Station Name: Hachijojima WMO Station Number: 47678 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 33d 06m N Longitude: 139d 47m E Elevation: 79 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 10.2 1.3 Feb 10.2 1.5 Mar 12.2 1.1 Apr 16.2 .9 May 19.2 .6 Jun 22.0 .7 Jul 25.1 .8 Aug 26.5 .5 Sep 24.8 .8 Oct 20.7 .8 Nov 17.1 .9 Dec 12.8 1.1 Annual 18.1 .4 Ann-NCDC 18.1 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 12.9 1.3 10.5 15.3 Feb 13.1 1.5 10.6 15.9 Mar 15.3 1.0 12.9 16.8 Apr 19.2 .9 17.7 21.7 May 22.0 .6 20.9 23.3 Jun 24.4 .8 22.8 26.0 Jul 27.6 .9 25.5 29.5 Aug 29.2 .6 28.2 30.5 Sep 27.5 .9 25.3 29.2 Oct 23.5 .8 21.6 25.9 Nov 19.9 .9 17.9 21.3 Dec 15.6 1.1 13.4 18.1 Annual 20.9 .4 20.3 21.9 Ann-NCDC 20.9 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 7.5 1.3 4.8 9.8 Feb 7.5 1.5 4.6 10.8 Mar 9.4 1.1 6.2 11.1 Apr 13.4 1.1 11.8 16.9 May 16.5 .7 15.2 18.2 Jun 19.8 .8 18.4 21.5 Jul 23.2 .7 21.3 24.5 Aug 24.2 .6 23.0 25.2 Sep 22.5 .8 20.5 24.3 Oct 18.2 1.0 16.6 20.9 Nov 14.4 1.0 11.9 16.4 Dec 10.0 1.0 7.7 12.1 Annual 15.6 .5 14.8 16.6 Ann-NCDC 15.5 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 175.2 56.0 85.5 107.4 176.5 267.2 489.3 Feb 179.7 33.5 105.5 152.7 178.2 239.4 416.5 Mar 257.6 113.0 174.1 238.7 263.5 328.7 437.0 Apr 238.8 80.0 164.7 188.8 256.0 311.1 533.0 May 249.2 97.4 178.5 225.2 261.5 309.2 455.5 Jun 350.3 72.0 263.9 311.7 364.7 464.2 586.5 Jul 189.2 32.5 75.7 143.2 212.7 301.7 403.0 Aug 204.0 31.5 98.4 135.2 199.8 326.2 632.5 Sep 344.1 55.7 202.5 266.0 338.0 513.7 819.8 Oct 456.8 152.2 260.2 394.0 472.5 589.1 1053.0 Nov 255.2 83.5 153.3 210.9 255.9 336.6 663.9 Dec 173.3 23.5 101.7 146.8 186.2 220.0 436.1 Annual 3073.2 2316.0 2655.9 2949.2 3147.2 NA NA Ann-NCDC 3073.4 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 * Feb * * * 6 Mar * * 0 * Apr * * 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 * Dec * * 0 * Annual * * * 6 Ann-NCDC NA * NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb * Mar * Apr 0 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct 0 Nov 0 Dec * Annual * 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 65 4 67 65 63 65 Feb 67 4 69 66 65 68 Mar 70 4 72 68 66 71 Apr 75 4 79 73 71 78 May 80 4 84 77 75 83 Jun 87 3 91 85 83 89 Jul 88 3 92 86 83 90 Aug 85 3 89 82 79 87 Sep 82 3 85 80 77 84 Oct 76 3 79 74 73 78 Nov 72 4 75 71 70 74 Dec 67 3 69 67 65 69 Annual 76 2 79 75 73 78 Ann-NCDC 76.2 NA 79.3 74.5 72.5 78.0 ---------------------------------------------------------- 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 1015.4 2.5 Feb 1015.5 1.9 Mar 1015.0 1.5 Apr 1015.6 1.8 May 1012.5 1.3 Jun 1009.8 1.7 Jul 1009.9 1.4 Aug 1010.0 2.0 Sep 1011.9 1.4 Oct 1015.0 1.3 Nov 1017.4 1.3 Dec 1017.1 1.7 Annual 1013.8 .5 Ann-NCDC 1013.8 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 1005.7 2.5 Feb 1005.7 1.9 Mar 1005.3 1.5 Apr 1006.1 1.7 May 1003.1 1.3 Jun 1000.6 1.7 Jul 1000.7 1.3 Aug 1000.9 2.0 Sep 1002.8 1.4 Oct 1005.6 1.2 Nov 1007.9 1.3 Dec 1007.4 1.7 Annual 1004.3 .5 Ann-NCDC 1004.3 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 8.4 1.2 Feb 8.7 1.3 Mar 10.3 1.2 Apr 14.2 1.4 May 17.9 1.2 Jun 23.2 1.3 Jul 28.1 1.3 Aug 29.4 1.1 Sep 25.8 1.6 Oct 19.0 1.4 Nov 14.5 1.3 Dec 10.3 .9 Annual 17.5 .5 Ann-NCDC 17.5 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 30.0 94.8 Feb 30.0 90.9 Mar 34.0 125.5 Apr 37.0 142.2 May 36.0 152.7 Jun 25.0 106.2 Jul 34.0 150.3 Aug 48.0 199.2 Sep 40.0 148.2 Oct 34.0 121.2 Nov 34.0 105.5 Dec 33.0 103.1 Annual 35.0 1539.7 Ann-NCDC NA 1539.8 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 6.8 Feb 6.6 Mar 6.3 Apr 5.7 May 5.2 Jun 5.1 Jul 4.5 Aug 4.4 Sep 5.1 Oct 5.7 Nov 5.6 Dec 6.0 Annual 5.6 Ann-NCDC 5.6 ------------------ 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 .020 .040 .060 .040 .010 .010 .010 .010 .010 Feb .020 .080 .070 .040 .010 .010 .010 .020 .030 Mar .020 .100 .130 .060 .020 .010 .010 .030 .040 Apr .020 .100 .170 .070 .030 .010 .020 .050 .060 May .010 .100 .180 .080 .020 .020 .020 .050 .070 Jun .010 .100 .180 .060 .020 .010 .020 .050 .080 Jul .010 .110 .170 .070 .020 .010 .020 .030 .070 Aug .020 .090 .170 .080 .030 .010 .020 .050 .090 Sep .020 .130 .230 .080 .020 .010 .020 .050 .060 Oct .020 .170 .250 .100 .030 .020 .020 .040 .030 Nov .020 .090 .160 .100 .030 .010 .020 .030 .040 Dec .020 .070 .080 .050 .020 .010 .010 .010 .020 Annual .020 .100 .160 .070 .020 .010 .020 .030 .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 .030 .020 .480 .210 .020 .010 .010 Feb .040 .030 .410 .190 .030 .010 .010 Mar .070 .040 .310 .120 .020 .010 .010 Apr .120 .070 .220 .040 .010 .010 .010 May .150 .080 .180 .030 .010 * * Jun .210 .100 .150 .010 * * * Jul .230 .110 .120 .010 .010 * * Aug .160 .090 .160 .010 .010 * .010 Sep .120 .060 .160 .010 .010 * .010 Oct .060 .040 .160 .040 .010 .010 .010 Nov .040 .040 .270 .090 .020 .010 .010 Dec .030 .020 .420 .160 .020 .020 .010 Annual .110 .060 .250 .080 .010 .010 .010 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 270.0 Feb 270.0 Mar 270.0 Apr 270.0 May 270.0 Jun 225.0 Jul 225.0 Aug 67.5 Sep 67.5 Oct 67.5 Nov 270.0 Dec 270.0 Annual 270.0 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.9 Feb 6.2 Mar 5.9 Apr 5.9 May 6.2 Jun 6.9 Jul 6.3 Aug 5.4 Sep 5.7 Oct 5.7 Nov 5.6 Dec 5.4 Annual 5.9 Ann-NCDC 5.9 ------------------ Element 33: Global Solar Radiation (MJ/m2) MEANDLY (Statistic 06): Mean Daily Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.7 Feb 8.2 Mar 10.8 Apr 14.6 May 16.3 Jun 14.4 Jul 16.5 Aug 17.3 Sep 13.7 Oct 10.3 Nov 8.0 Dec 6.8 Annual 11.9 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.2 Feb 2.6 Mar 2.1 Apr 1.2 May 1.2 Jun 1.1 Jul 2.5 Aug 3.4 Sep 3.4 Oct 1.8 Nov 2.5 Dec 3.2 Annual 28.2 Ann-NCDC 28.2 ------------------ Element 56: Number Days with Snowfall (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.3 Feb 1.7 Mar .2 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .3 Annual 3.4 Ann-NCDC 3.5 ------------------ Element 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.5 Feb 3.8 Mar 4.9 Apr 5.3 May 5.9 Jun 7.4 Jul 4.6 Aug 1.5 Sep 2.7 Oct 5.6 Nov 4.3 Dec 2.8 Annual 52.2 Ann-NCDC 52.3 ------------------ 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 .0 .0 Feb .0 .0 Mar .0 .0 Apr .1 .0 May .9 .0 Jun 11.0 .0 Jul 28.1 3.0 Aug 30.8 9.1 Sep 26.3 2.2 Oct 7.7 .0 Nov .1 .0 Dec .0 .0 Annual 105.0 14.3 Ann-NCDC 105.0 14.3 -------------------------- 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 .0 Jun .0 Jul 5.4 Aug 10.8 Sep 3.3 Oct * Nov .0 Dec .0 Annual 19.5 Ann-NCDC 19.5 ------------------ 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 .0 Apr .0 May .0 Jun 1.3 Jul 18.0 Aug 28.4 Sep 15.2 Oct 1.0 Nov .0 Dec .0 Annual 63.9 Ann-NCDC 63.9 ------------------ 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 .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 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 13.5 5.4 1.6 .6 .2 .1 Feb 15.6 13.7 5.4 1.7 .4 .2 .1 Mar 17.9 15.7 7.6 2.6 1.0 .4 .2 Apr 14.5 13.4 6.7 2.6 1.0 .3 * May 14.1 13.0 6.9 2.7 1.4 .5 .1 Jun 16.3 14.7 8.4 4.1 2.0 1.1 .3 Jul 13.1 11.2 4.7 1.8 .8 .4 .1 Aug 14.0 11.8 4.8 2.1 1.0 .6 .2 Sep 15.3 14.2 7.1 3.4 1.5 1.0 .6 Oct 17.2 15.7 9.2 4.4 2.8 1.9 .9 Nov 15.8 14.4 6.5 2.9 1.1 .6 .2 Dec 14.3 12.6 4.6 1.6 .7 .2 .1 Annual 183.4 163.8 77.4 31.5 14.3 7.4 2.9 Ann-NCDC 183.4 163.9 77.3 31.5 14.3 7.4 2.9 ------------------------------------------------------------------ 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 .0 Mar * Apr .9 May 1.6 Jun 1.9 Jul 1.5 Aug .1 Sep .0 Oct .0 Nov .0 Dec .0 Annual 6.0 Ann-NCDC 6.0 ------------------ 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 19.5 3.4 .2 .0 Feb 16.6 4.0 .1 .0 Mar 16.7 4.1 .5 .0 Apr 13.1 2.7 .2 .0 May 10.8 2.4 .2 .0 Jun 10.6 1.6 .0 .0 Jul 5.3 .6 .1 .0 Aug 5.3 .7 .3 .0 Sep 8.7 1.3 .3 .0 Oct 12.8 2.7 .6 .1 Nov 13.6 1.9 .1 .0 Dec 16.1 2.8 .2 .0 Annual 148.9 28.1 2.8 .1 Ann-NCDC 149.1 28.2 2.8 0.1 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 24.3 Feb 22.1 Mar 24.1 Apr 20.0 May 19.6 Jun 22.4 Jul 21.2 Aug 21.2 Sep 23.4 Oct 23.6 Nov 21.4 Dec 21.6 Annual 264.8 Ann-NCDC 264.9 ------------------ 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 .5 .0 .0 .0 .0 .0 Feb .6 .0 .0 .0 .0 .0 Mar .1 .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 .2 .0 .0 .0 .0 .0 Annual 1.3 .0 .0 .0 .0 .0 Ann-NCDC 1.4 0.0 0.0 0.0 0.0 0.0 ----------------------------------------------------------