Station Name: Miyakojima WMO Station Number: 47927 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 24d 47m N Longitude: 125d 17m E Elevation: 40 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 17.2 1.3 Feb 17.6 1.3 Mar 19.3 .8 Apr 22.1 1.0 May 24.8 .7 Jun 26.8 .8 Jul 28.3 .7 Aug 28.0 .6 Sep 27.1 .5 Oct 24.9 .7 Nov 22.1 .8 Dec 19.0 1.0 Annual 23.1 .4 Ann-NCDC 23.1 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN STD_DEV MIN_MLY MAX_MLY Month ------------------------------------------ Jan 19.8 1.3 16.0 21.9 Feb 20.3 1.4 17.0 23.1 Mar 22.1 .9 20.8 24.2 Apr 25.1 1.1 23.7 28.3 May 27.7 .9 25.6 30.0 Jun 29.5 .9 28.0 32.8 Jul 31.3 .8 29.2 33.5 Aug 30.9 .7 29.3 32.0 Sep 30.0 .6 28.8 31.2 Oct 27.6 .8 26.2 29.3 Nov 24.6 .9 22.6 26.1 Dec 21.5 1.0 18.8 23.1 Annual 25.9 .3 25.1 26.5 Ann-NCDC 25.9 NA NA NA ------------------------------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN STD_DEV MIN_MLY MAX_MLY Month ------------------------------------------ Jan 15.0 1.3 10.7 17.7 Feb 15.3 1.3 12.1 17.6 Mar 17.0 .9 15.4 18.8 Apr 19.7 1.0 17.6 21.9 May 22.5 .7 21.0 23.4 Jun 24.7 .8 23.6 26.5 Jul 25.9 .7 24.1 27.3 Aug 25.6 .5 24.8 26.7 Sep 24.8 .5 24.0 25.8 Oct 22.9 .8 21.2 24.6 Nov 20.2 .8 18.8 22.0 Dec 17.0 1.0 14.4 18.5 Annual 20.9 .4 20.1 21.6 Ann-NCDC 20.9 NA NA 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 ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 141.4 56.5 87.2 124.0 150.2 202.0 257.5 Feb 132.5 25.5 51.3 101.5 125.7 190.2 530.0 Mar 129.5 26.0 61.5 104.2 127.2 192.0 355.0 Apr 172.1 8.2 31.2 115.3 194.0 257.9 619.5 May 193.2 5.0 65.0 158.9 231.4 307.3 416.0 Jun 217.0 13.5 74.0 156.0 257.8 329.0 533.4 Jul 162.5 19.3 57.2 103.2 196.3 256.0 420.0 Aug 226.6 54.5 102.7 176.9 253.0 282.2 751.0 Sep 199.1 26.5 104.0 148.1 226.0 261.7 452.0 Oct 161.8 20.5 86.5 130.0 171.0 241.7 356.5 Nov 145.2 51.5 81.5 98.3 150.2 193.4 396.5 Dec 152.3 10.0 64.5 119.7 154.0 232.7 360.0 Annual 2033.1 1299.1 1697.2 1868.8 2009.2 2380.0 3242.7 Ann-NCDC 2033.2 NA NA NA NA NA NA ------------------------------------------------------------------ Element 09: Snowfall (cm) MNDLYMX (Statistic 09): Mean Daily Maximum Value MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MNDLYMX MEANMLY MIN_MLY MAX_MLY Month ------------------------------------------ Jan 0 0 0 0 Feb 0 0 0 0 Mar 0 0 0 0 Apr 0 0 0 0 May 0 0 0 0 Jun 0 0 0 0 Jul 0 0 0 0 Aug 0 0 0 0 Sep 0 0 0 0 Oct 0 0 0 0 Nov 0 0 0 0 Dec 0 0 0 0 Annual 0 0 0 0 Ann-NCDC NA 0.0 NA NA ------------------------------------------ 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 73 5 77 75 70 75 Feb 77 4 81 78 72 79 Mar 79 4 83 79 74 81 Apr 81 3 87 80 75 84 May 84 3 89 82 78 87 Jun 86 3 91 84 79 89 Jul 82 3 88 79 74 85 Aug 82 3 88 80 75 85 Sep 81 3 86 79 74 83 Oct 76 4 80 74 71 78 Nov 75 5 78 74 71 76 Dec 73 5 75 73 68 74 Annual 79 2 84 78 73 81 Ann-NCDC 79.1 NA 83.6 78.1 73.4 81.3 ---------------------------------------------------------- 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 1020.0 1.3 Feb 1019.0 1.7 Mar 1017.1 1.1 Apr 1014.5 1.1 May 1010.5 .8 Jun 1008.0 1.4 Jul 1007.4 1.8 Aug 1006.0 2.1 Sep 1009.3 1.8 Oct 1013.9 1.4 Nov 1017.6 .9 Dec 1019.8 1.2 Annual 1013.6 .5 Ann-NCDC 1013.6 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 1015.2 1.3 Feb 1014.2 1.7 Mar 1012.3 1.1 Apr 1009.8 1.1 May 1005.9 .8 Jun 1003.4 1.4 Jul 1002.9 1.7 Aug 1001.5 2.1 Sep 1004.7 1.8 Oct 1009.3 1.4 Nov 1012.9 .9 Dec 1015.0 1.2 Annual 1008.9 .4 Ann-NCDC 1008.9 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 14.7 2.1 Feb 15.9 1.8 Mar 18.2 1.7 Apr 22.0 1.9 May 26.5 1.4 Jun 30.3 1.3 Jul 31.4 .9 Aug 31.0 .9 Sep 29.0 1.6 Oct 24.1 2.2 Nov 20.3 2.1 Dec 16.3 1.8 Annual 23.3 .6 Ann-NCDC 23.3 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 27.0 91.5 Feb 26.0 84.5 Mar 31.0 114.9 Apr 39.0 146.9 May 38.0 157.3 Jun 48.0 194.1 Jul 63.0 261.0 Aug 59.0 236.5 Sep 56.0 204.5 Oct 47.0 167.6 Nov 33.0 108.6 Dec 30.0 97.4 Annual 42.0 1864.8 Ann-NCDC NA 1864.8 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 5.0 Feb 5.0 Mar 4.7 Apr 4.5 May 4.3 Jun 4.6 Jul 4.4 Aug 4.6 Sep 4.2 Oct 5.1 Nov 5.7 Dec 5.3 Annual 4.8 Ann-NCDC 4.8 ------------------ 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 .280 .170 .100 .090 .070 .040 .030 .040 .020 Feb .230 .170 .100 .070 .050 .040 .050 .080 .050 Mar .180 .120 .090 .080 .060 .050 .060 .110 .080 Apr .110 .120 .100 .090 .060 .060 .070 .150 .100 May .070 .100 .110 .110 .070 .060 .070 .130 .110 Jun .020 .050 .070 .070 .050 .050 .100 .190 .240 Jul .010 .030 .060 .070 .060 .070 .120 .180 .200 Aug .040 .070 .090 .100 .070 .080 .080 .090 .110 Sep .080 .130 .150 .130 .080 .060 .060 .070 .050 Oct .200 .280 .180 .100 .040 .030 .020 .020 .010 Nov .240 .230 .170 .110 .050 .030 .020 .010 .010 Dec .290 .230 .150 .090 .050 .030 .020 .010 .010 Annual .150 .140 .110 .090 .060 .050 .060 .090 .080 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 .010 * * * * .010 .140 Feb .020 .010 * * * .010 .110 Mar .030 .010 .010 * .010 .020 .110 Apr .030 .010 .010 .010 .010 .020 .060 May .050 .010 .010 .010 .010 .020 .050 Jun .090 .020 .010 .010 .010 .020 .030 Jul .110 .030 .020 .010 .010 .010 .020 Aug .080 .040 .020 .020 .020 .040 .050 Sep .040 .020 .010 .010 .020 .050 .060 Oct .010 * .010 * .010 .010 .070 Nov * * * * * * .110 Dec * * * * * .010 .110 Annual .040 .010 .010 .010 .010 .020 .080 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 22.5 Feb 22.5 Mar 22.5 Apr 180.0 May 180.0 Jun 202.5 Jul 202.5 Aug 202.5 Sep 67.5 Oct 45.0 Nov 22.5 Dec 22.5 Annual 22.5 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.2 Feb 6.3 Mar 6.1 Apr 5.8 May 6.2 Jun 5.9 Jul 4.7 Aug 4.9 Sep 4.8 Oct 5.0 Nov 5.9 Dec 6.0 Annual 5.7 Ann-NCDC 5.7 ------------------ Element 33: Global Solar Radiation (MJ/m2) MEANDLY (Statistic 06): Mean Daily Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.8 Feb 9.3 Mar 11.9 Apr 14.7 May 16.6 Jun 19.1 Jul 21.2 Aug 19.2 Sep 17.0 Oct 14.0 Nov 10.1 Dec 9.1 Annual 14.3 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .5 Feb .6 Mar 2.1 Apr 2.8 May 3.5 Jun 3.7 Jul 3.0 Aug 3.1 Sep 2.4 Oct 1.5 Nov .3 Dec .4 Annual 23.8 Ann-NCDC 23.9 ------------------ 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 7.0 Feb 6.3 Mar 5.7 Apr 3.3 May 3.8 Jun 2.9 Jul 1.6 Aug 1.4 Sep 1.1 Oct 2.7 Nov 5.9 Dec 5.9 Annual 47.6 Ann-NCDC 47.6 ------------------ 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 .8 .0 Feb 2.1 .0 Mar 5.9 .0 Apr 16.7 .1 May 27.8 3.0 Jun 29.3 14.6 Jul 31.0 27.2 Aug 31.0 25.1 Sep 30.0 16.9 Oct 28.6 2.7 Nov 14.1 .1 Dec 2.4 .0 Annual 219.8 89.7 Ann-NCDC 219.7 89.7 -------------------------- 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 .1 May 2.2 Jun 14.9 Jul 24.8 Aug 23.4 Sep 13.6 Oct 2.4 Nov .1 Dec .0 Annual 81.4 Ann-NCDC 81.5 ------------------ 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 .0 Feb .0 Mar * Apr 2.7 May 16.1 Jun 25.6 Jul 30.8 Aug 31.0 Sep 28.7 Oct 16.9 Nov 1.4 Dec .0 Annual 153.3 Ann-NCDC 153.2 ------------------ 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 15.3 12.5 4.5 1.2 .3 * .0 Feb 14.0 11.8 4.2 .9 .4 .1 * Mar 13.4 11.5 3.8 1.1 .3 .2 .0 Apr 10.8 9.1 3.9 1.8 .8 .4 .3 May 13.0 11.4 5.0 2.0 .9 .6 .2 Jun 10.3 10.5 5.5 2.2 1.2 .6 .3 Jul 10.9 9.6 3.8 1.4 .8 .6 .3 Aug 14.0 12.3 5.2 2.0 1.1 .7 .4 Sep 13.2 11.4 4.2 1.7 1.2 .8 .3 Oct 11.6 10.0 4.3 1.8 .7 .4 .1 Nov 13.0 11.3 3.5 1.2 .5 .3 .1 Dec 12.3 12.0 4.5 1.1 .6 .4 .1 Annual 151.6 133.4 52.4 18.4 8.9 5.0 2.1 Ann-NCDC 151.8 133.4 52.4 18.4 8.8 5.1 2.1 ------------------------------------------------------------------ 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 * Feb * Mar .2 Apr .2 May * Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec * Annual .5 Ann-NCDC 0.4 ------------------ 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 4.3 .0 .0 .0 Feb 4.6 .0 .0 .0 Mar 3.1 .0 .0 .0 Apr 2.1 .0 .0 .0 May 1.7 .0 .0 .0 Jun 2.8 .1 .0 .0 Jul 2.9 .3 .1 .0 Aug 5.2 1.4 .6 .0 Sep 3.9 .7 .2 .0 Oct 4.5 .5 .1 .0 Nov 8.0 .4 .0 .0 Dec 4.6 .1 .0 .0 Annual 47.6 3.4 .9 .0 Ann-NCDC 47.7 3.5 1.0 0.0 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 24.6 Feb 22.7 Mar 22.5 Apr 19.2 May 21.1 Jun 19.9 Jul 20.5 Aug 22.7 Sep 21.6 Oct 21.8 Nov 24.2 Dec 24.0 Annual 264.8 Ann-NCDC 264.8 ------------------ 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 ----------------------------------------------------------