Station Name: Minamitorishima WMO Station Number: 47991 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 24d 18m N Longitude: 153d 58m E Elevation: 8 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 STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 21.9 .8 Feb 21.3 .6 Mar 21.9 .8 Apr 23.8 .5 May 25.7 .5 Jun 27.4 .6 Jul 28.0 .6 Aug 27.8 .5 Sep 28.0 .5 Oct 27.4 .4 Nov 26.1 .5 Dec 24.0 .6 Annual 25.3 .3 Ann-NCDC 25.3 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 24.3 .9 Feb 24.0 .7 Mar 24.8 1.0 Apr 26.7 .7 May 28.6 .8 Jun 30.4 .8 Jul 30.9 .9 Aug 30.5 .7 Sep 30.6 .8 Oct 29.9 .7 Nov 28.4 .6 Dec 26.2 .7 Annual 27.9 .5 Ann-NCDC 27.9 NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 19.9 .9 Feb 19.1 .6 Mar 19.7 .9 Apr 21.8 .6 May 23.5 .5 Jun 25.1 .5 Jul 25.6 .6 Aug 25.5 .4 Sep 25.8 .5 Oct 25.5 .5 Nov 24.4 .5 Dec 22.1 .6 Annual 23.2 .3 Ann-NCDC 23.2 NA -------------------------- Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 91.6 Feb 43.7 Mar 56.4 Apr 66.0 May 78.3 Jun 70.5 Jul 182.9 Aug 167.0 Sep 118.7 Oct 98.0 Nov 77.2 Dec 101.5 Annual 1151.8 Ann-NCDC 1151.8 ------------------ Element 09: Snowfall (cm) MNDLYMX (Statistic 09): Mean Daily Maximum Value MEANMLY (Statistic 15): Mean Monthly Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MNDLYMX MEANMLY 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 NA 0.0 -------------------------- Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum 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 NA ------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MN03LST (Statistic 73): Mean of Observations at 0300 LST MN09LST (Statistic 79): Mean of Observations at 0900 LST MN15LST (Statistic 85): Mean of Observations at 1500 LST MN21LST (Statistic 91): Mean of Observations at 2100 LST ---------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 Statistic: MEAN STD_DEV MN03LST MN09LST MN15LST MN21LST Month ---------------------------------------------------------- Jan 71 3 73 69 69 72 Feb 70 4 73 67 68 72 Mar 74 4 77 70 70 77 Apr 79 5 83 75 75 82 May 79 4 84 74 75 82 Jun 77 3 83 73 73 81 Jul 78 4 83 74 74 81 Aug 80 4 84 77 77 83 Sep 79 3 83 76 77 81 Oct 79 4 82 75 77 81 Nov 78 5 81 75 77 80 Dec 76 3 78 74 75 77 Annual 77 2 80 74 74 79 Ann-NCDC 76.7 NA 80.3 73.3 73.9 79.1 ---------------------------------------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 1015.6 1.8 Feb 1016.3 1.6 Mar 1016.7 1.5 Apr 1016.7 1.7 May 1015.4 1.2 Jun 1014.8 1.0 Jul 1012.8 1.7 Aug 1012.0 2.4 Sep 1012.8 1.9 Oct 1014.3 1.5 Nov 1015.6 1.2 Dec 1016.2 1.5 Annual 1015.0 .7 Ann-NCDC 1014.9 NA -------------------------- Element 13: Station Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 1014.6 1.8 Feb 1015.3 1.6 Mar 1015.7 1.5 Apr 1015.7 1.7 May 1014.4 1.2 Jun 1013.8 1.0 Jul 1011.8 1.7 Aug 1011.0 2.4 Sep 1011.8 1.9 Oct 1013.3 1.5 Nov 1014.6 1.2 Dec 1015.2 1.5 Annual 1013.9 .7 Ann-NCDC 1013.9 NA -------------------------- Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 18.9 1.6 Feb 18.0 1.3 Mar 19.6 1.8 Apr 23.4 1.6 May 26.0 1.4 Jun 28.2 1.4 Jul 29.5 .9 Aug 29.9 .9 Sep 29.8 .9 Oct 28.8 1.2 Nov 26.4 1.6 Dec 22.8 1.4 Annual 25.1 .6 Ann-NCDC 25.1 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 47.0 155.4 Feb 55.0 175.2 Mar 60.0 221.9 Apr 63.0 238.6 May 68.0 281.2 Jun 71.0 289.5 Jul 64.0 265.2 Aug 65.0 261.7 Sep 70.0 256.4 Oct 68.0 244.3 Nov 63.0 207.7 Dec 51.0 168.4 Annual 62.0 2764.6 Ann-NCDC NA 2765.5 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 5.7 Feb 5.6 Mar 5.6 Apr 5.6 May 5.2 Jun 4.5 Jul 4.9 Aug 5.0 Sep 5.8 Oct 6.0 Nov 6.4 Dec 5.9 Annual 5.5 Ann-NCDC 5.5 ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency 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 Qualifier: 202.5 degrees ---------------------------------------------------------------------------------- byr: 1975 1975 1975 1975 1975 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 202.5 Month ---------------------------------------------------------------------------------- Jan .090 .100 .080 .070 .050 .050 .030 .030 .040 Feb .090 .090 .080 .080 .060 .040 .030 .040 .050 Mar .080 .090 .130 .110 .090 .070 .040 .040 .050 Apr .040 .110 .150 .190 .140 .090 .050 .050 .050 May .020 .060 .120 .190 .150 .120 .080 .060 .070 Jun .020 .040 .120 .190 .160 .100 .060 .070 .070 Jul .010 .040 .100 .220 .160 .110 .060 .070 .070 Aug .020 .060 .130 .200 .150 .080 .050 .060 .060 Sep .030 .070 .180 .320 .150 .090 .040 .020 .020 Oct .030 .080 .150 .250 .170 .110 .040 .040 .030 Nov .040 .130 .180 .200 .130 .080 .050 .050 .040 Dec .090 .120 .130 .120 .080 .060 .040 .040 .040 Annual .050 .080 .130 .180 .130 .080 .050 .050 .050 Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 38: Frequency 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: 1975 1975 1975 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 1990 1990 1990 Qualifier: 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month ------------------------------------------------------------------ Jan .040 .050 .050 .070 .070 .090 .090 Feb .060 .050 .060 .050 .060 .080 .090 Mar .050 .030 .030 .030 .030 .050 .060 Apr .040 .020 .010 .010 .020 .020 .030 May .050 .020 .010 .010 .010 .010 .010 Jun .060 .030 .020 .010 .010 .010 .010 Jul .070 .030 .020 .010 .010 .010 .010 Aug .050 .040 .030 .020 .020 .020 .020 Sep .020 .020 .020 .010 .010 .010 .020 Oct .020 .020 .020 .010 .010 .010 .010 Nov .020 .010 .010 .010 .010 .010 .020 Dec .040 .030 .020 .030 .030 .050 .070 Annual .040 .030 .020 .020 .020 .030 .040 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 45.0 Feb 360.0 Mar 67.5 Apr 90.0 May 90.0 Jun 90.0 Jul 90.0 Aug 90.0 Sep 90.0 Oct 90.0 Nov 90.0 Dec 67.5 Annual 90.0 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4.8 Feb 4.4 Mar 4.2 Apr 4.2 May 4.1 Jun 3.8 Jul 4.6 Aug 4.6 Sep 4.0 Oct 3.8 Nov 3.8 Dec 4.5 Annual 4.2 Ann-NCDC 4.2 ------------------ Element 33: Global Solar Radiation (MJ/m2) MEANDLY (Statistic 06): Mean Daily Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 12.0 Feb 15.2 Mar 18.9 Apr 21.1 May 23.5 Jun 24.1 Jul 21.6 Aug 20.8 Sep 20.2 Oct 17.3 Nov 14.2 Dec 11.8 Annual 18.3 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb * Mar .1 Apr .4 May .5 Jun .5 Jul .9 Aug 1.7 Sep 1.2 Oct .7 Nov .3 Dec .1 Annual 6.5 Ann-NCDC 6.4 ------------------ Element 56: Number Days with Snowfall (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 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.3 Feb .8 Mar .6 Apr .6 May .4 Jun .1 Jul 1.0 Aug 1.0 Sep .5 Oct .6 Nov .2 Dec 1.2 Annual 9.3 Ann-NCDC 9.3 ------------------ Element 83: Number Days Maximum Temperature GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 25.0 deg C Qualifier: 30.0 deg C -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 25.0 30.0 Month -------------------------- Jan 11.3 .0 Feb 8.3 .0 Mar 15.1 .0 Apr 25.0 .1 May 30.2 6.7 Jun 30.0 20.2 Jul 31.0 23.7 Aug 31.0 21.9 Sep 30.0 21.8 Oct 31.0 15.9 Nov 29.7 3.3 Dec 23.7 .0 Annual 296.2 113.6 Ann-NCDC 296.3 113.6 -------------------------- Element 86: Number Days Minimum Temperature GE Threshold (count) Qualifier: 25.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May 4.4 Jun 17.4 Jul 21.9 Aug 22.0 Sep 23.5 Oct 22.4 Nov 10.9 Dec .9 Annual 123.4 Ann-NCDC 123.4 ------------------ Element 87: Number Days Mean Temperature GE Threshold (count) Qualifier: 25.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.0 Feb * Mar .5 Apr 6.0 May 22.3 Jun 29.1 Jul 30.9 Aug 30.9 Sep 29.9 Oct 30.7 Nov 26.6 Dec 7.4 Annual 215.2 Ann-NCDC 215.3 ------------------ Element 91: Number Days Maximum Temperature LT Threshold (count) Qualifier: 0.0 deg C 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 93: Number Days Minimum Temperature LT Threshold (count) Qualifier: 0.0 deg C 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 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.5 mm Qualifier: 1.0 mm Qualifier: 10.0 mm Qualifier: 30.0 mm Qualifier: 50.0 mm Qualifier: 70.0 mm Qualifier: 100.0 mm ------------------------------------------------------------------ byr: 1968 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Qualifier: 0.5 1.0 10.0 30.0 50.0 70.0 100.0 Month ------------------------------------------------------------------ Jan 11.1 9.0 2.5 .7 .2 .1 .1 Feb 7.9 6.1 1.3 .1 * * .0 Mar 8.2 6.6 1.3 .4 .2 .1 * Apr 6.7 5.5 1.9 .5 .2 .1 * May 8.9 7.3 2.4 .6 .2 .1 .0 Jun 9.7 7.5 2.1 .5 .1 .1 .0 Jul 14.5 12.1 4.4 1.7 .8 .3 .2 Aug 16.9 14.8 4.3 1.7 .6 .3 .1 Sep 13.9 11.0 3.0 .9 .3 .3 .1 Oct 12.6 9.6 2.1 .7 .4 .2 .1 Nov 11.2 8.6 2.0 .6 .3 * .0 Dec 12.3 9.9 2.7 .6 .5 .2 * Annual 133.9 108.0 30.0 9.1 4.0 2.0 .9 Ann-NCDC 133.9 108.0 30.0 9.0 3.8 1.8 0.6 ------------------------------------------------------------------ Element BH: Number Days Mean Temperature LT Threshold (count) Qualifier: 0.0 deg C 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 BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .1 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual .1 Ann-NCDC 0.1 ------------------ Element BM: Number Days with Daily Maximum Wind Speed GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 10.0 m/sec Qualifier: 15.0 m/sec Qualifier: 20.0 m/sec Qualifier: 30.0 m/sec ------------------------------------------ byr: 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 Qualifier: 10.0 15.0 20.0 30.0 Month ------------------------------------------ Jan 8.1 .5 .1 .0 Feb 7.2 .3 .0 .0 Mar 7.4 .2 .0 .0 Apr 7.7 .3 .1 .0 May 5.1 .2 .0 .0 Jun 2.8 .0 .0 .0 Jul 5.2 .1 .1 .1 Aug 6.8 .8 .1 .0 Sep 8.8 .9 .2 .0 Oct 9.6 1.2 .3 .1 Nov 12.1 .4 .0 .0 Dec 9.3 .5 .0 .0 Annual 89.9 5.4 .8 .1 Ann-NCDC 90.1 5.4 0.9 0.2 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 20.0 Feb 15.8 Mar 15.7 Apr 15.2 May 17.2 Jun 17.8 Jul 22.2 Aug 24.1 Sep 21.0 Oct 21.2 Nov 19.0 Dec 20.7 Annual 230.0 Ann-NCDC 229.9 ------------------ Element BW: Number Days with Daily Maximum Snow Cover GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.0 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 20.0 cm Qualifier: 50.0 cm Qualifier: 100.0 cm ---------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 0.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan .0 .0 .0 .0 .0 .0 Feb .0 .0 .0 .0 .0 .0 Mar .0 .0 .0 .0 .0 .0 Apr .0 .0 .0 .0 .0 .0 May .0 .0 .0 .0 .0 .0 Jun .0 .0 .0 .0 .0 .0 Jul .0 .0 .0 .0 .0 .0 Aug .0 .0 .0 .0 .0 .0 Sep .0 .0 .0 .0 .0 .0 Oct .0 .0 .0 .0 .0 .0 Nov .0 .0 .0 .0 .0 .0 Dec .0 .0 .0 .0 .0 .0 Annual .0 .0 .0 .0 .0 .0 Ann-NCDC 0.0 0.0 0.0 0.0 0.0 0.0 ----------------------------------------------------------