Station Name: SAN CLEMENTE/ISLAND NAAS CA WMO Station Number: National I.D. Number: 00093117 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 33d 01m N Longitude: 118d 35m W Elevation: 52 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: 1963 1963 eyr: 1989 1989 Statistic: MAX_VAL DATEMAX Month -------------------------- Jan 28.9 197513 Feb 26.7 197112 Mar 30.6 197817 Apr 31.1 198721 May 34.4 197913 Jun 38.3 197910 Jul 30.0 197727 Aug 29.4 198306 Sep 38.9 196326 Oct 34.4 197105 Nov 32.2 196601 Dec 26.1 197906 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: 1963 1963 eyr: 1989 1989 Statistic: MIN_VAL DATEMIN Month -------------------------- Jan 2.2 197602 Feb 4.4 198510 Mar 3.9 197609 Apr 5.6 198314 May 6.7 197910 Jun 11.1 198206 Jul 11.1 197504 Aug 12.8 197819 Sep 11.1 198622 Oct 6.7 197130 Nov 5.0 197921 Dec 3.3 198226 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: 1963 1963 1963 eyr: 1989 1989 1989 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 2.5 10.8 22 Feb 2.2 11.4 22 Mar 2.0 11.5 21 Apr 1.9 11.7 23 May 1.8 12.8 23 Jun 1.7 14.3 23 Jul 1.7 15.7 23 Aug 1.6 16.7 23 Sep 1.9 16.4 22 Oct 1.9 15.2 21 Nov 2.4 13.1 21 Dec 2.6 11.4 17 Annual 2.9 13.4 15 Ann-NCDC NA 13.4 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: 1963 1963 1963 eyr: 1989 1989 1989 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 3.8 8.7 22 Feb 3.3 9.6 22 Mar 2.7 9.7 21 Apr 2.6 9.7 23 May 2.1 11.0 23 Jun 1.9 12.8 23 Jul 1.7 14.4 23 Aug 1.7 15.3 23 Sep 2.5 14.9 22 Oct 3.0 13.4 21 Nov 3.4 11.3 21 Dec 3.7 9.6 17 Annual 3.7 11.7 15 Ann-NCDC NA 11.7 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: 1963 1963 1963 1963 1963 1963 1963 eyr: 1989 1989 1989 1989 1989 1989 1989 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan .0 .0 198931 .0 .0 .0 24 Feb .0 .0 198928 .0 .0 .0 26 Mar .0 .0 198931 .0 .0 .0 25 Apr .0 .0 198830 .0 .0 .0 26 May .0 .0 198831 .0 .0 .0 26 Jun .0 .0 198830 .0 .0 .0 26 Jul .0 .0 198831 .0 .0 .0 26 Aug .0 .0 198831 .0 .0 .0 26 Sep .0 .0 198830 .0 .0 .0 26 Oct .0 .0 198831 .0 .0 .0 25 Nov .0 .0 198830 .0 .0 .0 26 Dec .0 .0 198830 .0 .0 .0 21 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: 1963 1963 1963 1963 1963 1963 1963 1963 1963 eyr: 1989 1989 1989 1989 1989 1989 1989 1989 1989 Statistic: MN01LST MN04LST MN07LST MN10LST MN13LST MN16LST MN19LST MN22LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 82.7 82.7 81.9 71.4 65.7 68.2 78.9 81.9 77.0 Feb 85.3 86.0 85.0 74.1 68.2 70.6 79.9 83.5 79.6 Mar 84.7 85.2 83.7 73.0 66.9 69.0 79.7 82.8 78.5 Apr 83.8 84.7 80.4 68.9 64.2 66.7 77.2 81.7 75.9 May 84.9 85.7 81.5 71.9 67.3 69.9 79.2 83.3 78.1 Jun 87.3 87.9 84.1 74.1 69.9 72.1 80.4 85.5 80.2 Jul 88.5 89.0 85.8 75.9 70.5 72.9 81.4 86.7 81.3 Aug 87.4 88.1 85.0 74.9 69.8 72.5 82.1 85.9 80.9 Sep 86.6 87.3 84.6 74.5 69.9 72.9 82.4 85.2 80.5 Oct 86.3 86.7 84.1 71.9 67.0 70.5 81.6 84.6 79.1 Nov 84.9 85.3 83.5 71.4 67.2 71.1 81.6 84.0 78.8 Dec 84.4 84.3 83.3 72.7 67.7 71.1 80.8 83.1 79.4 Annual 85.8 86.4 83.9 73.5 68.3 71.2 81.3 84.7 79.5 Ann-NCDC 85.6 86.1 83.6 72.9 67.9 70.6 80.4 84.0 79.1 ---------------------------------------------------------------------------------- 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: 1963 1963 1963 1963 1963 1963 1963 1963 1963 eyr: 1989 1989 1989 1989 1989 1989 1989 1989 1989 Qualifier: 71 74 77 80 83 86 89 92 94 Month ---------------------------------------------------------------------------------- Jan 22 22 26 27 27 27 23 22 22 Feb 22 22 25 26 26 26 24 24 22 Mar 21 21 24 24 25 24 22 22 21 Apr 23 23 26 26 26 26 24 23 23 May 23 23 26 26 26 25 23 23 23 Jun 23 23 26 26 26 25 25 24 23 Jul 23 23 26 26 26 26 24 24 23 Aug 23 23 25 25 25 25 23 23 23 Sep 22 22 25 26 26 25 24 22 22 Oct 21 21 26 26 26 26 23 22 21 Nov 21 21 25 26 26 26 23 21 21 Dec 18 19 25 26 26 25 18 17 17 Annual 16 16 21 23 24 21 16 15 15 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: 1963 1963 eyr: 1989 1989 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1018.2 22 Feb 1017.5 22 Mar 1016.4 22 Apr 1015.8 23 May 1014.3 23 Jun 1013.2 23 Jul 1013.4 23 Aug 1012.9 23 Sep 1012.3 22 Oct 1014.6 21 Nov 1016.6 21 Dec 1017.7 17 Annual 1015.1 15 Ann-NCDC 1015.2 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 3.1 Feb 3.4 Mar 4.0 Apr 4.1 May 3.8 Jun 3.6 Jul 3.2 Aug 3.1 Sep 3.1 Oct 2.9 Nov 3.2 Dec 3.1 Annual 3.4 Ann-NCDC 3.4 ------------------ 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: 1963 1963 1963 1963 1963 1963 1963 1963 1963 eyr: 1989 1989 1989 1989 1989 1989 1989 1989 1989 Qualifier: 000.0 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 Month ---------------------------------------------------------------------------------- Jan .123 .029 .025 .035 .048 .044 .031 .039 .063 Feb .109 .017 .016 .020 .034 .042 .020 .029 .060 Mar .073 .012 .012 .013 .020 .018 .009 .021 .052 Apr .054 .009 .005 .005 .014 .011 .007 .017 .046 May .053 .005 .004 .006 .010 .008 .006 .013 .050 Jun .048 .004 .003 .003 .010 .010 .007 .014 .041 Jul .055 .003 .002 .002 .006 .006 .006 .014 .045 Aug .057 .003 .003 .003 .007 .004 .002 .011 .042 Sep .076 .006 .005 .009 .013 .015 .011 .014 .047 Oct .108 .016 .010 .014 .016 .017 .012 .018 .046 Nov .110 .019 .014 .020 .032 .034 .025 .033 .057 Dec .126 .026 .029 .025 .040 .047 .029 .038 .056 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: 1963 1963 1963 1963 1963 1963 1963 1963 eyr: 1989 1989 1989 1989 1989 1989 1989 1989 Qualifier: 202.5 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month -------------------------------------------------------------------------- Jan .061 .048 .058 .090 .120 .090 .057 .040 Feb .065 .059 .067 .102 .144 .117 .058 .040 Mar .058 .049 .081 .158 .214 .132 .049 .028 Apr .067 .069 .109 .185 .233 .116 .033 .019 May .073 .092 .126 .226 .214 .080 .022 .012 Jun .079 .097 .140 .237 .203 .064 .028 .013 Jul .083 .117 .171 .259 .161 .043 .015 .010 Aug .089 .121 .189 .248 .155 .042 .015 .008 Sep .064 .090 .138 .214 .188 .063 .030 .018 Oct .068 .068 .093 .166 .164 .097 .053 .034 Nov .060 .048 .070 .118 .160 .105 .061 .032 Dec .051 .047 .052 .090 .126 .103 .073 .042 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: 1963 1963 eyr: 1989 1989 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 292.5 22 Feb 292.5 22 Mar 292.5 22 Apr 292.5 23 May 270.0 23 Jun 270.0 23 Jul 270.0 23 Aug 270.0 23 Sep 270.0 22 Oct 270.0 21 Nov 292.5 21 Dec 292.5 17 Annual 270.0 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan .0 Feb .0 Mar .2 Apr .1 May .1 Jun .0 Jul .2 Aug .1 Sep .4 Oct .3 Nov .3 Dec NA Annual NA Ann-NCDC NA ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 7.2 Feb 6.1 Mar 5.6 Apr 5.7 May 10.5 Jun 11.2 Jul 15.1 Aug 13.9 Sep 13.0 Oct 12.3 Nov 7.6 Dec NA Annual NA Ann-NCDC NA ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan .0 Feb .1 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .1 Nov .0 Dec NA Annual NA Ann-NCDC NA ------------------ 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: 1963 1963 eyr: 1989 1989 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 .2 Oct 31.0 .0 Nov 30.0 .0 Dec 31.0 .0 Annual 365.0 .2 Ann-NCDC 365.0 0.2 -------------------------- 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: 1963 1963 eyr: 1989 1989 Qualifier: 0.0 10.0 Month -------------------------- Jan .0 17.3 Feb .0 12.9 Mar .0 10.9 Apr .0 7.2 May .0 1.6 Jun .0 .0 Jul .0 .0 Aug .0 .0 Sep .0 .0 Oct .0 .7 Nov .0 6.0 Dec .0 15.4 Annual .0 72.0 Ann-NCDC 0.0 72.0 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 4.7 Feb 3.8 Mar 4.3 Apr 2.4 May .6 Jun .1 Jul .2 Aug .2 Sep .8 Oct .9 Nov 3.2 Dec 3.6 Annual 24.8 Ann-NCDC 24.8 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec NA Annual NA Ann-NCDC NA ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec NA Annual NA Ann-NCDC NA ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 8.0 Feb 7.1 Mar 8.1 Apr 6.4 May 5.2 Jun 5.2 Jul 3.2 Aug 2.1 Sep 3.9 Oct 4.4 Nov 7.3 Dec NA Annual NA Ann-NCDC NA ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec NA Annual NA Ann-NCDC NA ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 9.9 Feb 9.5 Mar 8.0 Apr 5.8 May 9.5 Jun 13.7 Jul 13.3 Aug 9.9 Sep 11.2 Oct 12.7 Nov 10.3 Dec NA Annual NA Ann-NCDC NA ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1963 eyr: 1989 Month ------------------ Jan 16 Feb 16 Mar 16 Apr 17 May 17 Jun 19 Jul 17 Aug 17 Sep 18 Oct 18 Nov 17 Dec 12 Annual NA Ann-NCDC NA ------------------