2.3 Sep 2.4 Oct 2.6 Nov 2.8 Dec 3.2 Annual 45.6 Ann-NCDC 45.6 ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb * Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct * Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ 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: 1990 1990 Qualifier: 10.0 35.0 Month -------------------------- Jan 30.9 .0 Feb 28.0 .0 Mar 31.0 .0 Apr 30.0 .1 May 31.0 .3 Jun 30.0 .5 Jul 31.0 1.5 Aug 31.0 .7 Sep 30.0 .2 Oct 31.0 * Nov 30.0 .0 Dec 30.9 .0 Annual 364.8 3.3 Ann-NCDC 364.8 3.3 -------------------------- 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: 1990 1990 Qualifier: 0.0 10.0 Month -------------------------- Jan .4 9.1 Feb .1 7.5 Mar .1 3.3 Apr .0 .6 May .0 .0 Jun .0 .0 Jul .0 .0 Aug .0 .0 Sep .0 .0 Oct .0 .1 Nov .0 2.0 Dec .2 6.9 Annual .8 29.5 Ann-NCDC 0.8 29.5 -------------------------- 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 6.0 Feb 6.0 Mar 5.9 Apr 4.6 May 9.4 Jun 12.5 Jul 12.4 Aug 13.4 Sep 14.5 Oct 10.3 Nov 7.4 Dec 5.9 Annual 108.3 Ann-NCDC 108.3 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (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 .0 Ann-NCDC 0.0 ------------------ Element 98: Number Days with Blowing Snow (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 * Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 12.0 Feb 11.4 Mar 10.9 Apr 8.9 May 14.7 Jun 17.9 Jul 17.8 Aug 19.9 Sep 20.8 Oct 16.2 Nov 12.8 Dec 11.2 Annual 174.5 Ann-NCDC 174.5 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.6 Feb 5.9 Mar 5.2 Apr 4.2 May 2.7 Jun 2.1 Jul 1.0 Aug 1.2 Sep 1.6 Oct 3.2 Nov 4.6 Dec 6.3 Annual 44.6 Ann-NCDC 44.6 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------